| Transurethral incision of congenital obstructive lesions in the posterior urethra in boys and its effect on urinary incontinence and urodynamic study. | |
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MedLine Citation:
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PMID: 20804485 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: • To evaluate the clinical significance of congenital obstructive lesions of the posterior urethra in boys with refractory primary nocturnal enuresis. PATIENTS AND METHODS: • VCUG was performed in 43 consecutive boys who visited our department from April 2004 to April 2009 who were unresponsive to conservative treatment. 20 patients of the 43 patients, underwent TUI. VCUG and UDS were performed before and 3-4 months after TUI. • In UDS, the maximum flow rate (Qmax), maximum bladder capacity, and post-voiding residual urine volume were determined using uroflowmetry (UFM), and the detrusor pressure (Pdet) at Qmax was determined in a pressure flow study (PFS). • Clinical outcome was evaluated 3-4 months and 6 months after TUI. RESULTS: • In VCUG performed 3-4 months after TUI, improvement was observed in urethral morphology in all patients. In preoperative PFS, two patterns were observed: 13 patients (65%) had a synergic pattern (SP) in which the Pdet increased with increasing urinary flow rate simultaneously with the initiation of voiding and seven (35%) had a dyssynergic pattern (DP) in which the Pdet was not coincident with the initiation of voiding, but was higher immediately before voiding than at Qmax. TUI was effective only in the SP group: symptomatic improvement was observed in 87.5% of patients with daytime incontinence and 77% of patients with nocturnal enuresis 6 months after TUI. • In the DP group, no effect was observed (0%). With regard to changes in UDS parameters, a significant decrease (P= 0.0004) was observed in the Pdet at Qmax and a significant increase (P= 0.036) was observed in the maximum bladder capacity in the SP group, whereas no significant differences were noted in any parameters in the DP group. CONCLUSION: • Two voiding urodynamic patterns with different clinical outcomes of TUI were detected among patients with congenital posterior urethral obstruction, the underlying disease of refractory primary nocturnal enuresis in boys. |
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Authors:
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Shigeru Nakamura; Shina Kawai; Taro Kubo; Toshiharu Kihara; Kenichi Mori; Hideo Nakai |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: BJU international Volume: 107 ISSN: 1464-410X ISO Abbreviation: BJU Int. Publication Date: 2011 Apr |
Date Detail:
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Created Date: 2011-09-21 Completed Date: 2011-11-02 Revised Date: 2012-06-25 |
Medline Journal Info:
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Nlm Unique ID: 100886721 Medline TA: BJU Int Country: England |
Other Details:
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Languages: eng Pagination: 1304-11 Citation Subset: IM |
Affiliation:
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Department of Paediatric Urology, Jichi Medical University, Children’s Medical Center, Tochigi, Japan. s-nakamu@jichi.ac.jp |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Child Cystoscopy / methods* Follow-Up Studies Humans Male Nocturnal Enuresis / etiology, physiopathology Retrospective Studies Treatment Outcome Urethra / abnormalities, physiopathology, surgery* Urethral Obstruction / congenital, physiopathology, surgery* Urinary Bladder / physiopathology, surgery* Urinary Incontinence / complications, physiopathology* Urodynamics / physiology* Urologic Surgical Procedures, Male / methods* |
| Comments/Corrections | |
Comment In:
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J Urol. 2012 Jun;187(6):2205-6
[PMID:
22579204
]
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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