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Comparison of the clinical efficacy of medical treatment of symptomatic benign prostatic hyperplasia between normal and obese patients

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Asian Journal of Andrology 2011年第5期13卷 728-731页

作者： Seung Hwan Lee Cheol Young Oh Kyung Kgi Park Mutt su Chung Se jeong Yoo Byung Ha Chung Department of Urology Yonsei University Health System Seoul Korea Department of Urology Hallym University Anyang 431-070 Chuncheon

We aimed to investigate the difference in efficacy of medical treatment of symptomatic benign prostatic hyperplasia （BPH） between normal and obese patients with BPH; obesity was determined by either body mass index （BMI） or waist circumference （WC）. In this 12-week prospective observational study, a total of 175 patients aged ≥40 years with International Prostate Symptom Scores （IPSS） ≥12 points and prostate volume≥20 ml were prospectively enrolled. The patients were divided into two groups according to BMI or WC. Patients received the doxazosin gastrointestinal therapeutic system （GITS） at a dose of 4 mg once per day for 12 weeks. The changes from baseline in the IPSS, maximal urinary flow rate （Qmax）, post-void residual volume, quality of life （QoL） scores and adverse events （AEs） were analysed. Of the 175 enrolled patients, 132 completed the study. Sixty-seven patients had BMI 〉23 kg m-2, and 43 had WC 〉90 cm. Obese patients represented by WC 〉90 cm or BMI≥ 23 kg m-2 had a significantly greater prostate volume compared with non-obese patients at baseline. Total IPSS was significantly higher in the WC 〉90 cm group compared to the WC ≤ 90 cm group. Total I PSS was positively correlated with prostate volume （P=-0.031） and WC （P=0.045）. All groups showed significant improvements in total IPSS and QoL at 12 weeks. However, the improvement of total IPSS was greater in the high-BMI and high-WC groups. The most frequent AE was dizziness （n= 13）, and it was significantly lower in the obese BPH patients. Obesity was associated with increased prostate volume and lower urinary tract symptoms. Alpha-blockers appear to be efficacious for controlling symptoms, especially in obese men.

关键词： Alpha-blocker benign prostatic hyperplasia body mass index prostate waist circumference

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Sexual function and psychological characteristics ofpenile paraffinoma

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Asian Journal of Andrology 2003年第3期5卷 191-194页

作者： Du Geon Moon jeong Woo Yoo Jae Hyun Bae Chang su Han Yong Ku Kim Je Jong Kim Department of Urology Korea University College of Medicine Seoul 136705 KoreaDepartment of Urology Korea University College of Medicine Seoul 136705 KoreaDepartment of Urology Korea University College of Medicine Seoul 136705 KoreaDepartment of Psychiatry Korea University College of Medicine Seoul 136705 KoreaDepartment of Psychiatry Korea University College of Medicine Seoul 136705 KoreaDepartment of Urology Korea University College of Medicine Seoul 136705 Korea

Aim: To identify the sexual, emotional and psychological status of men who augmented their penis with mineral oil injection for their small penis. Methods: Men who had penile paraffin were asked to answer the semi-structured questionnaire. The questionnaire was designed to assess the motivation, method of penile injection, changes in erectile function and satisfaction after penile injection. SCL (Symptom checklist)-90-R, STAI (State and Trait Anxiety Inventory) and Zung SDS (Self-rating depression scale) were also included in the questionnaire for psychological evaluation. Results: A total of 357 men completed the questionnaire. The first-ranked motivation of the injection was recommendation by their acquaintances (48.9 %). The majority of the respondents had the procedure by non-medical person (78.0 %). Before injection, 17.2 % had a sense of inferiority in their penis and 32 % worried about their weak erectile function. After injection, 33.0 % have found relief from their sense of inferiority and 17.8 % wish to feel improvement in their erectile function. Most of the respondents (91 %) were not satisfied with their penis and 74 % of them replied that they want to remove the injected material. Only 15.6 % did not experience side effects. Most of the subjects have suffered from various side effects such as inflammation, skin necrosis, pain, etc. No evidence of psychiatric pathology was found in psychological evaluation. Conclusion: The motivations of mineral oil injection were recommendation by their acquaintances or desire to be more mannish. Most of them had suffered from various side effects and only a small number of them felt improvement in their sense of inferiority, in their penis and erectile function. Increased public awareness is needed for the prevention of this physically and psychologically debilitating problem.

关键词： paraffinoma penis augmentation psychology

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Hepatocellular carcinoma,decompensation,and mortality based on hepatitis C treatment:A prospective cohort study

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World Journal of Gastroenterology 2022年第30期28卷 4182-4200页

作者： Gwang hyeon Choi Eun sun Jang Young Seok Kim Youn Jae Lee In Hee Kim sung Bum Cho Han Chu Lee jeong Won Jang Moran Ki Hwa Young Choi Dahye Baik Sook-Hyang jeong Department of Internal Medicine Seoul National University Bundang HospitalSeoul National University College of MedicineSeongnam 13620South Korea Department of Internal Medicine Soonchunhyang University Bucheon HospitalBucheon 14584South Korea Department of Internal Medicine Inje University Busan Paik HospitalBusan 47392South Korea Department of Internal Medicine Chonbuk National University HospitalJeonju 54907JeonbukSouth Korea Department of Internal Medicine Chonnam National University Hwasun HospitalHwasun 58128South Korea Department of Gastroenterology Asan Medical CenterUniversity of Ulsan College of MedicineSeoul 05505South Korea Department of Internal Medicine The Catholic University of KoreaSeoul 06591South Korea Cancer Control and Population Health Graduate School of Cancer Science and PolicyNational Cancer CenterGoyang 10408South Korea

BACKGROUND Prospective studies of the long-term outcomes of patients with hepatitis C virus(HCV)infection after treatment with interferon-based therapy(IBT)or directacting antivirals(DAA)are limited in many Asian *** To elucidate the incidences of hepatocellular carcinoma(HCC)and death/transplantation based on treatment with IBT or DAA,to compare the outcomes of the sustained virologic response(SVR)to IBT and DAA,and to investigate outcome-determining factors after *** This cohort included 2054 viremic patients(mean age,57 years;46.5%male;27.4%with cirrhosis)prospectively enrolled at seven hospitals between 2007 and *** were classified as the untreated group(n=619),IBT group(n=578),and DAA group(n=857).Outcomes included the incidences of HCC and death/*** incidences of the outcomes for each group according to treatment were calculated using an exact method based on the Poisson distribution.A multivariate Cox regression analysis was performed to determine the factors associated with HCC or death/transplantation,followed by propensity score matching to confirm the *** During a median of 4.1 years of follow-up,HCC and death/transplantation occurred in 113 and 206 patients,respectively,in the entire *** with the untreated group,the incidences of HCC and death/transplantation were significantly lower in the IBT group[adjusted hazard ratio(aHR)0.47,95%CI:0.28-0.80 and aHR 0.28,95%CI:0.18-0.43,respectively]and the DAA group(aHR 0.58,95%CI:0.35-0.96,and aHR 0.19,95%CI:0.20-0.68,respectively).Among 1268 patients who attained SVR with IBT(n=451)or DAA(n=816),the multivariable-adjusted analysis showed no differences in the risks of HCC(HR 2.03;95%CI:0.76-5.43)and death/transplantation(HR 1.38;95%CI:0.55-3.49)between the two *** was confirmed by a propensity score-matching *** factors for HCC after SVR were age,genotype 1,and the presence of *** Treatment and achieving SVR

关键词： Hepatitis C virus Direct-acting antiviral sustained virologic response Hepatocellular carcinoma Mortality

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Invariant operator theory for the single-photon energy in time-varying media

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Chinese Physics B 2010年第1期19卷 56-60页

作者： Choi jeong-Ryeol School of Electrical Engineering and Computer Science Kyungpook National University

After the birth of quantum mechanics, the notion in physics that the frequency of light is the only factor that determines the energy of a single photon has played a fundamental role. However, under the assumption that the theory of Lewis-Riesenfeld invariants is applicable in quantum optics, it is shown in the present work that this widely accepted notion is valid only for light described by a time-independent Hamiltonian, i.e., for light in media satisfying the conditions, ε（t） = ε（0）, u（t） = u（0）, and σ（t） = 0 simultaneously. The use of the Lewis Riesenfeld invariant operator method in quantum optics leads to a marvelous result： the energy of a single photon propagating through time-varying linear media exhibits nontrivial time dependence without a change of frequency.

关键词： single-photon energy invariant operator theory time-varying media

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surface functionalization of single-walled carbon nanotubes using metal nanoparticles

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中国有色金属学会会刊：英文版 2009年第4期19卷 1009-1012页

作者： Goo-Hwan jeong Department of Advanced Materials Science and Engineering Kangwon National University

surface functionalization of suspended single-walled carbon nanotubes(SWNTs) using metal(Au) nanoparticles(NPs) is *** are grown on three-dimensionally patterned substrates by thermal chemical vapor deposition and successfully functionalized with Au *** is mainly used to functionalize SWNTs surface with amino groups before introducing Au *** Raman scattering spectroscopy of the Au-functionalized suspended SWNTs,enhanced Raman scattering properties are *** results suggest that the attached Au NPs may contribute to the enhancement of resonant *** measuring the electric properties after each functionalization process,it is found that Au NPs act as electron acceptor to the amine functionalized SWNTs.

关键词：金属纳米粒子单壁碳纳米管功能化表面拉曼散射光谱 SWNTs 沉积基底化学气相

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Bon Appetit! An Investigation About the Best and Worst Color Combinations of Lighting and Food

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Journal of Literature and Art Studies 2012年第5期2卷 559-566页

作者： hyeon-jeong suk Geun-Ly Park Yoonsook Kim KAIST (Korea Advanced Institute of Science and Technology) Daejeon Republic of Korea Korea Food Research Institute Seongnam Republic of Korea

We investigated an interaction effect between lighting color and food color that stimulates or discourages one＇s appetite. Facilitated by the LED （light-emitting diode） as an additional chromatic lighting source, observers selected the best and worst lighting colors by themselves using a ＂Mini Living Colors （PhilipsTM）＂ in the preliminary test （N = 30） and then color picker software in the main experiment （N = 30）. Food stimuli were composed of two aspects, type--natural or processed--and complexity--low or high, and consequently they were grouped into four categories. We measured the selected lighting color in terms of chromaticity and illumination level, and analyzed the best and worst combinations based on these measurements. Throughout the two empirical studies, we found three tendencies： First, except for the white, yellow lighting stimulates while red and blue discourages one＇s appetite. Second, when color categories of lighting and food are similar to each other, it stimulates the appetite whereas complementary, it discourages it. Third, the type of food does not act as an influencing factor.

关键词： food color lighting color appetite color

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A novel electrospinning method for self-assembled tree-like fibrous scaffolds:Microenvironment-associated regulation of MSC behavior and bone regeneration

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Journal of Materials Science & Technology 2022年第20期115卷 52-70页

作者： jeong In Kim Ju Yeon Kim sung-Ho Kook jeong-Chae Lee Cluster for Craniofacial Development and Regeneration Research Institute of Oral Biosciences and School of DentistryJeonbuk National UniversityJeonju 54896Republic of Korea Department of Bionanosystem Engineering Jeonbuk National UniversityJeonju 54896Republic of Korea Department of Bioactive Material Sciences Research Center of Bioactive MaterialsJeonbuk National UniversityJeonju 54896Republic of Korea

Numerous studies highlight advantages of electrospun scaffolds in bone tissue engineering,in which cellular behavior is tightly affected by fiber topographical cues of ***,the classic electrospinning setup limits a desired presentation of biomimetic fibrous microenvironments that sense mechanosignaling and regulate stem cell *** aims of this study were to fabricate advanced asspun scaffolds presenting tree-like microfiber/nanonet networks and to evaluate their regulatory potentials on behavior of human mesenchymal stem cells(h MSCs)and bone *** we developed a novel electrospinning setup that allowed the presentation of patterned Trunk microfibers(TMF)and/or branched nanonet fibers(BNn Fs)in biomimetic fibrous *** the cellular mechanisms,anisotropichierarchical topography of TMF controlled behavior of h MSCs through focal adhesion formation and Yesassociated protein(YAP)induction,whereas BNn F disturbed such mechanosensing responses in the *** fiber microenvironment-related expression and nuclear localization of YAP *** correlated with the potentials of as-spun scaffolds to enhance osteogenic differentiation of the h MSCs and alveolar bone defect healing in an animal ***,this study provides an advanced approach of the modified electrospinning setup for presentation of biomimetic fibrillar microenvironments in as-spun scaffolds along with their application in stem cell behavior regulation and regenerative tissue engineering.

关键词： Electrospinning Advanced biomimetic scaffolds Stem cell behavior Mechanosensing Bone tissue engineering

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Indeterminate pulmonary nodules in colorectal cancer

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World Journal of Gastroenterology 2015年第10期21卷 2967-2972页

作者： Eun-Joo Jung su-Ran Kim Chun-Geun Ryu Jin Hee Paik jeong Geun Yi Dae-Yong Hwang Department of surgery Colorectal Cancer Center Konkuk University Medical Center Konkuk University School of Medicine Department of Radiology Konkuk University Medical Center Konkuk University School of Medicine

AIM:To investigate the clinicopathologic parameters of pulmonary metastasis in colorectal cancer(CRC) patients after lung operation of indeterminate pulmonary nodules(IPNs).METHODS:From a prospective database of CRCpatients,40 cases that underwent lung operation between November 2008 and December 2012 for suspicious metastatic pulmonary nodules on chest computed tomography(CT)were *** decision to perform a lung operation was made if the patient met the following criteria:(1)completely resected or resectable primary CRC;(2)completely resectable IPNs;(3)controlled or controllable extrapulmonary metastasis;and(4)adequate general condition and pulmonary function to tolerate pulmonary *** operation was performed by a thoracic surgeon without CT-guided biopsy for pathologic ***:A total of 40 cases of lung resection was performed in 29 *** patients underwent repeated lung *** final pathology result showed metastasis from the CRC in 30 cases(75%)and benign pathology in 10 cases(25%).The primary tumor site was the rectum in 26/30(86.6%)cases with pulmonary metastasis,but only 3/10(30%)cases in the benign group had a primary rectal cancer(P=0.001).Positron emission tomography(PET)-CT was performed for 22/30(73.4%)patients in the lung metastasis group and for 6/10(60.0%)patients in the benign ***-CT revealed hot uptake of18fluorine 2-fluoro-2-deoxy-D-glucose with all IPNs in both *** group with pulmonary metastasis had a higher incidence of primary rectal cancer(P=0.001),a more advanced tumor stage(P=0.011),and more frequent lymphatic invasion of tumor cells(P=0.005).Six cases with previous liver metastasectomy were present in the lung metastasis *** carcinoembryonic antigen levels before lung operation were not elevated in any of the ***:The stage and location of the primary tumor and tumor cell infiltration of lymphatics provide useful indicators for deciding on lung resection of IP

关键词： Colorectal neoplasm Lung neoplasm Indeterminate pu

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Totally laparoscopic total gastrectomy using the modified overlap method and conventional open total gastrectomy:A comparative study

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World Journal of Gastroenterology 2021年第18期27卷 2193-2204页

作者： Chang Seok Ko Nam Ryong Choi Byung Sik Kim jeong Hwan Yook Min-Ju Kim Beom su Kim Department of surgery Asan Medical CenterUniversity of Ulsan College of MedicineSeoul 05505South Korea Department of Clinical Epidemiology and Biostatistics Asan Medical CenterUniversity of Ulsan College of MedicineSeoul 05505South Korea

BACKGROUND Although several methods of totally laparoscopic total gastrectomy(TLTG)have been *** best anastomosis technique for LTG has not been *** To investigate the effectiveness and surgical outcomes of TLTG using the modified overlap method compared with open total gastrectomy(OTG)using the circular stapled *** We performed 151 and 131 surgeries using TLTG with the modified overlap method and OTG for gastric cancer between March 2012 and December *** and oncological outcomes were compared between groups using propensity score *** addition,we analyzed the risk factors associated with postoperative *** Patients who underwent TLTG were discharged earlier than those who underwent OTG[TLTG(9.62±5.32)vs OTG(13.51±10.67),Psurvival between *** analysis demonstrated that body mass index[odds ratio(OR),1.824;95%confidence interval(CI):1.029-3.234,P=0.040]and American Society of Anaesthesiologists(ASA)score(OR,3.154;95%CI:1.084-9.174,P=0.035)were independent risk factors of early ***,age was associated with≥3 Clavien-Dindo classification and EJrelated *** Although TLTG with the modified overlap method showed similar complication rate and oncological outcome with OTG,it yields lower pain score,earlier bowel recovery,and *** should perform total gastrectomy cautiously and delicately in patients with obesity,high ASA scores,and older ages.

关键词： Laparoscopic surgery Gastrectomy Anastomosis Stomach neoplasms Totally laparoscopic total gastrectomy

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Shot Noise suppression in a Quantum Point Contact with Short Channel Length

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Chinese Physics Letters 2015年第7期32卷 164-167页

作者： jeong Heejun Department of Applied Physics Hanyang University

An experimental study on the current shot noise of a quantum point contact with short channel length is reported. The experimentally measured maximum energy level spacing between the ground and the first excited state of the device reached up to 7.5meV, probably due to the hard wall confinement by using shallow electron gas and sharp point contact geometry. The two-dimensionM non-equilibrium shot noise contour map shows noise suppression characteristics in a wide range of bias voltage. Fano factor analysis indicates spin-polarized transport through a short quantum point contact.

关键词： length Shot Noise suppression in a Quantum Point Contact with Short Channel Length

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