Laparoscopic Mitrofanoff procedure in children: critical analysis of difficulties and benefits
Abstract
OBJECTIVES: The Mitrofanoff principle is an accepted continent urinary diversion. We studied the feasibility and the possible benefits of using a laparoscopic approach in children with significant bladder dysfunction associated with difficulty doing efficient urethral catheterization.
PATIENTS AND METHODS: A fully laparoscopic Mitrofanoff continent cystostomy was attempted in 15 children with a median age of 9 years (IQR 6), between 2003 and 2013. Before the Mitrofanoff procedure was considered, urodynamic evaluation was done for each patient, to study bladder compliance, detrusor activity, and bladder capacity. The procedure was performed using a transperitoneal four-port approach. A 30-degree down camera angle was optimal for viewing the appendix and the posterior wall of the bladder. The operative steps of the open procedure were replicated laparoscopically. The proximal end of the appendix was spatulated and anastomosed to the posterior wall of the bladder, providing an antireflux mechanism by an extramucosal tunnel. The distal end of the appendix was brought out as the cutaneous umbilical stoma. Some modifications were done because of the high rate of conversion due to early opening of the mucosa (harmonic hook) or difficult anastomosis: (a) use of 5-mm trocars to change the laparoscope position from the left to right subcostal area to better visualize the anastomosis, (b) the anastomosis was suspended at its two ends during suturing; a trans-abdominal traction suture…
How strong is the evidence?
Evidence Hub reads this as a cohort study, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 15 participants or records.
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