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Observational Study
. 2024 Jan 20;42(1):40.
doi: 10.1007/s00345-023-04733-0.

Predictors of elaborated perineal or a combined abdominoperineal approach during repair for pelvic fracture urethral injury

Christian Yepes  1   2 , Maciej Oszczudlowski  3 , Pankaj M Joshi  4 , Apurva Anand  4 , Shreyas Bhadranavar  4 , Sanjay B Kulkarni  4
Affiliations
Observational Study

Predictors of elaborated perineal or a combined abdominoperineal approach during repair for pelvic fracture urethral injury

Christian Yepes et al. World J Urol. .

Abstract

Purpose: A step-based anastomotic urethroplasty is a standard technique for repairing the posterior urethra in patients with pelvic fracture urethral injury (PFUI). We aim to identify pre-operative factors, including results of conventional radiological imaging, for prediction of elaborated perineal or a combined abdominoperineal procedure.

Methods: Retrospective observational study on 114 consecutive patients undergoing urethroplasty for PFUI between January 2020 and December 2022 was conducted. Surgical procedures were categorized according to the Webster classification into two groups: steps 1-2 (group 1) and steps 3-4 or a combined abdominoperineal repair (group 2). Pre-operative pattern results of RGU/VCUG were categorized regarding the relation between the proximal urethral stump with the pubic symphysis: posterior urethral stump below (pattern 1) or above (pattern 2) the lower margin of the pubic symphysis. Patient demographics were assessed. Univariate and multivariate logistic regression analyses were utilized.

Results: Overall, 102 patients were enrolled in the study for data analysis. On the multivariate logistic regression analysis, the presence of erectile dysfunction (OR 4.5; p = 0.014), prior combined treatment (endoscopic and urethroplasty) (OR 6.4; p = 0.018) and RGU/VCUG pattern 2 (OR 66; p < 0.001) significantly increased the likelihood of the need of step 3 or higher.

Conclusions: The need of step 3 or higher during urethroplasty for PFUI can be predicted pre-operatively with conventional imaging (RGU/VCUG). Patients with proximal urethral stump above the lower margin of pubic symphysis were about 66 times more likely to need step 3 or higher during urethroplasty.

Keywords: Anastomotic urethroplasty; Inferior wedge pubectomy; Retrograde urethrography; Voiding cystourethrography.

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