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短期极低热量限食对2型糖尿病患者胰岛β细胞功能及糖脂代谢的影响 被引量:17

Effects of short-term very-low calorie diet on islet β-cell function, glucose and lipid metabolism in type 2 diabetic patients
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摘要 目的 探讨短期极低热量限食对2型糖尿病患者胰岛素分泌、胰岛素敏感性以及糖脂代谢的影响.方法 选取20例2型糖尿病患者,平均年龄(41.3±7.3)岁,体重指数(25.91 ±2.83) kg/m2,其中,男性5例,女性15例,评估胰岛β细胞功能后,实施9天极低热量(300~ 600 kcal/d)限食,重新评估胰岛β细胞功能,对比限食前后受试者血糖、血脂、血压、胰岛素分泌及胰岛素敏感性的变化.结果 (1)限食后患者平均体重由(70.5±1 1.0) kg降至(65.9±10.5) kg(P<0.01),腰围由(86.68±10.26) cm减至(81.03±9.77) cm(P<0.001),体重指数由(25.99±2.78) kg/m2降至(23.89±2.66) kg/m2(P<0.01).其中,内脏脂肪面积由(104.79±29.65) cm2减至(97.44±29.14) cm2(P=0.015),体脂肪重量由(22.8±4.9)kg减至(20.9±4.5)kg(P<0.01) (2)限食后患者空腹血糖由(8.47±1.77) mmol/L降至(6.30±1.82)mmol/L(P<0.01),空腹胰岛素由(10.8±4.0) mIU/L降至(7.1±4.2)mIU/L(P<0.01),甘油三酯由(2.36±1.71) mmol/L降至(1.28±0.50) mmol/L(P<0.05),收缩压由(127± 11) mmHg(1 mmHg=0.133 kPa)降至(117±10) mmHg(P<0.01),舒张压由(80±7) mmHg降至(73±10) mmHg(P<0.01),而总胆固醇、低密度脂蛋白差异无统计学意义.(3)限食后患者静脉葡萄糖耐量试验第一时相胰岛素分泌量由(62.37±40.28)mIU/L增至(98.18±77.17) mIU/L(P<0.05),口服葡萄糖耐量试验胰岛素分泌曲线下面积变化无统计学意义,限食后患者胰岛素抵抗指数(HOM A-IR)由4.12±1.87降至2.02± 1.25(P<0.01).结论 短期极低热量限食可减轻2型糖尿病患者体重,改善胰岛素抵抗,增加胰岛素一相分泌,改善糖脂代谢,降低血压. Objective To study the effects of short-term caloric restriction (CR) on insulin secretion and glucose and lipid metabolism in type 2 diabetic patients.Methods Oral glucose tolerance test,insulin releasing test,and other biochemical tests were performed in 20 type 2 diabetic patients whose body mass index(BMI) was less than 40 kg/m2before and after 9 days with CR(300-600 kcal/d).Results (1) After short-term CR,the patients' mean body weight was reduced from (70.5 ± 11.0) kg to (65.9 ± 10.5) kg(P<0.01),and their waist circumference from (86.68 ± 10.26) cm to (81.03 ± 9.77) cm (P<0.001).Moreover,BM1 was reduced from (25.99 ± 2.78) kg/m2 to (23.89 ± 2.66) kg/m2 (P<0.01),the visceral fat mass area decreased from (104.79 ± 29.65) cm2 to (97.44 ± 29.14) cm2 (P =0.015),and the weight of body fat mass was reduced from (22.8 ± 4.9) kg to (20.9 ± 4.5) kg(P< 0.01).(2) After 9 days of CR,there were significant reductions in fasting blood glucose [from (8.47 ± 1.77) mmol/L to (6.30± 1.82) mmol/L,P<0.01],fasting insulin [from (10.8±4.0) mIU/L to (7.1 ±4.2) mIU/L,P< 0.01),and blood triglyceride [from (2.36 ± 1.71) mmol/L to (1.28 ± 0.50) mmol/L,P<0.05),as well as lowering of systolic blood pressure[from (127 ± 11) mmHg(1 mmHg=0.133 kPa) to (117 ± 10) mmHg,P<0.01),and diastolic blood pressure [from (80 ± 7) mmHg to (73 ± 10) mmHg,P<0.01],though,no significant difference was found in total eholesterol and low density lipoprotein levels before and after CR.(3) The first-phase insulin response,which was represented by acute insulin response,was increased from (62.37 ± 40.28) mIU/L to (98.1 8 ± 77.17) mIU/L(P<0.05) during the study period,while changes in insulin area under the curve showed no significant differences before and after CR.HOMA-IR,which was a parameter of insulin resistance,was decreased from 4.12 ± 1.87 to 2.02 ± 1.25 (P<0.01).Conclusion Short-term CR can effectively improve islet β cell function,glucose and lipid metabolism in patients with type 2 diabetes.
出处 《中华内分泌代谢杂志》 CAS CSCD 北大核心 2014年第6期473-476,共4页 Chinese Journal of Endocrinology and Metabolism
基金 江苏省科技计划项目(BM2012064)
关键词 限食 糖尿病 2型 胰岛素分泌 葡萄糖 脂质 Caloric restriction Diabetes mellitus, type 2 Insulin secretion Glucose Lipid
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参考文献10

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