1.Management strategies for vesicovaginal fistula following cervical cancer radiotherapy in women
Jiemin SI ; Weidong ZHU ; Ranxing YANG ; Lujie SONG ; Chongrui JIN ; Jianwen HUANG ; Xuxiao YE ; Zuowei LI ; Wenxiong SONG ; Qiang FU ; Yinglong SA
Chinese Journal of Urology 2025;46(8):587-592
Objective:To investigate the treatment strategies for vesicovaginal fistula(VVF)in women following cervical cancer radiotherapy.Methods:A retrospective analysis was performed on the clinical data of 33 female patients with post-radiotherapy VVF after cervical cancer treatment at Shanghai Sixth People’s Hospital between January 2020 and June 2024. The patients were categorized into three groups based on surgical approaches:Group A(11 patients):Underwent prone-position VVF repair. Mean age:(50.0±9.6)years;mean radiotherapy sessions:(22.6±2.2). All had simple VVF without concurrent intestinal or surrounding soft-tissue fistulas. Among them,1 patient previously received laparoscopic VVF repair,1 transvaginal VVF repair,and 2 gracilis muscle flap packing for VVF repair. One month prior to surgery,the average daily usage of urine pads was 16.7(12.8,25.7)pieces,and the quality of life(QOL)score stood at 4.0(4.0,5.0)points. Preoperative cystoscopy revealed that 8 cases had fistulas located in the trigonal region of the bladder,while 3 cases had fistulas on the posterior bladder wall. The diameter of the fistula openings,measured under a microscope,was 1.2(0.8,1.6)cm. Based on the Goh classification criteria for vesicovaginal fistulas,this group included 3 cases of type 1,4 cases of type 2,2 cases of type 3,and 2 cases of type 4;7 cases of type A and 4 cases of type B;as well as 3 cases of typeⅠ,7 cases of type Ⅱ,and 1 case of type Ⅲ.Group B(20 patients):Underwent gracilis muscle flap packing for VVF repair. Mean age:(58.6±8.8)years;mean radiotherapy sessions:(29.8±3.9). Three patients had concurrent rectovaginal fistulas and received colostomy for fecal diversion. History of previous interventions:3 had laparoscopic VVF repair,4 transvaginal VVF repair,and 1 both transvaginal and laparoscopic VVF repair. One month prior to surgery,the average daily usage of urine pads was 19.7(15.8,27.7)pieces,and the QOL score stood at 5.0(5.0,6.0)points. Preoperative cystoscopy revealed that 13 cases had fistulas located in the trigonal region of the bladder,while 7 cases had fistulas on the posterior bladder wall. The diameter of the fistula openings,measured under a microscope,was 1.8(1.0,3.2)cm. Based on the Goh classification criteria for vesicovaginal fistulas,this group included 4 cases of type 1,9 cases of type 2,3 cases of type 3,and 4 cases of type 4;6 cases of type A,11 cases of type B and 3 cases of type C;as well as 1 cases of type Ⅱ,and 19 case of type Ⅲ. Group C(2 patients):Underwent ureterocutaneous diversion. Ages:67 and 73 years;radiotherapy sessions:51 and 60,respectively. Both had concurrent rectovaginal fistulas and bladder soft-tissue fistulas. The patient presented with recurrent thigh abscesses accompanied by fever. One month prior to surgery,the daily usage of urine pads was 29 and 23 pieces,respectively,and the QOL score was 6 points. Cystoscopic examination revealed that the vesicovaginal fistulas were located in the trigone of the bladder,with diameters of 3 cm and 4 cm,respectively. Additionally,partial defects were noted in the ventral wall of the urethra,while no bladder soft tissue fistulas were detected. According to the Goh classification for vesicovaginal fistulas,both cases were categorized as type 4,type C,and type Ⅲ. For Groups A and B,urinary catheters were indwelled for 3 weeks postoperatively,then removed to assess spontaneous urination and incontinence. QOL was evaluated,with a minimum 6-month follow-up. For confirmed postoperative VVF recurrence,re-repair was performed 3?6 months later based on patient preference. For Group C,double-J stents were placed in the ureters,and stoma bags were applied 3 days postoperatively. Stents were replaced every 1?2 months,with QOL assessment. Successful fistula repair in Groups A and B was defined as the absence of vaginal leakage confirmed by cystoscopy after six months of the procedure with no vaginal leakage. For Group C,surgical success was determined by the resolution of perineal urinary leakage and improvement in QOL.Results:All 33 patients completed surgery successfully. Group A:Follow-up duration:16.3(9.6,24.6)months. Surgical repair succeeded in 7 patients,with unobstructed spontaneous urination and no vaginal incontinence. Four patients had VVF recurrence:2 refused further treatment,and 2 underwent repeat gracilis muscle flap packing. One was successfully repaired,while one recurrence case refused further treatment. Group B:Follow-up duration:17.0(9.5,24.8)months(8?32 months). Thirteen patients restored spontaneous urination without recurrence. Seven had recurrence:5 refused further surgery,and 2 underwent re-repair. One repair succeeded without incontinence,while one recurrence case refused treatment. Group C:Follow-up durations were 6 and 22 months. Perineum remained dry without incontinence(no urine pads needed),and no recurrence of thigh soft-tissue redness/infection occurred. QOL scores were 2 and 3,respectively.Conclusions:Post-radiotherapy VVF in women after cervical cancer presents complex and variable conditions. The primary goal of treatment should be to improve patients’ quality of life. Treatment approaches should be selected based on the complexity of urinary fistulas and local tissue conditions. In general,patients who are younger,have received lower doses of radiation therapy,present with smaller fistula diameters,have well-vascularized and elastic perifistular tissues,and have no concurrent tissue fistulas are candidates for prone-position VVF repair. Patients who do not meet the criteria for transvaginal repair,have a history of at least two previous repair attempts,or have concurrent vaginorectal fistulas require gracilis muscle flap packing for VVF repair. Patients with three or more types of concurrent tissue fistulas,extensive pale and inelastic perifistular tissues,and who are not amenable to repair surgery undergo ureterocutaneous diversion.
2.Efficacy of the transpubic access in the treatment of female urogenital tract injury
Weidong ZHU ; Jiemin SI ; Chongrui JIN ; Wenxiong SONG ; Xuxiao YE ; Lujie SONG ; Qiang FU ; Yinglong SA
Chinese Journal of Urology 2025;46(10):774-777
Objective:To explore the application value of transpubic access on female urogenital tract injury.Methods:A retrospective analysis was conducted on 15 female patients with urogenital tract injury caused by trauma admitted to our department from May 2020 to October 2024,all of whom were complicated urethral stricture or atresia,accompanied by urethrovaginal fistula or vaginorectal fistula. All patients underwent suprapubic vesicostomy before surgery,and 1 case underwent sigmoidostomy simultaneously. The mean age of the patients was(29.6 ± 3.2)years old,and the course of disease was 6-24 months. Preoperative urethrography and urethroscope showed the location of urethral stenosis,with proximal urethra stricture in 7 cases and distal urethra stricture in 8 cases. The average length of strictures was(2.8±0.2)cm. The urethral ultrasonography,magnetic resonance and CTU examination showed 8 patients were complicated with urethrovaginal fistula,and 1 patient was complicated with vaginorectal fistula. All patients underwent transpubic access and resection of symphysis pubis. According to the specific conditions of urethral stricture,7 of them underwent end-to-end urethral anastomosis,5 cases underwent bladder wall flap urethroplasty,3 cases underwent vulva flap urethroplasty,8 cases underwent urethral vaginal fistula repair,1 case underwent vagino-rectal fistula repair,and 7 cases underwent vaginoplasty during the operation.Results:All the 15 patients underwent successful operation without complication. After the catheter being removed 4 weeks after surgery,2 patients had urgent urinary incontinence and 3 patients had stress urinary incontinence. The bladder neck was reconstructed 3 months after surgery,the symptoms of urinary incontinence improved in 1 case,urinary incontinence remained in 2 cases,and pharmaceutical or physical therapy were continued. Two patients could not urinate normally after the catheter was removed and still carried the vesicostomy tube,waiting for further treatment. The other 8 patients had unobtrusive voiding after extubating,and were followed up for an average of(22.5±3.2)months. There was no recurrence of urinary fistula,and the average maximum urinary flow rate was(22.8±3.2)ml/s.Conclusions:The transpubic approach is a safe and effective way to treat female genital tract injury by different surgical methods according to specific conditions,especially for patients with severe trauma,poor local tissue conditions,complicated urethrovaginal fistula or vagino-rectal fistula.
3.Efficacy of the transpubic access in the treatment of female urogenital tract injury
Weidong ZHU ; Jiemin SI ; Chongrui JIN ; Wenxiong SONG ; Xuxiao YE ; Lujie SONG ; Qiang FU ; Yinglong SA
Chinese Journal of Urology 2025;46(10):774-777
Objective:To explore the application value of transpubic access on female urogenital tract injury.Methods:A retrospective analysis was conducted on 15 female patients with urogenital tract injury caused by trauma admitted to our department from May 2020 to October 2024,all of whom were complicated urethral stricture or atresia,accompanied by urethrovaginal fistula or vaginorectal fistula. All patients underwent suprapubic vesicostomy before surgery,and 1 case underwent sigmoidostomy simultaneously. The mean age of the patients was(29.6 ± 3.2)years old,and the course of disease was 6-24 months. Preoperative urethrography and urethroscope showed the location of urethral stenosis,with proximal urethra stricture in 7 cases and distal urethra stricture in 8 cases. The average length of strictures was(2.8±0.2)cm. The urethral ultrasonography,magnetic resonance and CTU examination showed 8 patients were complicated with urethrovaginal fistula,and 1 patient was complicated with vaginorectal fistula. All patients underwent transpubic access and resection of symphysis pubis. According to the specific conditions of urethral stricture,7 of them underwent end-to-end urethral anastomosis,5 cases underwent bladder wall flap urethroplasty,3 cases underwent vulva flap urethroplasty,8 cases underwent urethral vaginal fistula repair,1 case underwent vagino-rectal fistula repair,and 7 cases underwent vaginoplasty during the operation.Results:All the 15 patients underwent successful operation without complication. After the catheter being removed 4 weeks after surgery,2 patients had urgent urinary incontinence and 3 patients had stress urinary incontinence. The bladder neck was reconstructed 3 months after surgery,the symptoms of urinary incontinence improved in 1 case,urinary incontinence remained in 2 cases,and pharmaceutical or physical therapy were continued. Two patients could not urinate normally after the catheter was removed and still carried the vesicostomy tube,waiting for further treatment. The other 8 patients had unobtrusive voiding after extubating,and were followed up for an average of(22.5±3.2)months. There was no recurrence of urinary fistula,and the average maximum urinary flow rate was(22.8±3.2)ml/s.Conclusions:The transpubic approach is a safe and effective way to treat female genital tract injury by different surgical methods according to specific conditions,especially for patients with severe trauma,poor local tissue conditions,complicated urethrovaginal fistula or vagino-rectal fistula.
4.Management strategies for vesicovaginal fistula following cervical cancer radiotherapy in women
Jiemin SI ; Weidong ZHU ; Ranxing YANG ; Lujie SONG ; Chongrui JIN ; Jianwen HUANG ; Xuxiao YE ; Zuowei LI ; Wenxiong SONG ; Qiang FU ; Yinglong SA
Chinese Journal of Urology 2025;46(8):587-592
Objective:To investigate the treatment strategies for vesicovaginal fistula(VVF)in women following cervical cancer radiotherapy.Methods:A retrospective analysis was performed on the clinical data of 33 female patients with post-radiotherapy VVF after cervical cancer treatment at Shanghai Sixth People’s Hospital between January 2020 and June 2024. The patients were categorized into three groups based on surgical approaches:Group A(11 patients):Underwent prone-position VVF repair. Mean age:(50.0±9.6)years;mean radiotherapy sessions:(22.6±2.2). All had simple VVF without concurrent intestinal or surrounding soft-tissue fistulas. Among them,1 patient previously received laparoscopic VVF repair,1 transvaginal VVF repair,and 2 gracilis muscle flap packing for VVF repair. One month prior to surgery,the average daily usage of urine pads was 16.7(12.8,25.7)pieces,and the quality of life(QOL)score stood at 4.0(4.0,5.0)points. Preoperative cystoscopy revealed that 8 cases had fistulas located in the trigonal region of the bladder,while 3 cases had fistulas on the posterior bladder wall. The diameter of the fistula openings,measured under a microscope,was 1.2(0.8,1.6)cm. Based on the Goh classification criteria for vesicovaginal fistulas,this group included 3 cases of type 1,4 cases of type 2,2 cases of type 3,and 2 cases of type 4;7 cases of type A and 4 cases of type B;as well as 3 cases of typeⅠ,7 cases of type Ⅱ,and 1 case of type Ⅲ.Group B(20 patients):Underwent gracilis muscle flap packing for VVF repair. Mean age:(58.6±8.8)years;mean radiotherapy sessions:(29.8±3.9). Three patients had concurrent rectovaginal fistulas and received colostomy for fecal diversion. History of previous interventions:3 had laparoscopic VVF repair,4 transvaginal VVF repair,and 1 both transvaginal and laparoscopic VVF repair. One month prior to surgery,the average daily usage of urine pads was 19.7(15.8,27.7)pieces,and the QOL score stood at 5.0(5.0,6.0)points. Preoperative cystoscopy revealed that 13 cases had fistulas located in the trigonal region of the bladder,while 7 cases had fistulas on the posterior bladder wall. The diameter of the fistula openings,measured under a microscope,was 1.8(1.0,3.2)cm. Based on the Goh classification criteria for vesicovaginal fistulas,this group included 4 cases of type 1,9 cases of type 2,3 cases of type 3,and 4 cases of type 4;6 cases of type A,11 cases of type B and 3 cases of type C;as well as 1 cases of type Ⅱ,and 19 case of type Ⅲ. Group C(2 patients):Underwent ureterocutaneous diversion. Ages:67 and 73 years;radiotherapy sessions:51 and 60,respectively. Both had concurrent rectovaginal fistulas and bladder soft-tissue fistulas. The patient presented with recurrent thigh abscesses accompanied by fever. One month prior to surgery,the daily usage of urine pads was 29 and 23 pieces,respectively,and the QOL score was 6 points. Cystoscopic examination revealed that the vesicovaginal fistulas were located in the trigone of the bladder,with diameters of 3 cm and 4 cm,respectively. Additionally,partial defects were noted in the ventral wall of the urethra,while no bladder soft tissue fistulas were detected. According to the Goh classification for vesicovaginal fistulas,both cases were categorized as type 4,type C,and type Ⅲ. For Groups A and B,urinary catheters were indwelled for 3 weeks postoperatively,then removed to assess spontaneous urination and incontinence. QOL was evaluated,with a minimum 6-month follow-up. For confirmed postoperative VVF recurrence,re-repair was performed 3?6 months later based on patient preference. For Group C,double-J stents were placed in the ureters,and stoma bags were applied 3 days postoperatively. Stents were replaced every 1?2 months,with QOL assessment. Successful fistula repair in Groups A and B was defined as the absence of vaginal leakage confirmed by cystoscopy after six months of the procedure with no vaginal leakage. For Group C,surgical success was determined by the resolution of perineal urinary leakage and improvement in QOL.Results:All 33 patients completed surgery successfully. Group A:Follow-up duration:16.3(9.6,24.6)months. Surgical repair succeeded in 7 patients,with unobstructed spontaneous urination and no vaginal incontinence. Four patients had VVF recurrence:2 refused further treatment,and 2 underwent repeat gracilis muscle flap packing. One was successfully repaired,while one recurrence case refused further treatment. Group B:Follow-up duration:17.0(9.5,24.8)months(8?32 months). Thirteen patients restored spontaneous urination without recurrence. Seven had recurrence:5 refused further surgery,and 2 underwent re-repair. One repair succeeded without incontinence,while one recurrence case refused treatment. Group C:Follow-up durations were 6 and 22 months. Perineum remained dry without incontinence(no urine pads needed),and no recurrence of thigh soft-tissue redness/infection occurred. QOL scores were 2 and 3,respectively.Conclusions:Post-radiotherapy VVF in women after cervical cancer presents complex and variable conditions. The primary goal of treatment should be to improve patients’ quality of life. Treatment approaches should be selected based on the complexity of urinary fistulas and local tissue conditions. In general,patients who are younger,have received lower doses of radiation therapy,present with smaller fistula diameters,have well-vascularized and elastic perifistular tissues,and have no concurrent tissue fistulas are candidates for prone-position VVF repair. Patients who do not meet the criteria for transvaginal repair,have a history of at least two previous repair attempts,or have concurrent vaginorectal fistulas require gracilis muscle flap packing for VVF repair. Patients with three or more types of concurrent tissue fistulas,extensive pale and inelastic perifistular tissues,and who are not amenable to repair surgery undergo ureterocutaneous diversion.
5.The outcomes of modified Kulkarni’s one-stage tongue mucosa graft urethroplasty in patients with anterior urethral stricture
Jiemin SI ; Lujie SONG ; Chongrui JIN ; Jianwen HUANG ; Xuxiao YE ; Zuowei LI ; Wenxiong SONG ; Qiang FU ; Yinglong SA
Chinese Journal of Urology 2024;45(10):761-766
Objective:To evaluate the efficacy of modified Kulkarni's one-stage tongue mucosal urethroplasty.Methods:From January 2020 to December 2022, 42 patients with anterior urethral stricture treated by modified Kulkarni one-stage tongue mucous urethroplasty in Shanghai Sixth People's Hospital. Stricture etiology was iatrogenic in 15 cases, trauma in 5 cases, unknown in 5 cases, infection in 6 cases, and lichen sclerosus in 11 cases. Twenty-one patients had previously undergone urethroplasty. The mean age of patients was (48.1±16.2) years. Median stricture length was (6.4±3.0)cm, including 11 cases with two strictures and 3 cases with multiple stenoses. The average preoperative Qmax was (4.6±2.3)ml/s, and the average residual urine was (96.6±24.7)ml. For treatment methods, a midline perineal incision was made, penis was invaginated into the incision, the distal extent of the stenosis was identified, urethra was rotated and dissected only on the left side, and incised dorsally to expose the whole stricture longitudinally. The tongue mucosal graft was fixed to the underlying albuginea and the right margin of the graft was sutured to the left margin of the urethral plate. Foley F14 silicon catheter was inserted. The urethra was rotated to its original position thus covering the oral graft. The improvements were as follows: First, we used tongue mucosa instead of cheek mucosa; Second, for the stenosis involving the urethral meatus, the narrowed urethral meatus was incised on the left side, which was continuous with the incision on the left side of the distal narrow segment, and then tongue mucosa was used as a whole. The catheter was removed 4 weeks after surgery, followed up 1, 3, 6 months, and then once a year.Results:All 42 patients underwent successful surgery without blood transfusion during the operation. The surgical time was 60-120 minutes. There were no complications such as infection, tissue necrosis, or bleeding during the perioperative period, and 16 patients complained of oral pain, which was relieved within one week after surgery. During the follow-up period, 39 cases presented with unobtrusive urination. One month after extubation, the maximum urine flow rate was (25.6±5.7)ml/s, and the residual urine volume was (11.3±7.1)ml. Three months after extubation, the maximum urine flow rate was (25.3±5.7)ml/s, and the residual urine volume was (11.9±7.5)ml. Six months after extubation, the maximum urine flow rate was (24.8±5.9)ml/s, and the residual urine volume was(12.4±7.9)ml. Two patients had recurrent stenosis 2 months after surgery, of which 1 patient underwent urethral dilation and recovered unobstructed urination, and 1 patient had recurrent stenosis after urethral dilation for 2 times and was cured after urethroplasty. No local wound infection, urethral shrinkage, urethral diverticulum, or urinary fistula occurred during the follow-up for 6 to 42 months.Conclusions:The modified Kulkarni’s one-stage tongue mucosa graft urethroplasty is suitable for most anterior urethral strictures, with high success rate, few complications, and avoidance of local wound complications
6.The outcomes of modified Kulkarni’s one-stage tongue mucosa graft urethroplasty in patients with anterior urethral stricture
Jiemin SI ; Lujie SONG ; Chongrui JIN ; Jianwen HUANG ; Xuxiao YE ; Zuowei LI ; Wenxiong SONG ; Qiang FU ; Yinglong SA
Chinese Journal of Urology 2024;45(10):761-766
Objective:To evaluate the efficacy of modified Kulkarni's one-stage tongue mucosal urethroplasty.Methods:From January 2020 to December 2022, 42 patients with anterior urethral stricture treated by modified Kulkarni one-stage tongue mucous urethroplasty in Shanghai Sixth People's Hospital. Stricture etiology was iatrogenic in 15 cases, trauma in 5 cases, unknown in 5 cases, infection in 6 cases, and lichen sclerosus in 11 cases. Twenty-one patients had previously undergone urethroplasty. The mean age of patients was (48.1±16.2) years. Median stricture length was (6.4±3.0)cm, including 11 cases with two strictures and 3 cases with multiple stenoses. The average preoperative Qmax was (4.6±2.3)ml/s, and the average residual urine was (96.6±24.7)ml. For treatment methods, a midline perineal incision was made, penis was invaginated into the incision, the distal extent of the stenosis was identified, urethra was rotated and dissected only on the left side, and incised dorsally to expose the whole stricture longitudinally. The tongue mucosal graft was fixed to the underlying albuginea and the right margin of the graft was sutured to the left margin of the urethral plate. Foley F14 silicon catheter was inserted. The urethra was rotated to its original position thus covering the oral graft. The improvements were as follows: First, we used tongue mucosa instead of cheek mucosa; Second, for the stenosis involving the urethral meatus, the narrowed urethral meatus was incised on the left side, which was continuous with the incision on the left side of the distal narrow segment, and then tongue mucosa was used as a whole. The catheter was removed 4 weeks after surgery, followed up 1, 3, 6 months, and then once a year.Results:All 42 patients underwent successful surgery without blood transfusion during the operation. The surgical time was 60-120 minutes. There were no complications such as infection, tissue necrosis, or bleeding during the perioperative period, and 16 patients complained of oral pain, which was relieved within one week after surgery. During the follow-up period, 39 cases presented with unobtrusive urination. One month after extubation, the maximum urine flow rate was (25.6±5.7)ml/s, and the residual urine volume was (11.3±7.1)ml. Three months after extubation, the maximum urine flow rate was (25.3±5.7)ml/s, and the residual urine volume was (11.9±7.5)ml. Six months after extubation, the maximum urine flow rate was (24.8±5.9)ml/s, and the residual urine volume was(12.4±7.9)ml. Two patients had recurrent stenosis 2 months after surgery, of which 1 patient underwent urethral dilation and recovered unobstructed urination, and 1 patient had recurrent stenosis after urethral dilation for 2 times and was cured after urethroplasty. No local wound infection, urethral shrinkage, urethral diverticulum, or urinary fistula occurred during the follow-up for 6 to 42 months.Conclusions:The modified Kulkarni’s one-stage tongue mucosa graft urethroplasty is suitable for most anterior urethral strictures, with high success rate, few complications, and avoidance of local wound complications
7.Application of modified York-Mason procedure in repairing urethrorectal fistula following radical prostatectomy
Yinglong SA ; Chongrui JIN ; Jiemin SI ; Xuxiao YE ; Wenxiong SONG ; Rong LYU ; Gong CHEN ; Qiang FU
Chinese Journal of Urology 2023;44(8):561-565
Objective:To investigate the effect of modified York-Mason technique on urethrorectal fistula after radical prostatectomy.Methods:A retrospective analysis of clinical data from 20 patients with urethrorectal fistula after radical prostatectomy admitted to Shanghai Sixth People's Hospital from May 2016 to October 2022 was conducted. Patients’ average age was (76.6±4.2) years. The etiology was rectal injury during radical prostatectomy. Patients present urine leakage from the anus during micturition. 2 cases also had bladder neck stenosis, and 1 case had urinary incontinence.3 cases had radiotherapy history because of prostate cancer. The average duration of urethrorectal fistula was (1.8±2.3)years. Preoperative imaging confirmed the presence of contrast agent flowing from the bladder neck into the rectum. Three suspicious patients also underwent CT three-dimensional reconstruction. Urethroscopy revealed a depression at the bladder neck in five cases. Anorectal examination in five cases showed the formation of gas bubbles in the lower anterior wall of the rectum, along with a concave anterior wall. The distance from the fistula to the anal margin was (6.0±2.1) cm, with fistula diameters ≥1 cm in twelve cases, <1 cm in eight cases. Twelve patients had previously undergone cystotomy, and seventeen patients had undergone colostomy. The modified York-Mason procedure was adopted for all 20 cases. The patients were under general anesthesia and placed in the prone jackknife position, with the buttocks spread and fixed to the sides to expose the anus. An 8 cm-long incision was made from two points near the sacrococcygeal joint to the anal edge, representing the modified York-Mason approach. After dividing the anal sphincter muscle, both sides were marked using 3-0 chromium thread for subsequent anal reconstruction. The urethrorectal fistula was exposed, and the urethral side of the fistula was sutured with 4-0 absorbable thread, while the anterior rectal wall side was sutured with 3-0 absorbable thread. In cases of bladder neck stenosis, urethral internal incision was performed, and a urethral catheter was retained for 3 weeks postoperatively. Perianal incision drainage tubes were removed after three days. Patients had colostomy repair could eat the day after surgery, while those who didn’t were fast for five days and received intravenous nutrition.Results:All 20 cases in this group were successfully completed without complications during surgery. Follow-up ranged from 10 to 48 months after surgery. Seventeen (17/20)cases had unobstructed urination, with a maximum urine flow rate >15 ml, and no urine leakage from the anus. Postoperative urethrography and cystourethroscopy showed there were no urethrorectal fistulas in 15 cases. None of the patients experienced fecal incontinence after the surgery, except for three patients with a history of radiotherapy who continued to experience anal leakage. One patient underwent a second modified York-Mason procedure and achieved complete recovery three months after the second surgery. Another patient had anal discharge, and the fistula healed after two weeks of urethral catheter retention. One patient refused further treatment due to advanced age and frailty but still had anal leakage. Another patient experienced regular urethral dilation for urination difficulties, while one patient continued to have urinary incontinence.Conclusions:The modified York-Mason technique could be an effective method for urethrorectal fistula after radical prostatectomy with high success rate and few side effects.
8. Research progress on experimental pharmacology models of sarcopenia from the view of senescence
Yongfang FU ; Yixun GUO ; Yan ZHANG ; Jing WANG ; Wenxiong LI ; Yan ZHANG
Chinese Journal of Clinical Pharmacology and Therapeutics 2022;27(8):892-898
Sarcopenia, characterized as the progressive decrease in skeletal muscle mass, strength, and function, has been becoming one of chronic musculoskeletal diseases in aging people. In basic research studies, a reliable experimental model would be vital significance for deeply understanding pathophysiological mechanism of sarcopenia and developing novel drugs. This review provided a preliminary summary on the potential mechanisms involved in senescence-induced sarcopenia, followed by a discussion on research progress on pharmacology models based on molecular mechanism of senescence, especially from in vitro cell models and in vivo animal models.
9. Clinical study of Qixie-Huoxue-Tongluo decoction combined with ozagrel sodium injection in treatment of cerebral thrombosis
Wenxiong FU ; Gang CHEN ; Yuting XU ; Shujun WU
International Journal of Traditional Chinese Medicine 2019;41(9):954-957
Objective:
To study the clinical efficacy of
10.Production of antioxidative exopolysaccharides of Cordyceps militaris with Vernonia amygdalina leaves in substrate.
Ruolin HOU ; Lin LI ; Kaikai XIANG ; Xiaoping WU ; Wenxiong LIN ; Mingfeng ZHENG ; Junsheng FU
Chinese Journal of Biotechnology 2019;35(4):667-676
Cordyceps militaris exopolysaccharides (EPS) have many pharmacological activities such as boosting immunity and antifatigue. To obtain EPS efficiently, we added moderate Vernonia amygdalina leaf powder as inducer to the fermentation medium to promote the production of Cordyceps militaris EPS and studied the infrared absorption spectrum and antioxidant activities of the EPS after optimization. The optimum liquid fermentation conditions were as follows: addition of Vernonia amygdalina leaf powder of 8 g/L, fermentation duration of 9 d, initial pH of 6.5, inoculation quantity of 5.0 mL. Under such a condition, the yield of Cordyceps militaris EPS reached (5.24±0.28) mg/mL, increased by 205.20% compared to the control group without adding Vernonia amygdalina leaf powder. Results of infrared analysis and antioxidant activity showed that the Vernonia amygdalina leaves had little effect on the structure and activities of Cordyceps militaris EPS. The results of this research suggest that Vernonia amygdalina leaf can enhance the production of Cordyceps militaris EPS effectively, and provides a novel method for efficient production of EPS in Cordyceps militaris.
Antioxidants
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Cordyceps
;
Plant Leaves
;
Polysaccharides
;
Vernonia

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