Stimulated gracilis neosphincter operation. Initial experience, pitfalls, and complications

Area of Science:

• Surgical innovation in reconstructive urology and proctology.
• Investigating the efficacy of neuromuscular electrical stimulation in functional restoration.

Background:

• Fecal incontinence significantly impacts quality of life.
• The stimulated gracilis neosphincter is a surgical option for refractory fecal incontinence.

Purpose of the Study:

• To review initial problems and complications associated with the stimulated gracilis neosphincter procedure.
• Evaluate the feasibility and outcomes of this surgical technique.

Main Methods:

• Prospective analysis of patients undergoing a three-stage procedure: vascular delay/stoma, muscle transposition/implantation, and stoma closure.
• Low-frequency electrical stimulation applied for 12 weeks post-implantation.

Main Results:

• 17 patients underwent the procedure; two deaths occurred post-operatively.
• Complications included seroma, skin excoriation, impaction, sepsis, and device issues.
• 13 of 15 eligible patients had stoma reversal; 9/15 reported improved continence and quality of life.
• Manometric studies showed significant increase in maximal squeeze pressure (36 to 145 mmHg, P < 0.01).

Conclusions:

• The stimulated gracilis operation is feasible for selected severe fecal incontinence patients but has a steep learning curve.
• Major technical modifications are needed for wider application beyond research settings.
• Patients require significant psychological and financial commitment for potential revisions or device failure.