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Association between cystoscopy at the time of hysterectomy performed by a gynecologic oncologist and delayed urinary tract injury
  1. Rosa Miller Polan1 and
  2. Emma L Barber2
  1. 1Gynecologic Oncology, Karmanos Cancer Center, Detroit, Michigan, USA
  2. 2Obstetrics & Gynecology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
  1. Correspondence to Dr Rosa Miller Polan, Gynecologic Oncology, Karmanos Cancer Center, Detroit, Michigan, USA; rosa.m.polan{at}gmail.com

Abstract

Objective Guidance regarding the use of cystoscopy at the time of hysterectomy is lacking in gynecologic oncology. We compare the rate of delayed urinary tract injury in women who underwent cystoscopy at the time of hysterectomy performed by a gynecologic oncologist for benign or malignant indication with those who did not.

Methods This was a retrospective cohort study of patients who had a hysterectomy performed by a gynecologic oncologist recorded in the National Surgical Quality Improvement Program between January 2014 and December 2017. The primary outcome was delayed urinary tract injury in the 30-day post-operative period. Secondary outcomes were operative time and urinary tract infection rate. The exposure of interest was cystoscopy at the time of hysterectomy and bivariable tests were used to examine associations.

Results We identified 33 355 women who underwent hysterectomy for benign (41%; n=13 621) or malignant (59%; n=19 734) indications performed by a gynecologic oncologist. Surgical approach was open (39%; n=12 974), laparoscopic or robotic-assisted laparoscopic (55%; n=18 272), and vaginal or vaginally-assisted (6%; n=2109). Overall, 12% of women (n=3873) underwent cystoscopy at the time of surgery; cystoscopy was more commonly performed in laparoscopic (15%; n=2829) and vaginal (12%; n=243) approaches than with open hysterectomy (6%; n=801) (p<0.001). There was no difference in the rate of delayed urinary tract injury in patients who underwent cystoscopy at the time of surgery compared with those who did not (0.4% vs 0.3%, p=0.32). However, patients who underwent cystoscopy were more likely to be diagnosed with a urinary tract infection (3% vs 2%, RR 1.3, 95% CI 1.1 to 1.6). In cases where cystoscopy was performed, median operative time was increased by 9 min (137 vs 128 min, p<0.001).

Conclusion Cystoscopy at the time of hysterectomy performed by a gynecologic oncologist does not result in a lower rate of delayed urinary tract injury compared with no cystoscopy.

  • hysterectomy
  • urinary bladder fistula
  • urinary fistula

Data availability statement

Data are available upon reasonable request.

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Data availability statement

Data are available upon reasonable request.

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Footnotes

  • Contributors ELB: conceptualization, supervision, data analysis and interpretation, methodology, writing of the original draft, and review/editing of the final draft. RMP: conceptualization, data analysis and interpretation, methodology, writing of the original draft, and review/editing of the final draft. RMP is the guarantor.

  • Funding ELB is supported by NICHD (K12 HD050121-12), the NIA (P30AG059988-01A1) and the GOG Foundation.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Supplemental material This content has been supplied by the author(s). It has not been vetted by BMJ Publishing Group Limited (BMJ) and may not have been peer-reviewed. Any opinions or recommendations discussed are solely those of the author(s) and are not endorsed by BMJ. BMJ disclaims all liability and responsibility arising from any reliance placed on the content. Where the content includes any translated material, BMJ does not warrant the accuracy and reliability of the translations (including but not limited to local regulations, clinical guidelines, terminology, drug names and drug dosages), and is not responsible for any error and/or omissions arising from translation and adaptation or otherwise.

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