• Mehmet Ozdin, Hayrullah Yazar, Selcuk Yaylaci, Mehmet Koroglu, Ahmed Cihad Genc, İbrahim Kocayigit, Ahmed Bilal Genc, İlhan Yıldırım, Havva Kocayigit, and Oguz Karabay.
• Sakarya University Education and Research Hospital, Medical Biochemistry Laboratory - Sakarya, Turkey.
• Rev Assoc Med Bras (1992). 2021 Jan 1; 67Suppl 1 (Suppl 1): 80-85.

ObjectiveThe present study compares the cardiac parameters of the survivor and nonsurvivor patients with COVID-19 infection.MethodsThis study was conducted in 379 patients diagnosed with COVID-19 disease. Information of 21 nonsurvivor and 358 survivor patients with COVID-19 was obtained from the hospital information management system and analyzed retrospectively. Relationship between cardiac parameters in patients categorized into the mortal and immortal groups was investigated.ResultsOf the total 379 patients involved in this study, 155 (40.9%) were females and 224 (59.1%) were males. No statistically significant difference in mortality was found between females and males (p=0.249). The total median age was 70, the median age in the nonsurvivor group was 74 (35-89), and it was 69.5 (18-96) in the survivor group (p=0.249). The median values of high-sensitivity troponin (hs-Tn), creatine kinase MB form, and especially myoglobin in the survivor and nonsurvivor groups were 25/64.9 (p=0.028), 18/23 (p=0.02), and 105.5/322.4 (p<0.001), and the difference was statistically significant. Comparing mortality, while there was 1 (0.7%) nonsurvivor out of 134 patients in the service unit, there were 20 (8.2%) nonsurvivors out of 245 patients in the intensive care unit. This difference was statistically significant (p=0.003). The cutoff value of myoglobin, which may pose a risk of mortality, was found to be 191.4 µg/L, while it was 45.7 ng/l for hs-Tn and 60.1 U/L for creatine kinase MB.ConclusionsAdvanced age and increased levels of high-sensitivity troponin, creatine kinase MB, and myoglobin were found to be associated with mortality.

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