Journal
PEDIATRIC SURGERY INTERNATIONAL
Volume 32, Issue 4, Pages 313-320Publisher
SPRINGER
DOI: 10.1007/s00383-016-3862-9
Keywords
Hirschsprung disease; Hirschsprung's disease; Enterocolitis; Mucosal immunity; Microbiome; Pathogenesis
Categories
Funding
- National Institutes of Health [K08DK098271]
- American College of Surgeons
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Hirschsprung's disease (HSCR) is a common cause of neonatal bowel obstruction and the approach to diagnosis and surgical treatment is well defined and accepted. Hirschsprung's-associated enterocolitis (HAEC) remains a frequent cause of pre-operative and post-operative morbidity and mortality, with unchanged treatment guidelines over multiple decades. Recent advances in our understanding of the genetics underlying HSCR have allowed the development of animal models, some of which recapitulate the HAEC phenotype. These animal models, along with recent translational studies, have implicated multiple facets of mucosal immunity and microbiome dysbiosis in the development of HAEC. Here, we will review the established epidemiology, modes of diagnosis and treatment of HAEC. Furthermore, we will explore emerging concepts in the pathogenesis of this disease; including animal models, alterations in mucosal immunity, dysbiosis of the intestinal microbiome, specific genetic susceptibility, and novel treatment modalities.
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