Browsing by Author "Ozer, Nurtac"

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    Comparison Of Inflammation-Based Parameters And MELD-XI Score With 4C Mortality Score In Predicting In-Hospital Mortality In COVID-19
    (2022) Celik, Casit Olgun; Ciftci, Orcun; Ozer, Nurtac; Muderrsioglu, Ibrahim Haldun; https://orcid.org/0000-0002-7190-5443; AAD-5477-2021
    Purpose: In this study, we compared the roles of inflammatory parameters such as neutrophil/lymphocyte ratio (NLR), platelet/lymphocyte ratio (PLR), C-reactive protein/lymphocyte ratio (CLR), monocyte/lymphocyte ratio (MLR), neutrophil/platelet ratio (NPR), neutrophil/monocyte ratio (NMR), CRP/albumin ratio (CAR), BUN/albumin ratio (BAR), MELD-XI score and 4C mortality score in predicting in-hospital mortality risk in COVID-19. Materials and Methods: A total of 117 patients over 18 years old with a PCR-confirmed diagnosis of COVID-19 between June 2020 and February 2021 were retrospectively included. The roles of parameters for independently predicting in-hospital mortality were determined and compared with each other using appropriate statistical methods. Results: Age, chronic kidney disease, diabetes mellitus, acute kidney injury, and length of hospital stay, urea, creatinine, LDH, AST, ferritin, D-dimer, CRP, albumin, Hb, CLR, BAR, CAR, MELD-XI score, and 4C mortality score were significantly correlated to in-hospital mortality. However, only the 4C mortality score and AST independently predicted in-hospital mortality in COVID-19 [OR 2.08 (%95 CI 1.06-2.36), for 4C mortality score, and OR 1.05 (%95 CI 1.00-1.10), for AST]. Conclusion: Unlike other mortality-related inflammatory parameters, the 4C mortality score and AST were independent and strong predictors of mortality in hospitalized COVID-19 patients.
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    Evaluation of Inflammation-Based Prognostic Risk Scores in Predicting in-Hospital Mortality Risk in Hospitalized COVID-19 Patients: A Cross-Sectional Retrospective Study
    (2023) Celik, Casit Olgun; Ozer, Nurtac; Ciftci, Orcun; Torun, Serife; Yavuz Colak, Meric; Muderrisoglu, Ibrahim Haldun; 0000-0002-6530-6153; 0000-0002-7190-5443; 0000-0002-0294-6874; 38633908; ABF-1652-2021; AAD-5477-2021; AAA-4360-2021
    Objective: Systemic inflammatory parameters are predictors of poor prognosis in COVID-19 patients. This study evaluated whether the prognostic nutritional index, which was also related to nutrition risk and other inflammation-based prognostic scores, was predictive of in-hospital mortality in COVID-19 patients.Materials and Methods: This was a retrospective cross-sectional single-center study. Based on the exclusion criteria, 151 patients over 18 years old diagnosed with COVID-19 and hospitalized in the intensive care unit between March 2020 and December 2020 were eligible for this study. Multivariable logistic regression analysis was performed to evaluate the predictive value of the Glasgow Prognostic Score (GPS), Prognostic Index (PI), Prognostic Nutritional Index (PNI), and Systemic Inflammatory Index (SII).Results: In the univariate analyses, age, diabetes mellitus (DM), chronic kidney disease, acute kidney injury, hypothyroidism, hospitalization stay, lactate dehydrogenase (LDH), as-partate aminotransferase (AST), D-dimer, ferritin, C-reactive protein (CRP), albumin, hemoglobin level, platelet count, urea, creatinine level, PNI, GPS were significantly associated with mortality. However, in the multivariable logistic regression analysis of the inflamma-tion-based prognostic scores, only PNI was statistically significant in predicting in-hospital mortality (OR=0.83; [95% CI=0.71-0.97]; p=0.019).Conclusion: PNI is a more useful and powerful tool among these inflammation-based prognostic risk scores in predicting in-hospital mortality in COVID-19 patients.
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    QTc interval is associated with increased inflammatory markers (neutrophil-to-lymphocyte ratio and LDH level) in COVID-19 patients
    (2021) Torun, Serife; Ozer, Nurtac; Celik, Olgun; Akcay, M. Sule; 0000-0002-7190-5443; AAD-5477-2021
    Purpose: This study aimed to investigate the association between QTc interval and laboratory parameters in COVID-19 patients before and after the treatment. Materials and Methods: Forty-three COVID-19 patients who had baseline and follow-up ECG findings and laboratory reports were evaluated and 40 patients were included in the study. Results: Among 40 patients, 16 were women and 24 were men. The neutrophil-to-lymphocyte ratio (NLR) and corrected QT (QTc) interval were significantly higher in females than males. After the treatment, a significant fall in CRP and ferritin values, and significantly prolonged QTc interval were seen. A significant positive correlation was observed between QTc interval and age, LDH levels, neutrophil and leukocyte count, NLR, magnesium levels, and heart rate of the patients prior to treatment. A positive correlation was observed between increased QTc interval and decreased LDH levels and NLR after treatment. Conclusion: QTc prolongation was associated with increased inflammatory markers, increased NLR and LDH levels before and after treatment in COVID-19 patients. The increase in the QTc interval was correlated with the reduction in LDH levels and NLR with treatment.