Tag Archives: Ureter

Iatrogenic urologic injuries 

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Ferrara M, Kann BR. Urological injuries during colorectal surgery. Clin Colon Rectal Surg. 2019 May;32(3):196-203.

“A recent retrospective population-based study of patients in the United States undergoing colorectal surgery found the overall incidence of ureteral injury to be 0.28%. The incidence was found to be significantly higher in patients with stage 3 or 4 cancer, malnutrition, steroid use, and in operations done at teaching hospitals. Rectal cancer cases were found to have the highest rates of ureteral injuries (7.1/1,000), followed by Crohn’s disease and diverticular disease (2.9/1,000 each). In this review, laparoscopic surgery was associated with a lower incidence of ureteral injuries when compared with open (1.1 vs. 2.8/1,000, p  < 0.001). Of the specific operations reviewed, abdominoperineal resection (APR) was found to have the highest rate of ureteral injury at 7.1/1,000 cases.” (Ferrara, 2019, p. 196)

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Iatrogenic ureteral injury in colorectal cancer surgery

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Andersen P, et al. Iatrogenic ureteral injury in colorectal cancer surgery: a nationwide study comparing laparoscopic and open approaches. Surg Endosc. 2015 Jun;29(6): 1406-12.

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Results: A total of 18,474 patients had a resection for colorectal cancer. Eighty-two ureteral injuries were related to colorectal surgery. The rate of ureteral injuries in the entire cohort was 0.44 %, with 37 (0.59 %) injuries in the laparoscopic group (n = 6,291) and 45 (0.37 %) injuries in the open group (n = 12,183), (P = 0.03). No difference in ureteral injury was found in relation to surgical approach in colon cancer patients. In rectum cancer patients (n = 5,959), the laparoscopic approach was used in 1,899 patients, and 19 (1.00 %) had ureteral injuries, whereas 17 (0.42 %) of 4,060 patients who underwent an open resection had a ureteral injury. In multivariate analysis adjusted for age, gender, ASA score, BMI, tumor stage, preoperative chemo-radiation, calendar year, and specialty of the surgeon, the laparoscopic approach was associated with an increased risk of ureteral injury, OR = 2.67; 95 % CI 1.26-5.65.

Conclusion: In this nationwide study laparoscopic surgery for rectal cancer with curative intent was associated with a significantly increased risk of iatrogenic ureteral injury compared to open surgery.

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