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LIFE-STYLE RELATED DISEASES
IMPACT ON THE KIDNEYS
Dr Sanjay Maitra
MD,DM(PGI,CHD)
Clinical Fellowship,Univ.of Toronto(CANADA)
Senior Consultant Nephrologist
Apollo Health City, Hyderabad
Why Bother About
Them?
NCD –A Misnomer!!!
These are all Lifestyle
Related Diseases
Life style Related Diseases
are just a subset of NCD’s
OUT LINE OF TALK
 The Epidemiology and impact of NCD
 Globally
 India
 Four major causes:
 Hypertension, Diabetes, Obesity & Smoking
 NCD’s are the leading cause of Kidney
disease too
 The road ahead “25 by 25”
Global Deaths According to Cause and Sex, 2008.
Hunter DJ, Reddy KS. N Engl J Med 2013;369:1336-1343
Proportion of Deaths from Noncommunicable Diseases among Persons Younger than 60
Years of Age, According to Income Group of Countries.
Hunter DJ, Reddy KS. N Engl J Med 2013;369:1336-1343
DISTRIBUTION OF AGE AT DEATH BY REGION, 2011
High-income countriesLow- and middle-income countries
MORTALITY RATES BY WORLD BANK INCOME GROUP* AND CAUSE-OF-DEATH GROUP,
2000 AND 2011
Group I: Communicable, maternal,
perinatal and nutritional conditions
Group II: Noncommunicable diseases
Group III: Injuries
* Countries are classified according to the World Bank income group for the year 2011 (World Bank list of economies, July 2012).
Equatorial Guinea is classified as high income; it is kept here with upper middle income to avoid a regional grouping containing only
one country and because its mortality profile is not dissimilar to neighbouring countries.
Low income
Lower-middle
income
Upper-middle
income High income
World
Africa Western PacificEastern
Mediterranean
EuropeSouth-East
Asia
Americas
Low- and middle-income countries
High-
income
countries
MORTALITY RATES AMONG MEN AND WOMEN AGED 15–69 YEARS,
BY REGION AND CAUSE-OF-DEATH GROUP, 2011
Group I: Communicable, maternal,
perinatal and nutritional conditions
Group II: Noncommunicable diseases
Group III: Injuries
THE 10 LEADING CAUSES OF DEATH, WORLD, 2000 AND 2011
No Causes of death, 2000 Deaths
(million)
% of
deaths
No Causes of death, 2011 Deaths
(million)
% of
deaths
1 Ischaemic heart disease 5.9 11.2 1 Ischaemic heart disease 7.0 12.9
2 Stroke 5.6 10.6 2 Stroke 6.2 11.4
3 Lower respiratory
infections
3.5 6.7 3 Lower respiratory
infections
3.2 5.9
4 Chronic obstructive
pulmonary disease
3.0 5.8 4 Chronic obstructive
pulmonary disease
3.0 5.4
5 Diarrhoeal diseases 2.5 4.7 5 Diarrhoeal diseases 1.9 3.5
6 HIV/AIDS 1.6 3.0 6 HIV/AIDS 1.6 2.9
7 Preterm birth
complications
1.4 2.7 7 Trachea, bronchus, lung
cancers
1.5 2.7
8 Tuberculosis 1.3 2.6 8 Diabetes mellitus 1.4 2.6
9 Trachea, bronchus, lung
cancers
1.2 2.2 9 Road injury 1.3 2.3
10 Diabetes mellitus 1.0 1.9 10 Preterm birth
complications
1.2 2.2
11 Road injury 1.0 1.9
13 Tuberculosis 1.0 1.8
10 LEADING CAUSES OF DEATH BY SEX, WORLD, 2011
Males Females
Per cent of total deaths in sex group
IMPACT OF RISING NCD DEATHS
UNITED NATIONS HIGH LEVEL MEETING ON NCD
 Till date the UN has held 2 meetings of
heads of states
 In 2001 on HIV and AIDS
 In September 2011 on NCD’s
 Coined the Slogan “25 by 25”
 25% reduction by 2025 in NCD
 Among persons between 30-70 yrs
 Compared to the mortality figures of 2010
GLOBAL BURDEN OF DISEASE STUDY -2010
Between 1990 and 2010
 Mortality due to NCD ↑ from 57% to 65%
 90% of the 9 million NCD deaths are in persons < 60
yrs
 Disability adjusted Life Years(DALY) in 2010 -54%
 DALY= Sum of years of life lost from premature death or years
lived with disability
 Between 1990 and 2010 DALY’s due to CVS,
Cancer and DM ↑
 22.6%, 27.3 % and 69%
 WHO projections- By 2030 NCD will cause 70%
deaths
WORLD ECONOMIC FORUM Estimates a total loss of $47
trillion by NCD between 2010 and 2030
By 4 Major diseases
The Indian scenario
NCD – The BALANCE SHEET
Developmental causes Tobacco use
Alcohol consumption,
Poor Diet
 Lack of Physical Activity
Measurable Phenotypes High BP
High Blood Sugars
Hypercholesterolemia
Obesity
Changes of Incidence vary
between and within regions
Level of Economic Development
Pace of Demographic Transition
Prevalence of Risk factors
Ethnic Variations-↑ CAD risk in Asians , Stroke In
East Asians
Some diseases have their
roots in Infectious diseases,
Malnutrition and poverty
 Rheumatic Heart Disease causing cardiac
problems
 Barker Hypothesis
i. Cardiac disease and high cholesterol -Due to
liver cause
ii. High BP Low Nephron Hypothesis
iii. Insulin resistance, obesity and diabetes more
Global Deaths and Global Disability-Adjusted Life-Years (DALYs) Due to Noncommunicable
Diseases in 1990 and 2010.
Hunter DJ, Reddy KS. N Engl J Med
2013;369:1336-1343
NCD –The Trends
Deaths and Burden of Disease Attributable to Selected Behavioral and Dietary Risk Factors in
2010 and the Metabolic and Physiological Mediators of Their Hazardous Effects.
Ezzati M, Riboli E. N Engl J Med 2013;369:954-964
Trends in the Number of Obese Persons, According to Region.
Ezzati M, Riboli E. N Engl J Med 2013;369:954-964
Trends in Lung-Cancer Mortality and Prevalence of Daily Tobacco Smoking in 2008.
Ezzati M, Riboli E. N Engl J Med
2013;369:954-964
WHAT IS CKD?
WHAT IS CKD- CURRENT UNDERSTANDING
Heterogeneous group of disorders
characterized by alterations in kidney
structure and function, which manifest in
various ways depending upon the underlying
cause or causes and the severity of disease
CKD- a continuum
Stages of CKD –KDIGO 2012
Incidence and Prevalence OF CKD worldwide
Incidence of CKD in India – 800 per million
population
Incidence of ESRD in India- 150-200 per million
population
Cross sectional study involving 52,273 patients
Mean age 50.1±14.6 yrs
M:F ratio 70:30
Diabetic nephropathy –commonest cause of CKD (31%)
CKD of unknown aetiology (16%)
CGN (14%)
Hypertensive nephrosclerosis (13%)
Diabetics likely to be detected early
Patients of unknown etiology are likely to be younger ,females and to have CKD-5
INDIAN CKD REGISTRY DATA-2012
SIGNIFICANCE OF CKD & ESRD
 Increases the chance of mortality in any
patient
Directly and by increasing CVD deaths
NCD cause ↑mortality in patients
worldwide(66%)
 Estimates from India put it at 48%
 Increases morbidity and a poorer quality
of life
 Increases cost of treatment
Monthly Cost Of haemodialysis at 3
HD/wk
Rs 12,000- Rs 25,000
Monthly cost Of Erythropoeitin per
month
Rs 7,000-Rs 10,000
Monthly cost of CAPD 3 exchanges per
day
Rs. 20,000-Rs 25,000
Cost of transplant procedure Rs 3,00,000- Rs, 6,00,000
Cost of immunosuppressive medicines
(Using Tacrolimus,MMF and steroids)
Rs 10,000-Rs 12,000 per
month
Approx.cost of Renal replacement therapy in
India
PODOCYTE INJURY AND PROGRESSION OF CKD
Kidney & Nephron Schematic diagram of
Glomerular filtration
Glomerular cross section
Cross section of
single
Glomerular Filtration Barrier
Including Podocytes
Kidney Structure –All in a nutshell
The role of podocyte dysfunction in proteinuria
Brinkkoetter, P. T. et al. (2013) The role of the podocyte in albumin filtration
Nat. Rev. Nephrol. doi:10.1038/nrneph.2013.78
The glomerular filtration barrier of
the kidney retains most of the
circulating protein
Podocytes contribute to the
formation of this barrier
Damage to podocytes can result in
effacement of foot processes and
the detachment or apoptosis of
podocytes.
The resulting loss of integrity of the
podocyte seal on the glomerular
basement membrane , results in
proteinuria.
Many factors can cause podocyte injury.
As a result of this initiating injury there is a critical level of podocyte
depletion,
The glomerulus becomes destabilized
Further podocyte loss occurs independent of the initiating event
Driven by the renin–angiotensin system
This progression-accelerating mechanism can be retarded or prevented
by angiotensin II (AngII) blockade (glomerular restabilization)
These events can be monitored noninvasively by measuring the
podocyte mRNA products in urine.
ROLE OF RAAS BLOCKADE IN PREVENTING PODOCYTE INJURY
FACTORS CAUSING PROGRESSION OF CKD
WHAT WE UNDERSTAND
 Worsening proteinuria is an important marker
of progression
 Blocking of the Renin –Angiotensin-
Aldosterone System is helpful in reducing
proteinuria and thus preventing progression
of CKD
Overall scheme of factors and pathways contributing to the
progression of renal disease.
DIABETES –THE GORY DETAILS
India has around 61 Million diabetics
Nearly 35-40% 0f Diabetics will develop diabetic kidney
disease
HOW TO DETECT DIABETIC KIDNEY
DISEASE & CKD?
Disruption of the glomerular filtration barrier in type 2 diabetes
includes
Thickening of the GBM
Podocyte foot process widening, and podocyte detachment.
The overall proportion of fenestrated endothelium is reduced,
Disruption of the endothelial glycocalyx is strongly implicated.
VEGF -Possibility is that an initial increase is followed by a decrease
as the disease progresses
1.The diabetic milieu has effects on all cell types within the kidney
2.These contribute either primarily or secondarily to the development of
albuminuria/proteinuria and reduced GFR.
3.At the glomerulus, both hemodynamic effects and injury to the individual
components of the glomerular filtration barrier (podocyte, GBM, and glomerular
endothelial cell) leading to proteinuria (green arrows).
4.Tubulointerstitial injury may diminish tubular protein reuptake.
5.Mesangial cell injury likely contributes secondarily to proteinuria by (i)
mesangial expansion causing a loss of glomerular filtration surface area
leading to glomerular hyperfiltration (dashed green arrows) or (ii) by
mesangiolysis leading to structural changes in the capillary loops.
6.Proteinuria itself may result in a decrease in GFR by causing tubulointerstitial
injury.
Proposed schema unifying the mechanisms of proteinuria and
decrease in GFR in DKD.
HYPERTENSION AND ITS RELATIONSHIP TO CKD
EPIDEMIOLOGY OF HYPERTENSION
 In 2012 of the 57 million deaths globally
 36 mill.(63%) were due to NCD
 Largest proportion of NCD deaths (48%) by CVD
 Raised BP estimated to be responsible for 13%
of deaths globally
 Hypertension as a contributor to premature
death
 Ranks 4th in developed countries
 Ranks 7th in developing countries.
EPIDEMIOLOGY OF HYPERTENSION
 Nearly 1 billion adults (more than a quarter of
the world’s population) had hypertension in
2000
 predicted to increase to 1.56 billion by 2025.
 Mean BP has ↓ in nearly all high-income
countries
 It is stable or increasing in most African countries.
 Today, mean BP remains very high in many
African and some European countries.
 The prevalence of raised blood pressure in 2008
was highest in the WHO African Region at 36.8%
(34.0–39.7).
EPIDEMIOLOGY OF HYPERTENSION
 The Global Burden of Diseases Study 2010
 Mean systolic BP declined in high and middle-
income countries but increased in low-income
countries and is now more than in high-income
countries.
 The India specific data are similar to the overall
trends in low-income countries.
EPIDEMIOLOGY OF HYPERTENSION-INDIA
 The prevalence of hypertension in the late
nineties and second half of the twentieth
century varied among different studies in
India, ranging from 2-15% in Urban India and
2-8% in Rural India.
 Prevalence of hypertension has increased in
both urban and rural subjects and presently
is 25% in urban adults and 10-15% among
rural adults
CVD DEATHS IN INDIA
 In a meta-analysis of multiple cardiovascular epidemiological
studies, it was reported that
 Prevalence rates of coronary artery disease and stroke have more
than trebled in the Indian population.
 In the INTERHEART and INTERSTROKE study, hypertension
accounted for 17.9% and 34.6% of population attributable risk of
various cardiovascular risk factors for coronary artery disease and
stroke respectively.
 As per the Registrar General of India and Million Death Study
investigators (2001-2003),
 CVD was the largest cause of deaths in males (20.3%) as well as
females (16.9%) and led to about 2 million deaths annually.
 The Global Status on Non-Communicable Diseases Report
(2011) has reported that
 There were more than 2.5 million deaths from CVD in India in 2008,
two-thirds due to coronary artery disease and one-third to stroke.
CVD DEATHS IN INDIA
 There are large regional differences in cardiovascular
mortality in India
 . The mortality is highest in south Indian states, eastern and north
eastern states and Punjab in both men and women,
 Mortality is the lowest in the central Indian states of Rajasthan, Uttar
Pradesh and Bihar.
 The prevalence of high normal blood pressure (also called
pre hypertension in JNC-VII)
 Was found to 32% in a recent urban study from Central India.
 Some studies from South India (Chennai) and from Delhi prevalence
of high normal blood pressure has been upto 36% and 44%
respectively
 The prevalence of hypertension increases with age in all
populations.
 In a recent urban study it increased from 13.7% in the 3rd decade to
64% in the 6th decade.
 In last 2 decades the prevalence of hypertension has been
seen to be static in some urban areas.
 The prevalence of smoking has declined while that of diabetes,
HYPERTENSION COMPLICATIONS Hypertensive Heart Disease
 Hypertension has the following effects on the heart
 Left ventricular hypertrophy, increased risk of coronary artery disease,
arrhythmias, congestive cardiac failure and sudden death.
 Most episodes of left ventricular failure in hypertensive patients are
associated with diastolic heart dysfunction.
 Treatment of hypertension can reverse ventricular hypertrophy.
 The impact of reduction of LVH on reduction of morbidity and mortality is still
debated.
 Cerebrovascular Disease
 Hypertension is the most important modifiable risk factor for
 All types of atherothrombotic stroke and intracerebral haemorrhage due to
rupture of Charcot-Bouchard aneurysms.
 The relation between the incidence of stroke and blood pressure is
continuous.
 A 5-6 mm Hg reduction in diastolic blood pressure reduces the risk
of stroke by 40%
 The SHEP (Systolic Hypertension Elderly Program) study showed
substantial benefit following control of systolic blood pressure in the
elderly
HYPERTENSION COMPLICATIONS
 Kidney Disease
 About 20-25% of renal failure is attributed to uncontrolled
hypertension.
 Development of renal damage is heralded by
microalbuminuria, which progresses to overt proteinuria and
may further progress to end-stage renal disease.
 Reduction of proteinuria can be achieved by effective blood
pressure control specially with use of ACE inhibitors and
ARBs.
 Retina
 Hypertensive retinopathy is a condition characterized by a
spectrum of retinal vascular signs in people with elevated
blood pressure.
 Peripheral Vascular Disease
 Hypertensive Emergencies
PREVALENCE OF CVS RISK FACTORS COMPARED IN THE JAIPUR HEART W
HYPERTENSION IN CKD
Hypertension – Both risk factor and progression factor for
CKD
Prevalence of Hypertension in CKD
USRDS data -2006
Control of Blood Pressure is Pathetic –Target BP 130/80
Source -CRIC Study
Cardiovascular disease increases with increasing
albuminuria and decreasing GFR
BLOOD PRESSURE TARGETS IN CKD
 Exact relationship between BP and
outcomes are variable
 Home and Ambulatory BP measurements
are better than office BP for assessing
progress of proteinuria
 A J-shaped relationship between
cardiovascular mortality and BP was shown
 According to KDIGO -2012 guidelines
 In CKD + alb. Excretion < 30mg/24 hours –BP
<140/90
 In CKD + Alb. Excretion > 30mg/24 hours – BP
<130/80
CONSEQUENCES OF POORLY CONTROLLED
HYPERTENSION IN CKD
 Deterioration of renal function
 Development of Left Ventricular
Hypertrophy
 Early mortality mainly due to vascular
complications
 Considered to be the second leading
cause of CKD after diabetes in the US
(USRDS data)
HYPERTENSION AS PROGRESSION OF CKD
NATURE REVIEWS NEPHROLOGY 7, 434-444 (AUGUST 2011) |
 Key points
 Hypertension and proteinuria are the most important
independent risk factors for disease progression in both
adult and pediatric patients with chronic kidney disease
(CKD)
 Pharmacological intervention can slow the rate of
renal-disease progression
 Blockade of the renin–angiotensin system should be
the first-line pharmacological intervention in
progressive CKD
 Tight blood-pressure control exerts a beneficial effect
on CKD progression in patients with proteinuria
Many factors can cause podocyte injury.
As a result of this initiating injury there is a critical level of podocyte
depletion,
The glomerulus becomes destabilized
Further podocyte loss occurs independent of the initiating event
Driven by the renin–angiotensin system
This progression-accelerating mechanism can be retarded or prevented
by angiotensin II (AngII) blockade (glomerular restabilization)
These events can be monitored noninvasively by measuring the
podocyte mRNA products in urine.
ROLE OF RAAS BLOCKADE IN PREVENTING PODOCYTE INJURY
PATHOPHYSIOLOGY OF HYPERTENSION IN CKD
 Expanded ECF volume from sodium retention
 Activation of the sympathetic nervous System
 Activation of the Renin Angiotensin Aldosterone
System
 Endothelin cell dysfunction
 Increased endothelin -1 release
 Accumulation of asymmetric dimethylarginine
 Decreased production of Nitric Oxide
 Oxidative stress
 Increased Vasopressin Release
 Hypertensinogenic drugs (Erythropoetin)
Prime factors for generation of Blood Pressure
In CKD it is hypothesized that increases in Cardiac Output initiates the
increases in BP , but increased Peripheral Vasc. resistance sustains it.
Genesis of Blood pressure in CKD
Increased Renal
perfusion pressure leads
to increased sodium
excretion and vice versa
In CKD this mechanism
is impaired ,thus for
similar amount of salt
intake there is much
larger rise of BP , even in
patients on ACE
inhibitors or ARB’s
Figure 1 The relationship between pretreatment systolic blood pressure level
and the subsequent occurrence of ESRD
Udani, S. et al. (2010) Epidemiology of hypertensive kidney disease
Nat. Rev. Nephrol. doi:10.1038/nrneph.2010.154
Permission obtained from Wolters Kluwer Health © Perry, H. M. et al. 25, 587–594 (1995)
Figure 2 Mechanisms that contribute to salt sensitivity and hypertensive
kidney injury
Udani, S. et al. (2010) Epidemiology of hypertensive kidney disease
Nat. Rev. Nephrol. doi:10.1038/nrneph.2010.154
HYPERTENSION THE WAY TO GO
 Hypertension awareness, treatment and control
status is low,
 Only half of the urban and a quarter of the rural hypertensive
individuals being aware of its presence.
 Only one in five persons is on treatment and less than 5% are
controlled.
 Rural location is an important determinant of poor hypertension
awareness, treatment and control.
 It has been said that in India the rule- of-halves is not valid and only
a quarter to a third of subjects are aware of hypertension.
 Preventive measures are required
 To reduce obesity,
 Increasing physical activity,
 Decreasing the salt intake of the population
 Concerted effort to promote awareness about hypertension and
related risk behaviors
 ACE INHIBITORS/ARB’s.
Figure 2 Effect of strict blood-pressure control on renal survival
Wühl, E. & Schaefer, F. (2011) Managing kidney disease with blood-pressure control
Nat. Rev. Nephrol. doi:10.1038/nrneph.2011.73
Permission obtained from Massachusetts Medical Society ©
The ESCAPE trial group N. Engl. J. Med. 361, 1639–1650 (2009)
OBESITY-IT’S CONTRIBUTION TO CKD
Metabolic syndrome
OBESITY STATISTICS-AN OVERVIEW
 In 2008 worldwide
 1.5 billion adults were overweight (BMI >25 kg/m2).
 Over 200 million men and nearly 300 million women were obese
(BMI >30 kg/m2).
 Globally obesity rates have more than doubled since 1980
 5% to 10% in men and 8% to 14% in women.
 At least 2.8 million people die each year globally, as a result of
being overweight or obese.
 Worldwide 40 million children under the age of five were
overweight in 2010,.
 In the South-East Asia Region, 300 000 die of
overweight/obesity.
 Prevalence of overweight in countries across the Region
ranges from
 7.6% in male adults in Bangladesh to 53% female adults in
Maldives.
 Overweight and obesity are linked to more deaths worldwide
than underweight
INDIA- A LAND OF CONTRASTS
When obese, your leptin LEVELS spike
radically because you have higher leptin
AMOUNTS in your body (causing leptin
resistance in the brain)
Various systemic problems associated with obesity
OBESITY AND RENAL RISK
Studies of obesity and renal risk-Meta-analysis
 Studies reported on 19 cohorts—12 from the US, 4 from Europe, 2
from Japan and 1 from Korea.
 The median follow-up duration was 15 years (range 3–35 years).
 Estimated pooled relative risks (RRs) revealed that, compared with
normal-weight individuals (BMI 18.5–24.9 kg/m2),
 Overweight individuals (BMI 25–29.9 kg/m2) had a considerably
increased risk of kidney disease (RR 1.40, 95% CI 1.30–1.50).
 RR of kidney disease in obese individuals (BMI 30 kg/m2) was even
greater (RR 1.83, 95% CI 1.57–2.13).
 Each 1 kg/m2 increment in BMI increased the risk of kidney disease
by 6% (pooled RR 1.06, 95% CI 1.05–1.07).
 Stratification of the data by gender revealed a stronger association
between obesity and kidney disease in women than in men
 Population-attributable risk calculations for the US indicated that
approximately 24.2% of kidney disease cases in men and 33.9% of
cases in women could be attributable to obesity and being
overweight.
Bogaert YE and Linas S (2008) The role of obesity in the pathogenesis of
hypertension
Nat Clin Pract Nephrol doi:10.1038/ncpneph1022
Figure 1 Factors associated with the induction of obesity-related hypertension
SMOKING AND CKD RISK
Smoking In India
SMOKING AND CKD
 In recent years, the tobacco industry has been focusing on
expanding its markets in developing countries.
 WHO predicts that by 2020,
 70% of deaths resulting from smoking related illnesses will occur
in developing countries
 India is one of the countries that is party to the WHO’s
Framework Convention on Tobacco Control.
 Banned advertisement of tobacco and smoking in public places
 Smoking dramatically affects the morbidity and mortality
associated with cancer, cardio vascular disease and
pulmonary disease.
 Less is known about the deleterious effects of smoking on
the kidney
 Smoking is one of the preventable causes of progression of renal
failure
The Road Ahead
NCD- SUSTAINED INTERVENTION WORKS
Declines in Rates of Death from Major Noncommunicable Diseases in the
United States, 1950 to 2010.
Hunter DJ, Reddy KS. N Engl J Med 2013;369:1336-1343
Opportunities for Prevention, Detection, and Treatment of Noncommunicable Diseases
in Low- and Middle-Income Countries.
Hunter DJ, Reddy KS. N Engl J Med 2013;369:1336-1343
Increase awareness
Change of Attitude
Obesity –The solutions
√
Solutions for the obesity problem
Figure 2 Proposed algorithm for the management of patients with
obesity-related cardiorenal syndrome
Fenske, W. et al. (2013) Obesity-related cardiorenal disease: the benefits of bariatric surgery
Nat. Rev. Nephrol. doi:10.1038/nrneph.2013.145
Table 3 Meta-analyses on the effect of RAS blockade on progression of renal
disease
Wühl, E. & Schaefer, F. (2011) Managing kidney disease with blood-pressure control
Nat. Rev. Nephrol. doi:10.1038/nrneph.2011.73
NCD MANAGEMENT INITIATIVES IN INDIA
Patient care pathway for Continuum of care – PHFI, Mamta & Medtronic Initiati
CONCLUSIONS
 NCD or Lifestyle related diseases are
responsible the majority of deaths ,even in
developing countries
 The same diseases cause Chronic Kidney
diseases(in adults) too
 There role in causing cardiovascular diseases
and COPD/Cancers are better known
 Hypertension, Diabetes, Obesity and
smoking are responsible for majority of CKD
in adults
CONCLUSIONS
Responding to the challenge: a whole-of-
government and a whole-of-society effort
 Recognize that the rising prevalence, morbidity and
mortality of non-communicable diseases worldwide can
be largely prevented and controlled through collective
and multisectoral action
 Acknowledge the contribution of and important
role played by all relevant stakeholders
 Individuals, families and communities
 intergovernmental organizations and religious
institutions,
 civil society, academia, the media, voluntary
associations
 the private sector and industry,
 insupport of national efforts for non-communicable
CONCLUSIONS
 Recognize the importance of strengthening
local, provincial, national and regional
capacities
 To address and effectively combat non-communicable
diseases particularly in developing countries,
 This may entail increased and sustained human,
financial and technical resources
 Reduce risk factors and create health-
promoting environments
 Strengthen national policies and health
systems
 International cooperation, including
Our Aim “25 by 25”

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Lifestyle Related Kidney Diseases

  • 1. LIFE-STYLE RELATED DISEASES IMPACT ON THE KIDNEYS Dr Sanjay Maitra MD,DM(PGI,CHD) Clinical Fellowship,Univ.of Toronto(CANADA) Senior Consultant Nephrologist Apollo Health City, Hyderabad
  • 2. Why Bother About Them? NCD –A Misnomer!!!
  • 3. These are all Lifestyle Related Diseases Life style Related Diseases are just a subset of NCD’s
  • 4.
  • 5.
  • 6. OUT LINE OF TALK  The Epidemiology and impact of NCD  Globally  India  Four major causes:  Hypertension, Diabetes, Obesity & Smoking  NCD’s are the leading cause of Kidney disease too  The road ahead “25 by 25”
  • 7. Global Deaths According to Cause and Sex, 2008. Hunter DJ, Reddy KS. N Engl J Med 2013;369:1336-1343
  • 8. Proportion of Deaths from Noncommunicable Diseases among Persons Younger than 60 Years of Age, According to Income Group of Countries. Hunter DJ, Reddy KS. N Engl J Med 2013;369:1336-1343
  • 9. DISTRIBUTION OF AGE AT DEATH BY REGION, 2011 High-income countriesLow- and middle-income countries
  • 10. MORTALITY RATES BY WORLD BANK INCOME GROUP* AND CAUSE-OF-DEATH GROUP, 2000 AND 2011 Group I: Communicable, maternal, perinatal and nutritional conditions Group II: Noncommunicable diseases Group III: Injuries * Countries are classified according to the World Bank income group for the year 2011 (World Bank list of economies, July 2012). Equatorial Guinea is classified as high income; it is kept here with upper middle income to avoid a regional grouping containing only one country and because its mortality profile is not dissimilar to neighbouring countries. Low income Lower-middle income Upper-middle income High income World
  • 11. Africa Western PacificEastern Mediterranean EuropeSouth-East Asia Americas Low- and middle-income countries High- income countries MORTALITY RATES AMONG MEN AND WOMEN AGED 15–69 YEARS, BY REGION AND CAUSE-OF-DEATH GROUP, 2011 Group I: Communicable, maternal, perinatal and nutritional conditions Group II: Noncommunicable diseases Group III: Injuries
  • 12. THE 10 LEADING CAUSES OF DEATH, WORLD, 2000 AND 2011 No Causes of death, 2000 Deaths (million) % of deaths No Causes of death, 2011 Deaths (million) % of deaths 1 Ischaemic heart disease 5.9 11.2 1 Ischaemic heart disease 7.0 12.9 2 Stroke 5.6 10.6 2 Stroke 6.2 11.4 3 Lower respiratory infections 3.5 6.7 3 Lower respiratory infections 3.2 5.9 4 Chronic obstructive pulmonary disease 3.0 5.8 4 Chronic obstructive pulmonary disease 3.0 5.4 5 Diarrhoeal diseases 2.5 4.7 5 Diarrhoeal diseases 1.9 3.5 6 HIV/AIDS 1.6 3.0 6 HIV/AIDS 1.6 2.9 7 Preterm birth complications 1.4 2.7 7 Trachea, bronchus, lung cancers 1.5 2.7 8 Tuberculosis 1.3 2.6 8 Diabetes mellitus 1.4 2.6 9 Trachea, bronchus, lung cancers 1.2 2.2 9 Road injury 1.3 2.3 10 Diabetes mellitus 1.0 1.9 10 Preterm birth complications 1.2 2.2 11 Road injury 1.0 1.9 13 Tuberculosis 1.0 1.8
  • 13. 10 LEADING CAUSES OF DEATH BY SEX, WORLD, 2011 Males Females Per cent of total deaths in sex group
  • 14. IMPACT OF RISING NCD DEATHS UNITED NATIONS HIGH LEVEL MEETING ON NCD  Till date the UN has held 2 meetings of heads of states  In 2001 on HIV and AIDS  In September 2011 on NCD’s  Coined the Slogan “25 by 25”  25% reduction by 2025 in NCD  Among persons between 30-70 yrs  Compared to the mortality figures of 2010
  • 15. GLOBAL BURDEN OF DISEASE STUDY -2010 Between 1990 and 2010  Mortality due to NCD ↑ from 57% to 65%  90% of the 9 million NCD deaths are in persons < 60 yrs  Disability adjusted Life Years(DALY) in 2010 -54%  DALY= Sum of years of life lost from premature death or years lived with disability  Between 1990 and 2010 DALY’s due to CVS, Cancer and DM ↑  22.6%, 27.3 % and 69%  WHO projections- By 2030 NCD will cause 70% deaths
  • 16. WORLD ECONOMIC FORUM Estimates a total loss of $47 trillion by NCD between 2010 and 2030 By 4 Major diseases
  • 17.
  • 19. NCD – The BALANCE SHEET Developmental causes Tobacco use Alcohol consumption, Poor Diet  Lack of Physical Activity Measurable Phenotypes High BP High Blood Sugars Hypercholesterolemia Obesity Changes of Incidence vary between and within regions Level of Economic Development Pace of Demographic Transition Prevalence of Risk factors Ethnic Variations-↑ CAD risk in Asians , Stroke In East Asians Some diseases have their roots in Infectious diseases, Malnutrition and poverty  Rheumatic Heart Disease causing cardiac problems  Barker Hypothesis i. Cardiac disease and high cholesterol -Due to liver cause ii. High BP Low Nephron Hypothesis iii. Insulin resistance, obesity and diabetes more
  • 20. Global Deaths and Global Disability-Adjusted Life-Years (DALYs) Due to Noncommunicable Diseases in 1990 and 2010. Hunter DJ, Reddy KS. N Engl J Med 2013;369:1336-1343 NCD –The Trends
  • 21. Deaths and Burden of Disease Attributable to Selected Behavioral and Dietary Risk Factors in 2010 and the Metabolic and Physiological Mediators of Their Hazardous Effects. Ezzati M, Riboli E. N Engl J Med 2013;369:954-964
  • 22. Trends in the Number of Obese Persons, According to Region. Ezzati M, Riboli E. N Engl J Med 2013;369:954-964
  • 23. Trends in Lung-Cancer Mortality and Prevalence of Daily Tobacco Smoking in 2008. Ezzati M, Riboli E. N Engl J Med 2013;369:954-964
  • 25. WHAT IS CKD- CURRENT UNDERSTANDING Heterogeneous group of disorders characterized by alterations in kidney structure and function, which manifest in various ways depending upon the underlying cause or causes and the severity of disease
  • 26. CKD- a continuum Stages of CKD –KDIGO 2012
  • 27. Incidence and Prevalence OF CKD worldwide
  • 28. Incidence of CKD in India – 800 per million population Incidence of ESRD in India- 150-200 per million population
  • 29. Cross sectional study involving 52,273 patients Mean age 50.1±14.6 yrs M:F ratio 70:30 Diabetic nephropathy –commonest cause of CKD (31%) CKD of unknown aetiology (16%) CGN (14%) Hypertensive nephrosclerosis (13%)
  • 30. Diabetics likely to be detected early Patients of unknown etiology are likely to be younger ,females and to have CKD-5 INDIAN CKD REGISTRY DATA-2012
  • 31. SIGNIFICANCE OF CKD & ESRD  Increases the chance of mortality in any patient Directly and by increasing CVD deaths NCD cause ↑mortality in patients worldwide(66%)  Estimates from India put it at 48%  Increases morbidity and a poorer quality of life  Increases cost of treatment
  • 32. Monthly Cost Of haemodialysis at 3 HD/wk Rs 12,000- Rs 25,000 Monthly cost Of Erythropoeitin per month Rs 7,000-Rs 10,000 Monthly cost of CAPD 3 exchanges per day Rs. 20,000-Rs 25,000 Cost of transplant procedure Rs 3,00,000- Rs, 6,00,000 Cost of immunosuppressive medicines (Using Tacrolimus,MMF and steroids) Rs 10,000-Rs 12,000 per month Approx.cost of Renal replacement therapy in India
  • 33. PODOCYTE INJURY AND PROGRESSION OF CKD
  • 34. Kidney & Nephron Schematic diagram of Glomerular filtration Glomerular cross section Cross section of single Glomerular Filtration Barrier Including Podocytes Kidney Structure –All in a nutshell
  • 35. The role of podocyte dysfunction in proteinuria Brinkkoetter, P. T. et al. (2013) The role of the podocyte in albumin filtration Nat. Rev. Nephrol. doi:10.1038/nrneph.2013.78 The glomerular filtration barrier of the kidney retains most of the circulating protein Podocytes contribute to the formation of this barrier Damage to podocytes can result in effacement of foot processes and the detachment or apoptosis of podocytes. The resulting loss of integrity of the podocyte seal on the glomerular basement membrane , results in proteinuria.
  • 36. Many factors can cause podocyte injury. As a result of this initiating injury there is a critical level of podocyte depletion, The glomerulus becomes destabilized Further podocyte loss occurs independent of the initiating event Driven by the renin–angiotensin system This progression-accelerating mechanism can be retarded or prevented by angiotensin II (AngII) blockade (glomerular restabilization) These events can be monitored noninvasively by measuring the podocyte mRNA products in urine. ROLE OF RAAS BLOCKADE IN PREVENTING PODOCYTE INJURY
  • 37. FACTORS CAUSING PROGRESSION OF CKD WHAT WE UNDERSTAND  Worsening proteinuria is an important marker of progression  Blocking of the Renin –Angiotensin- Aldosterone System is helpful in reducing proteinuria and thus preventing progression of CKD
  • 38. Overall scheme of factors and pathways contributing to the progression of renal disease.
  • 40. India has around 61 Million diabetics
  • 41.
  • 42. Nearly 35-40% 0f Diabetics will develop diabetic kidney disease
  • 43.
  • 44.
  • 45.
  • 46.
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  • 53.
  • 54. HOW TO DETECT DIABETIC KIDNEY DISEASE & CKD?
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  • 65.
  • 66. Disruption of the glomerular filtration barrier in type 2 diabetes includes Thickening of the GBM Podocyte foot process widening, and podocyte detachment. The overall proportion of fenestrated endothelium is reduced, Disruption of the endothelial glycocalyx is strongly implicated. VEGF -Possibility is that an initial increase is followed by a decrease as the disease progresses
  • 67. 1.The diabetic milieu has effects on all cell types within the kidney 2.These contribute either primarily or secondarily to the development of albuminuria/proteinuria and reduced GFR. 3.At the glomerulus, both hemodynamic effects and injury to the individual components of the glomerular filtration barrier (podocyte, GBM, and glomerular endothelial cell) leading to proteinuria (green arrows). 4.Tubulointerstitial injury may diminish tubular protein reuptake. 5.Mesangial cell injury likely contributes secondarily to proteinuria by (i) mesangial expansion causing a loss of glomerular filtration surface area leading to glomerular hyperfiltration (dashed green arrows) or (ii) by mesangiolysis leading to structural changes in the capillary loops. 6.Proteinuria itself may result in a decrease in GFR by causing tubulointerstitial injury. Proposed schema unifying the mechanisms of proteinuria and decrease in GFR in DKD.
  • 68. HYPERTENSION AND ITS RELATIONSHIP TO CKD
  • 69. EPIDEMIOLOGY OF HYPERTENSION  In 2012 of the 57 million deaths globally  36 mill.(63%) were due to NCD  Largest proportion of NCD deaths (48%) by CVD  Raised BP estimated to be responsible for 13% of deaths globally  Hypertension as a contributor to premature death  Ranks 4th in developed countries  Ranks 7th in developing countries.
  • 70. EPIDEMIOLOGY OF HYPERTENSION  Nearly 1 billion adults (more than a quarter of the world’s population) had hypertension in 2000  predicted to increase to 1.56 billion by 2025.  Mean BP has ↓ in nearly all high-income countries  It is stable or increasing in most African countries.  Today, mean BP remains very high in many African and some European countries.  The prevalence of raised blood pressure in 2008 was highest in the WHO African Region at 36.8% (34.0–39.7).
  • 71. EPIDEMIOLOGY OF HYPERTENSION  The Global Burden of Diseases Study 2010  Mean systolic BP declined in high and middle- income countries but increased in low-income countries and is now more than in high-income countries.  The India specific data are similar to the overall trends in low-income countries.
  • 72. EPIDEMIOLOGY OF HYPERTENSION-INDIA  The prevalence of hypertension in the late nineties and second half of the twentieth century varied among different studies in India, ranging from 2-15% in Urban India and 2-8% in Rural India.  Prevalence of hypertension has increased in both urban and rural subjects and presently is 25% in urban adults and 10-15% among rural adults
  • 73.
  • 74. CVD DEATHS IN INDIA  In a meta-analysis of multiple cardiovascular epidemiological studies, it was reported that  Prevalence rates of coronary artery disease and stroke have more than trebled in the Indian population.  In the INTERHEART and INTERSTROKE study, hypertension accounted for 17.9% and 34.6% of population attributable risk of various cardiovascular risk factors for coronary artery disease and stroke respectively.  As per the Registrar General of India and Million Death Study investigators (2001-2003),  CVD was the largest cause of deaths in males (20.3%) as well as females (16.9%) and led to about 2 million deaths annually.  The Global Status on Non-Communicable Diseases Report (2011) has reported that  There were more than 2.5 million deaths from CVD in India in 2008, two-thirds due to coronary artery disease and one-third to stroke.
  • 75. CVD DEATHS IN INDIA  There are large regional differences in cardiovascular mortality in India  . The mortality is highest in south Indian states, eastern and north eastern states and Punjab in both men and women,  Mortality is the lowest in the central Indian states of Rajasthan, Uttar Pradesh and Bihar.  The prevalence of high normal blood pressure (also called pre hypertension in JNC-VII)  Was found to 32% in a recent urban study from Central India.  Some studies from South India (Chennai) and from Delhi prevalence of high normal blood pressure has been upto 36% and 44% respectively  The prevalence of hypertension increases with age in all populations.  In a recent urban study it increased from 13.7% in the 3rd decade to 64% in the 6th decade.  In last 2 decades the prevalence of hypertension has been seen to be static in some urban areas.  The prevalence of smoking has declined while that of diabetes,
  • 76. HYPERTENSION COMPLICATIONS Hypertensive Heart Disease  Hypertension has the following effects on the heart  Left ventricular hypertrophy, increased risk of coronary artery disease, arrhythmias, congestive cardiac failure and sudden death.  Most episodes of left ventricular failure in hypertensive patients are associated with diastolic heart dysfunction.  Treatment of hypertension can reverse ventricular hypertrophy.  The impact of reduction of LVH on reduction of morbidity and mortality is still debated.  Cerebrovascular Disease  Hypertension is the most important modifiable risk factor for  All types of atherothrombotic stroke and intracerebral haemorrhage due to rupture of Charcot-Bouchard aneurysms.  The relation between the incidence of stroke and blood pressure is continuous.  A 5-6 mm Hg reduction in diastolic blood pressure reduces the risk of stroke by 40%  The SHEP (Systolic Hypertension Elderly Program) study showed substantial benefit following control of systolic blood pressure in the elderly
  • 77. HYPERTENSION COMPLICATIONS  Kidney Disease  About 20-25% of renal failure is attributed to uncontrolled hypertension.  Development of renal damage is heralded by microalbuminuria, which progresses to overt proteinuria and may further progress to end-stage renal disease.  Reduction of proteinuria can be achieved by effective blood pressure control specially with use of ACE inhibitors and ARBs.  Retina  Hypertensive retinopathy is a condition characterized by a spectrum of retinal vascular signs in people with elevated blood pressure.  Peripheral Vascular Disease  Hypertensive Emergencies
  • 78. PREVALENCE OF CVS RISK FACTORS COMPARED IN THE JAIPUR HEART W
  • 80. Hypertension – Both risk factor and progression factor for CKD
  • 81. Prevalence of Hypertension in CKD USRDS data -2006
  • 82. Control of Blood Pressure is Pathetic –Target BP 130/80 Source -CRIC Study
  • 83. Cardiovascular disease increases with increasing albuminuria and decreasing GFR
  • 84. BLOOD PRESSURE TARGETS IN CKD  Exact relationship between BP and outcomes are variable  Home and Ambulatory BP measurements are better than office BP for assessing progress of proteinuria  A J-shaped relationship between cardiovascular mortality and BP was shown  According to KDIGO -2012 guidelines  In CKD + alb. Excretion < 30mg/24 hours –BP <140/90  In CKD + Alb. Excretion > 30mg/24 hours – BP <130/80
  • 85. CONSEQUENCES OF POORLY CONTROLLED HYPERTENSION IN CKD  Deterioration of renal function  Development of Left Ventricular Hypertrophy  Early mortality mainly due to vascular complications  Considered to be the second leading cause of CKD after diabetes in the US (USRDS data)
  • 86. HYPERTENSION AS PROGRESSION OF CKD NATURE REVIEWS NEPHROLOGY 7, 434-444 (AUGUST 2011) |  Key points  Hypertension and proteinuria are the most important independent risk factors for disease progression in both adult and pediatric patients with chronic kidney disease (CKD)  Pharmacological intervention can slow the rate of renal-disease progression  Blockade of the renin–angiotensin system should be the first-line pharmacological intervention in progressive CKD  Tight blood-pressure control exerts a beneficial effect on CKD progression in patients with proteinuria
  • 87. Many factors can cause podocyte injury. As a result of this initiating injury there is a critical level of podocyte depletion, The glomerulus becomes destabilized Further podocyte loss occurs independent of the initiating event Driven by the renin–angiotensin system This progression-accelerating mechanism can be retarded or prevented by angiotensin II (AngII) blockade (glomerular restabilization) These events can be monitored noninvasively by measuring the podocyte mRNA products in urine. ROLE OF RAAS BLOCKADE IN PREVENTING PODOCYTE INJURY
  • 88. PATHOPHYSIOLOGY OF HYPERTENSION IN CKD  Expanded ECF volume from sodium retention  Activation of the sympathetic nervous System  Activation of the Renin Angiotensin Aldosterone System  Endothelin cell dysfunction  Increased endothelin -1 release  Accumulation of asymmetric dimethylarginine  Decreased production of Nitric Oxide  Oxidative stress  Increased Vasopressin Release  Hypertensinogenic drugs (Erythropoetin)
  • 89. Prime factors for generation of Blood Pressure
  • 90. In CKD it is hypothesized that increases in Cardiac Output initiates the increases in BP , but increased Peripheral Vasc. resistance sustains it. Genesis of Blood pressure in CKD
  • 91. Increased Renal perfusion pressure leads to increased sodium excretion and vice versa In CKD this mechanism is impaired ,thus for similar amount of salt intake there is much larger rise of BP , even in patients on ACE inhibitors or ARB’s
  • 92. Figure 1 The relationship between pretreatment systolic blood pressure level and the subsequent occurrence of ESRD Udani, S. et al. (2010) Epidemiology of hypertensive kidney disease Nat. Rev. Nephrol. doi:10.1038/nrneph.2010.154 Permission obtained from Wolters Kluwer Health © Perry, H. M. et al. 25, 587–594 (1995)
  • 93. Figure 2 Mechanisms that contribute to salt sensitivity and hypertensive kidney injury Udani, S. et al. (2010) Epidemiology of hypertensive kidney disease Nat. Rev. Nephrol. doi:10.1038/nrneph.2010.154
  • 94. HYPERTENSION THE WAY TO GO  Hypertension awareness, treatment and control status is low,  Only half of the urban and a quarter of the rural hypertensive individuals being aware of its presence.  Only one in five persons is on treatment and less than 5% are controlled.  Rural location is an important determinant of poor hypertension awareness, treatment and control.  It has been said that in India the rule- of-halves is not valid and only a quarter to a third of subjects are aware of hypertension.  Preventive measures are required  To reduce obesity,  Increasing physical activity,  Decreasing the salt intake of the population  Concerted effort to promote awareness about hypertension and related risk behaviors  ACE INHIBITORS/ARB’s.
  • 95. Figure 2 Effect of strict blood-pressure control on renal survival Wühl, E. & Schaefer, F. (2011) Managing kidney disease with blood-pressure control Nat. Rev. Nephrol. doi:10.1038/nrneph.2011.73 Permission obtained from Massachusetts Medical Society © The ESCAPE trial group N. Engl. J. Med. 361, 1639–1650 (2009)
  • 97.
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  • 100.
  • 101. OBESITY STATISTICS-AN OVERVIEW  In 2008 worldwide  1.5 billion adults were overweight (BMI >25 kg/m2).  Over 200 million men and nearly 300 million women were obese (BMI >30 kg/m2).  Globally obesity rates have more than doubled since 1980  5% to 10% in men and 8% to 14% in women.  At least 2.8 million people die each year globally, as a result of being overweight or obese.  Worldwide 40 million children under the age of five were overweight in 2010,.  In the South-East Asia Region, 300 000 die of overweight/obesity.  Prevalence of overweight in countries across the Region ranges from  7.6% in male adults in Bangladesh to 53% female adults in Maldives.  Overweight and obesity are linked to more deaths worldwide than underweight
  • 102. INDIA- A LAND OF CONTRASTS
  • 103.
  • 104. When obese, your leptin LEVELS spike radically because you have higher leptin AMOUNTS in your body (causing leptin resistance in the brain)
  • 105. Various systemic problems associated with obesity
  • 106. OBESITY AND RENAL RISK Studies of obesity and renal risk-Meta-analysis  Studies reported on 19 cohorts—12 from the US, 4 from Europe, 2 from Japan and 1 from Korea.  The median follow-up duration was 15 years (range 3–35 years).  Estimated pooled relative risks (RRs) revealed that, compared with normal-weight individuals (BMI 18.5–24.9 kg/m2),  Overweight individuals (BMI 25–29.9 kg/m2) had a considerably increased risk of kidney disease (RR 1.40, 95% CI 1.30–1.50).  RR of kidney disease in obese individuals (BMI 30 kg/m2) was even greater (RR 1.83, 95% CI 1.57–2.13).  Each 1 kg/m2 increment in BMI increased the risk of kidney disease by 6% (pooled RR 1.06, 95% CI 1.05–1.07).  Stratification of the data by gender revealed a stronger association between obesity and kidney disease in women than in men  Population-attributable risk calculations for the US indicated that approximately 24.2% of kidney disease cases in men and 33.9% of cases in women could be attributable to obesity and being overweight.
  • 107.
  • 108. Bogaert YE and Linas S (2008) The role of obesity in the pathogenesis of hypertension Nat Clin Pract Nephrol doi:10.1038/ncpneph1022 Figure 1 Factors associated with the induction of obesity-related hypertension
  • 111. SMOKING AND CKD  In recent years, the tobacco industry has been focusing on expanding its markets in developing countries.  WHO predicts that by 2020,  70% of deaths resulting from smoking related illnesses will occur in developing countries  India is one of the countries that is party to the WHO’s Framework Convention on Tobacco Control.  Banned advertisement of tobacco and smoking in public places  Smoking dramatically affects the morbidity and mortality associated with cancer, cardio vascular disease and pulmonary disease.  Less is known about the deleterious effects of smoking on the kidney  Smoking is one of the preventable causes of progression of renal failure
  • 114. Declines in Rates of Death from Major Noncommunicable Diseases in the United States, 1950 to 2010. Hunter DJ, Reddy KS. N Engl J Med 2013;369:1336-1343
  • 115.
  • 116. Opportunities for Prevention, Detection, and Treatment of Noncommunicable Diseases in Low- and Middle-Income Countries. Hunter DJ, Reddy KS. N Engl J Med 2013;369:1336-1343
  • 117. Increase awareness Change of Attitude Obesity –The solutions
  • 118.
  • 119. Solutions for the obesity problem
  • 120.
  • 121. Figure 2 Proposed algorithm for the management of patients with obesity-related cardiorenal syndrome Fenske, W. et al. (2013) Obesity-related cardiorenal disease: the benefits of bariatric surgery Nat. Rev. Nephrol. doi:10.1038/nrneph.2013.145
  • 122. Table 3 Meta-analyses on the effect of RAS blockade on progression of renal disease Wühl, E. & Schaefer, F. (2011) Managing kidney disease with blood-pressure control Nat. Rev. Nephrol. doi:10.1038/nrneph.2011.73
  • 124. Patient care pathway for Continuum of care – PHFI, Mamta & Medtronic Initiati
  • 125. CONCLUSIONS  NCD or Lifestyle related diseases are responsible the majority of deaths ,even in developing countries  The same diseases cause Chronic Kidney diseases(in adults) too  There role in causing cardiovascular diseases and COPD/Cancers are better known  Hypertension, Diabetes, Obesity and smoking are responsible for majority of CKD in adults
  • 126. CONCLUSIONS Responding to the challenge: a whole-of- government and a whole-of-society effort  Recognize that the rising prevalence, morbidity and mortality of non-communicable diseases worldwide can be largely prevented and controlled through collective and multisectoral action  Acknowledge the contribution of and important role played by all relevant stakeholders  Individuals, families and communities  intergovernmental organizations and religious institutions,  civil society, academia, the media, voluntary associations  the private sector and industry,  insupport of national efforts for non-communicable
  • 127. CONCLUSIONS  Recognize the importance of strengthening local, provincial, national and regional capacities  To address and effectively combat non-communicable diseases particularly in developing countries,  This may entail increased and sustained human, financial and technical resources  Reduce risk factors and create health- promoting environments  Strengthen national policies and health systems  International cooperation, including
  • 128. Our Aim “25 by 25”

Notes de l'éditeur

  1. Figure 1 Global Deaths According to Cause and Sex, 2008. Adapted from the World Health Organization (WHO).4
  2. Figure 2 Proportion of Deaths from Noncommunicable Diseases among Persons Younger than 60 Years of Age, According to Income Group of Countries. Adapted from the WHO.6
  3. Figure 3 Global Deaths and Global Disability-Adjusted Life-Years (DALYs) Due to Noncommunicable Diseases in 1990 and 2010. DALYs are the sum of years of life lost from premature death and years lived with disability. COPD denotes chronic obstructive pulmonary disease. Adapted from Murray et al.7
  4. Figure 1 Deaths and Burden of Disease Attributable to Selected Behavioral and Dietary Risk Factors in 2010 and the Metabolic and Physiological Mediators of Their Hazardous Effects. High-income regions are Australasia, the Asia–Pacific region, North America, and western Europe. The figure shows deaths (Panel A) and disease burden (Panel B) attributable to the total effects of each individual risk factor. There is overlap among the effects of risk factors because of multicausality and because the effects of some risk factors (e.g., physical inactivity) are partly mediated through other risk factors (e.g., high body-mass index [BMI]). Therefore, the deaths and disease burden attributable to individual risk factors cannot simply be added together. DALYs denotes disability-adjusted life-years. Data are from Lim et al.5
  5. Figure 4 Trends in the Number of Obese Persons, According to Region. Obesity is defined as a BMI of 30 or higher. High-income North America includes Canada and the United States; high-income Asia–Pacific includes Brunei, Japan, Singapore, and South Korea. See Fig. S1 in the Supplementary Appendix for the rise in BMI by country. Data are from Stevens et al.33
  6. Figure 2 Trends in Lung-Cancer Mortality and Prevalence of Daily Tobacco Smoking in 2008. Panels A and B show trends in age-standardized mortality from lung cancer among men and women, respectively, 30 years of age or older. Death rates are age-standardized to the World Health Organization (WHO) standard population. Data are from the WHO database of vital statistics, with adjustment for completeness of death registration and for validity and comparability of cause-of-death assignment. Panel C shows the age-standardized prevalence of daily tobacco smoking among adults in 2008, according to WHO region. Data are from the WHO.14
  7. The figure presents the top 10 countries for numbers of people with diabetes in millions. All but two of these countries are middle-income countries and rapidly developing. Combined, these countries make up 75% of the total prevalence of diabetes in the world. Urbanisation and the accompanying changes in lifestyle are the main drivers of the epidemic in addition to changes in population structure where more people are living longer. The health systems of most of these countries are not equipped to deal with the rapidly rising burden of diabetes.
  8. Diabetes is a disease of development. Urbanisation, changes in lifestyle, and developing health systems combine to increase a person’s risk for diabetes substantially. In middle-income countries in particular, the epidemic is hitting younger people and causing death and disability early. People of working age are especially affected which is a serious risk to the economic potential of the countries. As these countries develop and people start to live longer, the epidemic will only increase unless effective prevention and treatment measures are put in place.
  9. Estimating deaths from diabetes is difficult because it is rarely reported as the cause of death in medical records. However, studies using the risk of death due to diabetes in different populations allow us to generate more realistic estimates of the true mortality burden. The estimates are almost certainly an underestimate but show us that a substantial proportion of deaths occur in people under the age of 60 and many even under the age of 50. This is well before the life expectancy in many countries and is a result of the serious complications that can develop in untreated diabetes.
  10. A staggering 50% of people with diabetes do not know they have the disease. Diabetes can go many years without showing symptoms, or symptoms may be misdiagnosed as other conditions, meanwhile high blood glucose is causing damage to major organs in the body. Complications such as cardiovascular disease, neuropathy, retinopathy, and kidney disease are irreversible once they develop and can mean serious disability for the person who experiences them. Regions where the overall prevalence of diabetes is relatively low, such as Africa, have the some of the highest percentages of people who are undiagnosed. This is often because of a complete lack of awareness of the disease both in the public and the health community.
  11. Abstract We described the characteristics in a referred cohort of type II diabetic patients in the Developing Education on Microalbuminuria for Awareness of renal and cardiovascular risk in Diabetes study evaluating the global prevalence and determinants of microalbuminuria (MA). A cross-sectional study evaluating 32,208 type II diabetic patients without known albuminuria from 33 countries was performed. Overall, 8057 patients were excluded, either because of prior known proteinuria or non-diabetic nephropathy (3670), or because of invalid urine collections (4387). One single random urinary albumin/creatinine ratio was obtained in 24,151 patients (75%). The overall global prevalence of normo-, micro-, and macroalbuminuria was 51, 39, and 10%, respectively. The Asian and Hispanic patients had the highest prevalence of a raised urinary albumin/creatinine ratio (55%) and Caucasians the lowest (40.6), P<0.0001. HbA1c, systolic blood pressure (BP), ethnicity, retinopathy, duration of diabetes, kidney function, body height, and smoking were all independent risk factors of MA, P<0.0001. Estimated glomerular filtration rate was below 60 ml/min/1.73 m(2) in 22% of the 11,573 patients with available data. Systolic BP below 130 mmHg was found in 33 and 43% had an HbA1c below 7%. The frequency of patients receiving aspirin was 32%, statins 29%, and BP-lowering therapy 63%. A high prevalence globally of MA and reduced kidney function, both conditions associated with enhanced renal and cardiovascular risk, was detected in type II diabetic patients without prior known nephropathy. Early detection, monitoring of vascular complications, and more aggressive multifactorial treatment aiming at renal and vascular protection are urgently needed.
  12. Figure 4 Declines in Rates of Death from Major Noncommunicable Diseases in the United States, 1950 to 2010. Adapted from the National Center for Health Statistics, Centers for Disease Control and Prevention.18
  13. Table 1 Opportunities for Prevention, Detection, and Treatment of Noncommunicable Diseases in Low- and Middle-Income Countries.