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Background/Aim: Cardiovascular involvement in patients with coronavirus disease 2019 (COVID-19) is closely related to the course of the disease; however, this issue has not been adequately studied in Turkey. Thus, we aimed to investigate the electrocardiography (ECG) findings in noncritical patients with COVID-19 in Turkey. Methods: This retrospective cohort study was conducted on non-critical patients with COVID-19 with no history of any cardiac disease. The laboratory parameters and ECG findings of the patients at the time of admission were analyzed. Results: In total, 100 patients with a mean age of 56.8 (16.7) years were included in the study, among which 54 were males. The rate of patients having at least one abnormal ECG finding, ST segment pathology, and elevated troponin level were 58%, 26%, and 48%, respectively. The respiratory rate and mean troponin level were higher and the mean lymphocyte count was lower in patients with ST segment pathology than in patients without. The respiratory rate, fibrinogen level, and incidence of T negativity and abnormal ECG findings were higher, and the lymphocyte count was lower in patients with elevated troponin levels than in patients with normal troponin levels (P 0.03 mg/mL (P

Background Both the extracellular matrix molecule tenascin-C (Tn-C) and tissue inhibitors of metalloproteinases (TIMPs) have a role in tissue injury, inflammation, and remodeling. In this pilot study, we tried to evaluate the role of these markers in acute kidney injury (AKI). Methods A total of 52 subjects were enrolled in this study. Group 1 consisted of 27 patients with AKI (stage 1, 2, and 3), and Group 2 consisted of 25 age- and gender-matched healthy subjects. Serum and urine samples (to determine Tn-C and TIMP-1) were obtained from the participants at the beginning of the study. Second samples were obtained from Group 1 patients when renal function improved (at discharge). Results Serum TIMP-1 concentrations (admission and discharge) were higher in Group 1 than Group 2 (p = 0.0001 for both comparisons). Tn-C excretion in spot urine was significantly higher in healthy controls than at the admission levels of the patient group (p = 0.036). However, TIMP-1 excretion in spot urine was lower in healthy controls than in admission and discharge levels of the patient group (p = 0.0001 for both comparisons). Conclusions Our results show that these biomarkers (especially TIMP-1) may have a role in the pathophysiology of AKI. Further studies are needed in this field.