Objectives <p>To review our preliminary experience and outcomes in repairing urethral stricture using a modified distal penile circular fasciocutaneous flap.</p> Patients and methods <p>A retrospective analysis was conducted from January 2022 to January 2024 on 54 patients who underwent urethral stricture repair using a modified circular penile skin flap. The surgical procedure involved longitudinally splitting the penile circular fasciocutaneous flap in the middle of the dorsal side of the penis and transferring the flap to the ventral side for urethral repair.</p> Results <p>None of the patients exhibited stricture recurrence at a average follow-up of 15 months. All patients achieved successful voiding with no instances of penile skin necrosis or fistula formation. 13 patients(24.1%) developed post-micturition dribbling. 8 cases (14.8%) had mild penile torsion, manifested as a rotation of less than 30° in the penile shaft during erection. The postoperative mean maximum urinary flow rate (Qmax) was 18.6 ± 4.2 mL/s, which was significantly higher than the preoperative Qmax of 6.3 ± 2.1 mL/s (<i>P</i> &lt; 0.001). All patients maintained normal erectile function, with a postoperative IIEF-5 score of 23.5 ± 1.8, which was not significantly different from the preoperative score of 23.9 ± 1.6 (<i>P</i> &gt; 0.05). The 6 circumcised patients did not experience skin shortage during flap harvesting, and no scar-related complications or postoperative penile curvature occurred.</p> Conclusions <p>For the repair of long-segment anterior urethral stricture, preliminary experience indicates that the use of the modified distal penile circular fasciocutaneous flap is a safe and effective surgical technique.Long-term follow-up is needed to further clarify its efficacy and complications.</p>

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Preliminary experience and outcomes of modified distal penile circular fasciocutaneous flap for the treatment of anterior urethral strictures

  • Tong Zhao,
  • Fuhao Ji,
  • Yidong Liu,
  • Lin Wang,
  • Xiangguo Lyu

摘要

Objectives

To review our preliminary experience and outcomes in repairing urethral stricture using a modified distal penile circular fasciocutaneous flap.

Patients and methods

A retrospective analysis was conducted from January 2022 to January 2024 on 54 patients who underwent urethral stricture repair using a modified circular penile skin flap. The surgical procedure involved longitudinally splitting the penile circular fasciocutaneous flap in the middle of the dorsal side of the penis and transferring the flap to the ventral side for urethral repair.

Results

None of the patients exhibited stricture recurrence at a average follow-up of 15 months. All patients achieved successful voiding with no instances of penile skin necrosis or fistula formation. 13 patients(24.1%) developed post-micturition dribbling. 8 cases (14.8%) had mild penile torsion, manifested as a rotation of less than 30° in the penile shaft during erection. The postoperative mean maximum urinary flow rate (Qmax) was 18.6 ± 4.2 mL/s, which was significantly higher than the preoperative Qmax of 6.3 ± 2.1 mL/s (P < 0.001). All patients maintained normal erectile function, with a postoperative IIEF-5 score of 23.5 ± 1.8, which was not significantly different from the preoperative score of 23.9 ± 1.6 (P > 0.05). The 6 circumcised patients did not experience skin shortage during flap harvesting, and no scar-related complications or postoperative penile curvature occurred.

Conclusions

For the repair of long-segment anterior urethral stricture, preliminary experience indicates that the use of the modified distal penile circular fasciocutaneous flap is a safe and effective surgical technique.Long-term follow-up is needed to further clarify its efficacy and complications.