Defecation problems occur in patients of all ages, but are more prevalent in the elderly, postpartum women, and patients with chronic and debilitating medical conditions. Most of the time, these problems respond to medical therapy and nonsurgical options, but it is not uncommon for patients to require surgical intervention. Sacral nerve stimulation (SNS) presents an alternative for patients with bowel dysfunction combining proven therapeutic benefits and limited surgical risks. Here we describe the common indications for SNS, patient selection, technical details of the procedure, published outcomes, and complications that can arise. Based on our review, SNS is an effective treatment option for fecal incontinence and may reduce the patients' clinical symptoms and help restore their quality of life. Future research studies may expand the role of this modality for other bowel disorders.
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