Overview
Isolated multiple intestinal atresia (MI) is a congenital disorder characterized by the absence or narrowing of segments of the small and large intestines, often associated with additional malformations and potential immune deficiencies 12345.Diagnosis
Prenatal detection via ultrasound showing bowel dilatation and hydramnios 2.
Postnatal imaging (e.g., abdominal X-ray, CT, MRI) revealing characteristic bowel loops and atresia segments 25.
Histological examination confirming atresia and assessing associated organ involvement 12.
Genetic testing for TTC7A mutations in suspected hereditary cases 1.
Evaluation for associated anomalies such as choanal atresia, ocular abnormalities, and microcephaly 24.Management
Surgical intervention: Primary repair or staged procedures depending on the extent of atresia 24.
Nutritional support: Early enteral or parenteral nutrition to manage malnutrition 24.
Immune evaluation: Comprehensive immune assessment in cases suspected to have TTC7A deficiency to manage immunodeficiency 1.
Multidisciplinary care: Collaboration with pediatric surgeons, gastroenterologists, immunologists, and geneticists 123.Special Populations
Pregnancy: Regular prenatal ultrasounds to monitor bowel dilatation and hydramnios 2.
Pediatrics: Early recognition and intervention crucial for survival; genetic counseling recommended for families 13.
Comorbidities: Special attention to immune deficiencies and associated organ malformations (e.g., thymus, liver) in managing overall health 12.Key Recommendations
Perform genetic testing for TTC7A mutations in patients with suspected hereditary multiple intestinal atresia to guide immune assessment and management (Evidence: Moderate 1).
Offer prenatal surveillance with ultrasound for families with a history of multiple intestinal atresia to detect early signs like bowel dilatation and hydramnios (Evidence: Moderate 2).
Implement multidisciplinary care teams including pediatric surgery, gastroenterology, immunology, and genetics to address the multifaceted needs of patients (Evidence: Expert opinion 12).References
1 Fernandez I, Patey N, Marchand V, Birlea M, Maranda B, Haddad E et al.. Multiple intestinal atresia with combined immune deficiency related to TTC7A defect is a multiorgan pathology: study of a French-Canadian-based cohort. Medicine 2014. link
2 Ferrarini A, Osterheld MC, Vial Y, de Viragh PA, Cotting J, Martinet D et al.. Familial occurrence of an association of multiple intestinal atresia and choanal atresia: a new syndrome?. American journal of medical genetics. Part A 2009. link
3 Güngör N, Balci S, Tanyel FC, Göğüş S. Familial intestinal polyatresia syndrome. Clinical genetics 1995. link
4 Strømme P, Dahl E, Flage T, Stene-Johansen H. Apple peel intestinal atresia in siblings with ocular anomalies and microcephaly. Clinical genetics 1993. link
5 Nishikawa A, Mitomori T, Matsuura A, Inoue A, Mori H, Takahashi M. A 13q- syndrome with extensive intestinal atresia. Acta paediatrica Scandinavica 1985. link