Predictive efficacy of procalcitonin, platelets, and white blood cells for sepsis in pediatric patients undergoing cardiac surgeries who are admitted to intensive care units: Single-center experience

Jigar Surti, Imelda Jain, Komal Shah, Amit Mishra, Yogini Kandre, Pankaj Garg, Jatin Shah, Ashok Shah, Payal Tripathi

Annals of Pediatric Cardiology 2018 11(2):137-142

Background: Sepsis is one of the major contributor of morbidity and mortality in pediatric cardiac surgeries. Aim: The aim of this study was to compare the predictive efficacy of total leukocyte counts (TC), platelet count (PC), and procalcitonin (PCT) for sepsis in patients undergoing cardiac surgeries who are admitted to the Intensive Care Unit. Materials and Methods: This prospective, single-center study included 300 neonates, infants, and pediatric patients who had undergone various open heart surgeries at our center from September 2014 to November 2015. Results: Overall, the incidence of sepsis was 14% in pediatric patients undergoing cardiac surgeries. TC of postoperative 48 h were significantly lower (11889.19 ± 5092.86 vs. 14583.22 ± 6562.96; P = 0.004) in septic patients. The low levels of platelets on postoperative 24 h and 72 h were observed in patients with sepsis as compared to patients without sepsis, whereas the levels of PCT at various time intervals (preoperative, postoperative - 24 h, 48 h, and 72 h) had shown no association with sepsis in the study population. Low PC (24 h) was the strongest predictor of sepsis showing an odds ratio of 1.9 (95% confidence interval [CI]: 1.42–3.51; P = 0.001) and area under curve of 0.688 with 95% CI of 0.54–0.83 (P = 0.018). Conclusion: We may conclude that in Indian pediatric population platelet levels are highly associated with sepsis as compared to any other hematological parameter. The immediate postoperative level of platelet is the strongest predictor of sepsis and could be effectively used in the clinical settings.

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