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Cost-effective Treatment and Fracture Risk
1. Cost Effective Treatment of Osteoporosis Utilizing the US Adapted WHO Fracture Risk Algorithm Sanford Baim MD, FACR, CCD Colorado Center for Bone Research Lakewood, Colorado
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3. WHO Bone Density Criteria: A Diagnostic Threshold Diagnostic criteria* Classification T is above or equal to -1 Normal T is between -1 and -2.5 Osteopenia (low bone mass) T -2.5 or lower Osteoporosis T -2.5 or lower + fragility fracture Severe established osteoporosis * T-score is the number of standard deviations above or below the average peak bone density in young adults
4. Treatment Guidelines Prior to 2008 Based on BMD and CRFs T-score thresholds Treat Do not Treat BMD + CRFs NOF NOF Risk Factors AACE Risk Factors NAMS Risk Factors ACOG Risk Factors ALL Fragility Fracture (with or without low BMD) -2.5 -2.0 -1.5
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7. BMD and Relative Risk Bone Density (T-score) Relative Risk for Fracture Marshall, BMJ, 1996
8. Gradients of Risk in Women for a 1 SD Decrease in BMD Below Age-adjusted mean Site of Measurement Distal radius Hip Lumbar spine Forearm Fracture 1.7 1.4 1.5 Hip Fracture 1.8 2.6 1.6 Vertebral Fracture 1.7 1.8 2.3 All Fractures 1.4 1.6 1.5 Marshall, BMJ, 1996
16. Age as an Independent Risk Factor for Fracture Adapted from Kanis , OI , 2001 Probability of clinical osteoporotic fractures in Swedish women Gradient of risk Ten Year Fracture Probability (%) Age 80 70 60 50
17. Prior Fracture as an Independent Risk Factor for Fracture Klotzbuecher , JBMR , 2000 RR Incident Fracture Prevalent Fracture Wrist Vertebra Hip Wrist 3.3 1.7 1.9 Vertebra 1.4 4.4 2.3 Hip NA 2.5 2.3
18. Combined Effect of BMD and Clinical Risk Factors on Fracture Risk Rate of hip fracture (per 1000 woman-yr) Calcaneal bone density No. of risk factors Cummings, N EJM, 1995 27.3 14.7 9.4 0 5 10 15 20 25 30 Lowest third Middle third Highest third 0-2 3-4 >4
49. NOF Clinician’s Guide To Prevention and Treatment of Osteoporosis Development Committee Bess Dawson-Hughes (Chair), NOF Robert Lindsay (Co-chair), NOF Sundeep Khosla, NOF L. Joseph Melton III, NOF Anna N.A. Tosteson, NOF Murray Favus, ASBMR Sanford Baim, ISCD Interspecialty Medical Council Reviewers Laura Tosi, AAOS Kenneth W. Lysles, AGS Martin Grabois, AAP Helena W. Rodbard, AMA Richard W. Kruse, AAP Marc F. Swiontkowski, AOA Partricia Graham, AAPMR Kendrin Van Steenwyk, AOA Donald Berman, AACE Shonni Silverberg, ASBMR William C. Andrews, ACOG E. Michael Lewiecki, ISCD Michael Gloth III, ACP John L. Melvin, ISPRM Ronald Bernard Staron, ACR Wendi El-Amin, NMA Lenore Buckley, ACRheum Carolyn Becker, TES
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59. Impact of Duration in Fracture-Loss in Quality of Life on 10-year Hip Fracture Which Treatment Becomes Cost-effective Tosteson, OI , 2008
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62. 10-year Fracture Risk 50 Year Old White Female with BMI 24 5.2% 0.4% 9.4% 2.5% 2.5% 9.2% 16% 2.6% 10% 4.3% 17% 4.5% 28% 8.3%
63. 2003 NOF Physician Guide Treatment Recommendations Core data from Kanis, OI , 2001 McClung, Bone , 2005