SGLT2 Inhibitors Increase the Risk of Diabetic Ketoacidosis Developing in the Community and During Hospital Admission.
2019
Context Diabetic ketoacidosis (DKA) has been associated with the use of sodium glucose cotransporter 2 inhibitors (SGLT2is). Objective To determine the incidence, characteristics, and outcomes of DKA in SGLT2i users vs nonusers with type 2 diabetes. Design Retrospective, multicenter, controlled cohort study. Setting All public hospitals in Melbourne and Geelong (combined population of 5 million), Australia, from 1 September 2015 to 31 October 2017. Patients Consecutive cases of DKA that developed in the community, or during the course of hospital admission, in patients with type 2 diabetes Main Outcome Measures In SGLT2i users vs nonusers: (i) OR of DKA developing during hospital admission, and (ii) incidence of DKA. Results There were 162 cases of DKA (37 SGLT2i users and 125 non-SGLT2i users) with a physician-adjudicated diagnosis of type 2 diabetes. Of these, DKA developed during the course of inpatient admission in 14 (38%) SGLT2i users vs 2 (2%) non-SGLT2i users (OR, 37.4; 95% CI, 8.0 to 175.9; P Conclusions SGLT2i users were more likely to develop DKA as an inpatient compared with non-SGLT2i users. SGLT2i use was associated with a small but significant increased risk of DKA.
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