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Vesicouterine Fistula After Cesarean Delivery at Full Cervical Dilation
Alessandro Bulfoni1, Giulia Bonavina1, Stefano Acerboni1
1From the Department of Obstetrics and Gynecology, IRCCS Humanitas Research Hospital, Milan.
Importance:
Vesicouterine fistula (VUF) is an iatrogenic consequence of cesarean section in the vast majority of cases. The worldwide increase of cesarean delivery rates is likely to be accompanied by a rise of this complication, and surgery is the mainstay treatment.
Objective:
The aim of the study is to assess current evidence on VUF pathogenesis and management.
Study Design:
The study is a case report and literature review on PubMed and Embase spanning over the past 2 decades.
Results:
An early VUF developed after a cesarean section at full cervical dilation and concurrent incidental bladder injury. A transabdominal extravesical repair was performed 3 months after cesarean delivery. Both the cystotomy and hysterotomy were repaired in a double-layer fashion with no interposition flap. A contemporary literature review including 25 patients showed that VUF was repaired transabdominally in 21 patients (84%), and an open approach was adopted in 18 patients (85.7%). In most patients, the uterine side was closed with a single-layer suture and an interposition flap was used to reinforce the repair. Concomitant hysterectomy was performed in 6 patients (24%). Overall, successful term pregnancies were reported in 2 patients after VUF repair.
Conclusions:
Vesicouterine fistula is a rare event and is commonly associated with cesarean sections, especially those with a concurrent bladder injury. Careful and meticulous surgical technique may prevent the occurrence of this condition. Delayed repair and double-layer closure of both bladder and uterus, with or without an interposition flap, are recommended.
