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Asian Journal of Urology, 2024, 11(3): 341-347    doi: 10.1016/j.ajur.2023.08.007
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Summarizing the evidence for robotic-assisted bladder neck reconstruction: Systematic review of patency and incontinence outcomes
Tenny R. Zhanga,Ashley Alfordb,Lee C. Zhaob*()
aDepartment of Urology, NewYork-Presbyterian Hospital/Weill Cornell Medicine, New York, NY, USA
bDepartment of Urology, NYU Langone Medical Center, New York, NY, USA
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Abstract: 

Objective: Bladder neck contracture and vesicourethral anastomotic stenosis are difficult to manage endoscopically, and open repair is associated with high rates of incontinence. In recent years, there have been increasing reports of robotic-assisted bladder neck reconstruction in the literature. However, existing studies are small, heterogeneous case series. The objective of this study was to perform a systematic review of robotic-assisted bladder neck reconstruction to better evaluate patency and incontinence outcomes.

Methods: We performed a systematic review of PubMed from first available date to May 2023 for all studies evaluating robotic-assisted reconstructive surgery of the bladder neck in adult men. Articles in non-English, author replies, editorials, pediatric-based studies, and reviews were excluded. Outcomes of interest were patency and incontinence rates, which were pooled when appropriate.

Results: After identifying 158 articles on initial search, we included only ten studies that fit all aforementioned criteria for robotic-assisted bladder neck reconstruction. All were case series published from March 2018 to March 2022 ranging from six to 32 men, with the median follow-up of 5-23 months. A total of 119 patients were included in our analysis. A variety of etiologies and surgical techniques were described. Patency rates ranged from 50% to 100%, and pooled patency was 80% (95/119). De novo incontinence rates ranged from 0% to 33%, and pooled incontinence was 17% (8/47). Our findings were limited by small sample sizes, relatively short follow-ups, and heterogeneity between studies.

Conclusion: Despite limitations, current available evidence suggests comparable patency outcomes and improved incontinence outcomes for robotic bladder neck reconstruction compared to open repair. Additional prospective studies with longer-term follow-ups are needed to confirm these findings.

Key words:  Bladder neck    Continence    Incontinence    Patency    Posterior urethra    Reconstructive surgery    Robotic surgery    Stenosis    Stricture    Surgical outcome
收稿日期:  2023-06-07           接受日期:  2023-08-24      出版日期:  2024-07-20      发布日期:  2024-08-13      整期出版日期:  2024-07-20
引用本文:    
. [J]. Asian Journal of Urology, 2024, 11(3): 341-347.
Tenny R. Zhang, Ashley Alford, Lee C. Zhao. Summarizing the evidence for robotic-assisted bladder neck reconstruction: Systematic review of patency and incontinence outcomes. Asian Journal of Urology, 2024, 11(3): 341-347.
链接本文:  
http://www.ajurology.com/CN/10.1016/j.ajur.2023.08.007  或          http://www.ajurology.com/CN/Y2024/V11/I3/341
  
Study Patient, n Etiology (n of patients) Type of robotic repair Follow-up, mo Patency, n (%); method of assessment De novo incontinence, n/total without preexisting incontinence (%)
Musch et al. [14] (Mar 2018) 12 - BNC (9); simple prostatectomy (2); high-intensity focused of prostate (1) - Y-V plasty 23a - 10 (83); International Prostate Symptom Score Incomplete reporting
Granieri et al. [19] (Jul 2018) 7 - BNC (3); VUAS (1); XRT (3) - Y-V plasty 8a - 7 (100); cystoscopy 2/7 (29) not included as unclear if de novo
Kirshenbaum et al. [20] (Aug 2018) 12 - BNC (7); VUAS (5) - Varies and includes redo anastomosis, Y-V plasty, partial prostatectomy 14a - 9 (75); passage of 17 Fr cystoscope or uroflowmetry of >15 mL/s 2/11 (18)
Unterberg et al. [16] (Mar 2019) 1b - Not specified for 1 included patient - Not specified for 1 included patient 7c - 1 (100); passage of 16 Fr cystoscope Not reported
Lavolle et al. [22] (Nov 2019) 6 - VUAS (6), of which 3 also had XRT - Redo anastomosis±bladder flap 19a - 3 (50); freedom from reintervention 3/6 (50) requiring AUS not counted as unclear if de novo
Cavallo et al. [23] (Sep 2021) 12 - XRT (10), of which 1 also had salvage prostatectomy; idiopathic (2) - Redo anastomosis±adjunctive techniques, prostatectomy, flaps 16a - 10 (83); passage of 16 Fr cystoscope 4/12 (33)
Liu et al. [17] (Jan 2022) 8d - VUAS (7), of which 4 also had XRT; trauma (1) - BMG urethroplasty 12a - 6 (75); unknown 0/8 (0)
Shakir et al. [24] (Feb 2022) 32 - VUAS (32), of which 16 also had XRT - Varies and includes primary anastomosis or anterior bladder flap 12a - 24 (75); passage of 17 Fr cystoscope or uroflowmetry of >15 mL/s 2/13 (15)
Bearrick et al. [21] (Mar 2022) 20 - BNC (5); VUAS (15), of which 5 also had XRT - Y-V plasty, redo anastomosis, bladder flap, and urethral pull-through Varied based on etiology - 18 (90); “functional” and “anatomic” evaluation Incomplete reporting
Zhao et al. [25] (Mar 2022) 9 - VUAS (7), of which 4 also had XRT; XRT only (2) - Bladder flap 5c - 7 (78); unknown 0/3 (0)
Pooled outcomee 119 - 95 (80) 8/47 (17)
  
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