Metformin-associated lactic acidosis: A case reporting a serious complication in the perioperative period
Abstract
The worldwide prevalence of diabetes mellitus (DM) has risen dramatically over the past two decades and this affects 10-15% of the surgical population1. Metformin represents the mainstay of anti-hyperglycaemic therapy for type 2 DM, providing numerous beneficial effects. However, a rare but severe adverse effect is the development of metformin-associated lactic acidosis (MALA) with high mortality rate. We describe a severe case of MALA in the postoperative period that culminated in cardiac arrest. Whereby anaesthetists should be knowledgeable and skilled in the care of patients with diabetes being imperative to focus on preoperative assessment, optimisation, management of pre-existing treatment during the starvation period and identification of patients medicated with metformin at risk of developing MALA.
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