Ultrasound comparison of adjustable single-incision (Ajust) and transobturator tapes to assess post-operative fixation and function and clinical efficacy
Authors:
F. Farhat 1; K. Švabík 2; P. Hubka 2; A. Martan 2; J. Mašata 2
Authors‘ workplace:
Gynekologicko-porodnická klinika, Masarykova nemocnice, Ústí nad Labem, přednosta doc. MUDr. T. Binder, CSc.
1; Gynekologicko-porodnická klinika VFN a 1. LF UK, Praha, přednosta prof. MUDr. A. Martan, DrSc.
2
Published in:
Ceska Gynekol 2016; 81(5): 324-335
Overview
Objective:
The aim of this study was to compare fixation and mobility of adjustable single-incision (Ajust) and standard transobturator midurethral sling (TVT-O) tapes based on postoperative ultrasound monitoring of the position of the tape at rest and at maximal Valsava (tape descent). The hypothesis was that fixation of SIMS Ajust is comparable to that achieved by the standard transobturator midurethral sling.
Setting:
Gynecology and Obstetrics Department, GUH and 1st Charles University Prague; Gynecology and Obstetrics Department Masarykova nemocnice Ústí nad Labem.
Design:
Randomized trial, secondary analysis of ultrasound follow-up.
Methods:
Between May 2010 and May 2012 100 women with proven urodynamic stress urinary incontinence were included in this randomized trial.
All patients underwent a complete urogynecological investigation before the procedure (clinical examination, urodynamics, ultrasound examination), and they filled in the ICIQ and iQol questionnaires; after surgery, to evaluate their satisfaction with the procedure, VAS and Likert scales were added.
Ultrasound examination as part of each post-operative check-up was performed the first day after surgery, two weeks, three months and one year after surgery. Ultrasound measurements were taken in a supine position at rest and during maximal Valsalva. Position of the bladder neck was assessed, and the position of the tape with respect to upper and lower tape margins.
Results:
At one-year follow up no differences in subjective cure rates and objective cure rates were observed. In all checks after surgery there was no difference between the position of the tape at rest and at maximal Valsalva between the Ajust and TVT-O groups.
The length of the upper and lower tape descent was similar. In TVT-O patients the mean length of upper tape margin descent increased from 8.8 mm on the first day after surgery to 10.0 mm three months after surgery; afterwards it remained stable. For Ajust patients there was virtually the same development – from 9.1 to 12 mm – and there was no further increase in the tape descent following the three-month measurement.
Conclusions:
The quality of the tape fixation after the Ajust procedure is as good as after standard transobturator midurethral sling. We did not observe any statistically significant differences in tape position and descent, indicating that the function is similar to obturator tape, which in turn suggests the same clinical efficacy. Ultrasound monitoring should be the part of post-operative monitoring whenever novel surgical techniques are introduced.
Keywords:
TVT-O, Ajust, iQol, ICIQ, stress urinary incontinence, transperineal utlrasound
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