Risk of Ischemic Stroke in Patients with End-Stage Renal Disease Receiving Peritoneal Dialysis with New-Onset Atrial Fibrillation

Yin-Hao Lee, Yung-Tai Chen, Chun-Chin Chang, Chien-Yi Hsu, Yu-Wen Su, Szu-Yuan Li, Chin-Chou Huang, Hsin-Bang Leu, Po-Hsun Huang, Jaw-Wen Chen, Shing-Jong Lin

Research output: Contribution to journalArticle

Abstract

BACKGROUND: The clinical effect of atrial fibrillation (AF)-related ischemic cardiovascular events in patients undergoing peritoneal dialysis (PD) remains uncertain. This study aimed to investigate the risk of ischemic events in patients undergoing PD with new-onset AF compared with that in patients without AF and ascertain the association between the CHA2DS2-VASc score and risk of ischemic stroke.

METHODS: This nationwide, population-based cohort study used data from Taiwan's National Health Insurance Research Database from 1998 to 2011 for patients receiving PD with or without new-onset AF. The clinical endpoints included ischemic stroke, all-cause death, and in-hospital cardiovascular death.

RESULTS: Patients undergoing PD with new-onset AF (n=505) had significantly higher risks of ischemic stroke [adjusted hazard ratio (aHR), 1.98; 95% confidence interval (CI), 1.40-2.80], all-cause death (aHR, 1.61; 95% CI, 1.40-1.85), and in-hospital cardiovascular death (aHR, 1.82; 95% CI, 1.50.2.21) compared with those in patients undergoing PD without AF. After considering in-hospital death as a competing risk, AF remained associated with an increased risk of ischemic stroke [hazard ratio (HR), 1.67; 95% CI, 1.17-2.37]. The CHA2DS2-VASc score was associated with the risk of ischemic stroke (HR, 1.28; 95% CI, 1.12-1.46).

CONCLUSION: The risks of ischemic stroke, all-cause death, and in-hospital cardiovascular death were significantly higher in patients undergoing PD with AF than those in patients without AF. The CHA2DS2-VASc score remained associated with the risk of ischemic stroke in patients undergoing PD with AF.

Original languageEnglish
JournalJournal of the Chinese Medical Association : JCMA
DOIs
Publication statusE-pub ahead of print - Aug 20 2020

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