Clinical diversity and nosological structure of atresias of anorectal region

Objective of the research - to study the clinical diversity and nosological structure of atresias of anorectal region (AAR) of the digestive tract. Materials and methods: to measure the population frequency and structure of AAR, data of 30 regional registers of congenital malformations for 2000-2012 were analyzed. The total number was 1,348 cases of AAR. To determine the nosological structure of AAR and perform a clinical genealogical analysis, 67 children with AAR aged from 1 month to 17 years were examined. Results: the total frequency of anorectal malformations including atresias and rectum and anus stenosis was 1,66 (95[%] CI 1,57-1,75) per 10 000 births or 1 for 6024 births. The largest group is anusa tresias/stenoses, accounting for 77,45[%], rectuma tresias and stenoses - 22,55[%]. It was revealed that AAR of different regions without a fistula are more often (59,79[%]), while anorectal malformations with fistula are 40,21[%]. Among the congenital malformations, the most common are congen