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Difficulty: MediumGynecologic Procedures and Complications

A 48-year-old woman with a history of two prior cesarean deliveries is undergoing a total abdominal hysterectomy for severe symptomatic adenomyosis. While sharply dissecting the scarred vesicouterine reflection to mobilize the bladder, the surgeon notes a sudden pooling of clear fluid in the operative field. Careful inspection reveals an inadvertent 2.5-cm laceration at the dome of the bladder.

Arrange the following intraoperative and postoperative management steps in the most appropriate chronological sequence for this patient.

  1. 1Evaluate the exact size of the laceration and assess its distance from the ureteral orifices
  2. 2Perform a primary closure of the mucosal and muscularis layers using a continuous absorbable suture
  3. 3Place a second imbricating layer of absorbable suture over the initial closure
  4. 4Retrogradely instill colored dye into the bladder via a transurethral catheter
  5. 5Maintain continuous bladder decompression with an indwelling urinary catheter for 7 to 14 days

Answer

The correct sequence for managing an intraoperative cystotomy is to first assess the injury (ensuring ureters are safe), perform a primary closure, reinforce with a second imbricating layer, confirm a watertight seal with dye, and finally leave an indwelling catheter for postoperative decompression.
Intraoperative bladder injuries, most commonly occurring at the dome during the creation of the bladder flap, require a systematic approach. The surgeon must first fully define the extent of the injury and ensure it is safely distant from the ureteral orifices (the trigone). Once confirmed, a classic two-layer closure is performed using delayed-absorbable sutures: a primary continuous closure of the mucosa/muscularis, followed by a second imbricating layer over the serosa/muscularis. Following the repair, it is mandatory to test the integrity of the suture line by filling the bladder with a colored fluid (e.g., methylene blue, indigo carmine, or sterile milk). Finally, to allow the repair to heal without tension, continuous bladder decompression via an indwelling Foley catheter must be maintained for 7 to 14 days postoperatively.

Step-by-Step Solution

1
Evaluate the exact size of the laceration and assess its distance from the ureteral orifices
Confirms the injury is limited to the bladder dome.
Injuries near the trigone require possible ureteral stenting or urology consultation, so full anatomical assessment must precede any suturing.
2
Perform a primary closure of the mucosal and muscularis layers using a continuous absorbable suture
Reapproximates the tissue edges.
This provides the primary hemostasis and structural repair of the bladder wall.
3
Place a second imbricating layer of absorbable suture over the initial closure
Reinforces the primary suture line.
A two-layer closure is the standard of care for cystotomies to relieve tension and prevent postoperative vesicovaginal fistulas.
4
Retrogradely instill colored dye into the bladder via a transurethral catheter
Checks for any leakage from the repair site.
Confirms that the repair is watertight before concluding the surgery.
5
Maintain continuous bladder decompression with an indwelling urinary catheter for 7 to 14 days
Allows the bladder to rest and heal.
Prevents normal postoperative bladder distension, which could stretch the healing tissues and cause the repair to break down.

Key Concept

Stepwise repair of an intraoperative bladder injury (cystotomy)
Estimated Time:1m 0s
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Topics

Gynecologic Procedures and Complications

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