Imperforate anus is a birth defect that usually appears to occur randomly for unknown reasons (sporadically). Less commonly, the condition may be familial, suggesting autosomal dominant, autosomal recessive, or X-linked recessive inheritance.
An imperforate anus is a birth defect that happens while your baby is still growing in the womb. This defect means that your baby has an improperly developed anus, and therefore can’t pass stool Author: Ann Pietrangelo.
Anorectal malformations (ARMS) are also known as imperforate anus (IA). This is an "umbrella term" for a group of birth defects which affect the anorectal area. During a normal bowel movement, solid waste passes from the colon (large intestine) to the rectum (the final section the colon) and through.
Associated spinal and genitourinary anomalies are rather common, occurring in 20% to 50% of patients with imperforate anus. Imperforate anus may be seen as part of the vertebral defects, imperforate anus, tracheoesophageal fistula, and radial and renal dysplasia (VATER) or vertebral abnormalities, anal atresia, cardiac abnormalities.
Imperforate anus prognosis. Most imperforate anus defects can successfully be corrected with surgery. Most children with mild imperforate anus defects do very well. However, constipation can be a problem. Children who have more complex surgeries still have control over their bowel movements most of .