Frontal QRS/T angle can predict mortality in COVID-19 patients

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dc.authoridusalp, songul/0000-0001-9572-5431
dc.authorscopusid57190382986
dc.authorscopusid55149809000
dc.authorscopusid57199652078
dc.authorscopusid55834975900
dc.authorscopusid57222511946
dc.authorscopusid57202391627
dc.authorscopusid56188504000
dc.authorwosidusalp, songul/AAN-7505-2020
dc.contributor.authorGunduz, Ramazan
dc.contributor.authorYildiz, Bekir Serhat
dc.contributor.authorOzgur, Su
dc.contributor.authorOzen, Mehmet Burak
dc.contributor.authorBakir, Eren Ozan
dc.contributor.authorOzdemir, Ibrahim Halil
dc.contributor.authorCetin, Nurullah
dc.date.accessioned2023-01-12T19:54:21Z
dc.date.available2023-01-12T19:54:21Z
dc.date.issued2022
dc.departmentN/A/Departmenten_US
dc.description.abstractAims: The frontal QRS-T (fQRS) angle has been investigated in the general population, including healthy people and patients with heart failure. The fQRS angle can predict mortality due to myocarditis, ischaemic and nonischaemic cardiomyopathies, idiopathic dilated cardiomyopathy, and chronic heart failure in the general population. Moreover, no studies to date have investigated fQRS angle in coronavirus disease 2019 (COVID-19) patients. Thus, the purpose of this retrospective multicentre study was to evaluate the fQRS angle of COVID-19 patients to predict in-hospital mortality and the need for mechanical ventilation.Methods and results: An electrocardiogram was performed for 327 COVID-19 patients during admission, and the fQRS angle was calculated. Mechanical ventilation was needed in 119 patients; of them, 110 died in the hospital. The patients were divided into two groups according to an fQRs angle >90 degrees versus an fQRS angle <_90 degrees. The percentages of mortality and the need for mechanical ventilation according to fQRS angle were 67.8% and 66.1%, respectively, in the fQRs >90 degrees group and 26.1% and 29.9% in the fQRS <_90 degrees group. Heart rate, oxygen saturation, fQRS angle, estimated glomerular filtration rate, and C-reactive protein level were predictors of mortality on the multivariable analysis. The mortality risk increased 2.9-fold on the univariate analysis and 1.6-fold on the multivariate analysis for the fQRS >90 degrees patient group versus the fQRS <_90 degrees group.Conclusion: In conclusion, a wide fQRS angle >90 degrees was a predictor of in-hospital mortality and associated with the need for mechanical ventilation among COVID-19 patients.(c) 2022 Elsevier Inc. All rights reserved.en_US
dc.identifier.doi10.1016/j.ajem.2022.05.034
dc.identifier.endpage72en_US
dc.identifier.issn0735-6757
dc.identifier.issn1532-8171
dc.identifier.pmid35636045en_US
dc.identifier.scopus2-s2.0-85130831345en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage66en_US
dc.identifier.urihttps://doi.org/10.1016/j.ajem.2022.05.034
dc.identifier.urihttps://hdl.handle.net/11454/76386
dc.identifier.volume58en_US
dc.identifier.wosWOS:000808614800012en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherW B Saunders Co-Elsevier Incen_US
dc.relation.ispartofAmerican Journal of Emergency Medicineen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectCOVID-19en_US
dc.subjectElectrocardiogramen_US
dc.subjectFrontal QRS angleen_US
dc.subjectMortalityen_US
dc.subjectMechanical ventilationen_US
dc.subjectT Angleen_US
dc.subjectPrognostic-Significanceen_US
dc.subjectRisken_US
dc.subjectElectrocardiogramen_US
dc.subjectMorbidityen_US
dc.titleFrontal QRS/T angle can predict mortality in COVID-19 patientsen_US
dc.typeArticleen_US

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