Abstract:
BACKGROUND:Statins have been shown to be beneficial in primary and secondary prevention settings; however, their role in the elderly remains a clinical conundrum, given that age-related factors could alter the risk-benefit ratio of statin treatment. This study aimed to critically evaluate the efficacy and safety of statins for primary prevention of cardiovascular disease (CVD) in the elderly. METHODS:We systematically reviewed randomized controlled trials comparing any statins with placebo or usual care for primary prevention of CVD in subjects aged ≥65 years. Relative risks (RRs) using a random effects model were calculated and sensitivity analyses were performed to assess the robustness of findings. RESULTS:Eight studies (n = 25,952) were included in the meta-analysis. Statins significantly reduced the risks of composite major adverse cardiovascular events (RR 0.82, 95% CI 0.74-0.92), nonfatal myocardial infarction [MI] (0.75, 0.59-0.94) and total MI (0.74, 0.61-0.90). Treatment effects of statins were statistically insignificant in fatal MI (0.43, 0.09-2.01), stroke (fatal: 0.76, 0.24-2.45; nonfatal: 0.76, 0.53-1.11; total: 0.85, 0.68-1.06) and all-cause mortality (0.96, 0.88-1.04). Significant differences were not observed in myalgia (0.88, 0.69-1.13), elevation of hepatic transaminases (0.98, 0.71-1.34), new-onset diabetes (1.07, 0.77-1.48), serious adverse events (1.00, 0.97-1.04) and discontinuation due to adverse events (1.10, 0.85-1.42). The occurrence of myopathy, rhabdomyolysis and cognitive impairment was largely unreported in the included trials. CONCLUSIONS:From a risk-benefit perspective, there is a role of statins for the primary prevention of major adverse cardiovascular events in elderly patients. Further studies are needed to ascertain the benefits of statins on fatal MI, stroke and all-cause mortality.
journal_name
Drugs Agingjournal_title
Drugs & agingauthors
Teng M,Lin L,Zhao YJ,Khoo AL,Davis BR,Yong QW,Yeo TC,Lim BPdoi
10.1007/s40266-015-0290-9subject
Has Abstractpub_date
2015-08-01 00:00:00pages
649-61issue
8eissn
1170-229Xissn
1179-1969journal_volume
32pub_type
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