Medical and Economic Evaluation of a Magnetic Anal Sphincter for Patients With Severe Anal Incontinence

Exclusion Criteria

• •Anorectal or pelvic malformations
• •Local conditions incompatible with the proposed sizes of the MAS (extreme obesity, thickness of the tissue in the anorectal area)
• •Sequelae of rectal resections - presence of cancer of the rectum or anus
• •Rectal prolapse and/or major pelvic floor disorders
• •Major chronic disorder of the intestinal motility, irritable bowel syndrome, repeated faecalomas, megarectum
• •Extensive sphincter degeneration
• •Consequences of radiation-induced rectitis and chronic inflammatory diseases of the bowel (Crohn's disease)
• •Neurological disorders or systemic diseases (multiple sclerosis, scleroderma, paraplegia)
• •Festering sores of the perineal and/or anorectal regions
• •Known or suspected risks of allergy to titanium
• •Active pelvic infection
• •Contraindications to SNS:
• •* Cardiac stimulator or defibrillator implant
• •* Malformation of the sacrum
• •* Patient exposed to Magnetic Resonance Imaging
• •* Skin diseases exposing the patient to the risk of infection (at the investigator's discretion)
• •* Patient scheduled for diathermy or ablation by radiofrequency
• •Pregnant women
• •Adults under guardianship
• •Patients involved in a mobility project in the year following the operation
• •Patient already subjected to one or other of the therapeutic approaches (MAS or SNS) Please note: coagulation problems (including anti-aggregant or anti-coagulant treatments) are not a contraindication if these problems can be corrected during the perioperative period.