Resultados de la cirugía metabólica
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Resultados de la cirugía metabólica
- 1. Metabolic Surgery 15 min V Congreso Internacional de Cirugia Bariatrica y Metabolica Mendoza Argentina May 19 & 20, 2011
- 2. Who would have thought it? An operation proves to be the most effective therapy for adult-onset diabetes mellitus. Ann Surg. 1995 Metabolic Surgery 1978
- 3. Cummings DE, Weigle DS, Frayo RS et al. Plasma ghrelin levels after diet-induced weight loss or gastric bypass surgery. N Eng J Med 2002; 346: 1623-30. GHRELIN Insight into metabolic mechanisms Advanced Laparoscopic Surgery Associates Medical Group
- 4. Decreased Basal Ghrelin after Surgery Advanced Laparoscopic Surgery Associates Medical Group Leonetti F, Silecchia G, Iacobellis G et al. Different plasma ghrelin levels after laparoscopic gastric bypass and adjustable gastric banding in morbid obese subjects. J Clin Endocrinol Metab 2003; 88: 4227-31. Cummings DE, Weigle DS, Frayo RS et al. Plasma ghrelin levels after diet-induced weight loss or gastric bypass surgery. N Eng J Med 2002; 346: 1623-30. Tritos NA, Mun E, Bertkau A et al. Serum ghrelin levels in response to glucose load in obese subjects post-gastric bypass surgery. Obes Res 2003; 11: 919-24. Fruhbeck G, Diez-Caballero A, Gil MJ et al. The decrease in plasma ghrelin concentrations following bariatric surgery depends on the functional integrity of the fundus. Obes Surg 2004; 14: 606-12. Geloneze B, Tambascia MA, Pilla VF et al. Ghrelin: a gut-brain hormone: effect of gastric bypass surgery. Obes Surg 2003; 13: 17-22. Morinigo R, Casamitjana R, Moize V et al. Short-term effects of gastric bypass surgery on circulating ghrelin levels. Obes Res 2004; 12: 1108-16.
- 5. Unchanged Basal Ghrelin after Surgery Advanced Laparoscopic Surgery Associates Medical Group Schindler K, Prager G, Ballaban T et al. Impact of laparoscopic adjustable gastric banding on plasma ghrelin, eating behaviour and body weight. Eur J Clin Invest 2004; 34: 549-54. Faraj M, Havel PJ, Phelis S et al. Plasma acylation-stimulating protein, adiponectin, leptin, and ghrelin before and after weight loss induced by gastric bypass surgery in morbidly obese subjects. J Clin Endocrinol Metab 2003; 88: 1594-602. @ 18 months Stoeckli R, Chanda R, Langer I et al. Changes of body weight and plasma ghrelin levels after gastric banding and gastric bypass. Obes Res 2004; 12: 346-50. Adami GF, Cordera R, Marinari G et al. Plasma ghrelin concentratin in the short-term following biliopancreatic diversion. Obes Surg 2003; 13: 889-92.
- 6. Increased Basal Ghrelin after Surgery Advanced Laparoscopic Surgery Associates Medical Group Schindler K, Prager G, Ballaban T et al. Impact of laparoscopic adjustable gastric banding on plasma ghrelin, eating behaviour and body weight. Eur J Clin Invest 2004; 34: 549-54. Nijhuis J, van Dielen FM, Buurman WA et al. Ghrelin, leptin and insulin levels after restrictive surgery: a 2-year follow-up study. Obes Surg 2004; 14: 783-7. Stoeckli R, Chanda R, Langer I et al. Changes of body weight and plasma ghrelin levels after gastric banding and gastric bypass. Obes Res 2004; 12: 346-50. Faraj M, Havel PJ, Phelis S et al. Plasma acylation-stimulating protein, adiponectin, leptin, and ghrelin before and after weight loss induced by gastric bypass surgery in morbidly obese subjects. J Clin Endocrinol Metab 2003; 88: 1594-602. @ 12 months Vendrell J, Broch M, Vilarrasa N et al. Resistin, adiponectin, ghrelin, leptin, and proinflammatory cytokines: relationships in obesity. Obes Res 2004; 12: 962-71. Holdstock C, Engstrom BE, Ohrvall M et al. Ghrelin and adipose tissue regulatory peptides: effect of gastric bypass surgery in obese humans. J Clin Endocrinol Metab 2003; 88: 3177-83 Adami GF, Cordera R, Andraghetti G et al. Changes in serum ghrelin concentration following biliopancreatic diversion for obesity. Obes Res 2004; 12: 684-7.
- 7. Is ghrelin the culprit for weight loss after gastric bypass surgery? Probably not. But this started us thinking... Advanced Laparoscopic Surgery Associates Medical Group
- 9. BMI Fasting insulin Fasting leptin PYY Enteroglucagon GLP-1 Hunger Satiety
- 11. Central Signals Brain NPY AGRP galanin Orexin-A dynorphin Stimulate α-MSH CRH/UCN GLP-I CART NE 5-HT Inibit Peripheral signals Peripheral organs + − − + Gastrointestinal tract Adipose tissue Food Intake Adrenal glands External factors Emotions Food characteristics Lifestyle behaviors Environmental cues Glucose CCK, GLP-1, Apo-A-IV vagal afferents Insulin Ghrelin Leptin Cortisol Advanced Laparoscopic Surgery Associates Medical Group
- 19. CCK: Cholecystokinin Advanced Laparoscopic Surgery Associates Medical Group Kellum JM, Kuemmerle JF, O'Dorisio TM et al. Gastrointestinal hormone responses to meals before and after gastric bypass and vertical banded gastroplasty. Annals of Surgery 1990; 211: 763-70; discussion 770-1. Foschi D, Corsi F, Pisoni L et al. Plasma cholecystokinin levels after vertical banded gastroplasty: effects of an acidified meal. Obes Surg 2004; 14: 644-7. Naslund E, Gryback P, Hellstrom PM et al. Gastrointestinal hormones and gastric emptying 20 years after jejunoileal bypass for massive obesity. Int J Obes Relat Metab Disord 1997; 21: 387-92. Rubino F, Gagner M, Gentileschi P et al. The early effect of the Roux-en-Y gastric bypass on hormones involved in body weight regulation and glucose metabolism. Annals of Surgery 2004; 240: 236-42 Sorensen TI, Toftdahl DB, Hojgaard L et al. Plasma cholecystokinin in obese patients before and after jejunoileal bypass with 3:1 or 1:3 jejunoileal ratio--no role in the increased risk of gallstone formation. Danish Medical Bulletin 1994; 41: 469-72.
- 20. GIP: Gastric Inhibitory Polypeptide Advanced Laparoscopic Surgery Associates Medical Group Rubino F, Gagner M, Gentileschi P et al. The early effect of the Roux-en-Y gastric bypass on hormones involved in body weight regulation and glucose metabolism. Annals of Surgery 2004; 240: 236-42. Naslund E, Backman L, Holst JJ et al. Importance of small bowel peptides for the improved glucose metabolism 20 years after jejunoileal bypass for obesity. Obes Surg 1998; 8: 253-60. Sorensen TI, Lauritsen KB, Holst JJ et al. Gut and pancreatic hormones after jejunoileal bypass with 3:1 or 1:3 jejunoileal ratio. Digestion 1983; 26: 137-45. Sarson DL, Scopinaro N, Bloom SR. Gut hormone changes after jejunoileal (JIB) or biliopancreatic (BPB) bypass surgery for morbid obesity. Int J Obes 1981; 5: 471-80.
- 21. Enteroglucagon Advanced Laparoscopic Surgery Associates Medical Group Kellum JM, Kuemmerle JF, O'Dorisio TM et al. Gastrointestinal hormone responses to meals before and after gastric bypass and vertical banded gastroplasty. Annals of Surgery 1990; 211: 763-70; discussion 770-1. Sorensen TI, Lauritsen KB, Holst JJ et al. Gut and pancreatic hormones after jejunoileal bypass with 3:1 or 1:3 jejunoileal ratio. Digestion 1983; 26: 137-45. Sarson DL, Scopinaro N, Bloom SR. Gut hormone changes after jejunoileal (JIB) or biliopancreatic (BPB) bypass surgery for morbid obesity. Int J Obes 1981; 5: 471-80. Holst JJ, Sorensen TI, Andersen AN et al. Plasma enteroglucagon after jejunoileal bypass with 3:1 or 1:3 jejunoileal ratio. Scandinavian Journal of Gastroenterology 1979; 14: 205-7. Meryn S, Stein D, Straus EW. Pancreatic polypeptide, pancreatic glucagon and enteroglucagon in morbid obesity and following gastric bypass operation. Int J Obes 1986; 10: 37-42.
- 22. GLP-1: Glucagon-like Peptide 1 Advanced Laparoscopic Surgery Associates Medical Group Naslund E, Gryback P, Hellstrom PM et al. Gastrointestinal hormones and gastric emptying 20 years after jejunoileal bypass for massive obesity. Int J Obes Relat Metab Disord 1997; 21: 387-92. Rubino F, Gagner M, Gentileschi P et al. The early effect of the Roux-en-Y gastric bypass on hormones involved in body weight regulation and glucose metabolism. Annals of Surgery 2004; 240: 236-42. Naslund E, Backman L, Holst JJ et al. Importance of small bowel peptides for the improved glucose metabolism 20 years after jejunoileal bypass for obesity. Obes Surg 1998; 8: 253-60. le Roux CW, Aylwin SJ, Batterham RL, Borg CM, Coyle F, Prasad V, Shurey S, Ghatei MA, Patel AG, Bloom SR. Gut hormone profiles following bariatric surgery favor an anorectic state, facilitate weight loss, and improve metabolic parameters. Ann Surg. 2006 Jan;243(1):108-14.
- 23. PYY: Peptide YY Advanced Laparoscopic Surgery Associates Medical Group Naslund E, Gryback P, Hellstrom PM et al. Gastrointestinal hormones and gastric emptying 20 years after jejunoileal bypass for massive obesity. Int J Obes Relat Metab Disord 1997; 21: 387-92. Korner J, Bessler M, Cirilo LJ et al. Effects of Roux-en-Y gastric bypass surgery on fasting and postprandial concentrations of plasma ghrelin, PYY and insulin. J Clin Endocrinol Metab 2004; in press Alvarez Bartolome M, Borque M, Martinez-Sarmiento J et al. Peptide YY secretion in morbidly obese patients before and after vertical banded gastroplasty. Obes Surg 2002; 12: 324-7. le Roux CW, Aylwin SJ, Batterham RL, Borg CM, Coyle F, Prasad V, Shurey S, Ghatei MA, Patel AG, Bloom SR. Gut hormone profiles following bariatric surgery favor an anorectic state, facilitate weight loss, and improve metabolic parameters. Ann Surg. 2006 Jan;243(1):108-14. Korner J, Inabnet W, Conwell IM, Taveras C, Daud A, Olivero-Rivera L, Restuccia NL, Bessler M. Differential effects of gastric bypass and banding on circulating gut hormone and leptin levels.Obesity (Silver Spring). 2006 Sep;14(9):1553-61 Borg CM, le Roux CW, Ghatei MA, Bloom SR, Patel AG, Aylwin SJ. Progressive rise in gut hormone levels after Roux-en-Y gastric bypass suggests gut adaptation and explains altered satiety.Br J Surg. 2006 Feb;93(2):210-5. Chan JL, Mun EC, Stoyneva V, Mantzoros CS, Goldfine AB. Peptide YY levels are elevated after gastric bypass surgery.Obesity (Silver Spring). 2006 Feb;14(2):194-8. Morinigo R, Moize V, Musri M, Lacy AM, Navarro S, Marin JL, Delgado S, Casamitjana R, Vidal J. Glucagon-like peptide-1, peptide YY, hunger, and satiety after gastric bypass surgery in morbidly obese subjects. J Clin Endocrinol Metab. 2006 May;91(5):1735-40.
- 25. PP: Pancreatic Polypeptide Advanced Laparoscopic Surgery Associates Medical Group Sorensen TI, Lauritsen KB, Holst JJ et al. Gut and pancreatic hormones after jejunoileal bypass with 3:1 or 1:3 jejunoileal ratio. Digestion 1983; 26: 137-45. Meryn S, Stein D, Straus EW. Pancreatic polypeptide, pancreatic glucagon and enteroglucagon in morbid obesity and following gastric bypass operation. Int J Obes 1986; 10: 37-42. le Roux CW, Aylwin SJ, Batterham RL, Borg CM, Coyle F, Prasad V, Shurey S, Ghatei MA, Patel AG, Bloom SR. Gut hormone profiles following bariatric surgery favor an anorectic state, facilitate weight loss, and improve metabolic parameters. Ann Surg. 2006 Jan;243(1):108-14.
Notes de l'éditeur
- Regulation of food intake The regulation of food intake involves a complex interaction of systems that determine the size, content, and frequency of feedings. Presumably, the brain is the final processing center that translates central and peripheral signals to initiate or stop feeding. Neuronal circuits have been identified in the hypothalamus that affect satiation (level of fullness during a meal which regulates the amount of food consumed) and satiety (level of hunger after a meal is consumed which regulates the frequency of eating). Regulatory mechanisms also must be present that integrate determinants of short-term energy intake with long-term energy requirements. The discovery of leptin, the protein product of the ob/ob gene, in 1995 [1] led to a marked increase in our understanding of the regulation of food intake. Leptin is produced by fat cells, released into the circulation, and it crosses the blood-brain barrier to bind to its receptor in the hypothalamus, which stimulates the expression of neuropeptides and neurotransmitters that inhibit food intake. Therefore, leptin provides a unique feedback signaling system that transmits information regarding adipose tissue energy stores to the central nervous system. Other peripheral organs also communicate with the brain about energy intake through neural signaling and endocrine pathways. The gastrointestinal system, which is responsible for digesting and absorbing ingested nutrients, is particularly involved. The gastrointestinal tract produces cholecystokinin (CCK), glucagon-like peptide-1 (GLP-1), apolipoprotein A-IV (apo A-IV), ghrelin, insulin, and glucose, which are likely involved in short-term, and possibly long-term, regulation of food intake. Central neuropeptides and neurotransmitter signals produced in hypothalamic nuclei stimulate 1) neuropeptide Y (NPY), 2) agouti-related protein (AGRP), 3) galanin, 4) orexin-A, and 5) dynorphin, or inhibit 1) a-melanocyte-stimulating hormone (a-MSH), a peptide derived from proopiomelanocortin (POMC), 2) corticotropin-releasing hormone/urocortin (CRH/UCN), 3) glucagon-like peptide-1 (GLP-1), 4) cocaine- and amphetamine-regulated transcript (CART), 5) norepinephrine (NE), and 5) serotonin (5-HT) [2]. There is a hierarchy in the relative importance, magnitude, and duration of each afferent input, and certain signals can override the effect of others. The redundancy of these complex signaling pathways tend to defend food intake and provides a formidable barrier to treating obesity. Therefore, a clear understanding of the factors involved in regulating food intake has important implications in designing therapeutic agents for obesity management. Zhang Y, Proenca R, Maffei M, et al. Positional cloning of the mouse obese gene and its human homologue. Nature 1994;372:425-432. Schwartz MW, Woods SC, Porte D Jr, et al. Central nervous system control of food intake. Nature 2000;404:661-671.