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Necrotizing enterocolitis in infants weighing less than 2000 G.
1Department of Paediatrics, Aga Khan University Hospital, Karachi.
JPMA. the Journal of the Pakistan Medical Association
|February 1, 1992
Summary
Necrotizing enterocolitis (NEC) affected 5% of low birth weight infants. Sepsis, indicated by positive cultures, was a significant risk factor, suggesting prematurity and infection are key contributors to NEC development.
Area of Science:
- Neonatal Medicine
- Pediatric Gastroenterology
- Infectious Disease Epidemiology
Background:
- Necrotizing enterocolitis (NEC) is a serious gastrointestinal condition affecting premature infants.
- Understanding risk factors for NEC is crucial for improving infant outcomes.
Purpose of the Study:
- To investigate the incidence and risk factors of NEC in low birth weight infants at Aga Khan University Hospital.
- To identify potential triggers for an observed NEC outbreak in 1989.
Main Methods:
- A case-control study design was employed over a 4-year period.
- Infants weighing less than 2000g admitted to AKUH were monitored for NEC development.
- Thirty-one birth weight and gestation-matched controls were selected for comparison.
Main Results:
- The overall incidence of NEC was 5% (9 out of 180 infants).
- An outbreak in 1989 saw six infants develop NEC.
- Positive blood and/or peritoneal fluid cultures were significantly more frequent in NEC cases (66%) compared to controls (16%).
- Commonly cited risk factors showed no significant difference between cases and controls.
Conclusions:
- Prematurity and sepsis are strongly suggested as significant predisposing factors for NEC.
- Infection, particularly sepsis, plays a critical role in the pathogenesis of NEC in low birth weight infants.