Association of Metformin and Abdominal Aortic Aneurysm Repair Outcomes.

Ann Vasc Surg

Dept of Surgery, 4(th) Military Teaching Hospital, Wroclaw, Poland; Division of Oncology and Palliative Care, Department of Clinical Nursing, Faculty of Health Science, Wroclaw Medical University, Wroclaw, Poland.

Published: August 2021

Background: Metformin is a commonly used drug in diabetes mellitus treatment. Recently it has been suggested that the use of metformin on diabetes mellitus patients may lower the prevalence and slow the progression of AAA (abdominal aortic aneurysm) as well as the risk of rupture related mortality. The aim of this studywas to investigate the impact of metformin treatment on the risk of AAA repair related mortality and surgical complications.

Methods: In this retrospective study, the clinical data of 306 patients, including 77 patients with diabetes mellitus, who underwent abdominal aortic aneurysm repair has been analyzed. Treatment outcomes have been investigated. The diabetes and metformin prescription status has been obtained from the medical history. Patients were divided into three groups: diabetes-free individuals, diabetics treated with metformin and diabetics treated with other glucose lowering drugs. The association between metformin treatment and AAA diameter, surgical complications and mortality were assessed using chi-square independence test and odds ratio analysis. In order to assess which factors are influencing AAA repair related complications and mortality a multi-variables analysis has been performed.

Results: A significant protective effect of metformin treatment towards AAA repair related mortality (P = 0.019) and complications (P = 0.032) among patients suffering from diabetes mellitus was revealed. These findings were statistically insignificant when considering all groups of patients (diabetes-free individuals, diabetics treated with metformin and diabetics treated with other glucose lowering drugs).

Conclusion: Metformin may lower the risk of AAA repair related mortality and surgical complications among patients with diabetes.

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Source
http://dx.doi.org/10.1016/j.avsg.2021.02.048DOI Listing

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