The influence of prematurity on neonatal surgical morbidity and mortality
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In brief
In brief
Large database study of 4,852 infants demonstrates that prematurity significantly increases surgical morbidity and mortality, with extremely preterm infants having 3.2 times higher odds of complications and 22.2% mortality versus 2.9% in term infants. Findings support risk-adjustment for gestational age in quality metrics and targeted interventions for premature populations.
Written by the GCMD Library team from the article.
Abstract
Background
As survival rates amongst premature infants have improved, prematurity remains a leading contributor to neonatal surgical morbidity and mortality. This study aims to better assess the influence of prematurity on surgical outcomes.
Methods
The NSQIP-Pediatric database was used to compare outcomes between preterm and term infants undergoing surgical repair of select congenital anomalies from 2012 to 2017. Prematurity was categorized as extremely preterm (EP) (<29 weeks), very preterm (VP) (29–32 weeks), moderate to late preterm (MLP) (33–36 weeks), and term (≥37 weeks). Significance was determined using Chi-square tests, Fisher exact tests and adjusted logistic regression analysis.
Results
4852 infants were identified with 45 (0.9%) EP, 211 (4.3%) VP, 1492 (30.8%) MLP, and 3104 (64.0%) term. Compared to term, preterm infants have increased odds of surgical morbidity (EP Odds Ratio (OR) 3.2 95% Confidence Interval (CI) 1.6–6.4, VP OR 1.2 95%CI 0.9–1.7, and MLP OR 1.2 95%CI 1.0–1.4). 30-day mortality decreased as neonatal age increased from 22.2% EP to 2.9% term (p < 0.001). Premature populations had higher rates of sepsis, pneumonia, bleeding requiring transfusion and 30-day mortality.
Conclusions
Prematurity increases morbidity and mortality amongst neonates undergoing surgery. Risk-adjustment for prematurity is needed and premature infants may have unique quality improvement targets.
Level of Evidence
Level III.