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Year : 2022  |  Volume : 8  |  Issue : 4  |  Page : 96-101

Evaluation of electrocardiographic changes in patients under COVID-19 treatment regimes

1 Department of Cardiology, Atatürk Research and Training Hospital, Katip Çelebi University, Izmir, Turkey
2 Department of Infectious Diseases, Bozyaka Training and Research Hospital, Izmir, Turkey
3 Department of Infectious Diseases, Faculty of Medicine, Atatürk Research and Training Hospital, Katip Çelebi University, Izmir, Turkey

Correspondence Address:
Dr. Emre Ozdemir
Department of Cardiology, Faculty of Medicine, Atatürk Research and Training Hospital, Katip Çelebi University, Karabaglar, Izmir
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijca.ijca_14_22

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Background and Aim: Awareness of electrocardiographic (ECG) changes is crucial in patients who receive coronavirus disease 2019 (COVID-19) treatment. In this study, we aimed to evaluate ECG parameters in patients under COVID-19 therapy and their relationship with the severity of lung involvement and the disease on the basis of thoracic computerized tomography (TCT) findings and laboratory parameters. Materials and Methods: Of 350 patients hospitalized due to COVID-19 between March 2020 and June 2020, 300 patients with available data were retrospectively analyzed. Blood analysis, electrocardiographic, and clinical findings were evaluated. Six-month follow-up data were also recorded. Results: The patients were categorized into two groups: survivor (n = 206, 68.7%, Group 1) and nonsurvivor patients (n = 94, 31.3%, Group 2). The mean total follow-up period was 125.39 ± 73.09 days. The mean age was similar in both groups. In multivariate regression analysis that aimed to predict COVID-19 disease severity, it was found that besides increased C-reactive protein and D-dimer levels, and ≥50% lung involvement in TCT, which are well known as bad prognostic factors, the corrected QT interval duration (QTc) prolongation ≥60 miliseconds (msn) during hospitalization was associated with worse prognosis in COVID-19 patients during follow-up. Conclusion: Our study is the first study that demonstrated that the presence of ≥60 msn QTc prolongation during hospital stay was found to be the most valuable ECG parameter to predict the prognosis and had a significant association with ≥50% lung involvement in TCT in patients under anti-COVID therapy. Close monitoring of this ECG parameter is important both in terms of treatment planning and interpretation of disease progression.

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