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Atresia of jejunum and ileum: is it the same disease?
H A Heij1, C G Moorman-Voestermans, A Vos
1Department of Pediatric Surgery, Free University Hospital, Amsterdam, The Netherlands.
Insights
Jejunal atresia and ileal atresia present distinct clinical features and outcomes. Jejunal atresia, often multiple and associated with lower birth weight, shows higher mortality, suggesting it may be a separate disease entity.
Area of Science:
- Pediatric Surgery
- Gastroenterology
- Neonatal Medicine
Background:
- Intestinal atresia is a congenital anomaly requiring surgical correction.
- Distinguishing between jejunal and ileal atresia is crucial for understanding pathogenesis and prognosis.
Purpose of the Study:
- To compare the clinical characteristics, management, and outcomes of jejunal atresia versus ileal atresia.
- To investigate potential etiological differences between these two conditions.
Main Methods:
- Retrospective analysis of 21 patients with jejunal atresia and 24 with ileal atresia.
- Data collected included birth weight, gestational age, type of atresia, antenatal complications, postoperative course, and mortality.
Main Results:
- Jejunal atresia cases had lower mean birth weight and gestational age compared to ileal atresia.
- Multiple atresias were more common in jejunal atresia, while single atresias predominated in ileal atresia.
- Antenatal perforation was more frequent in ileal atresia; postoperative course and mortality were higher in jejunal atresia, particularly in apple peel atresia.
Conclusions:
- Significant differences in clinical presentation, complications, and outcomes exist between jejunal and ileal atresia.
- The distinct characteristics suggest that jejunal and ileal atresia may represent separate disease processes, potentially linked to differences in bowel wall compliance.
Abstract:
A retrospective analysis of 21 patients with jejunal atresia and 24 with ileal atresia showed more differences than similarities between the two categories. The incidence of jejunal atresia appeared to be increasing during the period of observation (1978 to 1987). In the past 2 years, many children with jejunal atresia, who belonged to a set of heterozygotic twins, were admitted to this institution. The mean birth weight and gestational age in jejunal atresia were significantly lower than in ileal atresia. The majority of jejunal atresias were multiple, whereas most ileal atresias were single. Antenatal perforation occurred rather frequently (10 cases) in ileal atresia but only twice in jejunal atresia. The postoperative course was more often prolonged in jejunal than in ileal atresia. Mortality was higher in jejunal atresia: three deaths, all in apple peel atresia, versus one death in ileal atresia. An explanation for some of these observations can be found in a difference of compliance of the bowel wall between jejunum and ileum: the more compliant jejunal wall allows for massive dilatation with subsequent loss of peristaltic activity. It is postulated that because of the many differences, jejunal and ileal atresia may be considered as separate diseases.