Neutrophil-lymphocyte ratio as a mortality predictor for Norwood stage I operations

General Thoracic and Cardiovascular Surgery
Omer Faruk SavlukHakan Ceyran

Abstract

Hypoplastic left heart syndrome is a lethal congenital heart malformation when untreated resulting in a 95% mortality in the first month of life. In this study, we aimed to investigate the newly introduced inflammatory biomarker, neutrophil-lymphocyte ratio, as a mortality predictor in postoperative hypoplastic left heart syndrome patients. Patients were divided into two groups; Group 1 consisted of 33 patients who were discharged and Group 2 including 20 patients who were deceased following surgery. Patients' preoperative demographic characteristics, total white blood cell counts, neutrophil counts, lymphocyte counts, neutrophil-lymphocyte ratio, C-reactive proteins, alanine aminotransferase, aspartate transaminase, urea, and creatinine levels were recorded. Studys' primary endpoint was all-cause patient mortality following surgery. The preoperative neutrophil-lymphocyte ratio was found to be significantly different between the groups (p = 0.001). High neutrophil-lymphocyte ratio was found to be associated with an increased risk of death. The ROC curves of neutrophil-lymphocyte ratio were found to be associated with mortality. The area under curve for the preoperative neutrophil-lymphocyte ratio was 0.74. Neutrophil-lymphocyte...Continue Reading

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Feb 11, 2021·Journal of Cardiac Surgery·Valdano ManuelMarcelo Biscegli Jatene

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