• Yong Peng, Tian-Li Xia, Fang-Yang Huang, Bao-Tao Huang, Wei Liu, Hua Chai, Zhen-Gang Zhao, Chen Zhang, Yan-Biao Liao, Xiao-Bo Pu, Shi-Jian Chen, Qiao Li, Yuan-Ning Xu, Yang Luo, Mao Chen, and De-Jia Huang.
• From the Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China.
• Medicine (Baltimore). 2016 Feb 1; 95 (6): e2740e2740.

AbstractThe purpose of this study was to discuss the present situation of discharge medications in coronary artery disease (CAD) patients with different levels of renal function and assess the potential impact of these medications on the prognosis of this patient population.A retrospective cohort study was conducted. From July 2008 to Jan 2012, consecutive patients with CAD confirmed by coronary angiography of West China Hospital were enrolled and were grouped into 3 estimated glomerular filtration rate (eGFR) categories: ≥60, 30 to 60, and <30 mL/min/1.73 m. The endpoints were all-cause mortality and cardiac mortality.There are 3002 patients according to the inclusion criteria and follow-up requirement. The mean follow-up time was 29.1 ± 12.5 months. CAD patients with worse renal function included more cardiovascular risk factors (advanced age, history of hypertension or diabetes, and diagnosis of acute myocardial infarction). The cumulative survival curves of the patients according to renal function showed that the eGFR <30 mL/min and 30 mL/min ≤ eGFR <60 mL/min groups had a significantly higher risk of all-cause death and cardiovascular death than the group with an eGFR ≥60 mL/min. The prescription of evidence-based medicines (EBMs) at discharge (antiplatelet agents, beta-blockers, statins, and angiotensin-converting enzyme inhibitors [ACEIs] or angiotensin-receptor blockers [ARBs]) was a factor in reducing the risk of all-cause death and cardiovascular death. However, EBMs prescribed at discharge revealed an obvious underuse in renal insufficiency (RI) patients. The results of Cox regression showed that irrespective of the eGFR level, greater use of EBMs resulted in a greater reduction in the risk of all-cause death and cardiovascular death.A higher percentage of patients with CAD and concomitant RI suffered from cardiovascular disease (CVD) risk factors, whereas a lower percentage of these patients used EBMs to prevent CVD events. Strict use of EBMs, including beta-blockers, statins, and ACEIs or ARBs, can lead to more clinical benefits, even for patients with CAD and concomitant RI. Thus, treatment of this patient population with EBMs should be stressed.

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