Prophylactic Ureteral Catheterization for Preventing Ureteral Injury in Colorectal Cancer Surgery
Shinobu Ohnuma1, Keigo Kanehara1, Yukihiro Sato1
1Department of Surgery, Tohoku University Graduate School of Medicine, Sendai 980-8574, Miyagi, Japan.
Journal of Clinical Medicine
|June 26, 2025
Summary
Prophylactic ureteral catheterization (PUC) may reduce ureteral injury during colorectal cancer surgery. This study found PUC beneficial for patients with prior pelvic surgery or rectal cancer recurrence, with minor complications.
Area of Science:
- Urology
- Surgical Oncology
- Gastroenterology
Background:
- Iatrogenic ureteral injury is a rare but severe complication in colorectal cancer surgery.
- Prophylactic ureteral catheterization (PUC) is employed to aid ureter identification and mitigate injury risk, though its effectiveness is debated.
Purpose of the Study:
- To assess the clinical utility and patient outcomes associated with prophylactic ureteral catheterization in colorectal cancer surgery.
Main Methods:
- A retrospective analysis of 42 patients undergoing PUC before colorectal cancer surgery.
- Data collected included patient demographics, surgical approaches, reasons for catheterization, and complications.
- Ureteral stents were placed preoperatively via cystoscopy under general anesthesia.
Main Results:
- PUC was most common in left-sided colorectal cancer and rectal cancer recurrence cases.
- Indications included prior pelvic surgery and tumor proximity to the ureter.
- No intraoperative ureteral injuries occurred; minor complications like hematuria and UTIs were transient.
Conclusions:
- Prophylactic ureteral catheterization appears beneficial for colorectal cancer patients at higher risk of ureteral injury, particularly those with a history of pelvic surgery or rectal cancer recurrence.
- The procedure demonstrated a favorable safety profile with manageable complications.
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