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Immediately repaired penile fractures: age is the only predictor of postoperative long-term functional outcomes
Ibrahim Erkut Avci1, Hasan Yilmaz1, Naci Burak Cinar1
1Department of Urology, School of Medicine, Kocaeli University, 41380, Kocaeli, Turkey.
Background:
Penile fractures can lead to many functional complications, especially erectile dysfunction (ED). Few studies have evaluated the factors that predict late complications of an immediately repaired penile fracture.
Aim:
To identify the potential predictors of long-term poor functional outcomes following immediate surgical intervention for penile fractures.
Methods:
Sixty-eight consecutive patients with suspected penile fracture between 2003 and 2022 were retrospectively reviewed. Functional outcomes, postoperative complications, and follow-up duration were obtained from the records of follow-up visits. Age at presentation, location and length of the tunical tear, the presence of urethral rupture, and time to surgery were all analyzed as potential risk factors for postoperative functional outcomes.
Outcomes:
Postoperative erectile function and intercourse satisfaction were measured by the IIEF-5 (the 5-item version of the International Index of Erectile Function). Penile curvature, a palpable nodule, and paresthesia/numbness were detected by physical examination. Uroflowmetry was used to assess urinary flow in patients who underwent urethral repair.
Results:
Fifty-eight patients were analyzed. The mean ± SD age was 38.1 ± 10.4 years; the median follow-up was 79.0 months (range, 13-180); the median time to surgery was 9.8 hours (4-30); and the median tunical tear length was 15.5 mm (4-40). Urethral rupture was observed in 8 patients (13.8%). In univariable analyses, urethral rupture was associated with postoperative complications (P = .034). In addition, age at presentation and tunical tear size were significantly associated with postoperative complications and ED (P < .05). However, in multivariable analyses, only age at presentation significantly predicted postoperative complications and ED (P = .004 and P = .037).
Clinical Implications:
Age at presentation is the most important factor determining the prognosis of immediate surgical repair of the penile fracture, which aids in predicting potential complications and discussing them with patients prior to surgical intervention and during the follow-up period.
Strengths And Limitations:
The study's retrospective design is an important limitation. Furthermore, there were no data on an IIEF-5 outcome measuring preoperative erectile function.
Conclusion:
These results revealed an association between (1) urethral rupture, longer tunical tears, and older age and (2) the development of late complications. The remarkable finding of this study was that age at presentation was the only significant predictor of functional complications based on multivariable analyses. This relationship also remained robust in tests evaluating the covariance of the effects of aging on ED.
