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Soyster ME, Burns RT, Slaven JE, Zappia JL, Arnold PJ, Roth JD, Bihrle R, Francesca Monn M, Mellon MJ. Long-term Renal Preservation and Complication Profile With Ileal Ureter Creation. Urology 2024; 188:138-143. [PMID: 38657870 DOI: 10.1016/j.urology.2024.04.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 04/10/2024] [Accepted: 04/16/2024] [Indexed: 04/26/2024]
Abstract
OBJECTIVE To examine long-term ileal ureter replacement results at over 32 years at our institution. Long segment or proximal ureteral strictures pose a challenging reconstructive problem. Ureteroureterostomy, psoas hitch, Boari flap, buccal ureteroplasty, and autotransplantation are common reconstructive techniques. We show that ileal ureter remains a lasting option. METHODS We performed a retrospective review of patients undergoing open ileal ureter creation from 1989-2021. Patient demographics, operative history, and complications were examined. All patients were followed for changes in renal function. Demographic data were analyzed and Cox proportional hazard models were performed. RESULTS One hundred and fifty-eight patients were identified with median follow-up time of 40 months. Eighty-one percent had a unilateral ileal ureter creation. Fifty percent were female, median age was 53.3. Twenty-seven percent of patients had radiation-induced strictures. Preoperatively, 56.3% of patients were chronic kidney disease stage 1-2 and 43.7% were stage 3-5. Post-operatively, 54% were stage 1-2 and 46% were stage 3-5. Cox proportional hazard models demonstrated no significant correlation between worsening renal function and stricture cause, bilateral repair, complications, or sex (biologically male or female). Seventy-seven percent had no 30-day complications. Clavien complications included grade 1 (18), grade 2 (4), grade 3 (9), and grade 4 (5). Long-term complications included worsening renal function (3%), incisional hernia (8.2%), and small bowel obstruction (6.9%). Five (3.1%) patients ultimately required dialysis and 5 (3.1%) patients developed metabolic acidosis. CONCLUSION Ileal ureteral reconstruction is often a last resort for patients with complex ureteral injuries. Clinicians can be reassured by our long-term data that ileal ureteral creation is a safe treatment with good preservation of renal function and low risk of hemodialysis and metabolic acidosis.
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Affiliation(s)
- Mary E Soyster
- Department of Urology, Indiana University School of Medicine, Indianapolis, IN.
| | - Ramzy T Burns
- Department of Urology, Indiana University School of Medicine, Indianapolis, IN
| | - James E Slaven
- Department of Biostatistics and Health Data Science, School of Medicine, Indiana University, Indianapolis, IN
| | - Jason L Zappia
- Department of Urology, Indiana University School of Medicine, Indianapolis, IN
| | - Peter J Arnold
- Department of Urology, Indiana University School of Medicine, Indianapolis, IN
| | - Joshua D Roth
- Department of Urology, Indiana University School of Medicine, Indianapolis, IN
| | - Richard Bihrle
- Department of Urology, Indiana University School of Medicine, Indianapolis, IN
| | - M Francesca Monn
- Department of Urology, Indiana University School of Medicine, Indianapolis, IN; Division of Urology, Southern Illinois University School of Medicine, Springfield, IL
| | - Matthew J Mellon
- Department of Urology, Indiana University School of Medicine, Indianapolis, IN
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Wang X, Zhang Y, Zhang J, Li Z, Han G, Zhang L, Li X, Yang K, Wang B, Zhang P, Huang C, Liu J, Zhu H, Zhou L, Zhang K, Li X. Minimal-invasive ileal ureter replacement for the management of multiple ureteral polyps: the initial experience. Int Urol Nephrol 2024; 56:1919-1926. [PMID: 38200364 DOI: 10.1007/s11255-023-03850-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 10/09/2023] [Indexed: 01/12/2024]
Abstract
PURPOSE To present our initial experience in the management of multiple ureteral polyps with robotic or laparoscopic ileal ureter replacement (IUR). METHODS Eight consecutive patients diagnosed with multiple ureteral polyps underwent robotic or laparoscopic IUR between July 2019 and November 2022. Unilateral IUR was performed in 5 patients with polyps in the left (n = 3) or right (n = 2) side, and 3 patients with bilateral multiple polyps underwent bilateral IUR. Demographic characteristics, perioperative data and follow-up outcomes were prospectively collected. RESULTS A cohort of 5 male and 3 female patients (11 ureters) with a mean age of 32.8 ± 11.3 years were included. Among these patients, 5 presented with recurrent flank pain, 1 had hematuria, and 2 were asymptomatic. Four patients experienced prior failed surgical interventions. The mean length of diseased ureter was 11.9 ± 4.7 cm, with more than 10 cm in eight sides. All procedures were performed successfully. The mean operation time was 319 ± 87.6 min with 3 patients who simultaneously underwent intraoperative ureteroscopy. The mean length of ileal graft was 23.8 ± 5.8 cm. During the mean follow-up of 20.4 ± 12.8 months, one major complication, specifically incision infection, and four minor complications, including urinary infection (n = 3) and metabolic acidosis (n = 1), were observed. All patients presented symptom-free, with improved/stabilized hydronephrosis and no signs of restenosis. CONCLUSION Robotic or laparoscopic IUR is a feasible, safe, and effective surgical option for patients with long ureteral defects caused by multiple polyps.
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Affiliation(s)
- Xiang Wang
- Department of Urology, Peking University First Hospital, Institute of Urology, National Urological Cancer Centre, Beijing Key Laboratory of Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, No. 8 Xishiku St, Xicheng District, Beijing, 100034, China
| | - Yiming Zhang
- Department of Urology, Peking University First Hospital, Institute of Urology, National Urological Cancer Centre, Beijing Key Laboratory of Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, No. 8 Xishiku St, Xicheng District, Beijing, 100034, China
| | - Jilong Zhang
- Department of Urology, Peking University First Hospital, Institute of Urology, National Urological Cancer Centre, Beijing Key Laboratory of Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, No. 8 Xishiku St, Xicheng District, Beijing, 100034, China
| | - Zhihua Li
- Department of Urology, Peking University First Hospital, Institute of Urology, National Urological Cancer Centre, Beijing Key Laboratory of Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, No. 8 Xishiku St, Xicheng District, Beijing, 100034, China
- Department of Nursing, Peking University First Hospital, Peking University, No. 8 Xishiku St, Xicheng District, Beijing, 100034, China
| | - Guanpeng Han
- Department of Urology, Peking University First Hospital, Institute of Urology, National Urological Cancer Centre, Beijing Key Laboratory of Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, No. 8 Xishiku St, Xicheng District, Beijing, 100034, China
| | - Lianghao Zhang
- Department of Urology, Peking University First Hospital, Institute of Urology, National Urological Cancer Centre, Beijing Key Laboratory of Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, No. 8 Xishiku St, Xicheng District, Beijing, 100034, China
| | - Xinfei Li
- Department of Urology, Peking University First Hospital, Institute of Urology, National Urological Cancer Centre, Beijing Key Laboratory of Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, No. 8 Xishiku St, Xicheng District, Beijing, 100034, China
| | - Kunlin Yang
- Department of Urology, Peking University First Hospital, Institute of Urology, National Urological Cancer Centre, Beijing Key Laboratory of Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, No. 8 Xishiku St, Xicheng District, Beijing, 100034, China
| | - Bing Wang
- Department of Urology, Peking University First Hospital, Institute of Urology, National Urological Cancer Centre, Beijing Key Laboratory of Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, No. 8 Xishiku St, Xicheng District, Beijing, 100034, China
| | - Peng Zhang
- Department of Urology, Emergency General Hospital, No. 29 Xibahenanli St, Chaoyang District, Beijing, 100020, China
| | - Chen Huang
- Department of Urology, Beijing Jiangong Hospital, No. 6 Rufuli St, Xicheng District, Beijing, 100034, China
| | - Jing Liu
- Department of Urology, Beijing Jiangong Hospital, No. 6 Rufuli St, Xicheng District, Beijing, 100034, China
| | - Hongjian Zhu
- Department of Urology, Beijing Jiangong Hospital, No. 6 Rufuli St, Xicheng District, Beijing, 100034, China
| | - Liqun Zhou
- Department of Urology, Peking University First Hospital, Institute of Urology, National Urological Cancer Centre, Beijing Key Laboratory of Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, No. 8 Xishiku St, Xicheng District, Beijing, 100034, China
| | - Kai Zhang
- Department of Urology, Peking University First Hospital, Institute of Urology, National Urological Cancer Centre, Beijing Key Laboratory of Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, No. 8 Xishiku St, Xicheng District, Beijing, 100034, China.
| | - Xuesong Li
- Department of Urology, Peking University First Hospital, Institute of Urology, National Urological Cancer Centre, Beijing Key Laboratory of Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, No. 8 Xishiku St, Xicheng District, Beijing, 100034, China.
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Chen S, Wu Y, Zhang P, Li Z, Li X, Li Z, Yang K, Li X. Laparoscopic continent cutaneous urinary diversion using a modified Yang-Monti technique in an adult: A case report including 5-year follow-up. Curr Urol 2024; 18:71-74. [PMID: 38505162 PMCID: PMC10946638 DOI: 10.1097/cu9.0000000000000230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 08/03/2023] [Indexed: 03/21/2024] Open
Abstract
Continuous cutaneous urinary diversion is challenging when the appendix is physically unavailable. The Yang-Monti channel is an alternative to the tunneled appendix for urinary diversion. We present a case involving a 49-year-old man who underwent total urethrectomy and cystostomy 10 months previously. No tumor recurrence was observed; however, the patient experienced severe catheter-related bladder irritation after the procedure. The patient was readmitted to the authors' hospital and underwent laparoscopic continent cutaneous urinary diversion using extracorporeal construction of a modified Yang-Monti channel. The operation lasted 232 minutes, with an estimated blood loss of 10 mL. The patient was discharged from hospital 6 days after surgery and removal of the cystostomy tube. After this, clean intermittent catheterization was performed every 3 hours for 4 weeks. Five years after the procedure, the modified Yang-Monti channel was still used for clean intermittent catheterization without any stomal stenosis being observed. The patient was satisfied with his postoperative quality of life.
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Affiliation(s)
- Silu Chen
- Department of Urology, Peking University First Hospital, Institute of Urology, Peking University, National Urological Cancer Center, Beijing, China
| | - Yuye Wu
- Department of Urology, Fujian Second People’s Hospital, Fuzhou, China
| | - Peng Zhang
- Department of Urology, Emergency General Hospital, Beijing, China
| | - Zhihua Li
- Department of Urology, Peking University First Hospital, Institute of Urology, Peking University, National Urological Cancer Center, Beijing, China
| | - Xinfei Li
- Department of Urology, Peking University First Hospital, Institute of Urology, Peking University, National Urological Cancer Center, Beijing, China
| | - Zhenyu Li
- Department of Urology, Peking University First Hospital, Institute of Urology, Peking University, National Urological Cancer Center, Beijing, China
| | - Kunlin Yang
- Department of Urology, Peking University First Hospital, Institute of Urology, Peking University, National Urological Cancer Center, Beijing, China
| | - Xuesong Li
- Department of Urology, Peking University First Hospital, Institute of Urology, Peking University, National Urological Cancer Center, Beijing, China
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Hook S, Gross AJ, Netsch C, Becker B, Filmar S, Vetterlein MW, Kluth LA, Rosenbaum CM. [Update on ureteral reconstruction 2024]. UROLOGIE (HEIDELBERG, GERMANY) 2024; 63:25-33. [PMID: 37989869 DOI: 10.1007/s00120-023-02232-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 10/23/2023] [Indexed: 11/23/2023]
Abstract
Ureteral strictures can occur along the entire course of the ureter and have many different causes. Factors involved in the development include, among other things, congenital anomalies, iatrogenic injuries during endoscopic as well as open or minimally invasive visceral surgical, gynecological, and urological procedures as well as prior radiation therapy. Planning treatment for ureteral strictures requires a detailed assessment of stricture and patient characteristics. Given the various options for ureteral reconstruction, various methods must be considered for each patient. Short-segment proximal strictures and strictures at the pyeloureteral junction are typically surgically managed with Anderson-Hynes pyeloplasty. End-to-end anastomosis can be performed for short-segment proximal and middle ureteral strictures. Distal strictures are treated with ureteroneocystostomy and are often combined with a Boari and/or Psoas Hitch flap. Particularly, the treatment of long-segment strictures in the proximal and middle ureter remain a surgical challenge. The use of bowel interposition is an established treatment option for this, offering good functional results but also potential associated complications. Robot-assisted surgery is increasingly becoming a minimally invasive treatment alternative to reduce hospital stays and optimize postoperative recovery. However, open surgical ureteral reconstruction remains an established procedure, especially after multiple previous abdominal operations.
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Affiliation(s)
- S Hook
- Abteilung für Urologie, Asklepios Klinik Barmbek, Rübenkamp 220, 22307, Hamburg, Deutschland
| | - A J Gross
- Abteilung für Urologie, Asklepios Klinik Barmbek, Rübenkamp 220, 22307, Hamburg, Deutschland
| | - C Netsch
- Abteilung für Urologie, Asklepios Klinik Barmbek, Rübenkamp 220, 22307, Hamburg, Deutschland
| | - B Becker
- Abteilung für Urologie, Asklepios Klinik Barmbek, Rübenkamp 220, 22307, Hamburg, Deutschland
| | - S Filmar
- Abteilung für Urologie, Asklepios Klinik Barmbek, Rübenkamp 220, 22307, Hamburg, Deutschland
| | - M W Vetterlein
- Klinik und Poliklinik für Urologie, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Deutschland
| | - L A Kluth
- Klinik für Urologie, Universitätsklinikum Frankfurt am Main, Frankfurt am Main, Deutschland
| | - C M Rosenbaum
- Abteilung für Urologie, Asklepios Klinik Barmbek, Rübenkamp 220, 22307, Hamburg, Deutschland.
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Yang K, Wang X, Xu C, Li Z, Han G, Fan S, Chen S, Li X, Zhu H, Zhou L, Li X. Totally Intracorporeal Robot-assisted Unilateral or Bilateral Ileal Ureter Replacement for the Treatment of Ureteral Strictures: Technique and Outcomes from a Single Center. Eur Urol 2023; 84:561-570. [PMID: 37225525 DOI: 10.1016/j.eururo.2023.04.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/27/2023] [Accepted: 04/23/2023] [Indexed: 05/26/2023]
Abstract
BACKGROUND Few studies on totally intracorporeal robot-assisted ileal ureter replacement (RA-IUR) have been reported. OBJECTIVE To report our technique and the outcomes of totally intracorporeal RA-IUR for unilateral or bilateral ureteral reconstruction, involving performing cystoplasty simultaneously. DESIGN, SETTING, AND PARTICIPANTS Fifteen patients underwent totally intracorporeal RA-IUR from April 2021 to July 2022 at a single center. The perioperative variables were prospectively collected, and the outcomes were assessed. SURGICAL PROCEDURE The surgical procedure included dissection of the proximal end of the ureteral stricture or renal pelvis, harvesting of the ileal ureter, rebuilding of intestinal continuity, upper anastomosis of the ileum to the renal pelvis or the ureteral end, and lower anastomosis of the ileum to the bladder. All operations were performed intracorporeally. MEASUREMENTS Patient demographics and perioperative results were prospectively collected and analyzed for perioperative complications and success rates. A descriptive statistical analysis was performed. RESULTS AND LIMITATIONS All patients successfully underwent totally intracorporeal RA-IUR without open conversion. Seven patients received unilateral RA-IUR and eight received bilateral RA-IUR. The mean (range) length of the harvested ileal segment was 28.3 (15-40) cm, the operative duration was 261.8 (183-381) min, the estimated blood loss was 64.7 (30-100) ml, and the duration of postoperative hospitalization was 10.5 (7-17) d. At a median (range) follow-up of 14 (8-22) mo, the subjective and functional success rates were 100% and 86.7%, respectively. CONCLUSIONS Our results demonstrate that totally intracorporeal unilateral or bilateral RA-IUR (even with ileocystoplasty) can be performed safely and efficiently with acceptable minor complications and a high success rate. PATIENT SUMMARY Our study indicates that totally intracorporeal robotic ileal ureter replacement surgery is safe and feasible for ureteral reconstruction, even with ileocystoplasty. The postoperative complications are acceptable. At a median follow-up of 14 (8-22) mo, the subjective and functional success rates were 100% and 86.7%, respectively.
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Affiliation(s)
- Kunlin Yang
- Department of Urology, Peking University First Hospital, Beijing, China; Institute of Urology, Peking University, Beijing, China; National Urological Cancer Center, Beijing, China
| | - Xiang Wang
- Department of Urology, Peking University First Hospital, Beijing, China; Institute of Urology, Peking University, Beijing, China; National Urological Cancer Center, Beijing, China
| | - Chunru Xu
- Department of Urology, Peking University First Hospital, Beijing, China; Institute of Urology, Peking University, Beijing, China; National Urological Cancer Center, Beijing, China
| | - Zhihua Li
- Department of Urology, Peking University First Hospital, Beijing, China; Institute of Urology, Peking University, Beijing, China; National Urological Cancer Center, Beijing, China
| | - Guanpen Han
- Department of Urology, Peking University First Hospital, Beijing, China; Institute of Urology, Peking University, Beijing, China; National Urological Cancer Center, Beijing, China
| | - Shubo Fan
- Department of Urology, Peking University First Hospital, Beijing, China; Institute of Urology, Peking University, Beijing, China; National Urological Cancer Center, Beijing, China
| | - Silu Chen
- Department of Urology, Peking University First Hospital, Beijing, China; Institute of Urology, Peking University, Beijing, China; National Urological Cancer Center, Beijing, China
| | - Xinfei Li
- Department of Urology, Peking University First Hospital, Beijing, China; Institute of Urology, Peking University, Beijing, China; National Urological Cancer Center, Beijing, China
| | | | - Liqun Zhou
- Department of Urology, Peking University First Hospital, Beijing, China; Institute of Urology, Peking University, Beijing, China; National Urological Cancer Center, Beijing, China.
| | - Xuesong Li
- Department of Urology, Peking University First Hospital, Beijing, China; Institute of Urology, Peking University, Beijing, China; National Urological Cancer Center, Beijing, China.
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Harrison W, Munien K, Desai D. Advancements in minimally invasive bilateral ileal ureter replacement: a promising approach for complex long-segment ureteric strictures. Transl Androl Urol 2023; 12:1215-1218. [PMID: 37680220 PMCID: PMC10481203 DOI: 10.21037/tau-23-284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Accepted: 07/05/2023] [Indexed: 09/09/2023] Open
Affiliation(s)
- William Harrison
- Department of Urology, Toowoomba Base Hospital, Queensland Health, Queensland, Australia
| | - Kale Munien
- Department of Urology, Toowoomba Base Hospital, Queensland Health, Queensland, Australia
| | - Devang Desai
- Department of Urology, Toowoomba Base Hospital, Queensland Health, Queensland, Australia
- School of Medicine, University of Queensland, Queensland, Australia
- School of Medicine and Dentistry, Griffith University, Queensland, Australia
- School of Health and Medical Sciences, University of Southern Queensland, Queensland, Australia
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Wang X, Chen S, Li X, Fan S, Han G, Li Z, Yang K, Zhang K, Zhou L, Li X. Robotic-assisted Laparoscopic Bilateral Ileal Ureter Replacement With Extracorporeal Ileal Segment Preparation for Bilateral Extensive Ureteral Strictures: The Initial Experience. Urology 2023; 176:213-218. [PMID: 37003474 DOI: 10.1016/j.urology.2023.03.026] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 03/21/2023] [Accepted: 03/22/2023] [Indexed: 04/03/2023]
Abstract
OBJECTIVE To present our initial experience and evaluate perioperative, and follow-up outcomes following the novel technique of robot-assisted laparoscopic bilateral ileal ureter replacement (IUR) with extracorporeal ileal segment preparation for bilateral extensive ureteral strictures (BEUS). METHODS We prospectively enrolled 4 consecutive patients with BEUS undergoing robot-assisted laparoscopic bilateral IUR with extracorporeal ileal segment preparation between June 2021 and October 2021. A 4-arm technique was used. The demographic characteristics, perioperative data, and follow-up outcomes as well as the description of surgical technique were reported. RESULTS All the patients had BEUS, and the length of strictures was over 10.ßcm in both sides. All procedures were performed effectively with a median operative time of 312.5.ßminutes (range 227-433) and a median estimated blood loss of 75.ßmL (range 50-200). In one patient, additional partial small bowel resection procedure was performed. No case was converted to open surgery. The median length of the ileal graft was 29.ßcm (range 15-32). The median postoperative hospitalization was 10 days (range 6-13). Two patients developed metabolic acidosis, and no major complications during the perioperative and follow-up period were reported. All patients presented symptom-free, with no signs of restenosis and improved/stabilized hydronephrosis, during the median follow-up of 12 months (range 12-15). CONCLUSION We present the details and initial experience of robot-assisted laparoscopic bilateral IUR with extracorporeal ileal segment preparation. According to the median follow-up of 12 months, this minimally invasive procedure is a safe, feasible, and effective approach in the management of BEUS.
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Affiliation(s)
- Xiang Wang
- Department of Urology, Peking University First Hospital, Institute of Urology, Peking University, National Urological Cancer Centre, Xicheng District, Beijing 100034, China
| | - Silu Chen
- Department of Urology, Peking University First Hospital, Institute of Urology, Peking University, National Urological Cancer Centre, Xicheng District, Beijing 100034, China
| | - Xinfei Li
- Department of Urology, Peking University First Hospital, Institute of Urology, Peking University, National Urological Cancer Centre, Xicheng District, Beijing 100034, China
| | - Shubo Fan
- Department of Urology, Peking University First Hospital, Institute of Urology, Peking University, National Urological Cancer Centre, Xicheng District, Beijing 100034, China
| | - Guanpeng Han
- Department of Urology, Peking University First Hospital, Institute of Urology, Peking University, National Urological Cancer Centre, Xicheng District, Beijing 100034, China
| | - Zhihua Li
- Department of Urology, Peking University First Hospital, Institute of Urology, Peking University, National Urological Cancer Centre, Xicheng District, Beijing 100034, China; Department of Nursing, Peking University First Hospital, Peking University, Xicheng District, Beijing 100034, China
| | - Kunlin Yang
- Department of Urology, Peking University First Hospital, Institute of Urology, Peking University, National Urological Cancer Centre, Xicheng District, Beijing 100034, China
| | - Kai Zhang
- Department of Urology, Peking University First Hospital, Institute of Urology, Peking University, National Urological Cancer Centre, Xicheng District, Beijing 100034, China
| | - Liqun Zhou
- Department of Urology, Peking University First Hospital, Institute of Urology, Peking University, National Urological Cancer Centre, Xicheng District, Beijing 100034, China
| | - Xuesong Li
- Department of Urology, Peking University First Hospital, Institute of Urology, Peking University, National Urological Cancer Centre, Xicheng District, Beijing 100034, China.
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