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25.07.2016 | Original Scientific Report | Ausgabe 12/2016

World Journal of Surgery 12/2016

Scoring Systems Used to Predict Bladder Dysfunction After Laparoscopic Rectal Cancer Surgery

Zeitschrift:
World Journal of Surgery > Ausgabe 12/2016
Autoren:
Hyung Ook Kim, Young Sam Cho, Hungdai Kim, Sung Ryol Lee, Kyung Uk Jung, Ho-Kyung Chun
Wichtige Hinweise
Hyung Ook Kim and Young Sam Cho have contributed equally to this work.

Abstract

Background

Postoperative bladder dysfunction often occurs after rectal cancer surgery, necessitating long-term urinary catheter drainage. The aim of this study was to evaluate the feasibility of early catheter removal and to propose scoring systems that may predict urinary dysfunction after laparoscopic rectal cancer surgery.

Methods

A total of 110 patients who underwent elective laparoscopic rectal cancer surgery were included in this prospective observational study. The urinary catheter was removed on the first postoperative day.

Results

The overall incidence of bladder dysfunction was 29.1 % (32/110). The incidence of bladder dysfunction was significantly higher in patients with an age of 65 years or older, male gender, and anastomosis levels from the anal verge of 6 cm or below (P = 0.03, 0.002, and 0.03, respectively). By setting a cut-off of two of the risk factors, this simple scoring system can predict postoperative bladder dysfunction with sensitivity of 96.9 %, specificity of 50.0 %, and accuracy of 63.6 %. A scoring system based on regression coefficients was also conducted according to the following formula: bladder dysfunction predicting score = 18 (1 for male or 0 for female) +0.5 (age, years) −2 (anastomosis level, cm). With this method, a cut-off value of 35+ points predicts postoperative bladder dysfunction with a sensitivity of 81.3 %, specificity of 71.8 %, and accuracy of 74.5 %.

Conclusions

Bladder dysfunction after laparoscopic rectal cancer surgery following early catheter removal occurred in 29.1 % of patients. Two scoring systems using three risk factors (age, male gender, and anastomosis level) may predict postoperative bladder dysfunction.

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