Abstract
Anorectal malformations (ARMs) are congenital anomalies of the anorectum and the genitourinary system that result in a broad spectrum of hindgut anomalies. Despite surgical correction patients continue to have late postoperative genitourinary and colorectal dysfunction that have significant impact on quality of life. This paper will review the current evidence and discuss the evaluation and management of postoperative patients with ARMs who present with persistent defecation disorder. A literature search was conducted using PubMed/MEDLINE/EMBASE databases applying the following terms: ARMs, imperforate anus, constipation, faecal incontinence, neurogenic bowel, posterior sagittal anorectoplasty. Patients who present with postoperative defecation disorders require timely diagnostic and surgical evaluation for anatomic abnormalities prior to initiation of bowel management. Goals of management are to avoid constipation in young children, achieve faecal continence in early childhood and facilitate independence in older children and adolescents. Treatment options vary from high dose stimulant laxatives to high-volume retrograde and antegrade enemas that facilitate mechanical colonic emptying. Appropriate diagnostic work-up and implementation of treatment can decrease long-term morbidity and improve quality of life in postoperative patients with ARMs who presents with defecation disorders.
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