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IP39-07 A MULTI-INSTITUTIONAL ANALYSIS OF FOSSA NAVICULARIS RECONSTRUCTION
Abstract   Peer reviewed

IP39-07 A MULTI-INSTITUTIONAL ANALYSIS OF FOSSA NAVICULARIS RECONSTRUCTION

Sweta Parija, Shawn Grove, Nishant Garg, Dhruv Puri, Alex J. Vanni, Amy Zheng, Bryan Voelzke, Sean Elliot, Brian W. Chao, Joseph Pariser, …
The Journal of urology, Vol.215(5S), p.e807
05/2026
DOI: 10.1097/01.JU.0001191512.50502.2b.07

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Abstract

INTRODUCTION AND OBJECTIVES: There are numerous types of surgical repairs for fossa navicularis and distal urethral strictures. Our study aim was twofold: to describe the type of repair by etiology and to evaluate recurrence-free survival (RFS) by etiology. METHODS: A multi-institutional retrospective review evaluated 936 patients from 9 institutions who underwent fossa navicularis stricture repair. Demographic, operative, and outcome data were collected. Recurrence was determined by the need for reintervention including dilation, clean intermittent catheterization (CIC), DVIU, or further revision surgery. Logistic regression was used to conduct a univariate and multivariate analysis to assess stricture etiology association with recurrence and post-operative complications, using a p-value < 0.05 to indicate significance. RESULTS: The mean age was 47.85 ± 15.95 years, and mean follow-up was 20.17 months. Patients with hypospadias or prior urethral repair, were less likely to undergo a transmeatal surgery (p-value 0.04 and <0.001). Patients with an etiology of inflammation/lichen sclerosis were more likely to undergo a dorsal buccal graft repair (p-value of 0.03). Recurrence free survival was 92.52%. On univariate analysis, prior stricture repairs were significantly associated with recurrence (OR 1.89, p-value = 0.021). Multivariate analysis controlling for age, BMI, repair type, and comorbidities supported this association (OR = 3.42, p-value = 0.002). Overall 30-day complication rate was 10.79%, with the most common complication being wound dehiscence/breakdown. Stricture etiology was not significantly associated with post-operative complications. CONCLUSIONS: Fossa navicularis reconstruction showed excellent intermediate recurrence-free survival. Prior stricture repair demonstrated higher recurrence risk than other etiologies and was more likely to undergo additional revision surgery. A tailored surgical approach is utilized based on stricture etiology and characteristics.

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