1.Efficacy of Various Treatment in Premature Ejaculation: Systematic Review and Network Meta-Analysis
Hyun Young LEE ; Jong Hyun PYUN ; Sung Ryul SHIM ; Jae Heon KIM
The World Journal of Men's Health 2024;42(2):338-346
Purpose:
To investigate the various strategies used for the treatment of premature ejaculation (PE); these encompassed behavioral, drug and surgical interventions.
Materials and Methods:
We retrieved data from electronic literature searches of PubMed and Cochrane library using the MeSH (Medical Subject Headings terms) and text keywords from the earliest available date of indexing through September 2022. The subject headings and text keywords included those related to the population (male patients with PE), interventions & comparisons (mono and combination treatment), and outcomes (ejaculation latency time, ELT).
Results:
The initial search identified a total of 454 articles from electronic databases. Finally, a total of 10,474 patients from 59 direct comparison trials were included 143 effect sizes with 43 treatments. Of these, 9 of mono treatments and 4 of combination treatments were statistically significant. Pharmaceutical agents commonly used for patients with PE are prescribed off-label, except for dapoxetine. The surface under the cumulative ranking curve values of ranking probabilities for each treatment performance, which indicated that tramadol 100 mg ranked first in terms of ELT.
Conclusions
Medications recommended by the American Urological Association and the Sexual Medicine Society of North America were all incorporated within the present review, together with additional management approaches that have been evaluated in randomized controlled trials. The findings indicated that in addition to SSRIs, tramadol, clomipramine, topical agents and PDE5 inhibitors could be used in the therapy of PE.
2.Medical Treatment for Peyronie’s Disease:Systematic Review and Network Bayesian Meta-Analysis
Hyun Young LEE ; Jong Hyun PYUN ; Sung Ryul SHIM ; Jae Heon KIM
The World Journal of Men's Health 2024;42(1):133-147
Purpose:
To investigate the efficacy of medical treatment options for Peyronie's disease (PD) including oral drugs, intralesional treatment and mechanical treatment compared with placebo treatment using network meta-analysis (NMA).
Materials and Methods:
We searched the randomized controlled trials (RCTs) of PD in PubMed, Cochrane library, and EMBASE up to October 2022. RCTs included medical treatment options: oral drugs, intralesional treatment and mechanical treatment. Studies reporting at least one of the outcome measures of interest including curvature degree, plaque size, and structured questionnaires (International Index of Erectile Function, IIEF) were included.
Results:
Finally, 24 studies including 1,643 participants met our selection criteria for NMA. There was no statistically significant treatment compared to placebo of the curvature degree, plaque size, IIEF in Bayesian analysis. The SUCRA values of ranking probabilities for each treatment performance, which indicated that hyperthermia device ranked first in NMA. However, in frequentist analysis, 7 of mono treatments (coenzyme Q10 [CoQ10] 300 mg, hyperthermia device, interferon alpha 2b, pentoxifylline 400 mg, propionyl-L-carnitine 1 g, penile traction therapy [PTT], vitamin E 300 mg) and 2 of combination treatments (“PTT–extracorporeal shockwave treatment”, “vitamin E 300 mg–propionyl-L-carnitine 1 g”) were statistically significant for improvement of curvature degree, and 9 of mono treatments (CoQ10 300 mg, hyaluronic acid 16 mg, hyperthermia device, interferon alpha 2b, pentoxifylline 400 mg, propionyl-L-carnitine 1 g, verapamil 10 mg, vitamin E 300 mg, vitamin E 400 U) and 3 of combination treatments ("interferon alpha 2b–vitamin E 400 U", "verapamil 10 mg–antioxidants", “vitamin E 300 mg–propionyl-L-carnitine 1 g”) were statistically significant in the improvement of plaque size.
Conclusions
At present, there is no clinical treatment alternatives that have been demonstrated to be effective compared to placebo. Nonetheless, as the frequentist approach has shown that a number of agents are efficacious, further research is expected to develop more effective treatment options.
3.Comparison of Clinical Effect and Compliance according to Administration Route of beta2-agonist in Childhood Asthma.
Jong Hyun LEE ; Yeong Seon KIM ; Do Youn KONG ; Bok Yang PYUN
Pediatric Allergy and Respiratory Disease 2004;14(4):384-391
PURPOSE: This study was performed to evaluate the efficacy and compliance of beta2- agonist according to the type of preparations in the children with asthma. METHODS: Randomly selected 30 patients, who visited to Soonchunhyang University Hospital with acute asthma attack from May to August, 2004 were enrolled. Patients were randomly divided into 3 groups. We evaluated asthma symptom score before and 1 week after treatment in each group. Also, we measured O2 saturation, peak expiratory flow rate (PEFR), heart rate, and evaluated adverse reactions during the treatment. Treatment compliance was evaluated by the face to face interview with the patients and their guardians after 1 week of treatment. RESULTS: The mean asthma symptom score before and after treatment in each group were 5.9 and 1.1 in transdermal group, 5.4 and 0.9 in inhalation group, and 5.5 and 1.3 in oral group, respectively. Mean improvement of PEFR was 23.7% predicted after treatment. There was no serious adverse reactionin each group except mild itching of patch site in one case of transdermal group. Compliance of each group was relatively good. CONCLUSION: For the treatment of acute asthma attack, there was no difference in efficacy and safety of beta-agonist among the type of preparations. Also, there was no difference in adverse reaction and compliance between the type of preparation. Therefore it will be useful to choose the preparation with better compliance in each patient for the effective treatment of childhood asthma.
Asthma*
;
Child
;
Compliance*
;
Heart Rate
;
Humans
;
Inhalation
;
Peak Expiratory Flow Rate
;
Pruritus
4.A study on revitalization of primary healthcare organizations through development of standard functions.
Hyun Jong OH ; Jeong Sik PARK ; A Ryun PARK ; Sug Won PYUN ; Yang Kyun KIM
Journal of the Korean Medical Association 2011;54(2):205-216
Primary care lays the foundation of national healthcare systems, but it has been weak in playing its role correctly because of legal and environmental attributes surrounding the healthcare industry in Korea. This study is conducted to concretize the definition and scope of primary care and to deduce its standard functions to contribute to establishing the healthcare delivery system and appropriate healthcare systems embracing socio-environmental leverage. The term primary healthcare institution was adopted based on literature review to achieve the research goal. The principle diseases appropriate for the primary healthcare institution based on ambulatory care sensitive conditions were analyzed, and the standard functions were deduced by matching these diseases with current procedural terminologies using CrossCoder package. Based on the analysis, the primary healthcare institution-specific diseases were 53 specific diseases under 23 broad disease groups. The standard functions were deduced in three categories of the standard functions of the entire primary healthcare institutions with 100% frequency, common standard functions with 70% frequency, and peculiar standard functions specific to diseases or body systems. These functions included outpatient evaluation and measurement, various factor tests through blood collection, and X-ray. Establishing the standard functions for the primary healthcare institution can promote patient reliability on primary care, alleviate health demand congestion toward large-sized advanced healthcare institutions. Furthermore, it contributes to establishing and reinforcing other healthcare policies related to the healthcare reimbursement system and referral system, and fosters primary care physician education. Most importantly, it reduces the national health expenditures by realizing efficient and effective healthcare delivery.
Ambulatory Care
;
Delivery of Health Care
;
Estrogens, Conjugated (USP)
;
Health Care Sector
;
Health Expenditures
;
Humans
;
Korea
;
Outpatients
;
Physicians, Primary Care
;
Primary Health Care
;
Referral and Consultation
5.Secondary Skin Infection and Their Sensitivity to Antibiotics in Children's Atopic Dermatitis.
Yeong Seon KIM ; Jong Hyun LEE ; Eul Soon KIM ; Hyeon Jong YANG ; Do Youn KONG ; Tae Youn CHOI ; Bok Yang PYUN
Pediatric Allergy and Respiratory Disease 2006;16(1):26-37
PURPOSE: Our study was designed to evaluate the prevalence of secondary skin infection in patients with atopic dermatitis and their sensitivity to antibiotics for appropriate choice of antibiotics. METHODS: We studied skin culture and their sensitivity results for 218 patients who visited to pediatric allergy clinic from June 2003 to August 2004. After determining minimal inhibitory concentrations(MICs) of antibiotics from randomly selected 40 cases of them, we compared the result with previous data. RESULTS: Age distribution was as follows; 28 cases(12.8%) were under 1 year old, 64 cases(29.4%) were 1 to 3 years old, 63 cases(28.9%) were 4 to 6 years old, and 63 cases (28.9%) were over 7 years old. 121 cases(55.5%) of 218 cases were found to have secondary skin infection. The most common organism was Staphylococcus aureus(S. aureus; 85 cases, 70.2%). The next was Staphylococcus epidermides(S. epidermidis; 22 cases, 18.2%). S. aureus were highly resistant to ampicillin and penicillin, but were relatively highly sensitive to 1st and 2nd generation cephalosporin, gentamicin, and erythromycin. To teicoplanin and vancomycin, they were entirely sensitive. On the other hand, S. epidermidis was highly resistant to 1st generation cephalosporin in addition to ampicillin and penicillin. Moreover, alpha- and beta-hemolytic streptococcus, which were co-infected with S. aureus, showed highly resistance to ampicillin, oxacillin and cephalosporin. In MIC test, methicillin-resistant S. aureus were found in 4 cases. CONCLUSION: Skin culture, sensitivity test and the appropriate choice of antibiotics might be important to control secondary skin infection and atopic dermatitis.
Age Distribution
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Ampicillin
;
Anti-Bacterial Agents*
;
Child
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Child, Preschool
;
Dermatitis, Atopic*
;
Erythromycin
;
Gentamicins
;
Hand
;
Humans
;
Hypersensitivity
;
Methicillin Resistance
;
Oxacillin
;
Penicillins
;
Prevalence
;
Skin*
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Staphylococcus
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Staphylococcus aureus
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Streptococcus
;
Teicoplanin
;
Vancomycin
6.Tumor-Specific Immunity Induced by Cryoablation in a Murine Renal Cell Carcinoma Model.
Hyung Keun KIM ; Jong Hyun PYUN ; Seok CHO ; Sung Gu KANG ; Jeong Gu LEE ; Je Jong KIM ; Jun CHEON ; Hong Seok PARK ; Seok Ho KANG
Korean Journal of Urology 2014;55(12):834-840
PURPOSE: To evaluate tumor-specific immunity and define the mechanisms involved in the cryoimmunologic response, we compared the tumor control efficacy and immunologic responses of cryoablation with those of surgical excision in a tumor rechallenge model. MATERIALS AND METHODS: Sixty BALB/c mice with RENCA tumors that were generated in the left flank area underwent cryoablation or radical excision. The mice successfully treated were rechallenged with RENCA or an undifferentiated colon carcinoma cell line, CT26, in the contralateral right flank area. The recurrence rate after tumor rechallenge in each group was then observed. To assess the immunologic response of each treatment modality, fluorescent-activated cell sorting (FACS) analysis and a cytotoxicity assay using 51Cr release were performed. RESULTS: After reinoculation of the RENCA cells, the rate of tumor growth was significantly higher in the surgical excision group than in the cryoablation group (94.4% vs. 11.1%, p=0.001). In the cryoablation group, the tumor growth rate was significantly increased after rechallenge of CT26 cells compared with RENCA (94.1% vs. 11.1%, p=0.001). The cryoablation group showed an elevated CD3, CD4, CD8 T, and natural killer cell count in the FACS analysis and also showed significantly increased cytotoxicity in the 51Cr release assay compared with the excision group. CONCLUSIONS: These results showed that cryoablation, compared to surgical resection, was more effective in preventing tumor growth after rechallenge with RENCA cells and that this response was tumor-specific, because the CT26 cells did not have the same effect.
Animals
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CD4-Positive T-Lymphocytes/immunology
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CD8-Positive T-Lymphocytes/immunology
;
Carcinoma, Renal Cell/*immunology/pathology/*surgery
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Cell Death
;
Cryosurgery/*methods
;
Cytotoxicity, Immunologic
;
Disease Models, Animal
;
Kidney Neoplasms/*immunology/pathology/*surgery
;
Lymphocyte Count
;
Lymphocytes, Tumor-Infiltrating/immunology
;
Mice, Inbred BALB C
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Neoplasm Recurrence, Local/immunology
;
Neoplasm Transplantation
7.Concurrent and predictive validation of robotic simulator Tube 3 module.
Jae Yoon KIM ; Seung Bin KIM ; Jong Hyun PYUN ; Hyung Keun KIM ; Seok CHO ; Jeong Gu LEE ; Je Jong KIM ; Jun CHEON ; Seok Ho KANG ; Sung Gu KANG
Korean Journal of Urology 2015;56(11):756-761
PURPOSE: We previously described a new procedure specific module (Tube 3) to allow the practice of vesicourethral anastomosis after robot-assisted radical prostatectomy. Herein, we report a predetermined proficiency level of Tube 3 and preliminary validation to explore whether this new module can lead to performance improvement in the da Vinci system. MATERIALS AND METHODS: Eight urology residents and three urology fellows performed the Tube 3 module 1 hour daily for 7 days. The learning curve was depicted through a scatterplot and the stable point was identified through the cumulative sum chart. Concurrent and predictive validations were performed with the da Vinci system. The mean time to complete the task and end product rating score between Tube 3 training group and no Tube 3 training group were compared. RESULTS: Concerning the learning curve, about 41 repetitions comprising about 5 hours were needed to achieve this stable point when the mean time to complete Tube of 384 seconds was set as a target. With regarding to the concurrent and predictive validation, there significant differences were evident in the mean time to complete 16 needle passages and the vesicourethral anastomosis and the end product rating score. CONCLUSIONS: The virtual reality (VR) simulator can yield sufficient improvement in technical performance in Tube 3 within 5 hours. The acquired proficiency can be transferable to the vesicourethral anastomosis using the da Vinci system.
Anastomosis, Surgical/methods
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Clinical Competence
;
Computer Simulation
;
Education, Medical, Graduate/*methods
;
Humans
;
Learning Curve
;
Male
;
Prostatectomy/*education/methods
;
Robotic Surgical Procedures/*education/methods
;
Simulation Training/methods
;
Urethra/surgery
;
Urinary Bladder/surgery
;
User-Computer Interface
8.Renal cryoablation of small renal masses: A Korea University experience.
Hyung Keun KIM ; Jong Hyun PYUN ; Jae Yoon KIM ; Seung Bin KIM ; Seok CHO ; Sung Gu KANG ; Jeong Gu LEE ; Je Jong KIM ; Jun CHEON ; Seok Ho KANG
Korean Journal of Urology 2015;56(2):117-124
PURPOSE: To evaluate the perioperative, functional, and oncological outcomes of renal cryoablation (RC) of small renal masses (SRMs) performed in Korea University Hospital. MATERIALS AND METHODS: We reviewed an Institutional Review Board-approved database of 70 patients who underwent RC and were followed up for a minimum of 3 months by a single surgeon in Korea University Hospital from August 2007 to May 2014. Among these patients, 68 patients (79 renal masses) were enrolled in our research. We evaluated perioperative, functional, and oncologic outcomes of RC. RESULTS: A total of 68 patients (79 renal masses) underwent RC in our institution. The mean age of the patients was 62.0 years. The mean tumor size was 2.25 cm. Among the 59 patients who underwent laparoscopic surgery, only 1 patient (1.47%) was converted to open surgery. No other perioperative complications occurred. The mean preoperative and 1-month postoperative estimated glomerular filtration ratio (eGFR) were 71.8 and 68.3 mL/min/1.73 m2, respectively (p=0.19). The mean 1-year postoperative eGFR was 65.0 mL/min/1.73 m2 (p=0.25). The mean follow-up period was 59.76 months (range, 3-119 months). Local tumor recurrence occurred in eight tumors (15.4%; a total of 52 renal cell carcinomas). Concerning treatment in the patients with recurrence, five patients underwent re-treatment and three patients are under active surveillance. None of the eight patients who experienced local recurrence had additional recurrence or tumor progression during the follow-up period. In our study, the recurrence-free rate was 83.0% and the cancer-specific survival rate was 100%. Moreover, the 5- and 10-year overall survival rates were both 100%. CONCLUSIONS: Long-term experience with RC in our institution demonstrates that RC is a safe and effective treatment for patients with SRMs.
Adult
;
Aged
;
Aged, 80 and over
;
Biopsy
;
Carcinoma, Renal Cell/pathology/radiography/*surgery
;
Cryosurgery/adverse effects/*methods
;
Follow-Up Studies
;
Glomerular Filtration Rate
;
Humans
;
Kidney Neoplasms/pathology/radiography/*surgery
;
Laparoscopy/adverse effects/methods
;
Middle Aged
;
Neoplasm Recurrence, Local
;
Tomography, X-Ray Computed
;
Treatment Outcome
;
Young Adult
9.The Long-Term Impact of 5-alpha Reductase Inhibitors on the Development of Bladder Cancer and the Need for Radical Cystectomy:A Nationwide Observational Study
Jong Hyun PYUN ; Nak-Hoon SON ; Young Hwii KO ; Sang Won KIM ; Hoseob KIM ; Yoon-Jong BAE
The World Journal of Men's Health 2024;42(2):460-466
Purpose:
To investigate the long-term effects of taking 5-alpha reductase inhibitors (5ARIs) on the development of bladder cancer (BC) and the implementation of radical cystectomy (RC), a standard procedure for advanced BC.
Materials and Methods:
From the National Health Insurance Sharing Service database, males aged over 40 years who underwent serum prostate-specific antigen testing from 2006 through 2017 were identified, which is required for the prescription of 5ARIs. The association between the administration duration of 5ARIs and the practice for BC was analyzed.
Results:
Of the 3,843,968 subjects, 1,514,713 (39.4%) took 5ARIs for an average of 1.53 years, remaining 2,329,255 (60.6%) as non-5ARI counterparts. The incidence of BC was higher in the non-5ARI than in the 5ARI group (1.25% vs. 0.87%, p<0.001), as was the implementation rate of RC (11.1% vs. 10.4%, p=0.037). In a multivariate analysis, the non-5ARI group had a significant risk of BC (hazard ratio [HR]=2.289, 95% confidence interval [CI]=2.241–2.338) and RC (HR=2.199, 95% CI=2.061–2.348) than the 5ARI group. Among the 5ARIs group, though the incidence of BC was maintained (slope=-0.002 per year, p=0.79) after an initial increase for two years, the rate of RC decreased (slope=-1.1, p<0.001) consistently for ten years during the administration.
Conclusions
Compared to the untreated group, 5ARIs use was associated with lower rates of BC and RC. In contrast to the increase in BC seen with short-term use of less than two years, long-term use of 5ARIs decreased the rate of RC in a duration-dependent manner for ten years, suggesting a strategy to prevent disease progression.
10.Development of the Korean Version of Modified Barthel Index (K-MBI): Multi-center Study for Subjects with Stroke.
Han Young JUNG ; Byung Kyu PARK ; Hee Suk SHIN ; Yoon Kyoo KANG ; Sung Bom PYUN ; Nam Jong PAIK ; See Hyun KIM ; Tae Hyun KIM ; Tai Ryoon HAN
Journal of the Korean Academy of Rehabilitation Medicine 2007;31(3):283-297
OBJECTIVE: To develop a Korean version of Modified Barthel Index (K-MBI) for subjects with stroke and to test the reliability and validity of K-MBI. METHOD: Six senior physiatrists translated the 5th version of MBI into K-MBI and we administered K-MBI to 30 subjects with stroke. Fifteen different examiners working at the 5 different university hospitals evaluated video-recorded examination cases independently to test the reliability and validity of K-MBI. We analyzed intra- and inter-rater reliabilities of the K-MBI by the Kendall's coefficient of concordance and Spearman's correlation coefficients, respectively. Cronbach's alpha coefficient was used for assessing internal consistency of the K-MBI and Spearman's correlation between the K-MBI and Brunnstr?m stage was employed to evaluate the validity of the K-MBI. RESULTS: The intra-rater reliabilities of physiatrists, resident physicians of rehabilitation medicine and occupational therapists were 0.93~1.00, 0.87~0.99, and 0.97~1.00 (p< 0.01), respectively. The inter-rater reliabilities were 0.93~0.98 (p<0.01) and Cronbach's alpha was 0.84 (p<0.01) as the internal consistency reliability of K-MBI. For construct validation study, each item of K-MBI had significant correlation with total score of K-MBI (r=0.54~0.78, p< 0.01). CONCLUSION: The K-MBI is a reliable and valid instrument for measuring functional status of subjects with stroke.
Hospitals, University
;
Rehabilitation
;
Reproducibility of Results
;
Stroke*