Pneumovesicoscopic Correction of Primary Vesicoureteral Reflux (VUR) in Children. Our Experience

Abstract

Aim: We report our experience with pneumovesicoscopic cross-trigonal ureteral reimplantation to correct primary vesicoureteral reflux (VUR) in children.

Material and Methods: 14 children (10 girls, 4 boys, aged 4 to 12 years) with persistent VUR≥grade III (5 bilateral, 19 refluxing ureters) underwent pneumovesicoscopic Cohen's cross-trigonal reimplantation. Under cystoscopic control, a first midline 5-mm trocar was introduced for a 0°\30° telescope at the dome of the bladder, and 2 left and right 3- or 5-mm trocars were inserted through the anterolateral wall. The ureter was freed by creating a sharp plane between the detrusor muscle and the ureteral wall. If necessary, the ureter was tailored outside the bladder. Submucosal tunnel(s) were prepared with the help of scissors and graspers. The detrusor at the site of the ureter mobilization was repaired and ureteroneocystomy was performed using 4–5 interrupted absorbable sutures. A 12-Ch Foley catheter was introduced at the site of the dome port. The urethral and suprapubic catheters were removed 2–3 days after the procedure and the patients were discharged on day 3.

Results: One boy developed mild suprapubic emphysema postoperatively. Mean operating time was 136 min (range 80–230 min). No patient required conversion to the open technique. Renal US, VCUG, and MAG3 radionuclide scans were obtained in all patients between 3–6 months postoperatively, and provided evidence of reflux resolution in 13 out of 14 patients.

Conclusion: Our experience seems to confirm that pneumovesicoscopic cross-trigonal ureteral reimplantation can be performed safely and effectively.

vesicoureteral reflux - laparoscopy - pneumovesicum - cross-trigonal reimplantation

References

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