1.Subjective Experience on Virtual Reality-Assisted Mental Health Promotion Program
Hyebin KO ; Hyun Ju LIM ; Jeonghyun PARK ; Kyungwon KIM ; Hwagyu SUH ; Byung Dae LEE ; Young Min LEE ; Eunsoo MOON ; Du-Ri KIM ; Jong-Hwan PARK ; Myung-Jun SHIN ; Yean-Hwa LEE
Psychiatry Investigation 2024;21(4):380-386
		                        		
		                        			 Objective:
		                        			Mental health promotion programs using virtual reality (VR) technology have been developed in various forms. This study aimed to investigate the subjective experience of a VR-assisted mental health promotion program for the community population, which was provided in the form of VR experience on a bus to increase accessibility. 
		                        		
		                        			Methods:
		                        			Ninety-six people participated in this study. The relationship between the subjective experience and mental health states such as depression, anxiety, perceived stress, and quality of life was explored. The subjective experience on depression and stress before and after VR program treatment was compared using the Wilcoxon signed-rank test. The satisfaction with the VR-assisted mental health promotion program was examined after using the VR program. 
		                        		
		                        			Results:
		                        			The VR-assisted mental health promotion program on a bus significantly improved subjective symptoms such as depression (p=0.036) and perceived stress (p=0.010) among all the participants. Among the high-risk group, this VR program significantly relieved subjective depressive feeling score (p=0.033), and subjective stressful feeling score (p=0.035). In contrast, there were no significant changes in subjective depressive feelings (p=0.182) and subjective stressful feelings (p=0.058) among the healthy group. Seventy-two percent of the participants reported a high level of satisfaction, scoring 80 points or more. 
		                        		
		                        			Conclusion
		                        			The findings of this study suggest that the VR-assisted mental health promotion program may effectively improve the subjective depressive and stressful feelings. The use of VR programs on buses to increase of accessibility for the community could be a useful approach for promoting mental health among the population. 
		                        		
		                        		
		                        		
		                        	
2.Total Knee Arthroplasty: Is It Safe? A Single-Center Study of 4,124 Patients in South Korea
Kyunga KO ; Kee Hyun KIM ; Sunho KO ; Changwung JO ; Hyuk-Soo HAN ; Myung Chul LEE ; Du Hyun RO
Clinics in Orthopedic Surgery 2023;15(6):935-941
		                        		
		                        			 Background:
		                        			Although total knee arthroplasty (TKA) is considered an effective treatment for knee osteoarthritis, it carries risks of complications. With a growing number of TKAs performed on older patients, understanding the cause of mortality is crucial to enhance the safety of TKA. This study aimed to identify the major causes of short- and long-term mortality after TKA and report mortality trends for major causes of death. 
		                        		
		                        			Methods:
		                        			A total of 4,124 patients who underwent TKA were analyzed. The average age at surgery was 70.7 years. The average follow-up time was 73.5 months. The causes of death were retrospectively collected through Korean Statistical Information Service and classified into 13 subgroups based on the International Classification of Diseases-10 code. The short- and long-term causes of death were identified within the time-to-death intervals of 30, 60, 90, 180, 180 days, and > 180 days. Standard mortality ratios (SMRs) and cumulative incidence of deaths were computed to examine mortality trends after TKA. 
		                        		
		                        			Results:
		                        			The short-term mortality rate was 0.07% for 30 days, 0.1% for 60 days, 0.2% for 90 days, and 0.2% for 180 days. Malignant neoplasm and cardiovascular disease were the main short-term causes of death. The long-term (> 180 days) mortality rate was 6.2%. Malignant neoplasm (35%), others (11.7%), and respiratory disease (10.1%) were the major long-term causes of death.Men had a higher cumulative risk of death for respiratory, metabolic, and cardiovascular diseases. Age-adjusted mortality was significantly higher in TKA patients aged 70 years (SMR, 4.3; 95% confidence interval [CI], 3.3–5.4) and between 70 and 79 years (SMR 2.9; 95% CI, 2.5–3.5) than that in the general population. 
		                        		
		                        			Conclusions
		                        			The short-term mortality rate after TKA was low, and most of the causes were unrelated to TKA. The major causes of long-term death were consistent with previous findings. Our findings can be used as counseling data to understand the survival and mortality of TKA patients. 
		                        		
		                        		
		                        		
		                        	
3.Urologists' Perceptions and Practice Patterns in Peyronie's Disease: A Korean Nationwide Survey Including Patient Satisfaction.
Young Hwii KO ; Ki Hak MOON ; Sung Won LEE ; Sae Woong KIM ; Dae Yul YANG ; Du Geon MOON ; Woo Sik CHUNG ; Kyung Jin OH ; Jae Seog HYUN ; Ji Kan RYU ; Hyun Jun PARK ; Kwangsung PARK
Korean Journal of Urology 2014;55(1):57-63
		                        		
		                        			
		                        			PURPOSE: A nationwide survey was conducted of Korean urologists to illustrate physicians' perceptions and real practical patterns regarding Peyronie disease (PD). MATERIALS AND METHODS: A specially designed questionnaire exploring practice characteristics and attitudes regarding PD, as well as patient satisfaction with each treatment modality, was e-mailed to 2,421 randomly selected urologists. RESULTS: Responses were received from 385 practicing urologists (15.9%) with a median time after certification as an urologist of 12 years. Regarding the natural course, 87% of respondents believed that PD is a progressive disease, and 82% replied that spontaneous healing in PD occurred in fewer than 20% of patients. Regarding diagnosis of PD, the methods used were, in order, history taking with physical examination (98%), International Index of Erectile Function questionnaires (40%), intracavernous injection and stimulation (35%), and duplex sonography (28%). Vitamin E was most preferred as an initial medical management (80.2%), followed by phosphodiesterase-5 inhibitors (27.4%) and Potaba (aminobenzoate potassium, 20.1%). For urologists who administered intralesional injection, the injected agent was, in order, corticosteroid (72.2%), verapamil (45.1%), and interferon (3.2%). The most frequently performed surgical procedure was plication (84.1%), followed by excision and graft (42.9%) and penile prosthesis implantation (14.2%). Among the most popular treatments in each modality, the urologists' perceptions regarding the suitability of treatment and patient satisfaction were significantly different, favoring plication surgery. CONCLUSIONS: The practice pattern of urologists depicted in this survey is in line with currently available Western guidelines, which indicates the need for development of further local guidelines based on solid clinical data.
		                        		
		                        		
		                        		
		                        			4-Aminobenzoic Acid
		                        			;
		                        		
		                        			Certification
		                        			;
		                        		
		                        			Cyclic Nucleotide Phosphodiesterases, Type 5
		                        			;
		                        		
		                        			Data Collection
		                        			;
		                        		
		                        			Diagnosis
		                        			;
		                        		
		                        			Electronic Mail
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Injections, Intralesional
		                        			;
		                        		
		                        			Interferons
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Patient Satisfaction*
		                        			;
		                        		
		                        			Penile Implantation
		                        			;
		                        		
		                        			Penile Induration*
		                        			;
		                        		
		                        			Physical Examination
		                        			;
		                        		
		                        			Potassium
		                        			;
		                        		
		                        			Questionnaires
		                        			;
		                        		
		                        			Transplants
		                        			;
		                        		
		                        			Verapamil
		                        			;
		                        		
		                        			Vitamin E
		                        			;
		                        		
		                        			Vitamins
		                        			
		                        		
		                        	
4.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
Korean Journal of Urology 2014;55(9):608-614
		                        		
		                        			
		                        			PURPOSE: 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. MATERIALS AND METHODS: A total of 187 patients were enrolled in this study. Patients were randomly assigned to receive either tamsulosin 0.2 mg (group A) or tamsulosin 0.2 mg and solifenacin 5 mg (group B). At 4 weeks and 12 weeks, the LUTS and sexual function of the patients were evaluated by use of the International Index of Erectile Function-5 (IIEF5), International Prostate Symptom Score (IPSS), Overactive Bladder Symptom Score (OABSS) questionnaire, uroflowmetry, and bladder scan. RESULTS: Both groups A and B showed statistically significant improvements in IPSS, OABSS, and quality of life (QoL). Group A showed improved maximum flow rate, mean flow rate, and residual urine volume by time. Group B did not show an improvement in flow rate or residual urine volume but total voiding volume increased with time. The IIEF5 score was not improved in either group. In group A, the IIEF5 score dropped from 13.66+/-4.97 to 11.93+/-6.14 after 12 weeks (p=0.072). Group B showed a decline in the IIEF5 score from 13.19+/-5.91 to 12.45+/-6.38 (p=0.299). Although group B showed a relatively smaller decrease in the IIEF5 score, the difference between the two groups was not significant (p=0.696). CONCLUSIONS: Tamsulosin monotherapy and combination therapy with solifenacin did not improve erectile function despite improvements in voiding symptoms and QoL. The improvement in storage symptoms did not affect erectile function.
		                        		
		                        		
		                        		
		                        			Aged
		                        			;
		                        		
		                        			Drug Therapy, Combination/methods
		                        			;
		                        		
		                        			Erectile Dysfunction/*drug therapy/etiology
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Lower Urinary Tract Symptoms/complications/*drug therapy
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Middle Aged
		                        			;
		                        		
		                        			Quality of Life
		                        			;
		                        		
		                        			Questionnaires
		                        			;
		                        		
		                        			Quinuclidines/*administration & dosage
		                        			;
		                        		
		                        			Rheology
		                        			;
		                        		
		                        			Sulfonamides/*administration & dosage
		                        			;
		                        		
		                        			Tetrahydroisoquinolines/*administration & dosage
		                        			;
		                        		
		                        			Treatment Outcome
		                        			;
		                        		
		                        			Urological Agents/*administration & dosage
		                        			
		                        		
		                        	
5.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
Korean Journal of Urology 2014;55(9):608-614
		                        		
		                        			
		                        			PURPOSE: 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. MATERIALS AND METHODS: A total of 187 patients were enrolled in this study. Patients were randomly assigned to receive either tamsulosin 0.2 mg (group A) or tamsulosin 0.2 mg and solifenacin 5 mg (group B). At 4 weeks and 12 weeks, the LUTS and sexual function of the patients were evaluated by use of the International Index of Erectile Function-5 (IIEF5), International Prostate Symptom Score (IPSS), Overactive Bladder Symptom Score (OABSS) questionnaire, uroflowmetry, and bladder scan. RESULTS: Both groups A and B showed statistically significant improvements in IPSS, OABSS, and quality of life (QoL). Group A showed improved maximum flow rate, mean flow rate, and residual urine volume by time. Group B did not show an improvement in flow rate or residual urine volume but total voiding volume increased with time. The IIEF5 score was not improved in either group. In group A, the IIEF5 score dropped from 13.66+/-4.97 to 11.93+/-6.14 after 12 weeks (p=0.072). Group B showed a decline in the IIEF5 score from 13.19+/-5.91 to 12.45+/-6.38 (p=0.299). Although group B showed a relatively smaller decrease in the IIEF5 score, the difference between the two groups was not significant (p=0.696). CONCLUSIONS: Tamsulosin monotherapy and combination therapy with solifenacin did not improve erectile function despite improvements in voiding symptoms and QoL. The improvement in storage symptoms did not affect erectile function.
		                        		
		                        		
		                        		
		                        			Aged
		                        			;
		                        		
		                        			Drug Therapy, Combination/methods
		                        			;
		                        		
		                        			Erectile Dysfunction/*drug therapy/etiology
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Lower Urinary Tract Symptoms/complications/*drug therapy
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Middle Aged
		                        			;
		                        		
		                        			Quality of Life
		                        			;
		                        		
		                        			Questionnaires
		                        			;
		                        		
		                        			Quinuclidines/*administration & dosage
		                        			;
		                        		
		                        			Rheology
		                        			;
		                        		
		                        			Sulfonamides/*administration & dosage
		                        			;
		                        		
		                        			Tetrahydroisoquinolines/*administration & dosage
		                        			;
		                        		
		                        			Treatment Outcome
		                        			;
		                        		
		                        			Urological Agents/*administration & dosage
		                        			
		                        		
		                        	
6.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
The World Journal of Men's Health 2013;31(3):226-231
		                        		
		                        			
		                        			PURPOSE: 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. MATERIALS AND METHODS: The e-mailing list was obtained from the Korean Urological Association Registry of Physicians. A specifically designed questionnaire was e-mailed to the 2,421 urologists in Korea from May 2012 to August 2012. RESULTS: Urologists in Korea diagnosed PE using various criteria: the definition of the International Society for Sexual Medicine (63.4%), Diagnostic and Statistical Manual of Mental Disorders (43.8%), International Statistical Classification of Disease, 10th edition (61.7%), or perceptional self-diagnosis by the patient himself (23.5%). A brief self-administered questionnaire, the Premature Ejaculation Diagnostic Tool, was used by only 42.5% of the urologists. Selective-serotonin reuptake inhibitor (SSRI) therapy was the main treatment modality (91.5%) for PE patients. 40.2% of the urologists used phosphodiesterase type 5 inhibitors, 47.6% behavior therapy, and 53.7% local anesthetics. Further, 286 (54.3%) urologists managed PE patients with a surgical modality such as selective dorsal neurotomy (SDN). CONCLUSIONS: A majority of Korean urologists diagnose PE by a multidimensional approach using various diagnostic tools. Most urologists believe that medical treatment with an SSRI is effective in the management of PE. At the same time, surgical treatment such as SDN also investigated as one of major treatment modality despite the lack of scientific evidence.
		                        		
		                        		
		                        		
		                        			Anesthetics, Local
		                        			;
		                        		
		                        			Behavior Therapy
		                        			;
		                        		
		                        			Classification
		                        			;
		                        		
		                        			Diagnostic and Statistical Manual of Mental Disorders
		                        			;
		                        		
		                        			Electronic Mail
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Korea
		                        			;
		                        		
		                        			Operative Time
		                        			;
		                        		
		                        			Phosphodiesterase 5 Inhibitors
		                        			;
		                        		
		                        			Physician's Practice Patterns
		                        			;
		                        		
		                        			Premature Ejaculation*
		                        			;
		                        		
		                        			Prevalence
		                        			;
		                        		
		                        			Surveys and Questionnaires
		                        			;
		                        		
		                        			Urologic Surgical Procedures
		                        			
		                        		
		                        	
7.Catastrophic Antiphospholipid Syndrome Improved by Anticoagulation Alone.
Yoon Jeong KIM ; Seouk Chan KO ; Sung Du KIM ; Ho Jun LEE ; Myung Jae YUN ; Su Hyun KIM ; Na Ree KANG
Korean Journal of Medicine 2011;80(Suppl 2):S319-S324
		                        		
		                        			
		                        			Catastrophic antiphospholipid syndrome (APS) is an accelerated subtype of APS that results in multiorgan failure. Although catastrophic APS represents about 0.8% of all APS cases, it is usually a life-threatening medical condition that requires high clinical awareness. Catastrophic APS has been managed by various therapies, including anticoagulation, corticosteroids, plasma exchange and IV immunoglobulin, but it still has a high mortality rate. A few cases treated by anticoagulation and steroids have been reported in Korea. In this paper, we report a case of catastrophic APS that improved after anticoagulation therapy alone. Thus, we consider hat our case shows another clinical aspect of catastrophic APS.
		                        		
		                        		
		                        		
		                        			Adrenal Cortex Hormones
		                        			;
		                        		
		                        			Antiphospholipid Syndrome
		                        			;
		                        		
		                        			Immunoglobulins
		                        			;
		                        		
		                        			Korea
		                        			;
		                        		
		                        			Plasma Exchange
		                        			;
		                        		
		                        			Steroids
		                        			
		                        		
		                        	
8.Stellate ganglion block for the treatment of acne vulgaris in adult : Case reports.
Hee Chang KO ; Du Hyun KO ; Helen Ki SHINN ; Jang Ho SONG ; Hong Sik LEE ; Young Deog CHA
Anesthesia and Pain Medicine 2009;4(1):71-74
		                        		
		                        			
		                        			Therapeutic agents such as antibiotics, hormonal drugs and retinoids are usually applied for the treatment of acne vulgaris. Adult patients with acne vulgaris may suffer from various side effects of the therapeutic agents. Stellate ganglion blocks are known to be effective for general dermatological conditions such as atopic dermatitis and acne vulgaris. We experienced that a stellate ganglion block showed significant therapeutic effects in two patients with severe acne that did not respond to other treatments including medications. A stellate ganglion block should be considered as an effective treatment method for patients with acne vulgaris, especially in cases where little improvement is seen with the use of other treatment methods.
		                        		
		                        		
		                        		
		                        			Acne Vulgaris
		                        			;
		                        		
		                        			Adult
		                        			;
		                        		
		                        			Anti-Bacterial Agents
		                        			;
		                        		
		                        			Dermatitis, Atopic
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Retinoids
		                        			;
		                        		
		                        			Stellate Ganglion
		                        			
		                        		
		                        	
9.Internal jugular vein thrombosis detection by ultrasound scan after failure of internal jugular vein catheterization: A case report.
Jong Kwon JUNG ; Jeong Uk HAN ; Helen Ki SHINN ; In Jun JUNG ; Du Hyun KO ; Heung Soon IM ; Hyun Kyoung LIM
Korean Journal of Anesthesiology 2008;55(6):744-746
		                        		
		                        			
		                        			Right internal jugular vein catheterization is performed frequently as central venous catheterization by the landmark method. This procedure, however, might prove difficulty due to anatomic variations or thrombosis of internal jugular vein. We failed to catheterize right internal jugular vein by the landmark method in 70-year-old female patient. And then, we detected right internal jugular vein thrombosis by ultrasound scan. Left internal jugular vein catheterization was performed by the ultrasound guided technique. Central venous catheterization has possibility to fail despite several attempts by the landmark method. Then, ultrasound guided approach is a good choice to aid central venous catheterization when difficulties or complications have been encountered.
		                        		
		                        		
		                        		
		                        			Aged
		                        			;
		                        		
		                        			Catheterization
		                        			;
		                        		
		                        			Catheterization, Central Venous
		                        			;
		                        		
		                        			Catheters
		                        			;
		                        		
		                        			Central Venous Catheters
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Jugular Veins
		                        			;
		                        		
		                        			Thrombosis
		                        			
		                        		
		                        	
10.Anaphylaxis by vecuronium during induction of general anesthesia: A case report.
Helen Ki SHINN ; Hyun Kyoung LIM ; Jang Ho SONG ; Jeong Uk HAN ; Du Hyun KO ; In Jun JUNG ; Jong Kwon JUNG
Korean Journal of Anesthesiology 2008;55(5):613-617
		                        		
		                        			
		                        			Anaphylaxis is one of major causes of morbidity and mortality during anesthesia. Muscle relaxants are the most common cause of anaphylaxis during anesthesia. A 54-year-old woman was scheduled for thyroidectomy. She had no history of allergy and had never previously undergone general anesthesia, Lidocaine, propofol and vecuronium were injected sequentially to induce general anesthesia. Two minutes after the vecuronium injection, severe hypotension, tachycardia and bronchospasm developed, and delayed skin rashes appeared. The patient recovered without any significant complications after immediate proper intensive care. The operation was delayed and a skin test was performed on the 7th day after discharge. She revealed a positive skin test for vecuronium. The anesthesia was re-induced without muscle relaxant and maintained with propofol and remifentanil infusion. Surgery was completed uneventfully, and the patient recovered without any adverse reaction.
		                        		
		                        		
		                        		
		                        			Anaphylaxis
		                        			;
		                        		
		                        			Anesthesia
		                        			;
		                        		
		                        			Anesthesia, General
		                        			;
		                        		
		                        			Bronchial Spasm
		                        			;
		                        		
		                        			Exanthema
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Hypersensitivity
		                        			;
		                        		
		                        			Hypotension
		                        			;
		                        		
		                        			Critical Care
		                        			;
		                        		
		                        			Lidocaine
		                        			;
		                        		
		                        			Middle Aged
		                        			;
		                        		
		                        			Muscles
		                        			;
		                        		
		                        			Piperidines
		                        			;
		                        		
		                        			Propofol
		                        			;
		                        		
		                        			Skin Tests
		                        			;
		                        		
		                        			Tachycardia
		                        			;
		                        		
		                        			Thyroidectomy
		                        			;
		                        		
		                        			Vecuronium Bromide
		                        			
		                        		
		                        	
            
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