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- Title
Effect of sodium-glucose co-transporter-2 inhibitors on impaired ventricular repolarization in people with Type 2 diabetes.
- Authors
Sato, T.; Miki, T.; Ohnishi, H.; Yamashita, T.; Takada, A.; Yano, T.; Tanno, M.; Tsuchida, A.; Miura, T.
- Abstract
Aims To test the hypothesis that treatment with a sodium-glucose co-transporter-2 inhibitor would reverse ventricular repolarization heterogeneity, a predictor of cardiovascular mortality, in people with Type 2 diabetes. Methods We retrospectively analysed changes in indices of ventricular repolarization before and after treatment with a sodium-glucose co-transporter-2 inhibitor in 46 people with Type 2 diabetes. Results Sodium-glucose co-transporter-2 inhibitor treatment reduced HbA1c concentration [62±13 mmol/mol (7.7±1.2%) vs 59±16 mmol/mol (7.5±1.4%)], body weight (77.8±13.9 vs 74.7±12.5 kg) and systolic blood pressure (133±18 vs 126±12 mmHg) in the study participants. Heart rate and QTc interval were not changed by sodium-glucose co-transporter-2 inhibitor treatment, but QTc dispersion was significantly reduced (median, 48.8 vs 44.2 ms). Sodium-glucose co-transporter-2 inhibitor treatment reversed QTc dispersion more in participants who had larger QTc dispersion before the treatment. Changes in systolic blood pressure (Spearman's ρ= 0.319; P=0.031), but not in HbA1c concentration, were correlated with changes in QTc dispersion after sodium-glucose co-transporter-2 inhibitor treatment. Conclusions The findings suggest that sodium-glucose co-transporter-2 inhibitor treatment reverses ventricular repolarization heterogeneity in people with Type 2 diabetes, independently of its effect on glycaemic control. The favourable effect on ventricular repolarization heterogeneity could be the mechanism by which empaglifozin reduced cardiovascular events in a recent study.
- Subjects
CARDIOVASCULAR disease related mortality; HEART ventricles; TYPE 2 diabetes treatment; BLOOD pressure; BODY weight; PEOPLE with diabetes; ELECTROCARDIOGRAPHY; GLYCOSYLATED hemoglobin; HEART beat; PROGNOSIS; RESEARCH funding; STATISTICS; DATA analysis; RETROSPECTIVE studies; DATA analysis software; DESCRIPTIVE statistics; GLYCEMIC control; SODIUM-glucose cotransporters; THERAPEUTICS; PHYSIOLOGY
- Publication
Diabetic Medicine, 2017, Vol 34, Issue 10, p1367
- ISSN
0742-3071
- Publication type
Article
- DOI
10.1111/dme.13424