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. 2019 Aug;134(2):241-249.
doi: 10.1097/AOG.0000000000003353.

Urologic Injury and Fistula After Hysterectomy for Benign Indications

Kai B Dallas  1 , Lisa Rogo-Gupta, Christopher S Elliott
Affiliations

Urologic Injury and Fistula After Hysterectomy for Benign Indications

Kai B Dallas et al. Obstet Gynecol. 2019 Aug.

Abstract

Objective: To explore the rates and risk factors for sustaining a genitourinary injury during hysterectomy for benign indications.

Methods: In this population-based cohort study, all women who underwent hysterectomy for benign indications were identified from the Office of Statewide Health Planning and Development databases in California (2005-2011). Genitourinary injuries were further classified as identified at the time of hysterectomy, identified after the date of hysterectomy; or unidentified until a fistula developed.

Results: Of the 296,130 women undergoing hysterectomy for benign indications, there were 2,817 (1.0%) ureteral injuries, 2,058 (0.7%) bladder injuries and 834 (0.3%) genitourinary fistulas (80/834 of which developed after an injury repair). Diagnosis was delayed in 18.6% and 5.5% of ureteral and bladder injuries, respectively. Subsequent genitourinary fistula development was lower if the injury was identified immediately (compared with delayed) for both ureteral (0.7% vs 3.4% odds ratio [OR] 0.28; 95% CI 0.14-0.57) and bladder injuries (2.5% vs 6.5% OR 0.37; 95% CI 0.16-0.83). Indwelling ureteral stent placement alone was more successful in decreasing the risk of a second ureteral repair for immediately recognized ureteral injuries (99.0% vs 39.8% for delayed injuries). With multivariate adjustment, prolapse repair (OR 1.44, 95% CI 1.30-1.58), an incontinence procedure (OR 1.40, 95% CI 1.21-1.61), mesh augmented prolapse repair (OR 1.55, 95% CI 1.31-1.83), diagnosis of endometriosis (OR 1.46, 95% CI 1.36-1.56), and surgery at a facility in the bottom quartile of hysterectomy volume (OR 1.37, 95% CI 1.01-1.89) were all associated with an increased likelihood of a genitourinary injury. An exclusively vaginal (OR 0.56, 95% CI 0.53-0.64) or laparoscopic (OR 0.80, 95% CI 0.75-0.86) approach was associated with lower risk of a genitourinary injury as compared with an abdominal approach.

Conclusion: Genitourinary injury occurs in 1.8% of hysterectomies for benign indications; immediate identification and repair is associated with a reduced risk of subsequent genitourinary fistula formation.

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References

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