期刊
CANADIAN JOURNAL OF CARDIOLOGY
卷 22, 期 10, 页码 841-847出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/S0828-282X(06)70302-6
关键词
cardiovascular medical therapy; coronary artery bypass graft; discharge; secondary prevention
INTRODUCTION: Secondary prevention is needed following coronary artery bypass graft (CABG) Surgery to reduce the subsequent risk of unstable angina, myocardial infarction and death. However, little research exists on the use of cardiovascular medical therapy in CABO surgery patients. The objective of the present study is to describe the use of cardiovascular medical therapy among patients discharged after CABO surgery. METHODS: The use of acetylsalicylic acid, clopidogrel, warfarin, antilipid agents, beta-blockers, calcium channel blockers, nitrates and angiotensin-converting enzyme (ACE) inhibitors was examined among 320 patients enrolled in the Routine versus Selective Exercise Treadmill Testing After Coronary Artery Bypass Graft Surgery (ROSETTA-CABO) Registry. Logistic regression identified the determinants of medication use at 12 months following CABO surgery. RESULTS: Most patients were male, hyperlipidemic and underwent CABO surgery for relief of angina symptoms. At admission, discharge and at 12 months, acetylsalicylic acid was used in 71%, 92% and 87% of cases, respectively, and some form of antiplatelet agent was used in 74%, 94% and 89% of cases, respectively. The use of antilipid agents remained constant, from 55% at admission to 57% at discharge. However, 24% of patients were not receiving antilipid agents at 12 months. The use of beta-blockers was 57% at admission, 71% at discharge and 64% at 12 months. The use of calcium channel blockers and nitrates decreased modestly from admission to discharge and remained stable at approximately 20% and 22%, respectively, at 12 months. ACE inhibitor use remained stable, from 33% at admission to 38% at 12-months. Hyperlipidemia, hypertension, obesity and pre-CABG surgery left ventricular ejection fraction less than 40% were all found to be important determinants of 12-month medication use. Importantly, the use at discharge was an important determinant of 12-month use of for each medication examined in the present study. CONCLUSIONS: The use of antilipid agents, beta-blockers and ACE inhibitors was found to be too low among post-CABG surgery patients, who are known to benefit from their use, and the use of nitrates was too high. Discharge from hospital provides a unique opportunity for physicians to modify the use of cardiovascular medical therapy among patients undergoing CABO surgery.
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