Journal List > Korean J Urol > v.49(12) > 1005038

Lee, Kim, Kim, Jung, Lee, and Yoon: Preliminary Report on a Modified Surgical Technique Using Canal Transobturator Tape for the Treatment of Female Stress Urinary Incontinence

Abstract

Purpose

Canal transobturator tape (TOT) was developed to reduce the complications of TOT by modifying the sling procedure of TOT with using a distal urethral polypropylene sling (DUPS). The aim of this present study was to describe a modified surgical technique for the treatment of female urodynamic stress urinary incontinence and to assess the objective and subjective efficacy of Canal TOT.

Materials and Methods

Between October 2006 and November 2007, 87 female patients with stress urinary incontinence were enrolled in this retrospective study. All the patients underwent the Canal TOT procedure. The Incontinence Impact Questionnaire-7 (IIQ-7) and the Urogenital Distress Inventory-6 (UDI-6) were used to evaluate the surgical outcomes.

Results

The mean operative time for Canal TOT was 22.4 minutes (range: 15–39). During the surgery, there were 10% intraoperative and postopreative complications, including De novo urgency (n=3), weak stream (n=4) and difficult emptying (n=2). Yet all these complications occurred in the short-term and they were transient. Concomitant procedures were performed, including cystocele repair (n=7), rectocele repair (n=5), rectocele and cystocele repair (n=14), laparoscopically-assisted vaginal hysterectomy (n=5) and total vaginal hysterectomy (n=1). The average follow-up was 4.5 months (range: 3–12). Both the mean IIQ-7 and UDI-6 scores significantly decreased after Canal TOT and all the patients showed significant improvement of their subjective symptoms of stress incontinence.

Conclusions

Our results demonstrate that Canal TOT may be a safe and effective surgical method for treating urodynamic stress incontinence in Korean women and this procedure provides a high cure rate. (Korean J Urol 2008;49:1119–1124)

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Table 1.
The preoperative patients characteristics
Characteristic  
Median age (range) 54 (34–81)
Menopausal patients (%) 46/87 (53)
No. of prior hysterectomy (%) 7/87 (8)
Median No. of vaginal deliveries (range) 2.1 (0–6)
Table 2.
The operative data
Postoperative results (sling only) Median (range)
Operation time (minutes) 22.4 (15–39)
Hemoglobin change (g/dl) 0.67 (0–2.3)
Hospital stay (days) 3 (2–6)
Follow up (total) (month) 4.5 (3–12)
Concomitant procedure No. of patients (%)
Sling alone 55 (63)
Cystocele repair 7 (8)
Rectocele repair 5 (6)
Cystocele, rectocele repair 14 (16)
Cystocele, rectocele repair, VTH 5 (6)
Cystocele, rectocele repair, LAVH c BSO, staging op. 1 (1)
Intraoperative and short-term No. of
complications patients (%)
Bladder perforation 0 (0)
De novo urgency (transient) 3 (3)
Weak stream 4 (5)
Hematoma in Retzius' space 0 (0)
Difficult emptying 2 (2)
Long-term complications No. of patients (%)
Urinary obstruction 0 (0)
Inguinal pain 0 (0)
Mesh erosion 0 (0)
Dyspareunia 0 (0)

VTH: vaginal total hysterectomy, LAVH: laparoscopic-assisted vaginal hysterectomy, BSO: bilateral salphingo-oophorectomy

Table 3.
The results of the preoperative and postoperative Incontinence Impact Questionnaire (IIQ)-7
IIQ-7 (%) Preoperative Postoperative p-value
Has urinary leakage and/or prolapse affected your:      
1. Household chores 1.60±0.96 0.07±0.30 <0.001
2. Physical reaction 1.64±0.85 0.10±0.34 <0.001
3. Entertainment activities 1.77±0.86 0.21±0.51 <0.001
4. Travel over 30 minutes away from home 1.38±0.99 0.09±0.33 <0.001
5. Social activities 1.68±0.88 0.14±0.44 <0.001
6. Emotional health (nervouness, depression, etc) 1.18±0.98 0.07±0.26 <0.001
7. Feeling frustrated 0.24±0.51 0.03±0.18 <0.001

p-value: paired t-test, Score: 0=not at all, 1=slightly, 2=moderately, 3=greatly

Table 4.
The results of the preoperative and postoperative Urogenital Distress Inventory (UDI)-6
  Preoperative Postoperative p-value
Do you experience, and, if so, how much are you bothered by:      
1. Frequent urination 1.62±1.00 0.21±0.51 <0.001
2. Leakage related to feeling of Urgency 0.51±0.76 0.28±0.48  0.002
3. Leakage related to activity, coughing, or sneezing 2.38±0.70 0.13±0.39 <0.001
4. Small amounts of leakage (drops) 1.69±1.07 0.24±0.46 <0.001
5. Difficulty emptying bladder 1.53±0.99 0.11±0.39 <0.001
6. Pain or discomfort in lower abdominal or genital area 0.68±0.81 0.07±0.26 <0.001

p-value: paired t-test, Score: 0=not at all, 1=slightly, 2=moderately, 3=greatly

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