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Clinical observation of neonatal gastrointestinal perforation
Y J Wang1, W J Shian, W T Chang
1Department of Pediatrics, Taichung Veterans General Hospital, Taiwan, R.O.C.
Background:
Gastrointestinal perforation is an infrequent occurrence in neonates. Experience in its management is presented, while also attempting to analyze the factors affecting outcome.
Methods:
From 1983 to 1992, 31 neonates with gastrointestinal perforation were treated at Taichung Veterans General Hospital. The medical records of these patients were reviewed thoroughly. In the meantime, Mann-Whitney U and Yates' correction chi square tests were used to analyze the factors predicting the outcomes.
Results:
There were 21 males and 10 females, among whom 16 were premature births. The median age at diagnosis was 5 day; half (16/31) had occurred during the first 5 days of life. Abdominal distension was the most common manifestation (87%). Hemograms at admission showed leukopenia in 32% (10/31) and thrombocytopenia in 40% (8/20) of the patients. Metabolic acidosis was present in 46% (13/28) of the patients. Peritoneal fluid and preoperative blood cultures were positive in 71% (17/24) and 50% (13/26) of the patients, and both of them had Gram-negative enterobacteriacea as the most common pathogen. The overall mortality rate was 58%. The highest mortality rate was associated with gastric perforation (100%), followed by small bowel (50%) and colon (50%) perforations. The predominant cause of perforation was necrotizing enterocolitis (14/31), with the most common site the terminal ileum (16/29). Four patients with necrotizing enterocolitis had multiple perforations. Others who underwent surgery showed single perforation. The major cause of death in those patients who received operation was sepsis (8/13). An initial arterial pH value higher than 7.25, and surgical procedure performed within two days after disease onset may predict a favorable outcome (p < 0.01).
Conclusions:
Gastrointestinal perforation is a life-threatening complication in neonates. A better survival rate can be obtained by cooperation among neonatologists, pediatric surgeons and the nursing staff taking care of these high risk babies.