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Horiguchi A, Shinchi M, Hirano Y, Asanuma H, Ishiura Y, Inoue K, Kanematsu A, Tabei T, Tamura Y, Nakajima Y, Moriya K, Yagihashi Y, Fukagai T, Fujii Y. Clinical questions in the Japanese Urological Association's 2024 clinical practice guidelines for urethral strictures. Int J Urol 2024. [PMID: 38874432 DOI: 10.1111/iju.15512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Accepted: 05/30/2024] [Indexed: 06/15/2024]
Abstract
Transurethral procedures such as direct vision internal urethrotomy and urethral dilation have been the traditional treatments for urethral strictures. However, transurethral procedures are associated with high recurrence rates, resulting in many uncured cases and prompting major international urological societies to recommend urethroplasty as the standard treatment owing to its high success rate. In contrast, many Japanese general urologists have little doubts about treating urethral strictures with transurethral treatment. Therefore, urethral stricture treatments in Japan are not in line with those used in other countries. To address this, the Trauma, Emergency Medicine, and Reconstruction Subcommittee of the Japanese Urological Association has developed guidelines to offer standardized treatment protocols for urethral stricture, based on international evidence and tailored to Japan's medical landscape. These guidelines target patients with a clinically suspected urethral stricture and are intended for urologists and general practitioners involved in its diagnosis and treatment. Following the Minds Clinical Practice Guideline Development Manual 2020, the committee identified eight critical clinical issues and formulated eight clinical questions using the "patient, intervention, comparison, and outcome" format. A comprehensive literature search was conducted. For six clinical questions addressed by the existing guidelines or systematic reviews, the level of evidence was determined by qualitative systematic reviews. Quantitative systematic reviews and meta-analyses were performed for the two unique clinical questions. The recommendation grades were determined using the Delphi method and consensus by the committee. These guidelines will be useful to clinicians in daily practice, especially those involved in the care of urethral strictures.
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Affiliation(s)
- Akio Horiguchi
- Department of Urology, National Defense Medical College, Tokorozawa, Saitama, Japan
- Division of Trauma Reconstruction, National Defense Medical College, Tokorozawa, Saitama, Japan
| | - Masayuki Shinchi
- Department of Urology, National Defense Medical College, Tokorozawa, Saitama, Japan
| | - Yusuke Hirano
- Department of Urology, National Defense Medical College, Tokorozawa, Saitama, Japan
| | - Hiroshi Asanuma
- Department of Urology, Keio University School of Medicine, Shinjuku, Tokyo, Japan
| | | | - Koji Inoue
- Department of Urology, Kurashiki Central Hospital, Kurashiki, Okayama, Japan
| | - Akihiro Kanematsu
- Department of Urology, Hyogo Medical University, Nishinomiya, Hyogo, Japan
| | - Tadashi Tabei
- Department of Urology, Fujisawa Shonandai Hospital, Fujisawa, Kanagawa, Japan
| | - Yoshimi Tamura
- Department of Urology, Shibukawa Medical Center, Shibukawa, Gunma, Japan
| | | | - Kimihiko Moriya
- Department of Pediatric Urology, Jichi Children's Medical Center Tochigi, Shimotsuke, Tochigi, Japan
| | - Yusuke Yagihashi
- Department of Urology, Shizuoka City Shizuoka Hospital, Shizuoka City, Shizuoka, Japan
| | - Takashi Fukagai
- Department of Urology, Showa University, Shinagawa, Tokyo, Japan
| | - Yasuhisa Fujii
- Department of Urology, Tokyo Medical and Dental University, Bunkyo, Tokyo, Japan
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Hirano Y, Horiguchi A, Shinchi M, Ojima K, Kimura F, Takahashi E, Asakuma J, Uemura S, Tsuda H, Miyai K, Ito K. High frequency of concomitant squamous metaplasia in bulbar urethral stricture and its association with reconstructive delay and urethral rest. World J Urol 2024; 42:348. [PMID: 38789804 DOI: 10.1007/s00345-024-05052-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 05/06/2024] [Indexed: 05/26/2024] Open
Abstract
PURPOSE To determine the prevalence of concomitant squamous metaplasia (SM), the initial histological change from normal urethra to urethral stricture, in bulbar urethral strictures and to investigate the associated clinical factors. METHODS A retrospective review was conducted on 165 male patients with bulbar urethral strictures who underwent excision and primary anastomosis (EPA) between 2010 and 2020, for whom complete clinical data and excised urethral specimens were available. An experienced pathologist histologically evaluated concomitant SM in paraffin sections of the proximal end of the excised urethra blinded to the clinical data. Disease duration was calculated as the period from the initial diagnosis of urethral stricture to the date of EPA. The association between concomitant SM and clinical background was investigated. RESULTS SM was identified in 86 (52.1%) patients. The median disease duration in patients with SM (38 months) was significantly longer than that in patients without SM (9 months, p < 0.0001). In multivariate analysis, the longer disease duration, non-traumatic stricture etiology, and failure to maintain urethral rest with urinary diversion via a suprapubic tube for more than 90 days were independent factors predicting concomitant SM. No significant difference was observed in success rates of EPA between patients with SM (93.2%) and those without SM (97.5%, p = 0.18). CONCLUSIONS Reconstructive urologists need to be aware that concomitant SM is frequent in patients with bulbar urethral stricture, especially in those with long disease duration and those who were voiding volitionally during the period of urethral rest.
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Affiliation(s)
- Yusuke Hirano
- Department of Urology, National Defense Medical College, 3-2 Namiki, Tokorozawa-City, Saitama, 359-8513, Japan
| | - Akio Horiguchi
- Department of Urology, National Defense Medical College, 3-2 Namiki, Tokorozawa-City, Saitama, 359-8513, Japan.
| | - Masayuki Shinchi
- Department of Urology, National Defense Medical College, 3-2 Namiki, Tokorozawa-City, Saitama, 359-8513, Japan
| | - Kenichiro Ojima
- Department of Urology, National Defense Medical College, 3-2 Namiki, Tokorozawa-City, Saitama, 359-8513, Japan
| | - Fumihiro Kimura
- Department of Urology, Nishisaitama-Chuo National Hospital, Saitama, Japan
| | - Eiji Takahashi
- Department of Urology, Nishisaitama-Chuo National Hospital, Saitama, Japan
| | - Junichi Asakuma
- Department of Urology, Nishisaitama-Chuo National Hospital, Saitama, Japan
| | - Satoshi Uemura
- Department of Basic Pathology, National Defense Medical College, Saitama, Japan
| | - Hitoshi Tsuda
- Department of Basic Pathology, National Defense Medical College, Saitama, Japan
| | - Kosuke Miyai
- Department of Basic Pathology, National Defense Medical College, Saitama, Japan
| | - Keiichi Ito
- Department of Urology, National Defense Medical College, 3-2 Namiki, Tokorozawa-City, Saitama, 359-8513, Japan
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Pang KH, Osman NI, Chapple CR, Eardley I. Erectile and Ejaculatory Function Following Anterior Urethroplasty: A Systematic Review and Meta-analysis. Eur Urol Focus 2022; 8:1736-1750. [PMID: 35430159 DOI: 10.1016/j.euf.2022.03.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 02/23/2022] [Accepted: 03/30/2022] [Indexed: 01/25/2023]
Abstract
CONTEXT The degree of change in erectile (EF) and ejaculatory function (EjF) according to validated questionnaires following anterior urethroplasty and different techniques is unclear. OBJECTIVE To investigate the evidence on EF and EjF evaluated via validated questionnaires following anterior urethroplasty. EVIDENCE ACQUISITION A systematic review (PROSPERO ID: CRD42021229797) of the literature was performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses checklist. The PubMed and CENTRAL databases were searched on February 1, 2021, with an updated search performed on December 1, 2021. Studies evaluating EF and/or EjF using validated questionnaires in men aged ≥18 yr following anterior urethroplasty were included. EVIDENCE SYNTHESIS Overall, 29 studies (two randomised and 27 nonrandomised) were included. The questionnaire most commonly used to evaluate EF and EjF was the International Index of Erectile Function (IIEF) and Male Sexual Health Questionnaire (MSHQ), respectively. The incidence of postoperative erectile dysfunction (ED) was 0-38% and the mean change in EF score according to the IIEF ranged from -4.0 to 2.5. The incidence of postoperative ejaculatory dysfunction (EjD) was 7.7-67% and the mean change in EjF score according to the MSHQ-EjD was 0.7-7.0. Meta-analyses revealed a mean difference of -0.87 (95% confidence interval [CI] -1.50 to -0.23; p = 0.008) in IIEF-EF score and 1.77 (95% CI 0.61-2.93; p = 0.003) in MSHQ-EjF score following anterior urethroplasty. CONCLUSIONS EF and EjF may be affected following anterior urethroplasty and men should be counselled appropriately. Owing to the variation in questionnaires and cutoff scores used, EF and EjF outcomes following different urethroplasty techniques are heterogeneous, with limited data from randomised controlled trials. An agreement on questionnaires and cutoff scores should be established to allow consistent reporting. Future research should aim to investigate best approaches for minimising sexual dysfunction. PATIENT SUMMARY Surgical repair of the urethra (urethroplasty) used to treat narrowing of the urethra (urethral stricture) may affect erectile and ejaculatory function. Different questionnaires and definitions are used to evaluate sexual function, so it is hard to compare data. The degree of disruption can be affected by different techniques and the severity of disease.
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Affiliation(s)
- Karl H Pang
- Institute of Andrology, University College Hospital, University College London Hospital NHS Foundation Trust, London, UK
| | - Nadir I Osman
- Section of Functional and Reconstructive Urology, Department of Urology, Royal Hallamshire Hospital, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Christopher R Chapple
- Section of Functional and Reconstructive Urology, Department of Urology, Royal Hallamshire Hospital, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - Ian Eardley
- Section of Andrology, Pyrah Department of Urology, St. James's Hospital, The Leeds Teaching Hospital NHS Trust, Leeds, UK.
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