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Panach-Navarrete J, Valls-González L, Martínez-Jabaloyas JM. Endoureterotomy with the Lovaco technique for treatment of ureterointestinal strictures: outcomes in an experienced center and factors associated with procedural success or failure. Scand J Urol 2021; 56:59-65. [PMID: 34775899 DOI: 10.1080/21681805.2021.2002401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
INTRODUCTION The study aimed to present the outcomes of an endoureterotomy series using the Lovaco technique for the treatment of ureterointestinal strictures. Factors influencing the success or failure of this technique were also determined. MATERIALS AND METHODS Data were collected from all endoureterotomies for ureterointestinal strictures performed in a single-center between 2017 and 2020. Clinical variables and characteristics of the stricture were recorded in each case, and success was defined as the complete resolution of ureterohydronephrosis. Univariate analysis was used to correlate the variables recorded with procedural success or failure. RESULTS A total of 25 patients were recruited: 16 with strictures on the left side, 5 on the right, and 4 bilateral. With the first endoureterotomy, 52% of the cases (13 patients) were resolved, and in patients undergoing a second intervention 64% success (16 patients) was achieved. Infectious complications occurred in 23.3% of surgeries. Stricture length, poor renal function, and left side involvement were associated with endoureterotomy failure. CONCLUSIONS Endoureterotomy with the Lovaco technique is a useful method in the setting of ureterointestinal strictures, achieving complete resolution of the obstruction in more than 60% of cases. Factors that can negatively affect the success of the procedure include stricture length, poor renal function, and left side involvement.
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Affiliation(s)
- Jorge Panach-Navarrete
- Department of Urology, University Clinic Hospital of Valencia. INCLIVA, Instituto de Investigación Sanitaria. Facultat de Medicina i Odontologia. Universitat de València, Valencia, Spain
| | - Lorena Valls-González
- Department of Urology, University Clinic Hospital of Valencia. INCLIVA, Instituto de Investigación Sanitaria. Facultat de Medicina i Odontologia. Universitat de València, Valencia, Spain
| | - José María Martínez-Jabaloyas
- Department of Urology, University Clinic Hospital of Valencia. INCLIVA, Instituto de Investigación Sanitaria. Facultat de Medicina i Odontologia. Universitat de València, Valencia, Spain
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Haywood S, Donahue TF, Bochner BH. Management of Common Complications After Radical Cystectomy, Lymph Node Dissection, and Urinary Diversion. Bladder Cancer 2021. [DOI: 10.1007/978-3-030-70646-3_16] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Aminoltejari K, Black PC. Radical cystectomy: a review of techniques, developments and controversies. Transl Androl Urol 2020; 9:3073-3081. [PMID: 33457280 PMCID: PMC7807330 DOI: 10.21037/tau.2020.03.23] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Radical cystectomy (RC) with urinary diversion is considered the standard treatment for muscle invasive bladder cancer (MIBC). As one of the most challenging surgical techniques performed by urologists, RC was described many decades ago, and yet patient morbidity rates have remained stagnant over the years. This review outlines the most recent indications and techniques for RC and analyses the current landscape of complications after cystectomy. There is significant room for improvement with respect to both oncologic and functional outcomes after RC. Future efforts will need to focus on unifying reporting methodology, optimal patient selection criteria, enhanced surgical techniques and peri-operative care pathways, and technological advances to improve patient outcomes.
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Affiliation(s)
- Khatereh Aminoltejari
- Department of Urologic Sciences, Faculty of Medicine, The University of British Columbia, Vancouver, BC, Canada
| | - Peter C Black
- Department of Urologic Sciences, Faculty of Medicine, The University of British Columbia, Vancouver, BC, Canada
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Mohamed N, Leung TM, Shah QN, Pisipati S, Berry DL, Benn EKT, Lee CT, Hall S, Mehrazin R, Sfakianos J. Involving Patients in the Development and Evaluation of an Educational and Training Experiential Intervention (ETEI) to Improve Muscle Invasive Bladder Cancer Treatment Decision-making and Post-operative Self-care: a Mixed Methods Approach. JOURNAL OF CANCER EDUCATION : THE OFFICIAL JOURNAL OF THE AMERICAN ASSOCIATION FOR CANCER EDUCATION 2020; 35:808-818. [PMID: 31175566 PMCID: PMC6898761 DOI: 10.1007/s13187-019-01534-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
This study aims to describe the acceptability and feasibility of an educational and training experiential intervention (ETEI) we developed to enhance muscle invasive bladder cancer (MIBC) patients with treatment decision-making and post-operative self-care. Twenty-five patients were randomized to a control group (N = 8) or ETEI group (N = 17). ETEI group participated in a nurse-led session on MIBC education. The control group received diet and nutrition education. Study questionnaires were completed at baseline and at 1-month post-intervention. Our results showed acceptable recruitment (58%) and retention rates (68%). The ETEI group reported increased knowledge (82% vs. 50%), improved decisional support (64% vs. 50%), improved communication (73% vs. 50%), and increased confidence in treatment decisions (73% vs. 50%) compared to the control group. Patients in the control group reported improved diet (50% v. 27%) as well as maintaining a healthy lifestyle (67% vs. 45%) compared to the ETEI group. Patients in the ETEI group reported a significant decrease in cancer worries and increases in self-efficacy beliefs over time compared to the control group. The ETEI was feasible, acceptable, and showed a potential for inducing desired changes in cancer worries and efficacy beliefs.
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Affiliation(s)
- Nihal Mohamed
- Department of Urology and Oncological Sciences, Icahn School of Medicine at Mount Sinai, 1425 Madison Avenue, New York, NY, 10028, USA.
| | - Tung Ming Leung
- Department of Urology and Oncological Sciences, Icahn School of Medicine at Mount Sinai, 1425 Madison Avenue, New York, NY, 10028, USA
| | - Qainat N Shah
- Albany Medical College, 43 New Scotland Ave., Albany, NY, 12208, USA
| | - Sailaja Pisipati
- University of Nevada Reno School of Medicine, 1664 N Virginia St., Reno, NV, 89557, USA
| | - Donna L Berry
- Dana-Farber Cancer Institute, Harvard Cancer Center, 450 Brookline Ave., Boston, MA, 02215, USA
| | - Emma K T Benn
- Department of Urology and Oncological Sciences, Icahn School of Medicine at Mount Sinai, 1425 Madison Avenue, New York, NY, 10028, USA
| | - Cheryl T Lee
- Department of Urology, Ohio State University, 915 Olentangy River Rd., Columbus, OH, 43212, USA
| | - Simon Hall
- Smith Institute for Urology, 450 Lakeville Road, Lake Success, NY, 11042, USA
| | - Reza Mehrazin
- Department of Urology and Oncological Sciences, Icahn School of Medicine at Mount Sinai, 1425 Madison Avenue, New York, NY, 10028, USA
| | - John Sfakianos
- Department of Urology and Oncological Sciences, Icahn School of Medicine at Mount Sinai, 1425 Madison Avenue, New York, NY, 10028, USA
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Urothelial Carcinoma Recurrence in an Orthotopic Neobladder without Urethral or Upper Urinary Tract Involvement. Case Rep Urol 2019; 2019:8458706. [PMID: 30949373 PMCID: PMC6425315 DOI: 10.1155/2019/8458706] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Accepted: 02/07/2019] [Indexed: 11/18/2022] Open
Abstract
We describe a case of a 71-year-old male with an isolated recurrence of urothelial carcinoma in an ileal neobladder without involvement of the upper urinary tract or urethra. He was diagnosed with high grade urothelial carcinoma involving a bladder diverticulum with associated carcinoma in situ. He underwent a radical cystectomy and orthotopic Studer ileal neobladder. On routine follow-up, 11 years following cystectomy, voided urine cytology was positive for high grade urothelial carcinoma. Further workup revealed normal upper urinary tracts, normal urethra, and a solitary lesion at the left anteroinferior wall of the neobladder. He subsequently underwent resection of the neobladder and conversion to an ileal conduit with pathology confirming the diagnosis of high grade urothelial carcinoma. Isolated recurrence of urothelial carcinoma within a neobladder without involvement of the upper urinary tract or urethra is rare. No guidelines exist regarding its management. Herein we present our management as well as the current literature published on this topic.
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Talat Z, Onal B, Cetinel B, Demirdag C, Citgez S, Dogan C. The surgical technique and initial outcomes of Anatolian neobladder: a novel technique of ileal neobladder after radical cystectomy. BMC Urol 2018; 18:94. [PMID: 30367600 PMCID: PMC6203991 DOI: 10.1186/s12894-018-0406-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Accepted: 10/17/2018] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND We describe a detailed novel step-by-step approach for creation of an ileal neobladder and compare the outcomes with standart neobladder. METHODS Between August 2009 and January 2016, 36 consecutive patients with bladder cancer underwent radical cystectomy and orthotopic urinary diversion with an ileal neobladder. A novel technique of ileal neobladder construction, called the Anatolian neobladder, was designed by a single surgeon (ZT). Demographics and clinical data were collected. Perioperative, oncologic, and functional outcomes were reported. Complications were graded as early or late. These outcomes were compared with patients who underwent standard neobladder during this period in our center. RESULTS The operation was technically successful in all cases. Early postoperative complications occurred in 33.3% of the patients. Daytime continence was achieved successfully in 83.3% of the patients. No patient had severe metabolic acidosis. Six patients (16.6%) died during follow-up, five due to metastatic bladder cancer and one due to a cardiac problem. There was no any statistically significant difference between novel technique and standard neobladder for oncological and functional outcomes. CONCLUSIONS The Anatolian ileal neobladder is as feasible and safe as standard neobladder technique for urinary diversion in patients with bladder cancer undergoing radical cystectomy.
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Affiliation(s)
- Z Talat
- Department of Urology, Istanbul University-Cerrahpasa, Cerrahpasa Medical Faculty, Fatih, 34098, Istanbul, Turkey
| | - B Onal
- Department of Urology, Istanbul University-Cerrahpasa, Cerrahpasa Medical Faculty, Fatih, 34098, Istanbul, Turkey
| | - B Cetinel
- Department of Urology, Istanbul University-Cerrahpasa, Cerrahpasa Medical Faculty, Fatih, 34098, Istanbul, Turkey
| | - C Demirdag
- Department of Urology, Istanbul University-Cerrahpasa, Cerrahpasa Medical Faculty, Fatih, 34098, Istanbul, Turkey
| | - S Citgez
- Department of Urology, Istanbul University-Cerrahpasa, Cerrahpasa Medical Faculty, Fatih, 34098, Istanbul, Turkey.
| | - C Dogan
- Department of Urology, Istanbul University-Cerrahpasa, Cerrahpasa Medical Faculty, Fatih, 34098, Istanbul, Turkey
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Risk factors, follow-up, and treatment of urethral recurrence following radical cystectomy and urinary diversion for bladder cancer: a meta-analysis of 9498 patients. Oncotarget 2017; 9:2782-2796. [PMID: 29416811 PMCID: PMC5788679 DOI: 10.18632/oncotarget.23451] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Accepted: 08/26/2017] [Indexed: 11/25/2022] Open
Abstract
Purpose Patients frequently undergo radical cystectomy and urinary diversion for treatment of bladder cancer. However, they remain at risk of urethral recurrence (UR). Studies have determined various risk factors leading to urethral recurrence. However, no publications have weighed the predictive values of these factors. Materials and Methods Studies published between 1971 and 2016 were retrieved from PubMed, EMBASE and MEDLINE. We used STATA software (Version 12.0) to estimate the pooled risk ratio. Results Twenty-five publications with 9498 patients were included. Overall, male patients, especially those with concomitant carcinoma in situ, superficial or intravesical bladder cancer, non-orthotopic diversion, prostatic involvement, bladder neck involvement, positive urethral margins or multifocal bladder cancer were at higher risk of urethral recurrence. The overall risks of recurrence, reported as risk ratios, varied widely. Among all 25 studies, 118 (60.2%) cases in 9 studies were diagnosed through routine follow-up. Another 82 (40.8%) patients in 11 studies first reported symptomatic abnormalities. Prognoses were worse for patients with symptomatic recurrence. Urethral cytology was the most common diagnostic method. Treatment after UR was reported for 272 cases in 14 publications, and 190 patients underwent urethrectomy and 52 underwent urethra-sparing treatments. Outcomes after UR were described in 12 studies reporting 180 cases, and 41 patients were alive through the end of follow-up and 65 patients died of bladder cancer. Conclusions UR following radical cystectomy for bladder cancer was closely related to risk factors. Precautions, strict follow-up protocols and rational therapies were critical to patients with high risks of urethral recurrences.
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Flack CK, Monn MF, Kaimakliotis HZ, Koch MO. Functional and Clinicopathologic Outcomes Using a Modified Vescica Ileale Padovana Technique. Bladder Cancer 2015; 1:73-79. [PMID: 30561444 PMCID: PMC6218179 DOI: 10.3233/blc-140002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVE To evaluate the clinicopathologic and functional outcomes of a modified Vescica ileale Padovana (VIP) neobladder technique. METHODS Data for 160 patients at a single institution who underwent radical cystectomy and orthotopic VIP neobladder creation between 1998 and 2013 were analyzed. Modified VIP technique involved longitudinal opening of the small bowel close to the anterior mesenteric border instead of along the true anti-mesentery. This allowed for creation of a dependent neourethral funnel and a large serosal surface for ureteral anastomosis, distant from any suture lines. RESULTS Mean age for the entire cohort was 59.5, with 9% female and 64% with muscle invasive disease prior to cystectomy. Within 30 days of surgery, 16 patients (10%) developed a Clavien grade 3-4 complication and there were no deaths. Ninety-six percent reported minor or no daytime urinary leakage at 12 months, and 70% reported minor or no nighttime urinary leakage. Two- and five-year overall survival rates were 84.2% and 72.6% , respectively. Seven patients developed a ureteral stricture (4%), three (2%) had bladder neck contractures, two (1%) experienced urethral recurrence, and there were no vesicovaginal fistulas. CONCLUSIONS This modified VIP neobladder technique achieves favorable functional, survival, and recurrence outcomes similar to other published orthotopic continent diversions. Its near spheroidal shape lowers internal pressure, allowing for improved continence at physiologic filling capacity, and its offset bowel opening helps prevent unnecessary stretch to the native urethra, even in large individuals. The widened uretero-enteric anastomosis site distant from bowel suture lines contributes to decreased stricture rates and its placement on the dome of the neobladder facilitates endoscopic access should strictures occur. Finally, lack of posterior overlapping suture lines also mitigates the risk of fistulae formation in females should anterior vaginal wall excision or entry be unavoidable.
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Affiliation(s)
- Chandra K. Flack
- Indiana University School of Medicine, Department of Urology, Indianapolis, IN, USA
| | - M. Francesca Monn
- Indiana University School of Medicine, Department of Urology, Indianapolis, IN, USA
| | | | - Michael O. Koch
- Indiana University School of Medicine, Department of Urology, Indianapolis, IN, USA
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Sacrocolpopexy with polypropylene tape as valuable surgical modification during cystectomy with orthotopic ileal bladder: functional results. BIOMED RESEARCH INTERNATIONAL 2015; 2015:306191. [PMID: 25789311 PMCID: PMC4350582 DOI: 10.1155/2015/306191] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/24/2014] [Revised: 11/06/2014] [Accepted: 11/06/2014] [Indexed: 11/23/2022]
Abstract
Introduction. Urinary diversion is very often associated with urinary retention and urinary incontinence. In this study, a surgical modification during cystectomy with orthotopic ileal neobladder is presented. Material and Methods. Female patients enrolled in the study (n-24) were subjected to sacrocolpopexy during the operation. Apart from oncological control, the follow-up consisted of 1-hour inlay test and questionnaires (UDI-6 and IIQ-7) in the 3rd, 6th, and 12th month after the operation. In the 12th month after the surgery, the urodynamic pressure-flow test was performed. Outcomes were compared with the control group (n-18) in which sacrocolpopexy was not implemented. Results. The study group was characterised by reduced urinary retention and improved continence. Conclusion. Sacrocolpopexy during cystectomy with orthotopic ileal bladder is a valuable surgical method which provides patients with a better quality of life.
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James AC, Lin DW, Wright JL. Neobladders and continent catheterizable stomas for the bladder cancer survivor. Curr Opin Urol 2015; 24:407-14. [PMID: 24841376 DOI: 10.1097/mou.0000000000000069] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE OF REVIEW Health-related quality of life (HRQOL) following radical cystectomy for bladder cancer is an important outcome measure following radical cystectomy. Understanding HRQOL issues related to continent urinary diversion is crucial in the care and counseling of patients undergoing radical cystectomy. The goals of this review are to give a broad overview of the major types of continent urinary diversions and to review recent literature examining HRQOL in patients undergoing orthotopic neobladders and continent catheterizable urinary reservoirs following radical cystectomy. RECENT FINDINGS Generic questionnaires that broadly address physical, social, and mental functioning and bladder cancer-specific questionnaires that more specifically address urinary, bowel, and sexual function have been utilized to measure HRQOL following radical cystectomy. Although existing studies indicate that overall quality of life may be similar in patients with continent and noncontinent urinary diversions, more specific comparisons of urinary and sexual function are conflicting and complicated by sex-specific concerns. Uterine preservation may improve urinary function in women with continent urinary diversions. SUMMARY Although the development of disease-specific validated questionnaires has improved our understanding of HRQOL following radical cystectomy, a lack of prospective studies limits conclusions regarding the superiority of diversion type. Appropriate preoperative consultation may facilitate realistic expectations, thereby optimizing outcomes.
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Affiliation(s)
- Andrew C James
- Department of Urology, University of Washington School of Medicine, Seattle, Washington, USA
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Singh V, Yadav R, Sinha RJ, Gupta DK. Prospective comparison of quality-of-life outcomes between ileal conduit urinary diversion and orthotopic neobladder reconstruction after radical cystectomy: a statistical model. BJU Int 2013; 113:726-32. [DOI: 10.1111/bju.12440] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Vishwajeet Singh
- Department of Urology; King George Medical University; Lucknow Uttar Pradesh India
| | - Rahul Yadav
- Department of Urology; King George Medical University; Lucknow Uttar Pradesh India
| | - Rahul Janak Sinha
- Department of Urology; King George Medical University; Lucknow Uttar Pradesh India
| | - Dheeraj Kumar Gupta
- Department of Urology; King George Medical University; Lucknow Uttar Pradesh India
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Zhong S, Zhu Z, Wang X, Pan C, Chen S, Shen Z. RETRACTED: Modified U-shaped ileal neobladder after radical cystectomy: Assessment of functional outcomes and complications in Chinese patients. Urol Oncol 2013; 31:1683-8. [DOI: 10.1016/j.urolonc.2012.05.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2012] [Revised: 05/25/2012] [Accepted: 05/29/2012] [Indexed: 10/28/2022]
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Abstract
We present a review on the current options for continent urinary diversion and their different indications on the basis of patient selection. In current clinical practice continent urinary diversion is being used world-wide in patients undergoing radical cystectomy and in severe cases of benign bladder pathologies. We also discuss the specific complications of continent urinary diversion and highlight the need to rigorously monitor these patients in the long- term specifically in terms of their renal function and cancer recurrence.
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Affiliation(s)
- Andrew Moon
- Department of Urology, Freeman Hospital, Newcastle upon Tyne, NE7 7DN, UK
| | - Nikhil Vasdev
- Department of Urology, Freeman Hospital, Newcastle upon Tyne, NE7 7DN, UK
| | - Andrew C. Thorpe
- Department of Urology, Freeman Hospital, Newcastle upon Tyne, NE7 7DN, UK
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Kiss B, Schöndorf D, Studer UE, Roth B. Stricture of the Afferent Isoperistaltic Tubular Segment: A Late and Rare Cause of Bilateral Dilation of the Upper Urinary Tract After Ileal Bladder Substitution. Urology 2013; 82:466-70. [DOI: 10.1016/j.urology.2013.05.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2013] [Revised: 05/02/2013] [Accepted: 05/05/2013] [Indexed: 10/26/2022]
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Abstract
PURPOSE Although improvements in perioperative care have decreased surgical morbidity after radical cystectomy for muscle invasive bladder cancer, treatment side effects still have a negative impact on patient quality of life. We examined unmet patient needs along the illness trajectory. MATERIALS AND METHODS A total of 30 patients (26.7% women) treated with cystectomy and urinary diversion for muscle invasive bladder cancer participated in the study. Patients were recruited from the Department of Urology at Mount Sinai and through advertisements on the Bladder Cancer Advocacy Network (BCAN) website between December 2011 and September 2012. Data were collected at individual interviews, which were audiotaped and transcribed. Transcribed data were quantitatively analyzed to explore key unmet needs. RESULTS At diagnosis unmet informational needs were predominant, consisting of insufficient discussion of certain topics, including urinary diversion options and their side effects, self-care, the recovery process and medical insurance. Unmet psychological needs related to depression, and worries about changes in body image and sexual function were reported. Postoperative unmet needs revolved around medical needs (eg pain and bowel dysfunction) and instrumental needs (eg need of support for stomal appliances, catheters and incontinence). During survivorship (ie 6 to 72 months postoperatively) unmet needs centered around psychological support (ie depression, poor body image and sexual dysfunction) and instrumental support (eg difficulty adjusting to changes in daily living). CONCLUSIONS Meeting patient needs is imperative to ensure adequate patient involvement in health care and enhance postoperative quality of life. An effective support provision plan should follow changes in patient needs.
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Dipping Technique for Ureteroileal Anastomosis in Orthotopic Ileal Neobladder: 20-Year Experience in 670 Patients—No Stenosis with Preservation of the Upper Tract. ISRN UROLOGY 2013; 2013:725286. [PMID: 23762629 PMCID: PMC3677618 DOI: 10.1155/2013/725286] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2013] [Accepted: 05/08/2013] [Indexed: 11/23/2022]
Abstract
Objectives. Many techniques were described for ureteroileal anastomosis in orthotopic bladder substitution, ranging from nonrefluxing to refluxing techniques, all aiming at preservation of the upper tract. We describe our technique of dipping the ureter into the ileal pouch, which is simple and had no complications. Patients and Methods. Our technique implies dipping the ureter in the lateral side of the pouch, in right and left corners, with two rows of four sutures fixing the seromuscular layer of the ureter to the seromuscular layer of the ileal pouch. The procedure was applied in both normal ureteric calibre and dilated ureter. Total number of procedures done was 1,340 ureters in 670 patients after radical cystectomy for invasive carcinoma of the bladder of urothelial and nonurothelial cancer. Results. Followup of patients every six months and onward did not show stenosis in the ureteroileal anastomotic site. Filling of the ureter with contrast dye on ascending pouchogram was observed in patients who had considerably dilated ureters at the time of cystectomy. Normal ureter did not show clinical reflux but radiological filling of the ureter when the intravesical pressure exceeded the leak point pressure. Time to perform the dipping technique was 5–7 minutes for each site. Conclusion. Dipping technique for ureteroileal anastomosis in orthotopic ileal neobladder avoids the incidence of stenosis, preserves the upper tract, is a fast procedure, stands the evaluation in long-term followup, and was practiced successfully for twenty years.
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Djaladat H, Mitra AP, Miranda G, Skinner EC, Daneshmand S. Radical cystectomy and orthotopic urinary diversion in male patients with pT4a urothelial bladder carcinoma: Oncological outcomes. Int J Urol 2013; 20:1229-33. [DOI: 10.1111/iju.12133] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2012] [Accepted: 02/04/2013] [Indexed: 11/29/2022]
Affiliation(s)
- Hooman Djaladat
- Norris Comprehensive Cancer Center; USC Institute of Urology; Los Angeles California USA
| | - Anirban P Mitra
- Department of Pathology and Center for Personalized Medicine; University of Southern California; Los Angeles California USA
| | - Gus Miranda
- Norris Comprehensive Cancer Center; USC Institute of Urology; Los Angeles California USA
| | - Eila C Skinner
- Norris Comprehensive Cancer Center; USC Institute of Urology; Los Angeles California USA
| | - Siamak Daneshmand
- Norris Comprehensive Cancer Center; USC Institute of Urology; Los Angeles California USA
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Hautmann RE, Abol-Enein H, Davidsson T, Gudjonsson S, Hautmann SH, Holm HV, Lee CT, Liedberg F, Madersbacher S, Manoharan M, Mansson W, Mills RD, Penson DF, Skinner EC, Stein R, Studer UE, Thueroff JW, Turner WH, Volkmer BG, Xu A. ICUD-EAU International Consultation on Bladder Cancer 2012: Urinary Diversion. Eur Urol 2013; 63:67-80. [DOI: 10.1016/j.eururo.2012.08.050] [Citation(s) in RCA: 201] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2012] [Accepted: 08/27/2012] [Indexed: 11/25/2022]
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Muscle invasive bladder cancer: from diagnosis to survivorship. Adv Urol 2012; 2012:142135. [PMID: 22924038 PMCID: PMC3424737 DOI: 10.1155/2012/142135] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2012] [Accepted: 05/16/2012] [Indexed: 11/17/2022] Open
Abstract
Bladder cancer is the fifth most commonly diagnosed cancer and the most expensive adult cancer in average healthcare costs incurred per patient in the USA. However, little is known about factors influencing patients' treatment decisions, quality of life, and responses to treatment impairments. The main focus of this paper is to better understand the impact of muscle invasive bladder cancer on patient quality of life and its added implications for primary caregivers and healthcare providers. In this paper, we discuss treatment options, side effects, and challenges that patients and family caregivers face in different phases along the disease trajectory and further identify crucial areas of needed research.
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ElFayoumy H, Abou-Elela A, Orban T, Emran A, Elghoneimy M, Morsy A. A novel antireflux technique for orthotopic ileal bladder substitutes-flat-segment technique: preliminary results. ISRN UROLOGY 2011; 2011:431951. [PMID: 22235380 PMCID: PMC3197076 DOI: 10.5402/2011/431951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2011] [Accepted: 07/11/2011] [Indexed: 11/23/2022]
Abstract
Objective. Although a large debate exists regarding the need for reflux prevention in ileal orthotopic neobladders, it is our policy to continue performing nonrefluxing ureteroileal anastomoses for our patients. An ideal uretero-ileal anastomosis must be simple, nonrefluxing, as well as non-obstructive. Here, we present a new antireflux mechanism for orthotopic ileal neobladders. Methods. 12 radical cystectomy patients for muscle invasive bladder cancer were candidates for orthotopic urinary diversion and underwent a non-refluxing uretero-ileal anastomosis using the flat-segment technique with a follow up of 6 to 18 months. Results. Preliminary results after the short-term followup showed that the success rate in reflux prevention was 92% and no cases of obstruction. The upper tracts were preserved or improved in all 12 patients. Operative time for neobladder creation ranged between 120-240 minutes, with a mean of 165 minutes (±36 minutes). No diversion-related complications. Conclusions. Based on our early data, we believe that the flat-segment uretero-ileal anastomosis technique for reflux prevention in orthotopic ileal bladder substitutes is simple, easy to learn and carries no additional morbidity to a standard refluxing uretero-ileal anastomosis, but has the advantage of effective reflux prevention. A longer follow-up period study with more patient numbers is ongoing.
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Affiliation(s)
- Hany ElFayoumy
- Urology Department, Kasr Al Aini Hospitals, Cairo University, Cairo, Egypt
| | - Ashraf Abou-Elela
- Urology Department, Kasr Al Aini Hospitals, Cairo University, Cairo, Egypt
| | - Tamer Orban
- Urology Department, Kasr Al Aini Hospitals, Cairo University, Cairo, Egypt
| | - Ashraf Emran
- Urology Department, Kasr Al Aini Hospitals, Cairo University, Cairo, Egypt
| | - Mohamed Elghoneimy
- Urology Department, Kasr Al Aini Hospitals, Cairo University, Cairo, Egypt
| | - Ahmed Morsy
- Urology Department, Kasr Al Aini Hospitals, Cairo University, Cairo, Egypt
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Park J, Ahn H. Radical cystectomy and orthotopic bladder substitution using ileum. Korean J Urol 2011; 52:233-40. [PMID: 21556208 PMCID: PMC3085614 DOI: 10.4111/kju.2011.52.4.233] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2011] [Accepted: 03/10/2011] [Indexed: 12/24/2022] Open
Abstract
Over the past decade, continent urinary diversion, especially orthotopic bladder substitutions, has become increasingly popular following radical cystectomy for bladder cancer. The ultimate goal of orthotopic bladder substitution is to offer patients the best quality of life, similar to that of patients with native bladders. To achieve that purpose, surgeons should be familiar with the characteristics of good candidates for neobladders, the possible intraoperative and postoperative problems related to the surgery, and the solutions to these problems. Postoperative surveillance and instructions given to the patients also contribute to successful, functional results. Here, we reviewed the indications, pitfalls, and solutions for orthotopic bladder substitutions and the patients' quality of life after surgery. When performed properly, orthotopic continent diversion offers good quality of life with few long-term complications. Therefore, we believe it is the best option for the majority of patients requiring cystectomy.
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Affiliation(s)
- Jinsung Park
- Department of Urology, Eulji University Hospital, Daejeon, Korea
| | - Hanjong Ahn
- Department of Urology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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Sahl JW, Lloyd AL, Redman JC, Cebula TA, Wood DP, Mobley HLT, Rasko DA. Genomic characterization of asymptomatic Escherichia coli isolated from the neobladder. MICROBIOLOGY-SGM 2011; 157:1088-1102. [PMID: 21252277 DOI: 10.1099/mic.0.043018-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The replacement of the bladder with a neobladder made from ileal tissue is the prescribed treatment in some cases of bladder cancer or trauma. Studies have demonstrated that individuals with an ileal neobladder have recurrent colonization by Escherichia coli and other species that are commonly associated with urinary tract infections; however, pyelonephritis and complicated symptomatic infections with ileal neobladders are relatively rare. This study examines the genomic content of two E. coli isolates from individuals with neobladders using comparative genomic hybridization (CGH) with a pan-E. coli/Shigella microarray. Comparisons of the neobladder genome hybridization patterns with reference genomes demonstrate that the neobladder isolates are more similar to the commensal, laboratory-adapted E. coli and a subset of enteroaggregative E. coli than they are to uropathogenic E. coli isolates. Genes identified by CGH as exclusively present in the neobladder isolates among the 30 examined isolates were primarily from large enteric isolate plasmids. Isolations identified a large plasmid in each isolate, and sequencing confirmed similarity to previously identified plasmids of enteric species. Screening, via PCR, of more than 100 isolates of E. coli from environmental, diarrhoeagenic and urinary tract sources did not identify neobladder-specific genes that were widely distributed in these populations. These results taken together demonstrate that the neobladder isolates, while distinct, are genomically more similar to gastrointestinal or commensal E. coli, suggesting why they can colonize the transplanted intestinal tissue but rarely progress to acute pyelonephritis or more severe disease.
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Affiliation(s)
- Jason W Sahl
- Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Amanda L Lloyd
- Department of Microbiology and Immunology, University of Michigan Medical School, 1150 West Medical Center Drive, 5641 Medical Science II, Ann Arbor, MI 48109, USA
| | - Julia C Redman
- Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Thomas A Cebula
- Johns Hopkins University, Department of Biology, 3400 North Charles Street, Baltimore, MD 21218, USA
| | - David P Wood
- University of Michigan Medical School, Department of Urology, 1500 East Medical Center Drive, Ann Arbor, MI 48109, USA
| | - Harry L T Mobley
- Department of Microbiology and Immunology, University of Michigan Medical School, 1150 West Medical Center Drive, 5641 Medical Science II, Ann Arbor, MI 48109, USA
| | - David A Rasko
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
- Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, MD 21201, USA
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Kassouf W, Hautmann RE, Bochner BH, Lerner SP, Colombo R, Zlotta A, Studer UE. A Critical Analysis of Orthotopic Bladder Substitutes in Adult Patients with Bladder Cancer: Is There a Perfect Solution? Eur Urol 2010; 58:374-83. [DOI: 10.1016/j.eururo.2010.05.023] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2010] [Accepted: 05/12/2010] [Indexed: 10/19/2022]
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Herschorn S, Bruschini H, Comiter C, Grise P, Hanus T, Kirschner-Hermanns R, Abrams P. Surgical treatment of stress incontinence in men. Neurourol Urodyn 2010; 29:179-90. [DOI: 10.1002/nau.20844] [Citation(s) in RCA: 150] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Hong R, Choi DY, Shin DE, Moon HY, Kee KH. Squamous Cell Carcinoma of an Ileal Neobladder - A Case Report -. KOREAN JOURNAL OF PATHOLOGY 2009. [DOI: 10.4132/koreanjpathol.2009.43.5.467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Ran Hong
- Department of Pathology, College of Medicine, Chosun University, Gwangju, Korea
| | - Dong-Youl Choi
- Department of Pathology, College of Medicine, Chosun University, Gwangju, Korea
| | - Dae-Eun Shin
- Department of Urology, College of Medicine, Chosun University, Gwangju, Korea
| | - Hyung-Yoon Moon
- Department of Urology, College of Medicine, Chosun University, Gwangju, Korea
| | - Keun-Hong Kee
- Department of Pathology, College of Medicine, Chosun University, Gwangju, Korea
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Abstract
Around 7500 people in the UK have a urostomy. A urostomy is normally performed if a person has bladder cancer, congenital bladder abnormalities. Many people who have a urostomy have long term conditions and may require the help and support of community nurses. This article examines common complications of urostomy including stomal complications, urinary tract infections and dermal complications. Although stoma complications are common and can affect quality of life, many people with a stoma tend not to seek help. Community nurses can provide care and support to optimize stoma management and enable the person with a urostomy to enjoy the best possible quality of life.
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Álvarez Ardura M, Llorente Abarca C, Studer U. Manejo perioperatorio y resultados en pacientes con neovejiga ileal ortotópica. Actas Urol Esp 2008; 32:297-306. [DOI: 10.1016/s0210-4806(08)73834-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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30
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Abstract
OBJECTIVE A national survey was conducted among the urologists in India to find the preference for urinary diversion after radical cystectomy for muscle invasive carcinoma of the urinary bladder, percentage of neobladder reconstruction, segment of the bowel used, complication rate, need for self-intermittent catherisation on follow up and the survival. MATERIAL AND METHODS A detailed questionnaire was mailed to all members of the urological society of India (USI) to find out their preference for urinary diversion following radical cystectomy for muscle invasive carcinoma urinary bladder. For the neobladder reconstruction, they were asked for the type of bowel segment used, complication rate, reoperation rate, need for intermittent clean catheterisation on follow up and 5-year survival. RESULTS A total of 24 institutions responded to the mailed questionnaire. Of all institutions 12 (50%) did not prefer the orthotopic neobladder (ONB) reconstruction. Among the institutions carrying out neobladder reconstruction, majority perform ileal conduit in more than 50% of the cases. Ileum (66.66%) or ileocaecal (16.66%) segment was the choice of bowel segment for most of the urologists. Only three institutions used sigmoid colon. The complications encountered were wound infection (5-25%), burst abdomen (5%), urinary fistulas (3-25%), faecal fistulas (2-5%), bladder neck stenosis (5-15%) and ureterointestinal anastomosis stenosis (5-25%). The reoperation rate was 5-15% with a perioperative mortality of 0.5-3%. Around 10-100% (average 50%) of the patients require intermittent clean catherisation. Only seven institutions could provide 5-year survival rate data. Of these three institutions reported more than 50% and four institutes less than 50% 5-year survival. CONCLUSION Ileal conduit still remains the urinary diversion of choice following radical cystectomy for muscle invasive carcinoma of the bladder among most of the urologists in India. Orthotopic neobladder reconstruction is practiced only in selected centres. Wound infection, urinary leak and obstruction at ureterointestinal anastomosis are the main complications. Clean intermittent cathaterisation is required at an average of 50% of the patients to ensure complete emptying of the neobladder.
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Affiliation(s)
- N P Gupta
- Department of Urology, All India Institute of Medical Sciences, New Delhi 110029, India
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31
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Furukawa J, Miyake H, Hara I, Takenaka A, Fujisawa M. Clinical outcome of orthotopic neobladder replacement in patients with a solitary functioning kidney. Int J Urol 2007; 14:398-401. [PMID: 17511720 DOI: 10.1111/j.1442-2042.2006.01730.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
OBJECTIVE To evaluate the outcome of orthotopic neobladder creation in patients with a solitary functioning renal unit at the time of surgery. METHODS This study included a total of 18 patients (15 men and three women) with a solitary functioning kidney who underwent radical cystectomy for invasive bladder cancer followed by orthotopic neobladder replacement. Of these, an ileal, ileocolic or sigmoid colon neobladder was constructed in 11, three or four patients, respectively. Clinical data from these patients were retrospectively reviewed to clarify the significance of neobladder creation in patients with a solitary functioning kidney. RESULTS During the observation period of this series (mean, 44.2 months; range, 15-95 months), there were nine early complications in six patients (wound infection, ileus, urine leakage and pulmonary embolism in four, three, one and one, respectively) and 10 late complications in nine patients (severe metabolic acidosis, vesicourethral anastomotic stricture, ureterointestinal anastomotic stricture and neobladder calculi in six, two, one and one, respectively). Severe metabolic acidosis occurred in six (five ileal neobladders and one ileocolic neobladder); however, there were no significant differences in preoperative renal function and serum electrolytes as well as postoperative voiding function between patients with and without severe metabolic acidosis. These six patients required administration of sodium bicarbonate, and their metabolic status was normalized thereafter. Furthermore, there were no significant differences in renal function and serum electrolytes between these two groups throughout the observation period, and none of the patients demonstrated renal deterioration. CONCLUSIONS These findings suggest, despite the analysis including a small number of patients with a short follow-up period, orthotopic neobladder replacement could provide comparatively satisfactory results in patients with a solitary functioning kidney; hence, a solitary kidney should not be regarded as a contraindicated factor for neobladder creation after radical cystectomy.
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Affiliation(s)
- Junya Furukawa
- Division of Urology, Kobe University Graduate School of Medicine, Kobe, Japan
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Moore CD, Iczkowski KA, Blue KM, Algood CB. Urothelial carcinoma recurrence in ileal orthotopic neobladder: urethrectomy and creation of ileal conduit. Urology 2007; 69:184.e11-3. [PMID: 17270649 DOI: 10.1016/j.urology.2006.10.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2006] [Revised: 08/14/2006] [Accepted: 10/05/2006] [Indexed: 11/22/2022]
Abstract
A patient who had previously undergone radical cystoprostatectomy and ileal neobladder with the Studer technique presented with a recurrence of urothelial carcinoma in the neobladder and urethra. Surgical treatment consisted of resection of the neobladder, urethrectomy, and creation of an ileal conduit using a separately isolated segment of ileum. Pathologic analysis revealed high-grade urothelial carcinoma implants to the Studer pouch and urethra, with spread to the mesenteric lymph nodes draining the pouch. Intraluminal tumor cell seeding appears to be an important mechanism of metachronous transitional cell carcinoma recurrence in the urethra and ileal mucosa of a neobladder.
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Affiliation(s)
- Christopher D Moore
- Department of Urology, University of Florida College of Medicine, Gainesville, Florida 32610, USA.
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Hautmann RE, Abol-Enein H, Hafez K, Haro I, Mansson W, Mills RD, Montie JD, Sagalowsky AI, Stein JP, Stenzl A, Studer UE, Volkmer BG. Urinary Diversion. Urology 2007; 69:17-49. [PMID: 17280907 DOI: 10.1016/j.urology.2006.05.058] [Citation(s) in RCA: 265] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2006] [Revised: 04/24/2006] [Accepted: 05/04/2006] [Indexed: 11/26/2022]
Abstract
A consensus conference convened by the World Health Organization (WHO) and the Société Internationale d'Urologie (SIU) met to critically review reports of urinary diversion. The world literature on urinary diversion was identified through a Medline search. Evidence-based recommendations for urinary diversion were prepared with reference to a 4-point scale. Many level 3 and 4 citations, but very few level 2 and no level 1, were noted. This outcome supported the clinical practice pattern. Findings of >300 reviewed citations are summarized. Published reports on urinary diversion rely heavily on expert opinion and single-institution retrospective case series: (1) The frequency distribution of urinary diversions performed by the authors of this report in >7000 patients with cystectomy reflects the current status of urinary diversion after cystectomy for bladder cancer: neobladder, 47%; conduit, 33%; anal diversion, 10%; continent cutaneous diversion, 8%; incontinent cutaneous diversion, 2%; and others, 0.1%. (2) No randomized controlled studies have investigated quality of life (QOL) after radical cystectomy. Such studies are desirable but are probably difficult to conduct. Published evidence does not support an advantage of one type of reconstruction over the others with regard to QOL. An important proposed reason for this is that patients are subjected preoperatively to method-to-patient matching, and thus are prepared for disadvantages associated with different methods. (3) Simple end-to-side, freely refluxing ureterointestinal anastomosis to an afferent limb of a low-pressure orthotopic reconstruction, in combination with regular voiding and close follow-up, is the procedure that results in the lowest overall complication rate. The potential benefit of "conventional" antireflux procedures in combination with orthotopic reconstruction seems outweighed by the higher complication and reoperation rates. The need to prevent reflux in a continent cutaneous reservoir is not significantly debated, and this should be done. (4) Most reconstructive surgeons have abandoned the continent Kock ileal reservoir largely because of the significant complication rate associated with the intussuscepted nipple valve.
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Chung MK, Seo HK. Urinary Diversion: Ileal Conduit to Orthotopic Neobladder Substitution. Korean J Urol 2007. [DOI: 10.4111/kju.2007.48.6.565] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Moon Kee Chung
- Department of Urology, College of Medicine, Pusan National University, Busan, Korea
| | - Ho Kyung Seo
- Urologic Oncology Clinic, National Cancer Center, Goyang, Korea
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Nam JS, Cho ST, Lee YG. Voiding Pattern and Incontinence after Orthotopic Ileal Neobladder in Male Patients. Korean J Urol 2007. [DOI: 10.4111/kju.2007.48.1.12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Jung Su Nam
- Department of Urology, College of Medicine, Hallym University, Chuncheon, Korea
| | - Sung Tae Cho
- Department of Urology, College of Medicine, Hallym University, Chuncheon, Korea
| | - Young Goo Lee
- Department of Urology, College of Medicine, Hallym University, Chuncheon, Korea
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Abstract
The indications for urethrectomy during cystectomy for bladder cancer have substantially changed during the last years. Many years ago, prophylactic urethrectomy was performed in most patients undergoing cutaneous diversion. Today, transitional cell carcinoma at the level of the prostatic urethra or at the bladder neck is recognized to be the most important risk factor of urethral recurrence. Since the development of bladder substitutions, the indications for prophylactic urethrectomy have been dramatically reduced. Pre - and intra operative evaluation of the prostatic urethra in men and that of the bladder neck in women is the major determinant in the appropriate treatment strategy for the urethra in patients with bladder cancer.
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Affiliation(s)
- H Van Poppel
- Département d'urologie, UZ Gasthuisberg, Herestraat 49, B-3000 Leuven, Belgique.
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Hautmann RE, Volkmer BG, Schumacher MC, Gschwend JE, Studer UE. Long-term results of standard procedures in urology: the ileal neobladder. World J Urol 2006; 24:305-14. [PMID: 16830152 DOI: 10.1007/s00345-006-0105-z] [Citation(s) in RCA: 215] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2006] [Accepted: 04/24/2006] [Indexed: 11/30/2022] Open
Abstract
Over the past 20 years orthotopic urinary reconstruction with the techniques developed at Ulm and Bern has become a widely accepted form of urinary diversion. So far, both centers together have performed more than 1,300 orthotopic bladder substitutions with an overall rate of neobladder formation in 58% of all cystectomized patients. Today, the absolute contraindications for this procedure are urinary stress incontinence, damaged rhabdosphincter, severely impaired renal and liver function, severe intestinal diseases or an oncologic situation requiring urethrectomy. In patients treated for transitional cell carcinoma of the bladder, the rate of urethral recurrence in both centers was 1.5 and 5%, respectively, and the rate of upper urinary tract recurrence was 2-3%. Local tumor recurrence usually did not affect neobladder function. The rate of outlet obstruction by local recurrence was 2%, that of gross hematuria 1%, and of entero-reservoir fistulas 1-2%. Daytime continence at 12 months was 92%, while nighttime continence was lower around 80%. Transient or permanent urinary retention was seen in 11-12% of male patients. In both series, long-term upper urinary tract safety was good. The risk of stenoses of the uretero-intestinal anastomosis with consecutive loss of renal function decreased with the introduction of non-refluxing implantation techniques. The rate of long-term metabolic complications remains low when adequate substitution with sodium bicarbonate is guaranteed in patients with impaired renal function. Patient selection and meticulous postoperative follow-up contributed to achieve good long-term results after cystectomy and orthotopic ileal neobladder substitution of the two large series of patients from the Universities of Ulm and Bern.
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Affiliation(s)
- Richard E Hautmann
- Department of Urology, University of Ulm, Prittwitzstr. 43, 89075, Ulm, Germany.
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Studer UE, Burkhard FC, Schumacher M, Kessler TM, Thoeny H, Fleischmann A, Thalmann GN. Twenty Years Experience With an Ileal Orthotopic Low Pressure Bladder Substitute—Lessons to be Learned. J Urol 2006; 176:161-6. [PMID: 16753394 DOI: 10.1016/s0022-5347(06)00573-8] [Citation(s) in RCA: 228] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2005] [Indexed: 10/24/2022]
Abstract
PURPOSE We present the long-term results of a large consecutive series of patients undergoing ileal orthotopic bladder substitution following radical cystectomy. MATERIALS AND METHODS Between April 1985 and 2005 orthotopic bladder substitution with an ileal low pressure reservoir was performed in 482 patients (including 40 women) after radical and, if possible, nerve sparing cystectomy. In 447 cases the procedure was combined with an afferent ileal isoperistaltic tubular segment. The patients were followed prospectively. RESULTS In the 482 patients 61 early (less than 30 days) diversion related complications requiring prolonged hospital stay or readmission were noted and 115 late complications required treatment. At 1 year continence was good in 92% of patients during the day and in 79% at night. At last followup 93% of patients could void spontaneously. Of 442 evaluable men 99 (22.4%) reported having erections without and 68 (15.4%) with medical assistance. Ureteroileal stenosis was observed in 12 of 447 (2.7%) patients. Urethral recurrence was detected in 25 of 482 (5%) patients. A total of 15 (5%) patients received vitamin B12 substitution. Renal parenchyma decreased only in patients with preoperative or postoperative ureteral obstruction. After 10 years patients with normal renal function had no long-term acidosis and in 20 patients the incidence of osteoporosis resembled that of the normal population. CONCLUSIONS Ileal orthotopic bladder substitution combined with an afferent ileal tubular segment allows for good long-term functional results provided patients are restrictively selected, postoperative instructions are followed carefully, and typical complications such as outlet obstruction and hernias are treated early.
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Affiliation(s)
- Urs E Studer
- Department of Urology, University of Bern, Inselspital, 3010 Bern, Switzerland.
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Hautmann RE, Schumacher M, Gschwend JE, Studer UE, Volkmer BG. Long-term results of standard procedures in urology: the ileal neobladder. World J Urol 2006. [DOI: 10.1007/s00345-006-0077-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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el-Bahnasawy MS, Osman Y, Gomha MA, Shaaban AA. Persistent and occasional nocturnal enuresis in orthotopic urinary diversion: is there a urodynamic difference? BJU Int 2005; 96:1373-7. [PMID: 16287461 DOI: 10.1111/j.1464-410x.2005.05852.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To establish urodynamic criteria differentiating between men with a radical cystoprostatectomy and ileal neobladder who are persistently enuretic and those who are occasionally enuretic. PATIENTS AND METHODS Fifty enuretic men at least 1 year after a radical cystoprostatectomy and ileal neobladder (hemi-Kock or 'W' neobladders) were divided into two groups according to the persistence of their complaint; 17 men were persistently enuretic (nightly) and 33 were occasionally enuretic (<3 episodes/week). Both groups were compared with 50 fully continent men with similar reservoirs. Uroflowmetry, enterocystometry and urethral pressure profilometry were carried out according to International Continence Society standards and terminology. RESULTS Both enuretic groups had significantly higher residual urine volumes, pressure at mid-capacity and at maximum enterocystometric capacity, amplitude of uninhibited contractions, and lower compliance than continent men. Men with occasional enuresis also had a significantly higher frequency and duration of uninhibited contractions than continent men. Men with persistent enuresis had significantly lower average and maximum urinary flow rates than continent men, and significantly lower functional urethral length and maximum urethral pressure. Uroflowmetric and urethral pressure differences were dissimilar between men with occasional enuresis and controls. CONCLUSION Enuretic men had significantly higher residual urine volumes and enterocystometric pressure variables than continent men. Men with persistent enuresis had significantly lower flow rates and less urethral resistance. Pharmacological inhibition of reservoir contraction and/or management of residual urine by clean intermittent catheterization before sleep might cure occasional enuresis.
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Tanaka T, Kitamura H, Takahashi A, Masumori N, Itoh N, Tsukamoto T. Long-term Functional Outcome and Late Complications of Studer's Ileal Neobladder. Jpn J Clin Oncol 2005; 35:391-4. [PMID: 15976064 DOI: 10.1093/jjco/hyi112] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVE The purpose of this study was to evaluate the long-term functional outcome and late complications of Studer's ileal neobladder. METHODS The study included 57 patients who underwent radical cystectomy and bladder reconstruction with Studer's ileal neobladder, and were followed-up for at least 3 months after surgery. The voiding and storage function, and late complications were evaluated. The times of evaluation after surgery were categorized into periods I (3-23 months), II (24-59 months), III (60-95 months) and IV (> or =96 months). RESULTS Daytime and night-time continence rates were 95.6 and 88.6%, respectively. The averages of functional capacity (439 ml), maximum flow rate (15.7 ml/s) and residual urine (35 ml) evaluated in period I were maintained in period IV. Of the 57 patients, intermittent self-catheterization was needed in five (8.8%) due to incomplete emptying or urinary retention. Urethroileal anastomotic stricture was found in two patients (3.5%), who were successfully treated by transurethral intervention. Inguinal hernia was found in seven patients (12.8%), five of whom developed it within 2 years after surgery. CONCLUSIONS Our results indicate that Studer's ileal neobladder had a favorable long-term functional outcome. Although late complication rates were low, the incidence of inguinal hernia was relatively high, and this was considered as a definite late complication in our study.
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Affiliation(s)
- Toshiaki Tanaka
- Department of Urology, School of Medicine, Sapporo Medical University, N-1, W-16, Chuo-ku, Sapporo, Hokkaido 060-8543, Japan.
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Basić DT, Studer UE. [Selection and perioperative management of patients undergoing an orthotopic ileal bladder substitution]. ACTA CHIRURGICA IUGOSLAVICA 2005; 52:25-31. [PMID: 16812990 DOI: 10.2298/aci0503025b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Orthotopic ileal bladder substitution (Studer pouch) has gained much popularity during the last decade, offering the best form of urinary diversion in appropriately selected patients. The superiority of this procedure is well known, with a low complication and high success rate. In the present study the most important details in patient selection, surgical technique, perioperative management with short- and long-term postoperative follow-up are described. Adequate preoperative assessment results in a proper indication for surgery and appropriate patient selection. The cystectomy should be performed with atraumatic dissection and preservation of the urethral autonomic innervation and sphincter apparatus. The bladder substitute is constructed from a terminal ileal segment of proper length formed into a spherical shape. Implantation of the ureters into the reservoir should not be performed using an anti- reflux technique to avoid a high stricture rate. Anastomosis of the bladder substitute to the urethra must be flat and wide open, avoiding a funnel-shaped outlet. In the immediate postoperative period, careful monitoring is necessary to minimize metabolic complications of acidosis and salt loss. To achieve successful voiding rehabilitation, with complete reservoir emptying, good functional reservoir capacity and satisfactory continence, it is necessary to educate the patients as to the physiological functioning of the bladder substitute. Careful lifelong follow up is essential for the successful outcome. Respecting strict patient selection criteria and proper surgical technique are of utmost importance for the successful outcome of the procedure, but only if combined with regular follow-up.
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Affiliation(s)
- D T Basić
- Uroloska klinika, Klinicki Centar Nis
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Meyer JP, Drake B, Boorer J, Gillatt D, Persad R, Fawcett D. A three-centre experience of orthotopic neobladder reconstruction after radical cystectomy: initial results. BJU Int 2004; 94:1317-21. [PMID: 15610113 DOI: 10.1111/j.1464-410x.2004.05164.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To assess, in a retrospective three-centre series, the initial experience and results of patients undergoing radical cystectomy and orthotopic neobladder reconstruction. PATIENTS AND METHODS The medical records were retrospectively reviewed for 104 suitable consecutive patients undergoing radical cystectomy and orthotopic neobladder reconstruction between June 1994 and April 2003. The initial histology, operating times, transfusion rates, complications, mortality rates, continence rates, potency rates, and cancer control rates were recorded. RESULTS The median (range) follow-up was 48 (6-113) months; 90 patients had a reconstruction with a 'Studer' neobladder, 12 with a 'Hautmann W pouch' and two with a 'T pouch' ileal neobladder. There were 24 early complications, and in eight patients re-operation was required; there was one death after surgery. There were 14 late complications and 10 patients required re-operation. The daytime continence rate was 99% and the nocturnal continence rate 78%. Five patients required intermittent self-catheterization. Twenty-two patients died from local and/or distant recurrences, and four from other causes. CONCLUSIONS Orthotopic neobladder reconstruction provides excellent continence rates, and both acceptable complication and mortality rates. Suitable patients undergoing radical cystectomy should be offered orthotopic neobladder reconstruction.
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Affiliation(s)
- Jon-Paul Meyer
- Harold Hopkins Department of Urology, Royal Berkshire Hospital, Reading, UK.
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Hassan JM, Cookson MS, Smith JA, Chang SS. URETHRAL RECURRENCE IN PATIENTS FOLLOWING ORTHOTOPIC URINARY DIVERSION. J Urol 2004; 172:1338-41. [PMID: 15371836 DOI: 10.1097/01.ju.0000138616.05218.21] [Citation(s) in RCA: 55] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE We present our experience with urethral recurrence of transitional cell carcinoma following cystectomy and orthotopic urinary diversion in a contemporary series. MATERIALS AND METHODS Between June 1995 and December 2001, 415 patients underwent radical cystectomy for transitional cell carcinoma. Of those patients 196 (47.2%) received an orthotopic urinary diversion. Demographics, clinical characteristics, pathological stage and patient outcomes were reviewed. RESULTS Mean followup was 34.1 months (range 0.3 to 97.3). Of the 196 patients who underwent orthotopic diversion 59 (30.1%) had T3 or greater disease on final pathological evaluation. Thirteen patients (6.6%) were found to have prostatic urethral involvement while 83 (42.3%) had elements of carcinoma in situ. No patient with prostatic urethral involvement had subsequent urethral recurrence. Overall only 1 patient (0.5%) had urethral recurrence of transitional cell carcinoma following orthotopic urinary diversion. The urethral recurrence rate in patients with orthotopic diversion was less than in patients with ileal conduit creation during the same period (2.1%). The overall disease recurrence rate following orthotopic diversion was 31.6% (62 of 196). CONCLUSIONS Urethral recurrence following orthotopic neobladder was rare in this series despite using selection criteria that were less stringent than those of other comparable series. Overall disease recurrence was relatively high in patients with high risk pathological features but urethral recurrence in this group with orthotopic urinary diversion remained low.
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Affiliation(s)
- J Matthew Hassan
- Department of Urologic Surgery, Vanderbilt University Medical Center, Nashville, Tennessee 37232-2765, USA
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Varol C, Thalmann GN, Burkhard FC, Studer UE. TREATMENT OF URETHRAL RECURRENCE FOLLOWING RADICAL CYSTECTOMY AND ILEAL BLADDER SUBSTITUTION. J Urol 2004; 172:937-42. [PMID: 15311003 DOI: 10.1097/01.ju.0000135626.91587.c8] [Citation(s) in RCA: 82] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE With the introduction of orthotopic bladder substitution after radical cystectomy in patients with invasive bladder cancer urethral recurrences have become a therapeutic challenge. MATERIALS AND METHODS We retrospectively evaluated our patients with urethral recurrences treated with a urethra sparing approach after orthotopic bladder substitution. Depending on the extension of recurrence and eventual concomitant metastases patients were treated with urethrectomy, no treatment, systemic chemotherapy or intraurethral bacillus Calmette-Guerin (BCG). Three times the common dose of BCG (ImmuCyst, Aventis, Paris, France or OncoTICE, Organon, West Orange, New Jersey) in 150 ml NaCl 0.9% was used for intraurethral BCG perfusion therapy according to an institutional protocol using a modified Foley catheter. This regimen was repeated weekly for 6 weeks and patients were followed prospectively. RESULTS Between 1985 and 2001, 15 of 371 patients (4%) who received an orthotopic bladder substitute had urethral recurrence. Two patients were treated with systemic chemotherapy (methotrexate, vinblastine, doxorubicin and cisplatin) alone due to metastatic disease and 10 received intraurethral BCG therapy. Five of 6 patients (83%) with carcinoma in situ remained free of recurrence following treatment with BCG, while in 4 with papillary or invasive disease treatment failed. Three patients underwent urethrectomy, including 2 following failed BCG therapy for papillary disease. CONCLUSIONS Carcinoma in situ urethral recurrence following orthotopic bladder substitution can be treated successfully with intraurethral BCG perfusion therapy in approximately 80% of patients. However, papillary and invasive transitional cell urethral recurrence should be treated with urethrectomy.
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Affiliation(s)
- Celi Varol
- Department of Urology, University of Bern, Inselspital, CH-3010 Bern, Switzerland
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Farnham SB, Cookson MS. Surgical complications of urinary diversion. World J Urol 2004; 22:157-67. [PMID: 15316737 DOI: 10.1007/s00345-004-0429-5] [Citation(s) in RCA: 116] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2004] [Accepted: 05/28/2004] [Indexed: 10/26/2022] Open
Abstract
We comprehensively reviewed the published literature on urinary diversion, specifically examining the surgical complications associated with conduit, continent cutaneous diversion and orthotopic urinary diversion. Appropriate patient selection and adherence to proper surgical technique are of paramount importance in preventing surgical complications of urinary diversion. Complications can be broadly divided into those related to bowel, conduit or reservoir, stoma and ureterointestinal anastomosis. Each type of urinary diversion has unique characteristics predisposing to certain surgical complications as well as similarities related to intestinal surgery. With conduit urinary diversions, problems related to the stoma such as stomal stenosis and parastomal hernia present not uncommonly. With continent cutaneous diversion, complications include difficulties with catheterizing of the efferent limb, formation of pouch stones and urinary leakage. With orthotopic neobladder formation, voiding dysfunction manifesting as incontinence or hypercontinence may present unique challenges in patient management. Increased surgical experience and technical refinements have led to decreasing surgical complication rates for all types of diversion in contemporary series.
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Affiliation(s)
- Scott B Farnham
- Department of Urologic Surgery, The Vanderbilt Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN 37232-2561, USA
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Baniel J, Tal R. The “B-Bladder”—an Ileocolonic Neobladder with a Chimney: Surgical Technique and Long-Term Results. Eur Urol 2004; 45:794-8. [PMID: 15149755 DOI: 10.1016/j.eururo.2004.01.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/19/2004] [Indexed: 11/28/2022]
Abstract
OBJECTIVES A modified version of the "Le Bag" ileocolonic neobladder with a "Studer"-like ileal chimney (B-bladder) is presented. The surgical technique, perioperative complications, and long-term results, including cancer control and continence, are described. METHODS Twenty-nine patients underwent radical cystectomy and urinary diversion to an orthotopic ileocolonic neobladder with an ileal chimney. All operations were done by a single surgeon. Preoperative, perioperative and postoperative data were recorded. Median duration of follow-up was 3.4 years. RESULTS The operation was technically successful in all cases. Late complications included recurrent urinary tract infection (17%) and uretero-neobladder anastomotic stricture (3%), both at acceptable rates. Postoperative daytime continence was excellent. Cancer control was satisfactory during follow-up; 11 patients (38%) died of disease progression with distant metastases. Median survival was 71.1 months. CONCLUSIONS The B-bladder maintains the simplicity of preparation of the original "Le-Bag" neobladder while gaining the advantages of ureteral anastomosis to an ileal chimney. The incidence of perioperative complications is low and long-term results with regard to cancer control, continence, and complications are excellent.
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Affiliation(s)
- Jack Baniel
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
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Affiliation(s)
- C Varol
- Department of Urology, University of Bern, Inselspital, Bern, Switzerland
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Shaaban AA, Mosbah A, Abdel-Latif M, Mohsen T, Mokhtar AA. Outcome of patients with continent urinary reconstruction and a solitary functioning kidney. BJU Int 2003; 92:987-92. [PMID: 14632861 DOI: 10.1111/j.1464-410x.2003.04534.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
OBJECTIVE To evaluate the outcome of patients with continent urinary diversions who had a solitary functioning kidney at the time of surgery. PATIENTS AND METHODS In all, 62 patients with continent urinary reservoirs and a solitary functioning kidney were reviewed (51 men and 11 women). The indications for surgery were bladder cancer in 54 and a contracted bladder in eight. The surgical procedures included an orthotopic ileal neobladder in 36 patients, a continent cutaneous ileal reservoir in 13 and rectal diversion in 13. Kidneys were evaluated using serum creatinine level, ultrasonography, intravenous urography and other radiological studies. RESULTS The follow-up was 6-173 months; 44 renal units (71%) remained stable during this period. Serum creatinine was increased in four patients with an orthotopic neobladder, with no evidence of obstruction or reflux, in one with preoperative renal impairment and one with voiding dysfunction, reflux and bacteriuria. Six renal units deteriorated because of uretero-intestinal strictures; of these patients, two were treated endoscopically, two with open ureteric reimplantation, one with conversion from a rectal reservoir to an ileal loop conduit, and one was maintained on JJ stenting. Six patients with a rectal diversion had renal deterioration because of chronic pyelonephritis. CONCLUSIONS A regular follow-up of renal function is mandatory in patients with a continent urinary diversion. Rectal diversion is associated with a higher risk of renal deterioration (54%) than are orthotopic (28%) and cutaneous reservoirs (8%).
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Affiliation(s)
- A A Shaaban
- The Department of Urology, Urology & Nephrology Centre, Mansoura University, Mansoura, Egypt.
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Shaaban AA, Mosbah A, El-Bahnasawy MS, Madbouly K, Ghoneim MA. The urethral Kock pouch: long-term functional and oncological results in men. BJU Int 2003; 92:429-35. [PMID: 12930435 DOI: 10.1046/j.1464-410x.2003.04346.x] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To evaluate our experience with men who underwent radical cystectomy and urethral Kock pouch construction between January 1986 and January 1996. PATIENTS AND METHODS Complications were classified as early (within the first 3 months after surgery) or late. Continence was assessed by interviewing the patient; they were considered continent if they were completely dry with no need of protection by pads, condom catheter or medication. The patients were followed oncologically and Kaplan-Meier survival curves constructed. Urodynamic studies were used to define the possible causes of enuresis. RESULTS Three patients died after surgery from pulmonary embolism. There were 67 early complications in 63 patients. The mean (SD) follow-up was 87.8 (49.1) months. There were 111 treatment failures from cancer; of these, four men only had an isolated local recurrence in the urethra. Late complications included 72 pouch stones in 55 patients, and 36 deteriorated renal units caused by reflux (17), uretero-ileal stricture (11), nipple valve eversion (four) or stenosis (four). Interestingly, 65 renal units that were dilated before surgery improved significantly afterward. Ileo-urethral strictures occurred in seven men and anterior urethral strictures in six. Nine patients were totally incontinent and two had chronic urinary retention. Daytime continence was complete in 94% of men, with nocturnal enuresis in 55; the latter had significantly more residual urine, and a higher amplitude and duration of phasic contractions. CONCLUSIONS Orthotopic bladder substitution after cystectomy for cancer is feasible, with good functional and oncological outcomes in properly selected patients. Nevertheless, the use of a hemi-Kock pouch is associated with many valve-related complications.
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Affiliation(s)
- A A Shaaban
- The Department of Urology, Urology & Nephrology Center, Mansoura University, Mansoura, Egypt.
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