Are users of sulphonylureas at the time of an acute coronary syndrome at risk of poorer outcomes?

被引:16
作者
Nagendran, J. [1 ,2 ]
Oudit, G. Y. [2 ,3 ]
Bakal, J. A. [4 ,5 ]
Light, P. E. [6 ]
Dyck, J. R. B. [2 ,6 ,7 ]
McAlister, F. A. [4 ,5 ]
机构
[1] Univ Alberta, Mazankowski Alberta Heart Inst, Dept Surg, Div Cardiac Surg, Edmonton, AB T6G 2R7, Canada
[2] Univ Alberta, Mazankowski Alberta Heart Inst, Fac Med & Dent, Cardiovasc Res Ctr, Edmonton, AB T6G 2R7, Canada
[3] Univ Alberta, Mazankowski Alberta Heart Inst, Fac Med & Dent, Div Cardiol,Dept Med, Edmonton, AB T6G 2R7, Canada
[4] Univ Alberta, Div Gen Internal Med, Dept Med, Edmonton, AB T6G 2R7, Canada
[5] Univ Alberta, Patient Hlth Outcomes Res & Clin Effectiveness Un, Dept Med, Edmonton, AB T6G 2R7, Canada
[6] Univ Alberta, Dept Pharmacol, Edmonton, AB T6G 2R7, Canada
[7] Univ Alberta, Dept Pediat, Edmonton, AB T6G 2R7, Canada
关键词
cardiovascular disease; diabetes mellitus; sulphonylureas; K-ATP CHANNELS; GLUCOSE-LOWERING TREATMENT; MYOCARDIAL-INFARCTION; DIABETES-MELLITUS; CARDIOVASCULAR EVENTS; DRUGS; MORTALITY; IMPACT; INTERVENTION; GLICLAZIDE;
D O I
10.1111/dom.12126
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
AimsAdenosine triphosphate sensitive potassium (K-ATP) channel activity is cardioprotective during ischaemia. One of the purported mechanisms for sulphonylurea adverse effects is through inhibition of these channels. The purpose of this study is to examine whether patients using K-ATP channel inhibitors at the time of an acute coronary syndrome are at greater risk of death or heart failure (HF) than those not exposed. MethodsUsing linked administrative databases we identified all adults who had an acute coronary syndrome between April 2002 and October 2006 (n=21 023). ResultsWithin 30days of acute coronary syndrome, 5.3% of our cohort died and 15.6% were diagnosed with HF. Individuals with diabetes exhibited significantly higher risk of death (adjusted OR: 1.20, 95% CI: 1.03-1.40) and death or HF (aOR: 1.73, 95% CI: 1.59-1.89) than individuals without diabetes. However, there was no significantly increased risk of death (aOR: 1.00, 95% CI: 0.76-1.33) or death/HF (aOR: 1.06, 95% CI: 0.89-1.26) in patients exposed to K-ATP channel inhibitors versus patients not exposed to K-ATP channel inhibitors prior to their acute coronary syndrome. ConclusionsDiabetes is associated with an increased risk of death or HF within 30days of an acute coronary syndrome. However, we did not find any excess risk of death or HF associated with use of K-ATP channel inhibitors at the time of an acute coronary syndrome, raising doubts about the hypothesis that sulphonylureas inhibit the cardioprotective effects of myocardial K-ATP channels.
引用
收藏
页码:1022 / 1028
页数:7
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