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

Pushpa Singh; Nicola Adderley; Anuradhaa Subramanian; Krishna Gokhale; Rishi Singhal; Konstantinos A Toulis; Srikanth Bellary; Krishnarajah Nirantharakumar; Abd A Tahrani

doi:10.2337/dc20-0571

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

Pushpa Singh, Nicola Adderley, Anuradhaa Subramanian, Krishna Gokhale, Rishi Singhal, Konstantinos A Toulis, Srikanth Bellary, Krishnarajah Nirantharakumar, Abd A Tahrani

Research output: Contribution to journal › Article › peer-review

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.]

Original language	English
Pages (from-to)	116-124
Journal	Diabetes Care
Volume	44
Issue number	1
Early online date	10 Nov 2020
DOIs	https://doi.org/10.2337/dc20-0571
Publication status	Published - 21 Dec 2020

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© 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.

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The_impact_of_bs_on_DM_microvascular_complications
© 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.
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Singh, P., Adderley, N., Subramanian, A., Gokhale, K., Singhal, R., Toulis, K. A., Bellary, S., Nirantharakumar, K., & Tahrani, A. A. (2020). The Impact of Bariatric Surgery on Incident Microvascular Complications in Patients With Type 2 Diabetes: A Matched Controlled Population-Based Retrospective Cohort Study. Diabetes Care, 44(1), 116-124. https://doi.org/10.2337/dc20-0571

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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: {\textcopyright} 2020 by the American Diabetes Association.]",

author = "Pushpa Singh and Nicola Adderley and Anuradhaa Subramanian and Krishna Gokhale and Rishi Singhal and Toulis, {Konstantinos A} and Srikanth Bellary and Krishnarajah Nirantharakumar and Tahrani, {Abd A}",

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Singh, P, Adderley, N, Subramanian, A, Gokhale, K, Singhal, R, Toulis, KA, Bellary, S, Nirantharakumar, K & Tahrani, AA 2020, 'The Impact of Bariatric Surgery on Incident Microvascular Complications in Patients With Type 2 Diabetes: A Matched Controlled Population-Based Retrospective Cohort Study', Diabetes Care, vol. 44, no. 1, pp. 116-124. https://doi.org/10.2337/dc20-0571

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AU - Singh, Pushpa

AU - Adderley, Nicola

AU - Subramanian, Anuradhaa

AU - Gokhale, Krishna

AU - Singhal, Rishi

AU - Toulis, Konstantinos A

AU - Bellary, Srikanth

AU - Nirantharakumar, Krishnarajah

AU - Tahrani, Abd A

N1 - © 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.

PY - 2020/12/21

Y1 - 2020/12/21

N2 - 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.]

AB - 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.]

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

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