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Cycle Threshold Value as A Death Predictor of COVID-19 Patients Oktariana, Desi; Saleh, Irsan; Banun, Syahri; Rahadiyanto, Kemas Ya’kub; Liana, Phey; Rahmawati, Eny; Hafizzanovian, Hafizzanovian; Lusiana, Evi; Tamzil, Nia Savitri; Prasasty, Gita Dwi; Aseptianova, Aseptianova
INDONESIAN JOURNAL OF CLINICAL PATHOLOGY AND MEDICAL LABORATORY Vol. 31 No. 3 (2025)
Publisher : Indonesian Association of Clinical Pathologist and Medical laboratory

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24293/ijcpml.v31i3.2390

Abstract

For several years, COVID-19 has been a major problem in human health and also caused a global socio-economic crisis. However, the impact of viral load on patient mortality has not been thoroughly investigated. This study analyzes the association between CT value and the mortality of COVID-19 patients in inpatients at Mohammad Hoesin Hospital. This study used observational analysis with a longitudinal retrospective design. This study had 280 subjects. Fifty-four of the 280 patients died (19.3%) 33% had a CT <22.93; 16.7% had a CT 22.93-29.93; 31.5% had a CT 29.94-34.9, 18.5% had a CT >35 with p-value >0.05 for patient mortality. Analysis of age, comorbidities, and clinical severity of patient mortality showed a p-value <0.05. Meanwhile, gender analysis of patient mortality showed a p-value >0.05. These results indicate that the CT value cannot predict patient mortality. Patients with older age, comorbidities, and admission with severe clinical severity have a higher risk of death.
Predictive Value of Bazett-Corrected QTc for Chemotherapy-Induced Cardiotoxicity in Breast Cancer: A Retrospective Cohort Study Lerista, Maria; Soniya, Firinda; Salsabila, Zeta Reihan; Putra, Justian Ananda; Agustine, Vania; Banun, Syahri; Felani, Muhammad Rizky; Puspita, Indah; Tondas, Alexander Edo
Jurnal Kardiologi Indonesia Online First
Publisher : The Indonesian Heart Association

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30701/ijc.1896

Abstract

Background : Cardiotoxicity remains a major concern in breast cancer patients receiving anthracycline-based chemotherapy. Meanwhile, prolongation of the QTc interval has been associated with an increased risk of torsades de pointes; however, the clinical evidence for its role as a predictor of subclinical cardiotoxicity remains limited. This study aims to evaluate the association between Bazett-corrected QTc and the incidence of subclinical left ventricular dysfunction, as measured by strain echocardiography. Methods : This single-center retrospective cohort study was conducted at Dr. Mohammad Hoesin General Hospital, Indonesia (January 2022–December 2023). Female breast cancer patients aged ≥18 years who received anthracycline or non-anthracycline chemotherapy and completed baseline and third-cycle echocardiography were included. QTc was measured from 12-lead ECGs before and after chemotherapy using Bazett’s formula. Subclinical cardiotoxicity was defined as a >15% relative reduction in global longitudinal strain (GLS) from baseline. Logistic regression and ROC analyses assessed the predictive value of baseline QTcB. Result : In 32 breast cancer patients on anthracycline therapy (mean age 49.5 ± 9.0 years) were analyzed; 59.4% developed subclinical cardiotoxicity. Prolonged baseline QTcB, older age, and obesity were significantly associated with subclinical cardiotoxicity (p < 0.05). In multivariate analysis, QTcB remained an independent predictor (OR = 21.09; 95% CI: 0.979–454.4; p = 0.05). ROC analysis showed moderate discrimination (AUC = 0.717; 95% CI: 0.50–0.92; p = 0.04). Conclusion : Prolonged QTc appears to be a promising predictor of subclinical cardiotoxicity with fair diagnostic accuracy. However, it should be considered alongside other modalities. Further studies with larger populations are needed to control for other risk factors.