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Contemporary trends in radical prostatectomy and predictors of recovery of urinary continence in men aged over 70 years:comparisons between cohorts aged over 70 and less than 70 years

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Asian Journal of Andrology 2020年第3期22卷 280-286页

作者： Young Ju lee Jin-Woo Jung sangchul lee sang wook lee Jeong Hyun Kim Sung Kyu Hong Seok-Soo Byun sang Eun lee Seong Jin Jeong Departme nt of Urology Seoul National University Bundang HospitalSeongnam 13620Korea Department of Urology Catholic Kwan dong Univerisity International St.Mary's HospitalIncheon 22711Korea Department of Urology Kangwon National University School of MedicineChuncheon 24341Korea.

We evaluated contemporary trends in radical prostatectomy(RP)in men aged>70 years and investigated associations of selected variables with recovery of urinary continence(UC)in two age groups:>70 and70 years[n=610]vs70 years gradually increased up to 30.0%,and the rate of robot-assisted RP and neurovascular bundle(NVB)saving increased continually to 80.0%and 67.4%of older patients,*** the rate of recovery of UC within 12 months(3 months)in patients aged>70 years was lower than that in those aged S70 years(81.5%[52.6%]vs 88.6%[60.9%],respectively;both P70 ***,unlike younger patients,only variables(age and MUL),possibly associated with the inhere nt fun ction of the urinary sphi ncter,were predictors of recovery of UC in patients aged>70 years.

关键词： elderly predictor prostate cancer radical prostatectomy urinary incontinence

Does prostate-specific antigen (PSA)mass or free PSA mass improve the accuracy of predicting total prostate volume in relation to obesity in men with biopsy-proven benign prostatic hyperplasia?

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Asian Journal of Andrology 2019年第1期21卷 86-91页

作者： Jin-Woo Jung young Dong Yu Young Ju lee Jung Jun Kim Hak Min lee Jong Jin Oh sangchul lee sang wook lee sang Eun lee Seong Jin Jeong Department of Urology Catholic Kwandong Univerisity International St.Mary's HospitalIncheon 22711Korea Department of Urology Seoul National University Bundang HospitalSeongnam 13620Korea Department of Urology Kangwon National University School of MedicineChuncheon 24341Korea

We evaluated whether the prostate-specific antigen (PSA)mass or free PSA (fPSA)mass (i.e.,absolute amount of total circulating PSA or fPSA protein,respectively),versus serum PSA or fPSA concentration,improves the accuracy of predicting the total prostate volume (TPV)in relation to *** men whose multicore (≥12)transrectal prostate biopsy was negative,586 who had a PSA of <10 ng ml^-1 and underwent the fPSA test prior to biopsy were *** PSA mass or fPSA mass (pg)was calculated by multiplying the serum level by plasma *** each TPV cut-off point (30 ml,40 ml,and 50 ml),the areas under the receiver operating characteristics curve (AUCs)of each variable were compared in obesity-based *** of fPSA and fPSA mass for predicting TPV were significantly larger than those for PSA and PSA mass by 8.7%-12.1%at all cut-off points. Subgroup analyses based on obesity showed that,although PSA mass and fPSA mass enhanced accuracy by 4%(P =0.031)and 1.8%(P =0.003),respectively,for determining TPVs of ≥30 ml and ≥50 ml in obese and overweight men,they did not improve the accuracy in most other combinations of the degrees of obesity with TPV cut-off ***,compared with serum PSA or fPSA,the absolute amount of PSA or fPSA protein mass improved the accuracy of predicting TPV in obese men very minimally and only for certain TPV cut-off ***,these indicators may not provide clinically meaningful improvement in predicting TPV in obese men.

关键词： benign prostatic hyperplasia obesity prostate volume prostate-specific antigen mass

Robot-assisted laparoscopic pyeloureterostomy for ureteropelvic junction rupture sustained in a traffic accident:A case report

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World Journal of Clinical Cases 2020年第22期8卷 5802-5808页

作者： Si Hyun Kim Woong Bin Kim Jae Heon Kim sang wook lee Department of Urology Soonchunhyang University Cheonan HospitalCheonan 31151South Korea Department of Urology Soonchunhyang University Bucheon HospitalBucheon 14584South Korea Department of Urology Soonchunhyang University Seoul HospitalSoonchunhyang University Medical CollegeSeoul 04401South Korea Department of Urology Soonchunhyang University Bucheon HospitalSoonchunhyang University School of MedicineBucheon 14584South Korea

BACKGROUND Ureteral reconstruction is a highly technical type of laparoscopic or open *** incidence of ureteral injury is low;however,ureteral injuries tend to be *** surgery for urinary reconstructive surgery is growing in popularity,which has made procedures such as pyeloplasty,ureteroureterostomy,and ureteroneocystostomy possible,with minimal damage to the *** the best of our knowledge,this is the first report of robot-assisted laparoscopic pyeloureterostomy in Korea,in a 17-year-old female patient with a ureteral *** SUMMARY The patient,a 17-year-old girl without previous medical history,was presented at the emergency room and complained of abdominal and back *** in the right upper quadrant was observed on physical *** in the right perirenal space was observed without abdominal organ injuries on the initial enhanced abdomen computed tomography(CT)*** injury was not suspected at this *** patient was stabilized via conservative treatment,but complained of right flank pain 3 wk later and revisited the emergency *** enhanced abdominal CT scan revealed a huge urinoma in the right perirenal space with hydronephrosis of the right *** and antegrade pyelography were *** and discontinuity of the ureter were found.A rupture of the ureteropelvic junction was diagnosed and reconstructive surgery was *** 3 mo,the patient did not complain of any symptoms without any abnormal radiologic *** This case report discusses the safety and effectiveness of this minimal invasive procedure as an alternative to conventional open or laparoscopic surgery.

关键词： Robot surgical procedure Ureteral injuries Minimal invasive surgical procedures Reconstructive surgical procedures Urology Case report

Patient-reported ejaculatory function and satisfaction in men with lower urinary tract symptoms/benign prostatic hyperplasia

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Asian Journal of Andrology 2018年第1期20卷 69-74页

作者： Min Chul Cho Jung Kwon Kim sang Hoon Song Sung Yong Cho sang wook lee Soo Woong Kim Jae-Seung Paick Department of Urology Seoul National University Boramae Medical Center Seou107061 Korea Department of Urology Seoul National University College of Medicine Seoul 03080 Korea Department of Urology Asan Medical Center Seou105505 Korea Department of Urology Kangwon National University College of Medicine Chuncheon 24289 Korea

This study aimed to investigate perceived ejaculatory function/satisfaction before treatment for lower urinary tract symptoms （LUTS）/benign prostatic hyperplasia （BPH） and to identify associations between specific categories of ejaculatory dysfunctions （EjDs） and LUTS. A total of 1574 treatment-naive men with LUTS/BPH were included in this study. All patients underwent routine evaluation for LUTS/BPH including the International Index of Erectile Function and a 5-item questionnaire developed to assess ejaculatory volume/force/pain/satisfaction/latency time. Patients who had sexual intercourse over the past 4 weeks were classified as sexually active group. A total of 783 patients were categorized as sexually active group. Decreased ejaculatory volume and force were reported by 53.4% and 55.7% of 783 sexually active men, respectively, There was a strong correlation between ejaculatory volume and force. Ejaculatory pain/discomfort, premature ejaculation （PE）, and delayed ejaculation （DE） were reported in 41,0%, 16.3%, and 41.4% of the patients, respectively. Over 40.0% of men without decreased ejaculation volume/force were satisfied with ejaculatory function, whereas approximately 6.0% of men with decreased volume/force were satisfied with ejaculatory function. About 30.0% of men with decreased volume/force had orgasmic dysfunction, while approximately 10.0% of men without decreased volume/force did. Decreased ejaculatory volume or force was associated with LUTS severity after adjusting for other influential factors including testosterone level, erectile function, and prostate size on ultrasonography, but PE or DE or ejaculatory pain/discomfort was not. In conclusion, a considerable portion of men with LUTS/BPH appear to have a variety of EjDs. Ejaculatory volume/force and satisfaction/orgasm do not always appear to be concordant. Ejaculatory volume or force is independently associated with LUTS severity, whereas PE or DE or ejaculatory pain/discomfort is not.

关键词： dysfunction ejaculation lower urinary tract symptoms (LUTS) satisfaction

Development and validation of a clinical nomogram predicting bladder outlet obstruction via routine clinical parameters in men with refractory nonneurogenic lower urinary tract symptoms

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Asian Journal of Andrology 2019年第5期21卷 486-492页

作者： Young Ju lee Jung Keun lee Jung Jun Kim Hak Min lee Jong Jin Oh sangchul lee sang wook lee Jeong Hyun Kim Seong Jin Jeong Department of Urology Seoul National University Bundang HospitalSeongnam 13620Korea Department of Urology Kangwon National University School of MedicineChuncheon 24341Korea

We aimed to develop and validate a clinical nomogram predicting bladder outlet obstruction(BOO)solely using routine clinical parameters in men with refractory nonneurogenic lower urinary tract symptoms(LUTS).A total of 750 eligible patient ≥50 years of age who had previously not responded(International Prostate Symptom Score[IPSS]improvement2 cmH20 ml^-1 s^-1.A stepwise multivariable logistic regression analysis was conducted to determine the predictors of BOO,and^-coefficients of the final model were selected to create a clinical *** final multivariable logistic regression model showed that age,IPSS,maximum urinary flow rate,postvoid residual volume,total prostate volume,and transitional zone index were significant for predicting BOO;these candidates were used to develop the final *** discrimination performance of the nomogram was 88.3%(95%Cl:82.7%-93.0%,P<0.001),and the nomogram was reasonably we 11-fitted to the ideal line of the calibration *** nt split-sample validation revealed 80.9%(95%Cl:75.5%-84.4%,P<0.001)*** proposed BOO nomogram based solely on routine clinical parameters was accurate and validated *** nomogram may be useful in determining further treatment,primarily focused on prostatic surgery for BOO,without impeding the detection of possible BOO in men with LUTS that is refractory to empirical medications.

关键词： benign prostatic hyperplasia bladder outlet obstruction lower urinary tract symptoms no mogram urodynamics

Simultaneous robot-assisted approach in a super-elderly patient with urothelial carcinoma and synchronous contralateral renal cell carcinoma:A case report

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World Journal of Clinical Cases 2022年第20期10卷 7153-7162页

作者： Ji Kang Yun Si Hyun Kim Woong Bin Kim Hee Kyung Kim sang wook lee Department of Urology Soonchunhyang University Bucheon HospitalSoonchunhyang University College of MedicineBucheon 14584South Korea Department of Urology Soonchunhyang University Cheonan HospitalSoonchunhyang University College of MedicineCheonan 31151South Korea Department of Pathology Soonchunhyang University Bucheon HospitalSoonchunhyang University College of MedicineBucheon 14584South Korea

BACKGROUND It is rare for urothelial and renal cell carcinomas to coexist in the same patient,and even rarer for them to be detected *** of this rarity,a standard treatment has not been established and studies about overall survival are ***,physicians must modify treatments according to the individual’s situation and the stage of each *** recent years,with advances in the instruments and techniques,minimal invasive robotic surgeries have become available for advanced-stage or high-risk *** SUMMARY An 85-year-old woman with a medical history of hypertension and hyperlipidemia visited our *** had visited her local hospital complaining of intermittent,painless,gross hematuria that had started 3 mo *** computed tomography,a right renal mass and left proximal ureteral mass with hydronephrosis were found *** decided to perform robot-assisted surgery on both sides during one *** renal function and kidney loading,right partial nephrectomy was performed first,followed by left nephroureterectomy with bladder cuff *** the 6-mo follow-up,no specific symptoms were reported and dialysis was not *** were no unusual findings in the imaging study,and regular follow-up and imaging studies are *** This case report assessed the feasibility of simultaneous minimal invasive robotic surgery as an alternative to conventional open or laparoscopic surgery.

关键词： Robot surgical procedure Renal cell carcinoma Transitional cell carcinoma Minimally invasive surgical procedures Case report

Solar‑Driven Sustainability:Ⅲ–ⅤSemiconductor for Green Energy Production Technologies

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Nano-Micro Letters 2024年第11期16卷 445-478页

作者： Chandran Bagavath Jeong‑Kyun Oh sang‑wook lee Dae‑Young Um Sung‑Un Kim Veeramuthu Vignesh Jin‑Seo Park Shuo Han Cheul‑Ro lee Yong‑Ho Ra Division of Advanced Materials Engineering Engineering CollegeResearch Center for Advanced Materials Development(RCAMD)Jeonbuk National UniversityJeonju 54896Republic of Korea

Long-term societal prosperity depends on addressing the world’s energy and environmental problems,and photocatalysis has emerged as a viable *** the efficiency of photocatalytic processes is fundamentally achieved by optimizing the effective utilization of solar energy and enhancing the efficient separation of photogenerated *** has been demonstrated that the fabrication ofⅢ–Ⅴsemiconductor-based photocatalysts is effective in increasing solar light absorption,long-term stability,large-scale production and promoting charge *** focused review explores on the current developments inⅢ–Ⅴsemiconductor materials for solar-powered photocatalytic *** review explores on various subjects,including the advancement ofⅢ–Ⅴsemiconductors,photocatalytic mechanisms,and their uses in H2 conversion,CO_(2)reduction,environmental remediation,and photocatalytic oxidation and reduction *** order to design heterostructures,the review delves into basic concepts including solar light absorption and effective charge *** also highlights significant advancements in green energy systems for water splitting,emphasizing the significance of establishing eco-friendly systems for CO_(2)reduction and hydrogen *** main purpose is to produce hydrogen through sustainable and ecologically friendly energy *** review intends to foster the development of greener and more sustainable energy source by encouraging researchers and developers to focus on practical applications and advancements in solar-powered photocatalysis.

关键词： Green energy system Hydrogen evolution CO_(2)reduction Ⅲ-Ⅴsemiconductors Photo electrochemical water splitting

Numerical Estimation of the Uneven Wear of Passenger Car Tires

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World Journal of Engineering and Technology 2018年第4期6卷 780-793页

作者： sang wook lee Kyoung Moon Jeong Kee Woon Kim Jang Hyeon Kim R&D Center Kumho Tire Co. Inc. Yongin South Korea

Tire wear is a very complicated phenomenon that is influenced by various factors such as tire material, structure, vehicle and road conditions. In order to evaluate tire wear, a method for measuring tire wear using the intensity of reflected light was presented?[1]. It comprises applying a single layer of reflected paint to a tread surface by spraying, and then measuring the intensity of light reflected from a matrix of blocks on the unworn tire. In this paper, a numerical technique for predicting the uneven wear of passenger car tire is presented. The uneven tire wear produced in wheel alignment condition with vehicle speed, camber angle, and toe angle is predicted by the frictional dynamic rolling analysis of 3D patterned tire model. The proposed numerical technique is illustrated through the method of paint testing the wear on the tread surface of a tire.

关键词： Tire Uneven Wear Finite Element Analysis Frictional Energy

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Journal of Central South University 2012年第4期19卷 1032-1039页

作者： PARK wook-je lee sang-min lee sang-hyuk Institute for Information and Electronics Research Inha University Department of Electrical and Electronic Engineering Xi'an Jiaotong-Liverpool University

Similarity measure construction has been proposed as fault detection of flight test method in order to obtain the primary control surface stuck and the combination stuck of primary *** measures were obtained through analyzing the certainty and uncertainty of fuzzy membership functions,which were designed based on well-known Hamming *** was applied to the fault detection of primary control surface stuck of uninhabited aerial vehicle(UAV).At post-failure control surface,if the UAV is controllable and trimmable using other control surfaces,the UAV is able to fly or return to the safety region through reconfiguration of flight control *** detect the fault,similarity measure computations were carried *** result could be applicable with the real-time parameter estimation *** monitoring the value of coefficients due to the control surface deviation,it becomes aware that the control surface fault occurs or *** control surface stuck position and value were separated by comparing the trim value with the reference *** is the advantage of increasing in reliability without adding sensors or with additional low cost.

关键词： similarity measure fault detection and isolation real-time parameter estimation control surface stuck