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. 2023 Nov;90(11):1096-1102.
doi: 10.1007/s12098-023-04597-7. Epub 2023 May 25.

Early Blood Pressure Changes in Neonatal Sepsis and the Risk of Mortality

Shiv Sajan Saini  1 , Amit Kumar Shrivastav  2 , Venkataseshan Sundaram  2 , Sourabh Dutta  2 , Praveen Kumar  2
Affiliations

Early Blood Pressure Changes in Neonatal Sepsis and the Risk of Mortality

Shiv Sajan Saini et al. Indian J Pediatr. 2023 Nov.

Abstract

Objectives: To compare blood pressures (BP) between neonates with culture-proven sepsis and clinical sepsis in the first 120 h of sepsis onset and to examine association between BP and in-hospital mortality.

Methods: In this cohort study, consecutively enrolled neonates with 'culture-proven' sepsis [growth in blood/ cerebrospinal fluid (CSF) within 48 h] and clinical sepsis (sepsis workup negative, cultures sterile) were analyzed. Their BP was recorded every 3-hourly for initial 120 h and averaged in 20 time-epochs of 6 h each (0-6 h to 115-120 h). BP Z-scores were compared between neonates with culture-proven vs. clinical sepsis and survivors vs. non-survivors.

Results: Two hundred twenty eight neonates (102-culture-proven and 126-clinical sepsis) were enrolled. Both groups had comparable BP Z-scores except significantly lower diastolic BP (DBP) and mean BP (MBP) in 0-6 and 13-18 time-epochs in culture-proven sepsis group. Fifty-four neonates (24%) died during their hospital stay. BP Z-scores in the initial 54 h of sepsis were independently associated with mortality [systolic BP (SBP) Z-scores in first 54 h, DBP Z-scores in first 24 h, and MBP Z-scores in first 24 h] after adjusting for gestational age, birth weight, cesarean delivery, and 5-min Apgar score. On receiver operating characteristic curves, SBP Z-scores showed better discriminative ability than DBP and MBP to identify non-survivors.

Conclusions: Neonates with culture-proven and clinical sepsis had comparable BP Z-scores except low DBP and MBP in the initial few hours in culture-proven sepsis. BP in initial 54 h of sepsis was significantly associated with in-hospital mortality. SBP discriminated non-survivors better than DBP and MBP.

Keywords: Arterial pressure; Blood pressure; Infant, Newborn; Neonatal sepsis.

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