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dc.contributor.authorChanavuth Kanitsoraphanen_US
dc.contributor.authorPattara Rattanawongen_US
dc.contributor.authorPoemlarp Mekraksakiten_US
dc.contributor.authorPakawat Chongsathidkieten_US
dc.contributor.authorTanawan Riangwiwaten_US
dc.contributor.authorNapatt Kanjanahattakijen_US
dc.contributor.authorWasawat Vutthikraiviten_US
dc.contributor.authorSaranapoom Klomjiten_US
dc.contributor.authorSubhanudh Thavaraputtaen_US
dc.contributor.otherDuke University Medical Centeren_US
dc.contributor.otherTexas Tech University Health Sciences Center at Lubbocken_US
dc.contributor.otherFaculty of Medicine, Ramathibodi Hospital, Mahidol Universityen_US
dc.contributor.otherUniversity of Hawaii at Manoaen_US
dc.contributor.otherFaculty of Medicine, Siriraj Hospital, Mahidol Universityen_US
dc.contributor.otherPhramongkutklao College of Medicineen_US
dc.contributor.otherEinstein Medical Centeren_US
dc.identifier.citationAnnals of Noninvasive Electrocardiology. Vol.24, No.2 (2019)en_US
dc.description.abstract© 2018 Wiley Periodicals, Inc. Background: Recent studies suggested that fragmented (fQRS) is associated with poor clinical outcomes in heart failure with reduced ejection fraction (HFrEF) patients. However, no systematic review or meta-analysis has been done. We conducted a systematic review and meta-analysis to assess the association between baseline fQRS and all-cause mortality in HFrEF. Methods: We comprehensively reviewed the databases of MEDLINE and EMBASE from inception to February 2018. Published studies of HFrEF that reported fQRS and outcome of all-cause mortality and major arrhythmic event (sudden cardiac death, sudden cardiac arrest, ventricular fibrillation, or sustained ventricular tachycardia) were included. Data were integrated using the random-effects, generic inverse-variance method of DerSimonian and Laird. Results: Ten studies from 2010 to 2017 were included. Baseline fQRS was associated with increased all-cause mortality (risk ratio [RR] 1.63, 95% confidence interval [CI] 1.22–2.19, p < 0.0001, I 2  = 73%) as well as major arrhythmic events (RR = 1.74, 95% CI 1.09–2.80, I 2  = 89%). Baseline fQRS increased all-cause mortality in both Asian and Caucasian cohorts (RR = 2.17 with 95% CI 1.33–3.55 and RR = 1.45 with 95% CI 1.05–1.99, respectively) as well as increased major arrhythmic events in Asian cohort (RR = 1.50, 95% CI 1.05–2.13). Baseline fQRS also increased all-cause mortality in patients who had not received implantable cardioverter-defibrillator, significantly more than in patients who had received implantable cardioverter-defibrillator (RR = 2.46 with 95% CI 1.56–3.89 and 1.36 with 95% CI 1.08–1.71, respectively). Conclusion: Baseline fQRS is associated with increased all-cause mortality up to 1.63-fold in HFrEF patients. Fragmented QRS could be a predictor of clinical outcome in patients with HFrEF.en_US
dc.rightsMahidol Universityen_US
dc.titleBaseline fragmented QRS is associated with increased all-cause mortality in heart failure with reduced ejection fraction: A systematic review and meta-analysisen_US
Appears in Collections:Scopus 2019

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