Hepatic and Peripheral Insulin Sensitivity and Diabetes Remission at 1 Month After Roux-en-Y Gastric Bypass Surgery in Patients Randomized to Omentectomy

Early after Roux-en-Y gastric bypass (RYGB), there is improvement in type 2 diabetes, which is characterized by insulin resistance. We determined the acute effects of RYGB, with and without omentectomy, on hepatic and peripheral insulin sensitivity. We also investigated whether preoperative diabetes...

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Veröffentlicht in:Diabetes care 2012-01, Vol.35 (1), p.137-142
Hauptverfasser: DUNN, Julia P, ABUMRAD, Naji N, BREITMAN, Igal, MARKS-SHULMAN, Pamela A, ROBB FLYNN, Charles, JABBOUR, Kareem, FEURER, Irene D, TAMBOLI, Robyn A
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container_end_page 142
container_issue 1
container_start_page 137
container_title Diabetes care
container_volume 35
creator DUNN, Julia P
ABUMRAD, Naji N
BREITMAN, Igal
MARKS-SHULMAN, Pamela A
ROBB FLYNN, Charles
JABBOUR, Kareem
FEURER, Irene D
TAMBOLI, Robyn A
description Early after Roux-en-Y gastric bypass (RYGB), there is improvement in type 2 diabetes, which is characterized by insulin resistance. We determined the acute effects of RYGB, with and without omentectomy, on hepatic and peripheral insulin sensitivity. We also investigated whether preoperative diabetes or postoperative diabetes remission influenced tissue-specific insulin sensitivity after RYGB. We studied 40 obese (BMI 48 ± 8 kg/m(2)) participants, 17 with diabetes. Participants were randomized to RYGB alone or in conjunction with omentectomy. Hyperinsulinemic-euglycemic clamps with isotopic-tracer infusion were completed at baseline and at 1 month postoperatively to assess insulin sensitivity. Participants lost 11 ± 4% of body weight at 1 month after RYGB, without an improvement in peripheral insulin sensitivity; these outcomes were not affected by omentectomy, preoperative diabetes, or remission of diabetes. Hepatic glucose production (HGP) and the hepatic insulin sensitivity index improved in all subjects, irrespective of omentectomy (P ≤ 0.001). Participants with diabetes had higher baseline HGP values (P = 0.003) that improved to a greater extent after RYGB (P = 0.006). Of the 17 participants with diabetes, 10 (59%) had remission at 1 month. Diabetes remission had a group × time effect (P = 0.041) on HGP; those with diabetes remission had lower preoperative and postoperative HGP. Peripheral insulin sensitivity did not improve 1 month after RYGB, irrespective of omentectomy, diabetes, or diabetes remission. Hepatic insulin sensitivity improved at 1 month after RYGB and was more pronounced in patients with diabetes. Improvement in HGP may influence diabetes remission early after RYGB.
doi_str_mv 10.2337/dc11-1383
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Participants with diabetes had higher baseline HGP values (P = 0.003) that improved to a greater extent after RYGB (P = 0.006). Of the 17 participants with diabetes, 10 (59%) had remission at 1 month. Diabetes remission had a group × time effect (P = 0.041) on HGP; those with diabetes remission had lower preoperative and postoperative HGP. Peripheral insulin sensitivity did not improve 1 month after RYGB, irrespective of omentectomy, diabetes, or diabetes remission. Hepatic insulin sensitivity improved at 1 month after RYGB and was more pronounced in patients with diabetes. 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Participants with diabetes had higher baseline HGP values (P = 0.003) that improved to a greater extent after RYGB (P = 0.006). Of the 17 participants with diabetes, 10 (59%) had remission at 1 month. Diabetes remission had a group × time effect (P = 0.041) on HGP; those with diabetes remission had lower preoperative and postoperative HGP. Peripheral insulin sensitivity did not improve 1 month after RYGB, irrespective of omentectomy, diabetes, or diabetes remission. Hepatic insulin sensitivity improved at 1 month after RYGB and was more pronounced in patients with diabetes. Improvement in HGP may influence diabetes remission early after RYGB.</abstract><cop>Alexandria, VA</cop><pub>American Diabetes Association</pub><pmid>22040841</pmid><doi>10.2337/dc11-1383</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record>
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subjects Adult
Biological and medical sciences
Blood Glucose - metabolism
Diabetes
Diabetes Mellitus, Type 2 - surgery
Diabetes. Impaired glucose tolerance
Endocrine pancreas. Apud cells (diseases)
Endocrinopathies
Etiopathogenesis. Screening. Investigations. Target tissue resistance
Female
Gastric Bypass
Gastrointestinal surgery
Glucose Clamp Technique
Humans
Insulin
Insulin Resistance
Liver - metabolism
Male
Medical sciences
Metabolic diseases
Middle Aged
Miscellaneous
Obesity - surgery
Omentum - surgery
Original Research
Public health. Hygiene
Public health. Hygiene-occupational medicine
Remission Induction
Treatment Outcome
Type 2 diabetes
Weight control
Weight Loss
title Hepatic and Peripheral Insulin Sensitivity and Diabetes Remission at 1 Month After Roux-en-Y Gastric Bypass Surgery in Patients Randomized to Omentectomy
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