• Yasemin Bozkurt Turan.
• Department of Critical Care, Faculty of Medicine, Marmara University, Istanbul, 34899, Turkey. jasembozkurt@hotmail.com.
• BMC Anesthesiol. 2023 Aug 17; 23 (1): 278278.

IntroductionSepsis and septic shock are disorders of tissue perfusion and microcirculation associated with increased mortality. The role of biomarkers such as proadrenomedullin (PRO-ADM), interleukin 6 (IL-6) and neutrophil CD64 (CD64) in the diagnosis and prognosis of septic shock has been studied.MethodsGCS, SOFA score, APACHE 2 score, lactate, CRP, procalcitonin, PRO-ADM, IL-6, CD64 level and 28-day mortality were evaluated in patients with septic shock followed-up in the intensive care unit of Marmara University Hospital between July 2021 and December 2021. The study was planned as prospective, non-drug clinical research Committee.ResultsThere were no statistically significant differences between patient groups in gender, BMI, and presence of comorbidities (p > 0.05). The alive patient group had significantly higher GCS values and lower SOFA, APACHE 2, lactate and CD64 values than the dead patient group (p < 0.01). The cut-off values of laboratory parameters were determined using ROC analysis to predict mortality, SOFA and CD64 had high AUC. This is also a good indicator for mortality.The multivariate logistic regression model was estimated using the backward selection method. The mortality of ICU patients was predicted by a SOFA-value ≥ 12 (OR (95%CI) = 56.13 (5.44-578.64)), CD64 value ≥ 28.54 (OR (95% CI) = 23.78 (2.61-216.85)), and ADM-value ≥ 86.79 (OR (95% CI) = 15.86 (1.02-246.49)) (p < 0.05) .ConclusionIn conclusion, serum CD64 level, PRO-ADM level, and SOFA score proved to be effective parameters for predicting prognosis and mortality in septic shock. However, IL-6 proved to be a weak biomarker and failed to predict mortality. CD64, which is easier and more practical to use, can be used instead of the SOFA score.© 2023. BioMed Central Ltd., part of Springer Nature.

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