Full Text Journal Articles by
Author Kyungtae Ko

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Functional Evaluation of Upper Urinary Tract with Diuretic Mercaptoacetyltriglycine Renal Scans in Patients with Benign Prostatic Obstruction before and after Surgical Intervention: A Pilot Study.

Sung Yong Cho, Kyungtae Ko, Kyo Chul Koo, Hyung Joon Kim, Woo Jin Bang, Min Soo Choo, Sang Hyub Lee, Young Eun Yoon, Wonho Jung, Jae Young Choi, Dong Sup Lee, ,

<h4>Introduction</h4>We investigated which benign prostatic hyperplasia-related lower urinary parameters are related to upper urinary tract obstruction and whether transurethral prostatectomy could improve upper urinary tract obstruction.<h4>Materials and methods</h4>Patients with prostate size over 30 g and urodynamically proven bladder outlet obstruction were enrolled in this prospective observational study. Bladder wall thickness and ... Read more >>

Biomed Res Int (BioMed research international)
[2020, 2020:4605683]

Cited: 0 times

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Comparison of Clinical Outcomes between Hyaluronic and Polylactic Acid Filler Injections for Penile Augmentation in Men Reporting a Small Penis: A Multicenter, Patient-Blinded/Evaluator-Blinded, Non-Inferiority, Randomized Comparative Trial with 18 Months of Follow-up.

Dae Yul Yang, Hyun Cheol Jeong, Kyungtae Ko, Seong Ho Lee, Young Goo Lee, Won Ki Lee,

Although several types of penile augmentation (PA) fillers have been recently introduced, no long-term follow-up studies have compared them. This study aimed to compare the long-term clinical outcomes of hyaluronic acid (HA) and polylactic acid (PLA) filler injections for PA. Our multicenter, patient-blinded/evaluator-blinded, randomized comparative trial was performed for 18 ... Read more >>

J Clin Med (Journal of clinical medicine)
[2020, 9(4):]

Cited: 1 time

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Temporary Renal Artery Clamping With Hemostatic Materials in Diffuse Type of Spontaneous Renal Allograft Rupture: A Case Report.

Kyungjai Ko, Hyun Cheol Jeong, Hee Jung Jeon, Kyungtae Ko, Samuel Lee,

<h4>Background</h4>Several surgical strategies have been introduced for spontaneous kidney rupture. Herein, we report on a case in which temporary artery clamping with hemostatic materials was performed.<h4>Case presentation</h4>A 52-year-old man underwent renal transplant from a living donor (his 20-year-old son). Spontaneous allograft rupture occurred 6 days after transplant. He developed severe ... Read more >>

Transplant Proc (Transplantation proceedings)
[2019, 51(8):2845-2847]

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Effect of tadalafil 5 mg on post-micturition dribble in men with lower urinary tract symptoms: a multicentre, double-blind, randomized, placebo-controlled trial.

Dae Yul Yang, Hyun Cheol Jeong, Kyungtae Ko, Seong Ho Lee, Sang Kon Lee, Tae Young Shin, Jin Seon Cho, Won Ki Lee,

<h4>Objectives</h4>To compare the effects of taking tadalafil 5 mg and placebo once daily on post-micturition dribble (PMD) in men with lower urinary tract symptoms (LUTS).<h4>Patients and methods</h4>Our prospective, randomized, double-blind, placebo-controlled, multicentre trial enrolled 102 men with PMD and other LUTS. PMD was assessed using the Hallym Post-Micturition Dribble Questionnaire (HPMDQ) ... Read more >>

BJU Int (BJU international)
[2019, 124(5):862-869]

Cited: 1 time

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A Comparison of the Efficacy and Safety Between Hyaluronic Acid and Polylactic Acid Filler Injection in Penile Augmentation: A Multicenter, Patient/Evaluator-Blinded, Randomized Trial.

Dae Yul Yang, Kyungtae Ko, Seong Ho Lee, Won Ki Lee,

BACKGROUND:Studies about the clinical utility of fillers on penile augmentation (PA) are lacking. Furthermore, no randomized study has compared the utilities of fillers. AIM:To compare the efficacy and safety between hyaluronic acid (HA) and polylactic acid (PLA) filler injection for PA. METHODS:This prospective, randomized patient/evaluator-blind, comparative multicenter study consisted of ... Read more >>

J Sex Med (The journal of sexual medicine)
[2019, 16(4):577-585]

Cited: 2 times

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Is A Combination of Antibiotics and Non-Steroidal Anti-Inflammatory Drugs More Beneficial Than Antibiotic Monotherapy For The Treatment of Female Acute Uncomplicated Cystitis? A Randomized Controlled Pilot Study.

Kyungtae Ko, Won Ki Lee, Cheol Young Oh, Seong Ho Lee, Sung Tae Cho, Woo Jin Bang, Tae Young Shin, Min Soo Choo, Jin Seon Cho, Young Goo Lee, Dae Yul Yang,

Purpose: To compare the efficacy of non-steroidal anti-inflammatory drugs (NSAIDs) combination therapy to single-agent antibiotic therapy for the resolution of symptoms during two restricted activity days in patients with acute uncomplicated cystitis (AUC)Materials and Methods: We performed a prospective, randomized control pilot study. A total of 55 patients were enrolled. ... Read more >>

Urol J (Urology journal)
[2018, 15(6):365-369]

Cited: 1 time

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Effect of udenafil administration on postmicturition dribbling in men: a prospective, multicenter, double-blind, placebo-controlled, randomized clinical study.

Kyungtae Ko, Won Ki Lee, Sung Tae Cho, Young Gu Lee, Tae Young Shin, Min Soo Choo, Jun Hyun Han, Seong Ho Lee, Cheol Young Oh, Jin Seon Cho, Hyun Cheol Jeong, Dae Yul Yang,

<h4>Purpose</h4>Postmicturition dribbling (PMD) is a stressful symptom in middle-aged men characterized by urinary leakage after the completion of normal voiding. Appropriate treatments have not yet been introduced. This study assessed the efficacy of treatment of PMD with 75 mg udenafil daily.<h4>Materials and methods</h4>The study included 138 men with regular sexual lifestyles. ... Read more >>

Aging Male (The aging male : the official journal of the International Society for the Study of the Aging Male)
[2020, 23(5):571-578]

Cited: 1 time

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Postmicturition Dribble Is Associated with Erectile Dysfunction in Middle-Aged and Older Men with Lower Urinary Tract Symptoms.

Dae Yul Yang, Kyungtae Ko, Seong Ho Lee, Jin Seon Cho, Sang Kon Lee, Tae Young Shin, Won Ki Lee,

<h4>Purpose</h4>Lower urinary tract symptoms (LUTS) are correlated with erectile dysfunction (ED), but research on whether postmicturition dribble (PMD) is related to ED is limited. We assessed the correlation between PMD and ED in middle-aged and older Korean men with LUTS.<h4>Materials and methods</h4>In our prospective, cross-sectional, observational, multicenter study, we enrolled ... Read more >>

World J Mens Health (The world journal of men's health)
[2018, 36(3):263-270]

Cited: 3 times

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AB045. Post-micturition dribbling is associated with erectile dysfunction in middle-aged men with lower urinary tract symptoms

Won Ki Lee, Kyungtae Ko, Dae Yul Yang,

<h4>Background</h4> Post-micturition dribbling (PMD) is one of the most bothersome lower urinary tract symptoms (LUTS) in men. Researches on the PMD are very limited because no proper tool to evaluate PMD. This study was to assess the correlation between PMD and erectile dysfunction (ED) in middle-aged men with LUTS. <h4>Methods</h4> ... Read more >>

Transl Androl Urol (Translational andrology and urology)
[2017, 6(Suppl 3):]

Cited: 0 times

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Significance of Ki-67 in non-muscle invasive bladder cancer patients: a systematic review and meta-analysis.

Kyungtae Ko, Chang Wook Jeong, Cheol Kwak, Hyeon Hoe Kim, Ja Hyeon Ku,

<h4>Purpose</h4>This meta-analysis evaluated the prognostic significance of Ki-67 in non-muscle invasive bladder cancer (NMIBC).<h4>Materials and methods</h4>We selected 39 articles including 5,229 patients from Embase, Scopus, and PubMed searches. The primary outcomes, recurrence-free survival (RFS), progression-free survival (PFS), disease-specific survival (DSS), and overall survival (OS) were determined using time-to event hazard ... Read more >>

Oncotarget (Oncotarget)
[2017, 8(59):100614-100630]

Cited: 5 times

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Prognostic Significance of Blood Type A in Patients with Renal Cell Carcinoma.

Kyungtae Ko, Young Hyun Park, Chang Wook Jeong, Ja Hyeon Ku, Hyeon Hoe Kim, Cheol Kwak,

<h4>Purpose</h4>In this study, we evaluated the prognostic significance of the ABO blood type in patients with renal cell carcinoma (RCC) who had undergone partial or radical nephrectomy.<h4>Materials and methods</h4>Information on the ABO blood type was obtained from 1750 patients with RCC. A total of 1243 men and 507 women (mean ... Read more >>

Urol J (Urology journal)
[2016, 13(4):2765-2772]

Cited: 3 times

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AB026. Relationship between post-voided dribbling and erectile dysfunction in men with lower urinary tract symptoms

Dae Yul Yang, Kyungtae Ko, Won Ki Lee, Seong Ho Lee,

<h4>Background</h4> Post voided dribbling (PVD) in men is the symptom of experiencing involuntary loss of urine immediately after a person has finished passing urine, usually after leaving the toilet which distinguished from terminal dribbling. Researches on the PVD are very limited because no proper tool to evaluate PVD. This study ... Read more >>

Transl Androl Urol (Translational andrology and urology)
[2016, 5(Suppl 1):]

Cited: 0 times

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Alcohol, Smoking, Physical Activity, Protein, and Lower Urinary Tract Symptoms: Prospective Longitudinal Cohort.

Min Soo Choo, Jun Hyun Han, Tae Young Shin, Kyungtae Ko, Won Ki Lee, Sung Tae Cho, Sang Kon Lee, Seong Ho Lee,

<h4>Purpose</h4>To evaluate risk factors for deterioration of lower urinary tract symptoms (LUTS) in elderly men in a community-based, prospective longitudinal cohort study.<h4>Methods</h4>In a suburban area in Korea, 1,514 subjects aged ≥45 years were randomly selected by systematic sampling. A total of 918 elderly subjects were enrolled in this in-depth clinical ... Read more >>

Int Neurourol J (International neurourology journal)
[2015, 19(3):197-206]

Cited: 9 times

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Can estimated intravaginal ejaculatory latency time be used interchangeably with stopwatch-measured intravaginal ejaculatory latency time for the diagnosis of lifelong premature ejaculation?

Won Ki Lee, Sung Tae Cho, Yong Seong Lee, Young Goo Lee, Cheol Young Oh, Changhee Yoo, Jin Seon Cho, Tae Young Shin, Sang Kon Lee, Seong Ho Lee, Kyungtae Ko, Dae Yul Yang,

<h4>Objective</h4>To examine the correlation between estimated intravaginal ejaculatory latency time (eIELT) and stopwatch-measured intravaginal ejaculatory latency time (sIELT), and to assess the clinical utility of eIELT in identifying men more likely to have lifelong premature ejaculation (PE).<h4>Methods</h4>A prospective, observational, multicenter study was conducted. Between July 2010 and August 2011, 118 ... Read more >>

Urology (Urology)
[2015, 85(2):375-380]

Cited: 3 times

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Effect of improvement in lower urinary tract symptoms on sexual function in men: tamsulosin monotherapy vs. combination therapy of tamsulosin and solifenacin.

Kyungtae Ko, Dae Yul Yang, Won Ki Lee, Sae Woong Kim, Du Geon Moon, Ki Hak Moon, Nam Cheol Park, Jong Kwan Park, Hwan Cheol Son, Sung Won Lee, Jae Seog Hyun, Kwangsung Park,

<h4>Purpose</h4>To evaluate how much the improvement of lower urinary tract symptoms (LUTS) affects sexual function and which storage symptoms or voiding symptoms have the greatest effect on sexual function.<h4>Materials and methods</h4>A total of 187 patients were enrolled in this study. Patients were randomly assigned to receive either tamsulosin 0.2 mg ... Read more >>

Korean J Urol (Korean journal of urology)
[2014, 55(9):608-614]

Cited: 8 times

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Effect of Gleason scores of lymph node metastases on prognosis of patients with prostate cancer.

Kyungtae Ko, In Gab Jeong, Woo Suk Choi, Ju Hyun Lim, Ja Hee Suh, Ja Hyeon Ku, Yangsoon Park, Kyung Cheol Moon, Hyeon Hoe Kim, Choung-Soo Kim, Cheol Kwak,

The long-term mortality risk from prostate cancer increases in lymph node (LN) positive patients. This study was done to assess the effect of lymph node Gleason score (LNGS) on prognosis in patients with LN-positive prostate cancer. Among the 1,415 patients who received pelvic lymph node dissection (PLND), 117 (8.4%) patients ... Read more >>

Int J Clin Exp Pathol (International journal of clinical and experimental pathology)
[2014, 7(9):6141-6148]

Cited: 2 times

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The association between the anatomical features of renal tumours and the functional outcomes of robot-assisted partial nephrectomy.

Jeong Woo Lee, Sung Yong Cho, Chanhoo Jeon, Kyungtae Ko, Hyeon Hoe Kim,

<h4>Introducton</h4>We evaluated the the association between PADUA scores and postoperative renal function (after robot-assisted partial nephrectomy [RAPN]) and between PADUA scores and warm ischemic time (during RAPN).<h4>Methods</h4>We reviewed the clinical records of 106 patients who underwent RAPN for a single localized renal tumour between April 2009 and June 2012. Postoperative ... Read more >>

Can Urol Assoc J (Canadian Urological Association journal = Journal de l'Association des urologues du Canada)
[2014, 8(11-12):E810-4]

Cited: 4 times

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Prospective randomized controlled trial of conventional laparoscopic versus laparoendoscopic single-site radical nephrectomy for localized renal cell carcinoma: a preliminary report regarding quality of life.

Yong Hyun Park, Kwang Taek Kim, Kyungtae Ko, Hyeon Hoe Kim,

<h4>Purpose</h4>The safety and efficacy of laparoendoscopic single-site surgery (LESS) for renal cell carcinoma (RCC) have not been clearly demonstrated. We aimed to present preliminary data from a prospective randomized controlled trial of LESS versus conventional laparoscopic radical nephrectomy for localized RCC.<h4>Methods</h4>Patients with cT1-2 RCC were randomized to LESS (n = ... Read more >>

World J Urol (World journal of urology)
[2015, 33(3):367-372]

Cited: 9 times

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Urologist's Practice Patterns Including Surgical Treatment in the Management of Premature Ejaculation: A Korean Nationwide Survey.

Dae Yul Yang, Kyungtae Ko, Won Ki Lee, Hyun Jun Park, Sung Won Lee, Ki Hak Moon, Sae Woong Kim, Soo Woong Kim, Kang Su Cho, Du Geon Moon, Kweonsik Min, Sang Kuk Yang, Hwancheol Son, Kwangsung Park,

<h4>Purpose</h4>According to previous studies, the prevalence of premature ejaculation (PE) in Korea ranges from 11.3% to 33%. However, the actual practice patterns in managing patients with PE is not well known. In this study, we have endeavored to determine how contemporary urologists in Korea manage patients with PE.<h4>Materials and methods</h4>The ... Read more >>

World J Mens Health (The world journal of men's health)
[2013, 31(3):226-231]

Cited: 11 times

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Impact of positive surgical margins and their locations after radical prostatectomy: comparison of biochemical recurrence according to risk stratification and surgical modality.

Min Soo Choo, Sung Yong Cho, Kyungtae Ko, Chang Wook Jeong, Seung Bae Lee, Ja Hyeon Ku, Sung Kyu Hong, Seok-Soo Byun, Cheol Kwak, Hyeon Hoe Kim, Sang Eun Lee, Hyeon Jeong,

<h4>Purpose</h4>We investigated the influence of positive surgical margins (PSMs) and their locations on biochemical recurrence (BCR) according to risk stratification and surgical modality.<h4>Methods</h4>A total of 1,874 post-radical-prostatectomy (RP) patients of pT2-T3a between 2000 and 2010 at three tertiary centers, and who did not receive neoadjuvant/adjuvant therapy, were included in this ... Read more >>

World J Urol (World journal of urology)
[2014, 32(6):1401-1409]

Cited: 9 times

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Effects of low-dose tamsulosin on sexual function in patients with lower urinary tract symptoms suggestive of benign prostatic hyperplasia.

Sin Wook Kim, Wan Cheol Lee, Ma Tae Kim, Kyungtae Ko, Won Ki Lee, Choong-Hyun Lee, Je Jong Kim, Dae Yul Yang,

<h4>Purpose</h4>The aim of the present study was to evaluate the effects of low-dose tamsulosin on sexual function in patients with lower urinary tract symptoms (LUTS) suggestive of benign prostatic hyperplasia.<h4>Materials and methods</h4>A total of 138 male LUTS patients aged more than 50 years with an International Prostate Symptom Score (IPSS) ... Read more >>

Korean J Urol (Korean journal of urology)
[2013, 54(10):697-702]

Cited: 2 times

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Influence of nutritional deficiency on prognosis of renal cell carcinoma (RCC).

Kyungtae Ko, Young H Park, Jeong W Lee, Ja H Ku, Cheol Kwak, Hyeon H Kim,

<h4>Objective</h4>To evaluate the prognosis of patients with renal cell carcinoma (RCC) by nutritional status defined by body mass index (BMI), serum albumin and cholesterol.<h4>Patients and methods</h4>This study retrospectively enrolled 1437 patients who underwent radical nephrectomy (932) or partial nephrectomy (505) for RCC. We assigned nutritional status according to the presence ... Read more >>

BJU Int (BJU international)
[2013, 112(6):775-780]

Cited: 24 times

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