据中华医学会糖尿病学分会2008年中国糖尿病和代谢疾病研究(China national diabetes and metabolic disorders study)报告,我国20岁以上人群糖尿病(diabetes mellitus,DM)总体患病率为9.7%,其中男性10.6%,女性8.8%。由此推算我国D...据中华医学会糖尿病学分会2008年中国糖尿病和代谢疾病研究(China national diabetes and metabolic disorders study)报告,我国20岁以上人群糖尿病(diabetes mellitus,DM)总体患病率为9.7%,其中男性10.6%,女性8.8%。由此推算我国DM患病总人数达9240万,位居世界第一。DM前期的患病率高达15.5%,估算人数约为1.5亿。展开更多
The worldwide epidemic of obesity and its medical complications are being dealt with a combination of life style changes(e.g.,healthier diet and exercise),medications and a variety of surgical interventions.The Roux-e...The worldwide epidemic of obesity and its medical complications are being dealt with a combination of life style changes(e.g.,healthier diet and exercise),medications and a variety of surgical interventions.The Roux-en Y gastric bypass(RYGB) and laparoscopic adjustable gastric banding(LAGB) are two of the most common weight loss surgeries for morbid obesityassociated metabolic syndrome and insulin resistance.A vast majority of patients that undergo RYGB and LAGB are known to experience marked weight loss and attenuation of diabetes.A number of recent studies have indicated that the rates of remission in glycemic control and insulin sensitivity are significantly greater in patients that have undergone RYGB.A plausible hypothesis to explain this observation is that the gastric bypass surgery as opposed to the gastric banding procedure impinges on glucose homeostasis by a weight loss-independent mechanism.In a recent paper,Bradley et al have experimentally explored this hypothesis.The authors compared several clinical and laboratory parameters of insulin sensitivity and β-cell function in cohorts of RYGB and LAGB patients before and after they lost approximately 20% of their body mass.Afterweight loss,both groups of patients underwent similar changes in their intra-abdominal and total adipose tissue volume,hepatic triglyceride and circulating leptin levels.The RYGB patients who lost 20% body mass,manifested higher postprandial output of glucose,insulin and glucagon-like peptide-1;these laboratory parameters remained unchanged in LABG patients.Irrespective of the observed differences in transient responses of RYGB and LAGB patients to mixed meal,the overall glycemic control as judged by glucose tolerance,multi-organ insulin sensitivity and β-cell function were nearly identical in the two groups.Both RYGB and LAGB patient cohorts also experienced similar changes in the expression of a number of pro-and anti-inflammatory markers.Based on these analyses,Bradley et al concluded that similar restoration of insulin sensi展开更多
文摘据中华医学会糖尿病学分会2008年中国糖尿病和代谢疾病研究(China national diabetes and metabolic disorders study)报告,我国20岁以上人群糖尿病(diabetes mellitus,DM)总体患病率为9.7%,其中男性10.6%,女性8.8%。由此推算我国DM患病总人数达9240万,位居世界第一。DM前期的患病率高达15.5%,估算人数约为1.5亿。
文摘The worldwide epidemic of obesity and its medical complications are being dealt with a combination of life style changes(e.g.,healthier diet and exercise),medications and a variety of surgical interventions.The Roux-en Y gastric bypass(RYGB) and laparoscopic adjustable gastric banding(LAGB) are two of the most common weight loss surgeries for morbid obesityassociated metabolic syndrome and insulin resistance.A vast majority of patients that undergo RYGB and LAGB are known to experience marked weight loss and attenuation of diabetes.A number of recent studies have indicated that the rates of remission in glycemic control and insulin sensitivity are significantly greater in patients that have undergone RYGB.A plausible hypothesis to explain this observation is that the gastric bypass surgery as opposed to the gastric banding procedure impinges on glucose homeostasis by a weight loss-independent mechanism.In a recent paper,Bradley et al have experimentally explored this hypothesis.The authors compared several clinical and laboratory parameters of insulin sensitivity and β-cell function in cohorts of RYGB and LAGB patients before and after they lost approximately 20% of their body mass.Afterweight loss,both groups of patients underwent similar changes in their intra-abdominal and total adipose tissue volume,hepatic triglyceride and circulating leptin levels.The RYGB patients who lost 20% body mass,manifested higher postprandial output of glucose,insulin and glucagon-like peptide-1;these laboratory parameters remained unchanged in LABG patients.Irrespective of the observed differences in transient responses of RYGB and LAGB patients to mixed meal,the overall glycemic control as judged by glucose tolerance,multi-organ insulin sensitivity and β-cell function were nearly identical in the two groups.Both RYGB and LAGB patient cohorts also experienced similar changes in the expression of a number of pro-and anti-inflammatory markers.Based on these analyses,Bradley et al concluded that similar restoration of insulin sensi