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Br J Surg:减肥术后胰岛素敏感性和分泌的变化

2016-02-17 Mechront 译 MedSci原创

为治疗肥胖和肥胖相关并发症如糖尿病等,患者可以选择袖状胃减容术,研究者进行了一项研究,探究袖状胃减容术后患者的胰岛素分泌和敏感性的动态变化。研究者通过采用正常血糖高胰岛素钳夹试验法测定全身胰岛素敏感性,通过术前和术后3、6、12个月口服葡萄糖耐量试验(OGTT)评估胰岛素分泌,胰高血糖素样肽-1(GLP-1)作为OGTT后胰岛素分泌的标志物进行评估。该研究共纳入了10名患者,基线时胰岛素敏感性中位

为治疗肥胖和肥胖相关并发症如糖尿病等,患者可以选择袖状胃减容术,研究者进行了一项研究,探究袖状胃减容术后患者的胰岛素分泌和敏感性的动态变化。

研究者通过采用正常血糖高胰岛素钳夹试验法测定全身胰岛素敏感性,通过术前和术后3、6、12个月口服葡萄糖耐量试验(OGTT)评估胰岛素分泌,胰高血糖素样肽-1(GLP-1)作为OGTT后胰岛素分泌的标志物进行评估。

该研究共纳入了10名患者,基线时胰岛素敏感性中位数为84.0(20.2-131.4) mmol/kg/min,术后12个月该值增加到122.8 (99.0-179.3)mmol/kg/min(P = 0·015)。采用稳态模型评估的胰岛素抵抗指数空腹胰岛素敏感性由基线的 3.3 (1.9-5.5)mg/dl·µunits/ml下降到0.7 (0.5-1.1) mg/dl·µunits/ml (P < 0·001)。OGTT后以增量曲线下的面积(AUC)来衡量总胰岛素分泌,术后12个月时由基线的360.4 (347.9-548.0)mmol/l.180 min下降到190.1 (10.1-252.0) mmol/l.180 min;而GLP-1得AUC则从基线的258.5 (97.5-552.6)pmol/l.180 min增加到术后12个月的5531.8 (4143.0-7540.9) pmol/l.180 min (P < 0·001)。多因素回顾分析显示,GLP-1的分泌可以解释51%的M值变异性。

研究结果表明,袖状胃减容术后6个月内可改善胰岛素敏感性,减少胰岛素分泌。虽然胰岛素敏感性与体重呈正相关,不过GLP-1分泌是推动胰岛素敏感性得到改善的主要动力。

原始出处:

Casella G, Soricelli E,et al.Changes in insulin sensitivity and secretion after sleeve gastrectomy.Br J Surg. 2016 Feb;103(3):242-8. doi: 10.1002/bjs.10039.

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    2016-11-17 gwc392
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    2017-01-26 baoya
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来自澳大利亚的科学家们最近进行了一项研究,他们发现了代谢健康的胖子们所具有的一些关键特征,这些健康肥胖人群不会受到2型糖尿病以及其他一些与肥胖相关的代谢紊乱疾病的困扰。相关研究结果发表在国际学术期刊JCEM上,这项研究对于2型糖尿病以及肥胖治疗具有一定启示。 肥胖通常会给人们带来一些疾病困扰,如2型糖尿病,胰岛素抵抗,高血压以及血脂异常,但非常有趣的是,一些肥胖个体似乎违背了这一"潮流"

Diabetes Obes Metab:不同胰岛素治疗的2型糖尿病患者急性心梗风险比较

研究者对2型糖尿病患者进行了一项研究,根据胰岛素使用种类将其分组,比较不同组患者的急性心肌梗死(AMI)风险。该研究就2004-2009年间德国保险数据,对2型糖尿病患者进行了一项回顾性队列研究。共涉及了21 501名新的胰岛素使用者。研究数据显示,使用预混胰岛素治疗的患者年龄大于胰岛素类似物或NPH胰岛素治疗患者(平均年龄 70.7 vs. 64.1和61.6岁),且预混胰岛素使用者并存病更多。

Am J Epidemiol:常喝咖啡能减少2型糖尿病风险,降低全因死亡

http://www.medicalnewstoday.com/articles/303548.php

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