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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/46217
Title: Fragmented QRS and mortality in patients undergoing percutaneous intervention for ST-elevation myocardial infarction: Systematic review and meta-analysis
Authors: Napatt Kanjanahattakij
Pattara Rattanawong
Tanawan Riangwiwat
Narut Prasitlumkum
Nath Limpruttidham
Pakawat Chongsathidkiet
Wasawat Vutthikraivit
Erin Crossey
Duke University Medical Center
Texas Tech University Health Sciences Center at Lubbock
Faculty of Medicine, Ramathibodi Hospital, Mahidol University
University of Hawaii at Manoa
Einstein Medical Center
Keywords: Medicine
Issue Date: 1-Nov-2018
Citation: Annals of Noninvasive Electrocardiology. Vol.23, No.6 (2018)
Abstract: © 2018 Wiley Periodicals, Inc. Background: Fragmented QRS reflects disturbances in the myocardium predisposing the heart to ventricular tachyarrhythmias. Recent studies suggest that fragmented QRS (fQRS) is associated with mortality in ST-elevation myocardial infarction (STEMI) patients who underwent percutaneous coronary intervention (PCI). However, a systematic review and meta-analysis of the literature has not been done. We assessed the association between fQRS and overall mortality in STEMI patients who subsequently underwent PCI by a systematic review and meta-analysis. Methods: We comprehensively searched the databases of MEDLINE and EMBASE from inception to September 2017. Studies included in our analysis were published cohort (prospective or retrospective) and case–control studies that compared overall mortality among STEMI patient with and without fQRS who underwent PCI. Data from each study were combined using the random-effects, generic inverse variance method of DerSimonian, and Laird to calculate risk ratios and 95% confidence intervals. Results: Six studies from 2014 to 2017 were included in this meta-analysis involving 2,516 subjects with STEMI who underwent PCI (888 fQRS and 1,628 non-fQRS). Fragmented QRS was associated with overall mortality in STEMI patients who underwent PCI (pooled risk ratio = 3.87; 95% CI 1.96–7.66, I 2  = 43%). Conclusion: Fragmented QRS was associated with increased overall mortality up to threefold. Our study suggests that fQRS could be an important tool for risk assessment in STEMI patients who underwent PCI.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85055873130&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/46217
ISSN: 1542474X
1082720X
Appears in Collections:Scopus 2018

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