The Impact of Bariatric Surgery on Incident Microvascular Complications in Patients With Type 2 Diabetes: A Matched Controlled Population-Based Retrospective Cohort Study

Abstract

To assess the impact of bariatric surgery (BS) on incident microvascular complications of diabetes-related foot disease (DFD), sight-threatening diabetic retinopathy (STDR), and chronic kidney disease (CKD) in patients with type 2 diabetes and obesity. A retrospective matched, controlled population-based cohort study was conducted of adults with type 2 diabetes between 1 January 1990 and 31 January 2018 using IQVIA Medical Research Data (IMRD), a database of primary care electronic records. Each patient with type 2 diabetes who subsequently had BS (surgical group) was matched on the index date with up to two patients with type 2 diabetes who did not have BS (nonsurgical group) within the same general practice by age, sex, preindex BMI, and diabetes duration. Included were 1,126 surgical and 2,219 nonsurgical participants. In the study population 2,261 (68%) were women. Mean (SD) age was 49.87 (9.3) years vs. 50.12 (9.3) years and BMI was 46.76 (7.96) kg/m vs. 46.14 (7.49) kg/m in the surgical versus nonsurgical group, respectively. In the surgical group, 22.1%, 22.7%, 52.2%, and 1.1% of patients had gastric band, sleeve gastrectomy, Roux-en-Y gastric bypass (RYGB), and duodenal switch, respectively. Over a median follow-up of 3.9 years (interquartile range 1.8-6.4), BS was associated with reduction in incident combined microvascular complications (adjusted hazard ratio 0.53, 95% CI 0.43-0.66, <0.001), DFD (0.61, 0.50-0.75, <0.001), STDR (0.66, 0.44-1.00, = 0.048), and CKD (0.63, 0.51-0.78, <0.001). Analysis based on the type of surgery showed that all types of surgery were associated with a favorable impact on the incidence of composite microvascular complications, with the greatest reduction for RYGB. BS was associated with a significant reduction in incident diabetes-related microvascular complications. [Abstract copyright: © 2020 by the American Diabetes Association.]

Publication DOI: https://doi.org/10.2337/figshare.13075748
Divisions: College of Health & Life Sciences > School of Biosciences
College of Health & Life Sciences
College of Health & Life Sciences > Chronic and Communicable Conditions
Additional Information: © 2020 by the American Diabetes Association https://www.diabetesjournals.org/content/license Readers may use this article as long as the work is properly cited, the use is educational and not for profit, and the work is not altered. More information is available at https://www.diabetesjournals.org/content/license.
Publication ISSN: 1935-5548
Last Modified: 19 Mar 2024 08:23
Date Deposited: 28 Jan 2021 08:33
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Related URLs: https://care.di ... ontent/44/1/116 (Publisher URL)
PURE Output Type: Article
Published Date: 2020-12-21
Published Online Date: 2020-11-10
Accepted Date: 2020-10-07
Submitted Date: 2020-03-19
Authors: Singh, Pushpa
Adderley, Nicola
Subramanian, Anuradhaa
Gokhale, Krishna
Singhal, Rishi
Toulis, Konstantinos A
Bellary, Srikanth (ORCID Profile 0000-0002-5924-5278)
Nirantharakumar, Krishnarajah
Tahrani, Abd A

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