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World Journal of Urology

, Volume 37, Issue 4, pp 601–606 | Cite as

Evaluation of the effect of urethroplasty for anterior urethral strictures by a validated disease-specific patient-reported outcome measure

  • Akio HoriguchiEmail author
  • Masayuki Shinchi
  • Kenichiro Ojima
  • Ayako Masunaga
  • Keiichi Ito
  • Tomohiko Asano
  • Eiji Takahashi
  • Fumihiro Kimura
  • Ryuichi Azuma
Topic Paper

Abstract

Purpose

To better understand our urethroplasty outcome, we translated the English version of a urethral stricture surgery patient-reported outcome measure (USS-PROM) into Japanese and used it to evaluate the effect of urethroplasty for anterior urethral strictures.

Methods

The PROM quantifies lower urinary tract symptoms (LUTS) and health-related quality of life (EQ-5D), and it evaluates overall satisfaction by asking patients to choose “very satisfied”, “satisfied”, “unsatisfied”, or “very unsatisfied”. 93 Japanese-speaking male patients with anterior urethral stricture who underwent urethroplasty completed it before (baseline) and 6 months after urethroplasty. The psychometric criteria evaluated in the present study were the PROM’s internal consistency, test–retest reliability, criterion validity, and responsiveness.

Results

Qmax was negatively correlated with the LUTS-total scores (r = − 0.61). Cronbach’s alpha was 0.80 and the test–retest intraclass correlation coefficient for the LUTS-total score was 0.82. 83 patients (89.2%) achieved stricture-free, which was defined as no re-stricture on cystoscopy and no need for additional treatment. The mean total LUTS-score improved from 12.4 at baseline to 3.7 postoperatively (p < 0.0001). The mean EQ-5D visual analogue scores and EQ-5D index improved from 61.2 and 0.76, respectively, at baseline to 77.9 and 0.89 postoperatively (p < 0.0001, p < 0.0001). 55 patients (59.1%) were “very satisfied” with the outcome of their urethroplasty and 33 (35.5%) were “satisfied”.

Conclusions

The Japanese version of the USS-PROM has adequate psychometric properties. Urethroplasty improved not only objective data but also voiding symptoms and health-related QOL, and it resulted in a high rate of patient satisfaction.

Keywords

Urethroplasty Quality of life Patient-reported outcome Validation 

Notes

Acknowledgements

This study was supported by a grant for scientific research from the Ministry of Education, Science, Sports and Culture (16H05467). We have no financial interests to disclose.

Author contributions

AH: data collection, project development, data analysis, and manuscript writing. MS: data collection/analysis. KO, AM, KI, TA, ET, and FK: data collection. RA: data collection, project development, and manuscript editing.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.

Informed consent

For this type of study, formal consent is not required.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of UrologyNational Defense Medical CollegeTokorozawaJapan
  2. 2.Department of UrologyNishisaitama-chuo National HospitalSaitamaJapan
  3. 3.Department of Plastic SurgeryNational Defense Medical CollegeSaitamaJapan

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