Abstract:
BACKGROUND AND PURPOSE:Chronic kidney disease may increase the risk for ischemic stroke or systemic embolism in patients with nonvalular atrial fibrillation (AF). We conducted a meta-analysis to summarize all published studies to investigate the link between chronic kidney disease and risk of thromboembolic events in AF. METHODS:We performed a literature search using MEDLINE (source PubMed, 1966 to July, 2014) and EMBASE (1980 to July 2014) with no restrictions. Pooled effect estimates were obtained by using random-effects meta-analysis. RESULTS:Eighteen studies involving 538 479 patients and 41 719 incident thromboembolic events were identified. From the pooled analysis, AF patients with estimated glomerular filtration rate <60 mL/min compared with those with estimated glomerular filtration rate ≥60 mL/min experienced a significantly increased risk for developing thromboembolic events (relative risk, 1.62 [95% confidence interval, 1.40-1.87; P<0.001]). The annual rate of thromboembolic events increased by 0.41% (95% confidence interval, 0.17%-0.65%) for a 10 mL/min decrease in renal function. Addition of renal impairment to CHADS2 slightly improved the stroke risk stratification. CONCLUSIONS:Impaired renal function is an independent predictor of stroke or systemic embolism in patients with nonvalvular AF. Consideration of renal function may improve stroke risk stratification in patients with AF.
journal_name
Strokejournal_title
Strokeauthors
Zeng WT,Sun XT,Tang K,Mei WY,Liu LJ,Xu Q,Cheng YJdoi
10.1161/STROKEAHA.114.006881subject
Has Abstractpub_date
2015-01-01 00:00:00pages
157-63issue
1eissn
0039-2499issn
1524-4628pii
STROKEAHA.114.006881journal_volume
46pub_type
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