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Non-responders Afte...
Non-responders After Gastric Bypass Surgery for Morbid Obesity : Peptide Hormones and Glucose Homeostasis
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- Sima, Eduardo, Ph.D. 1975- (författare)
- Uppsala universitet,Gastrointestinalkirurgi
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- Webb, Dominic-Luc (författare)
- Uppsala universitet,Gastroenterologi/hepatologi
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- Hellström, Per M., 1954- (författare)
- Uppsala universitet,Gastroenterologi/hepatologi
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- Sundbom, Magnus (författare)
- Uppsala universitet,Gastrointestinalkirurgi
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(creator_code:org_t)
- 2019-07-22
- 2019
- Engelska.
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Ingår i: Obesity Surgery. - : Springer Science and Business Media LLC. - 0960-8923 .- 1708-0428. ; 29:12, s. 4008-4017
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
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- INTRODUCTION: About 20% of patients operated with Roux-en-Y gastric bypass (RYGBP) experience poor long-term weight result. This study compared levels of leptin and gut hormones in long-term weight responders with non-responders after RYGBP. In a subgroup analysis, hormone levels were assessed in T2DM (type 2 diabetes mellitus) and normoglycemic participants.METHODS: Insulin, glucose, leptin, acyl-ghrelin, total PYY, active GLP-1, and GIP were measured during an oral glucose tolerance test (OGTT) in post-RYGBP subjects: 22 non-responders (BMI 40.6 ± 6.0 kg/m2 after an excess BMI loss [EBMIL] of 26.0 ± 15.9%) and 18 responders (BMI 29.5 ± 3.5 kg/m2 after an EBMIL of 74.9 ± 18.2%). Subjects were matched for preoperative age, BMI, and years of follow-up. Measures of glucose homeostasis were calculated, and body composition was measured.RESULTS: Fat mass-adjusted fasting leptin correlated negatively with %EBMIL (r = - 0.57, p < 0.01). Non-responders presented higher levels of leptin during the OGTT. Leptin decreased and ghrelin returned to baseline levels earlier in non-responders. Despite having higher insulin resistance than responders, non-responders demonstrated similar OGTT responses of GLP-1, GIP, and PYY. T2DM participants demonstrated lower GLP-1 levels than normoglycemic participants of similar weight.CONCLUSION: Fasting leptin is associated with weight result after RYGBP, and hormonal responses to a glucose oral load might work towards promoting obesity in long-term non-responders after RYGBP. Poor long-term weight result and glycemic status after RYGBP are each associated with differences in peptide hormone levels.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Gastroenterologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Gastroenterology and Hepatology (hsv//eng)
Nyckelord
- Gastric bypass
- Incretins
- Leptin
- Long-term results
- Weight loss
- Medicinsk vetenskap
- Medical Science
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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