1.Long-term results of the surgical treatment of penile curvature with 16-dot plication : a retrospective analysis of 86 patients
Zhong WANG ; Wenji LI ; Haijun YAO ; Jun DA ; Zhikang CAI ; Yueqing JIANG ; Mingxi XU
Chinese Journal of Urology 2014;35(12):931-935
Objective To assess the long-term surgical outcomes,patient's satisfaction and functional results of correction for patients with penile curvature by 16-dot minimal tension plication.Methods Between August 2004 and December 2010,92 patients with penile curvature underwent surgical correction of penile curvature by 16-dot minimal tension plication.Of them,86 patients (53 patients with congenital penile curvature and 33 patients with Peyronie's disease (PD)) were reached for long-term follow-up.Indications for operation included patients with 30 to 90 degrees of penile curvature,penile length greater than 10 cm and patients who had one or more symptoms,such as difficulty or inability to vaginal penetration and partner discomfort during sexual intercourse.Patients were excluded from study if they had severe penile curvature (greater than 90 degrees),hourglass deformities or large plaques.Preoperative evaluation included international index of erectile function 5 (IIEF-5) questionnaire score,pain on erection and physical examination.Patients were recommended daily low dose phosphodiesterase type 5 (PDE-5) inhibitors 2 weeks after surgery and maintained for 2 to 3 months.At follow-up,recurrence rate,complications,erectile function,patients and partner's satisfaction with the surgery were assessed.Results The mean time of follow-up was 79 months (range,35-107 months).Of 86 patients who had been reached for long-term follow up,82 patients (95.3%) and 77 partners (89.5%) reported overall satisfaction after the surgery.Complete penile straightening was achieved in 79 patients (91.8%).Slight residual curvatures were observed in 7 patients,but did not affect their sexual intercourse.Postoperative penile length shortening (median penile length loss 1.3 cm) was noted in 35 patients (40.7%),which did not affect their sexual intercourse.In addition,no de novo erectile dysfunction was observed,and sexual function was significantly improved evidenced by the IIEF-5 scores,especially in the patients who had received PDE-5 inhibitors for 2 to 3 months.There were no surgery-related complications,such as hematoma,urethral injury,or infection.Conclusion The longterm results demonstrate that correction of penile curvature using 16-dot plication is a simple and safe method to achieve cosmetic and functional satisfaction in patients with mild to moderate penile curvature.
2.Approach to the patient with empty sella combined with adrenal adenoma
Junfeng HAN ; Mingxi XU ; Fang LIU ; Yuqian BAO ; Songhua WU ; Weiping JIA
Chinese Journal of Endocrinology and Metabolism 2013;29(8):711-713
Clinical characteristics were analyzed retrospectively in a patient with empty sella and adrenal adenoma with regard to the elaborated diagnosis and treatment.Although empty sella syndrome alone was common,clinical combination with adrenal adenoma was rarely reported.It was difficult to diagnose due to complex symptoms and hormone levels.This case could help increase awareness of the disease and accumulate the experience in diagnosis and treatment.
3.Analysis and management of complications caused by holmium laser ureterolithotripsy
Mingxi XU ; Zhong WANG ; Guoqin DONG ; Mujun LU ; Ke ZHANG ; Zhikang CAI ; Yueqing JIANG ; Xiaomin RENG ; Haijun YAO ; Jun DA
International Journal of Surgery 2010;37(5):296-299
Objective To study the the causes, management and preventive measures for complications of holmium laser ureterolithotripsy. Methods Three hundred and seven cases of uteteral calculi from Jan. 2006 to Jan. 2010 were reported (203 men and 104 women, age ranged from 18-83 years,mean age 51.6 years). One hundred thirty-three patients had calculi in the lower ureter,94 in the middle part and 80in the upper ureter. Results The overall comminution rate was 89.9% (276/307 cases). sixteen cases (5.2%) were followed by ESWL due to the shift of the stones to the renal pelvis. The operation failed in 9 cases(2.9%), 3 cases(1%) had perforation,and recoveried after open operation. Deep infection was found in 3(1%)cases,which recoveried after anti-infective therapy. Conclusions Holmium laser ureterolithotripsy is an effective method for treating ureteral calculi, with advantage of high efficiacy,safety and minimal invasion. To master the operating induction, to raise operating technique and to take correct measure could reduce complications effectually.
4.Genetic algorithm application to multi-focus patterns of 256-element phased array for focused ultrasound surgery.
Feng XU ; Mingxi WAN ; Mingzhu LU
Journal of Biomedical Engineering 2008;25(5):1093-1097
The genetic optimal algorithm and sound field calculation approach for the spherical-section phased array are presented in this paper. The in-house manufactured 256-element phased array focused ultrasound surgery system is briefly described. The on-axis single focus and off-axis single focus are simulated along with the axis-symmetric six-focus patter and the axis-asymmetric four-focus pattern using a 256-element phased array and the genetic optimal algorithm and sound field calculation approach. The experimental results of the described 256-element phased array focused ultrasound surgery system acting on organic glass and phantom are also analyzed. The results of the simulations and experiments confirm the applicability of the genetic algorithm and field calculation approaches in accurately steering three dimensional foci and focus.
Algorithms
;
Computer Simulation
;
Equipment Design
;
Humans
;
Minimally Invasive Surgical Procedures
;
instrumentation
;
methods
;
Models, Biological
;
Surgery, Computer-Assisted
;
instrumentation
;
methods
;
Transducers
;
Ultrasonic Therapy
;
instrumentation
;
methods
5.Analysis of clinicopathology and plasmapheresis efficacy in patients with anti-glomerular basement membrane disease
Lijun MOU ; Limeng CHEN ; Laimeng ZUO ; Yubing WEN ; Hang LI ; Yon QIN ; Mingxi LI ; Jianling TAO ; Wenling YE ; Hong XU ; Wei YE ; Yang SUN ; Xuemei LI ; Xuewang LI
Chinese Journal of Nephrology 2011;27(4):230-235
objective To analyze the clinicopathological features and prognosis of antiglomerular basement membrane(GBM)disease,and evaluate the efficacy and safety of double filtration plasmapheresis(DFPP). Methods A total of 35 hospitalized patients diagnosed as anti-GBM disease in our department were enrolled in the study.All the patients were divided into 3 groups according to the manifestations at admission.Group Ⅰ∶24 patients with severe pulmonary hemorrhage or rapidly progressive glomerulonephritis(RPGN)received pulse methylprednisolone with or without DFPP,and then followed by prednisone and CTX.Group Ⅱ∶5 patients without severe pulmonary hemorrhage and RPGN received prednisone and CTX.Group Ⅲ∶5 ESRD patients and 1 normal renal function patient did not receive immunosuppression therapy.Anti-GBM antibody titer of pre-and post-DFPP in 4 patients was measured consecutively,and removal rate was calculated.Results The mean age of all the patients was(41.1±16.6)years.Sixteen patients(45.7%)presented Goodpasture's syndrome.Eighteen patients(51.4%)had anti-GBM glomerulonephritis alone,whereas one suffered solely from pulmonary hemorrhage.20%patients had positive P-ANCA serology.54.2%crescentic glomerulonephritis and 7 with other glomerulonephritis were revealed by kidney biopsy in 24 patients.Patients in Group Ⅰ showed more severe manifestation at admission:higher Scr level,higher titer of anit-GBM antibody,greater percentage of crescents.Within the follow-up period,7 patients died and kidneys of 50%patients survived.No patient died in Group Ⅱ and Ⅲ.The elder age,anemia,higher Scr(>300 μmol/L),oliguria or anuria,emergency hemodialysis at admission,and more glomerular sclerosis were predictors of poor prognosis.The anti-GBM antibody was negative after 4 to 6 sessions of DFPP.and the mean removal rate was 55%.During total 94 DFPP sessions,there was no unacceptable morbidity. Conclusions Different therapy strategy is necessary for anti-GBM disease with different clinical manifestations.DFPP is an effective and safe clearance way of anti-GBM antibody.
6.The positive effect of sildenafil on LUTS from BPH while treating ED.
Jun YING ; Dehong YAO ; Yueqing JIANG ; Xiaomin REN ; Mingxi XU
National Journal of Andrology 2004;10(9):681-683
OBJECTIVETo explore the possible relationship between erectile dysfunction (ED) and benign prostate hyperplasia (BPH) in men, and to assess the positive effect of Sildenafil on the lower urinary tract symptoms (LUTS) from BPH while treating ED.
METHODSThirty-two patients with ED and BPH were offered oral Sildenafil and reviewed before and six months after the administration of Sildenafil by the International Index of Erectile Function-5 (IIEF-5) and the International Prostate Symptom Score (IPSS) questionnaires. Scores were tested by chi-square.
RESULTSIIEF-5 scores were increased by 42.36% and IPSS scores declined by 20.14%, with statistical significance (P < 0.01).
CONCLUSIONTreatment of ED with Sildenafil appears to improve urinary symptom scores. A lower IPSS at baseline seems to predict a better response to Sildenafil therapy for ED.
Aged ; Erectile Dysfunction ; drug therapy ; Follow-Up Studies ; Humans ; Male ; Middle Aged ; Phosphodiesterase Inhibitors ; therapeutic use ; Piperazines ; therapeutic use ; Prostatic Hyperplasia ; complications ; Purines ; therapeutic use ; Sildenafil Citrate ; Sulfones ; therapeutic use ; Surveys and Questionnaires ; Urination Disorders ; drug therapy ; etiology
7.Differences in standardized residency training system of urology between China and America
Yucheng TAO ; Ziwei WEI ; Mingxi XU ; Wenzhi LI ; Zhong WANG
Chinese Journal of Medical Education Research 2021;20(12):1448-1452
Objective:To compare the features and advantages of the standardized residency training of urology in America and China, and to provide a reference for the improvement of the Chinese standardized residency training system.Methods:By studying the latest standardized training documents in China and the America, referring to the specific training rules of standardized training pilots (Shanghai and other cities), and the latest related researches, this article compares the differences between the Chinese and American standardized residency training systems from such five aspects as the source of urology training students, training objectives, training content, quality control and external environment, and tries to figure out the reasons for their formation.Results:There are many places in American standardized residency training system that can be referred, such as unifying the period of training system, strengthening the assessment of clinical capabilities of residents, focusing on the combination of clinical and scientific research, and improving the remuneration and practice environment of residents. At present, the quality and effectiveness of Chinese urology standardized residency training needs to be improved, especially the ability of independent diagnosis and surgical skills.Conclusion:By analyzing the differences of standardized residency training system between China and the United States, this article puts forward the following suggestions: a) to unify the educational system and establish a unified admission standard for urologists; b) to formulate a clear training goal and establish a national standardized assessment system; c) to improve the income level of urology residents, willing to establish a standardized residency training system that truly suits China's national conditions.
8.Kallistatin, a new and reliable biomarker for the diagnosis of liver cirrhosis.
Zhiyun CHENG ; Yinghui LV ; Suqiu PANG ; Ruyu BAI ; Mingxi WANG ; Shuyu LIN ; Tianwen XU ; Duncan SPALDING ; Nagy HABIB ; Ruian XU ;
Acta Pharmaceutica Sinica B 2015;5(3):194-200
Kallistatin, which protects organs and cells against inflammation, fibrosis and oxidative stress, is mainly synthesized and secreted in liver. However, its relationship to human liver disease remains unclear. The purpose of this study was to explore the relationship between serum kallistatin and clinical evidence of both cirrhosis and hepatocellular carcinoma (HCC), and to determine if serum kallistatin levels could be used as a diagnostic indicator of hepatic health status, especially human liver cirrhosis (LC). Our cohort consisted of 115 patients with clinically proven liver fibrosis (LF), LC, or HCC by liver biopsies, and 31 healthy controls (CON). Serum kallistatin levels were quantified by ELISA. Results of the present study demonstrated that irrespective of the underlying etiology, serum kallistatin levels were significantly lower in the LF/LC group when compared with the CON group. A decrease in serum kallistatin levels appeared to reflect the extent of cirrhosis, with the lowest levels associated with higher grades of cirrhosis. Patients with LC had a noticeable correlation between serum kallistatin levels and other serum biochemical indicators. The area under the curve (AUC) for LC, viral liver cirrhosis (VLC) and alcoholic liver cirrhosis (ALC) was 0.845, 0.757 and 0.931, respectively. In conclusion, our findings demonstrated that kallistatin, a plasma protein produced by the liver, can be a useful and reliable diagnostic indicator of hepatic health status, especially for LC.