1.Observer-Blind Randomized Control Trial for the Effectiveness of Intensive Case Management in Seoul: Clinical and Quality-of-Life Outcomes for Severe Mental Illness
Hye-Young MIN ; Seung-Hee AHN ; Jeung Suk LIM ; Hwa Yeon SEO ; Sung Joon CHO ; Seung Yeon LEE ; Dohhee KIM ; Kihoon YOU ; Hyun Seo CHOI ; Su-Jin YANG ; Jee Eun PARK ; Bong Jin HAHM ; Hae Woo LEE ; Jee Hoon SOHN
Psychiatry Investigation 2025;22(5):513-521
		                        		
		                        			 Objective:
		                        			In South Korea, there is a significant gap in systematic, evidence-based research on intensive case management (ICM) for individuals with severe mental illness (SMI). This study aims to evaluate the effectiveness of ICM through a randomized controlled trial (RCT) comparing ICM with standard case management (non-ICM). 
		                        		
		                        			Methods:
		                        			An RCT was conducted to assess the effectiveness of Seoul-intensive case management (S-ICM) vs. non-ICM in individuals with SMI in Seoul. A total of 78 participants were randomly assigned to either the S-ICM group (n=41) or the control group (n=37). Various clinical assessments, including the Brief Psychiatric Rating Scale (BPRS), Montgomery–Åsberg Depression Rating Scale, Health of the Nation Outcome Scale, and Clinical Global Impression-Improvement (CGI-I), along with quality-of-life measures such as the WHO Disability Assessment Schedule, WHO Quality of Life scale, and Multidimensional Scale of Perceived Social Support (MSPSS) were evaluated over a 3-month period. Statistical analyses, including analysis of covariance and logistic regression, were used to determine the effectiveness of S-ICM. 
		                        		
		                        			Results:
		                        			The S-ICM group had significantly lower odds of self-harm or suicidal attempts compared to the control group (adjusted odds ratio [aOR]=0.30, 95% confidence interval [CI]: 0.21–1.38). Psychiatric symptoms measured by the BPRS and perceived social support measured by the MSPSS significantly improved in the S-ICM group. The S-ICM group also had significantly higher odds of CGI-I compared to the control group (aOR=8.20, 95% CI: 2.66–25.32). 
		                        		
		                        			Conclusion
		                        			This study provides inaugural evidence on the effectiveness of S-ICM services, supporting their standardization and potential nationwide expansion. 
		                        		
		                        		
		                        		
		                        	
2.Observer-Blind Randomized Control Trial for the Effectiveness of Intensive Case Management in Seoul: Clinical and Quality-of-Life Outcomes for Severe Mental Illness
Hye-Young MIN ; Seung-Hee AHN ; Jeung Suk LIM ; Hwa Yeon SEO ; Sung Joon CHO ; Seung Yeon LEE ; Dohhee KIM ; Kihoon YOU ; Hyun Seo CHOI ; Su-Jin YANG ; Jee Eun PARK ; Bong Jin HAHM ; Hae Woo LEE ; Jee Hoon SOHN
Psychiatry Investigation 2025;22(5):513-521
		                        		
		                        			 Objective:
		                        			In South Korea, there is a significant gap in systematic, evidence-based research on intensive case management (ICM) for individuals with severe mental illness (SMI). This study aims to evaluate the effectiveness of ICM through a randomized controlled trial (RCT) comparing ICM with standard case management (non-ICM). 
		                        		
		                        			Methods:
		                        			An RCT was conducted to assess the effectiveness of Seoul-intensive case management (S-ICM) vs. non-ICM in individuals with SMI in Seoul. A total of 78 participants were randomly assigned to either the S-ICM group (n=41) or the control group (n=37). Various clinical assessments, including the Brief Psychiatric Rating Scale (BPRS), Montgomery–Åsberg Depression Rating Scale, Health of the Nation Outcome Scale, and Clinical Global Impression-Improvement (CGI-I), along with quality-of-life measures such as the WHO Disability Assessment Schedule, WHO Quality of Life scale, and Multidimensional Scale of Perceived Social Support (MSPSS) were evaluated over a 3-month period. Statistical analyses, including analysis of covariance and logistic regression, were used to determine the effectiveness of S-ICM. 
		                        		
		                        			Results:
		                        			The S-ICM group had significantly lower odds of self-harm or suicidal attempts compared to the control group (adjusted odds ratio [aOR]=0.30, 95% confidence interval [CI]: 0.21–1.38). Psychiatric symptoms measured by the BPRS and perceived social support measured by the MSPSS significantly improved in the S-ICM group. The S-ICM group also had significantly higher odds of CGI-I compared to the control group (aOR=8.20, 95% CI: 2.66–25.32). 
		                        		
		                        			Conclusion
		                        			This study provides inaugural evidence on the effectiveness of S-ICM services, supporting their standardization and potential nationwide expansion. 
		                        		
		                        		
		                        		
		                        	
3.Observer-Blind Randomized Control Trial for the Effectiveness of Intensive Case Management in Seoul: Clinical and Quality-of-Life Outcomes for Severe Mental Illness
Hye-Young MIN ; Seung-Hee AHN ; Jeung Suk LIM ; Hwa Yeon SEO ; Sung Joon CHO ; Seung Yeon LEE ; Dohhee KIM ; Kihoon YOU ; Hyun Seo CHOI ; Su-Jin YANG ; Jee Eun PARK ; Bong Jin HAHM ; Hae Woo LEE ; Jee Hoon SOHN
Psychiatry Investigation 2025;22(5):513-521
		                        		
		                        			 Objective:
		                        			In South Korea, there is a significant gap in systematic, evidence-based research on intensive case management (ICM) for individuals with severe mental illness (SMI). This study aims to evaluate the effectiveness of ICM through a randomized controlled trial (RCT) comparing ICM with standard case management (non-ICM). 
		                        		
		                        			Methods:
		                        			An RCT was conducted to assess the effectiveness of Seoul-intensive case management (S-ICM) vs. non-ICM in individuals with SMI in Seoul. A total of 78 participants were randomly assigned to either the S-ICM group (n=41) or the control group (n=37). Various clinical assessments, including the Brief Psychiatric Rating Scale (BPRS), Montgomery–Åsberg Depression Rating Scale, Health of the Nation Outcome Scale, and Clinical Global Impression-Improvement (CGI-I), along with quality-of-life measures such as the WHO Disability Assessment Schedule, WHO Quality of Life scale, and Multidimensional Scale of Perceived Social Support (MSPSS) were evaluated over a 3-month period. Statistical analyses, including analysis of covariance and logistic regression, were used to determine the effectiveness of S-ICM. 
		                        		
		                        			Results:
		                        			The S-ICM group had significantly lower odds of self-harm or suicidal attempts compared to the control group (adjusted odds ratio [aOR]=0.30, 95% confidence interval [CI]: 0.21–1.38). Psychiatric symptoms measured by the BPRS and perceived social support measured by the MSPSS significantly improved in the S-ICM group. The S-ICM group also had significantly higher odds of CGI-I compared to the control group (aOR=8.20, 95% CI: 2.66–25.32). 
		                        		
		                        			Conclusion
		                        			This study provides inaugural evidence on the effectiveness of S-ICM services, supporting their standardization and potential nationwide expansion. 
		                        		
		                        		
		                        		
		                        	
4.Observer-Blind Randomized Control Trial for the Effectiveness of Intensive Case Management in Seoul: Clinical and Quality-of-Life Outcomes for Severe Mental Illness
Hye-Young MIN ; Seung-Hee AHN ; Jeung Suk LIM ; Hwa Yeon SEO ; Sung Joon CHO ; Seung Yeon LEE ; Dohhee KIM ; Kihoon YOU ; Hyun Seo CHOI ; Su-Jin YANG ; Jee Eun PARK ; Bong Jin HAHM ; Hae Woo LEE ; Jee Hoon SOHN
Psychiatry Investigation 2025;22(5):513-521
		                        		
		                        			 Objective:
		                        			In South Korea, there is a significant gap in systematic, evidence-based research on intensive case management (ICM) for individuals with severe mental illness (SMI). This study aims to evaluate the effectiveness of ICM through a randomized controlled trial (RCT) comparing ICM with standard case management (non-ICM). 
		                        		
		                        			Methods:
		                        			An RCT was conducted to assess the effectiveness of Seoul-intensive case management (S-ICM) vs. non-ICM in individuals with SMI in Seoul. A total of 78 participants were randomly assigned to either the S-ICM group (n=41) or the control group (n=37). Various clinical assessments, including the Brief Psychiatric Rating Scale (BPRS), Montgomery–Åsberg Depression Rating Scale, Health of the Nation Outcome Scale, and Clinical Global Impression-Improvement (CGI-I), along with quality-of-life measures such as the WHO Disability Assessment Schedule, WHO Quality of Life scale, and Multidimensional Scale of Perceived Social Support (MSPSS) were evaluated over a 3-month period. Statistical analyses, including analysis of covariance and logistic regression, were used to determine the effectiveness of S-ICM. 
		                        		
		                        			Results:
		                        			The S-ICM group had significantly lower odds of self-harm or suicidal attempts compared to the control group (adjusted odds ratio [aOR]=0.30, 95% confidence interval [CI]: 0.21–1.38). Psychiatric symptoms measured by the BPRS and perceived social support measured by the MSPSS significantly improved in the S-ICM group. The S-ICM group also had significantly higher odds of CGI-I compared to the control group (aOR=8.20, 95% CI: 2.66–25.32). 
		                        		
		                        			Conclusion
		                        			This study provides inaugural evidence on the effectiveness of S-ICM services, supporting their standardization and potential nationwide expansion. 
		                        		
		                        		
		                        		
		                        	
5.Observer-Blind Randomized Control Trial for the Effectiveness of Intensive Case Management in Seoul: Clinical and Quality-of-Life Outcomes for Severe Mental Illness
Hye-Young MIN ; Seung-Hee AHN ; Jeung Suk LIM ; Hwa Yeon SEO ; Sung Joon CHO ; Seung Yeon LEE ; Dohhee KIM ; Kihoon YOU ; Hyun Seo CHOI ; Su-Jin YANG ; Jee Eun PARK ; Bong Jin HAHM ; Hae Woo LEE ; Jee Hoon SOHN
Psychiatry Investigation 2025;22(5):513-521
		                        		
		                        			 Objective:
		                        			In South Korea, there is a significant gap in systematic, evidence-based research on intensive case management (ICM) for individuals with severe mental illness (SMI). This study aims to evaluate the effectiveness of ICM through a randomized controlled trial (RCT) comparing ICM with standard case management (non-ICM). 
		                        		
		                        			Methods:
		                        			An RCT was conducted to assess the effectiveness of Seoul-intensive case management (S-ICM) vs. non-ICM in individuals with SMI in Seoul. A total of 78 participants were randomly assigned to either the S-ICM group (n=41) or the control group (n=37). Various clinical assessments, including the Brief Psychiatric Rating Scale (BPRS), Montgomery–Åsberg Depression Rating Scale, Health of the Nation Outcome Scale, and Clinical Global Impression-Improvement (CGI-I), along with quality-of-life measures such as the WHO Disability Assessment Schedule, WHO Quality of Life scale, and Multidimensional Scale of Perceived Social Support (MSPSS) were evaluated over a 3-month period. Statistical analyses, including analysis of covariance and logistic regression, were used to determine the effectiveness of S-ICM. 
		                        		
		                        			Results:
		                        			The S-ICM group had significantly lower odds of self-harm or suicidal attempts compared to the control group (adjusted odds ratio [aOR]=0.30, 95% confidence interval [CI]: 0.21–1.38). Psychiatric symptoms measured by the BPRS and perceived social support measured by the MSPSS significantly improved in the S-ICM group. The S-ICM group also had significantly higher odds of CGI-I compared to the control group (aOR=8.20, 95% CI: 2.66–25.32). 
		                        		
		                        			Conclusion
		                        			This study provides inaugural evidence on the effectiveness of S-ICM services, supporting their standardization and potential nationwide expansion. 
		                        		
		                        		
		                        		
		                        	
6.Outcomes of Endoscopic Resection for Early Gastric Cancer in Very Elderly Patients: A Nationwide Population-Based Study
Tae Jun KIM ; Jeung Hui PYO ; Hyuk LEE ; Sung Chul CHOI ; Yang Won MIN ; Byung-Hoon MIN ; Jun Haeng LEE ; Poong-Lyul RHEE ; Minku SONG ; Yoon-Ho CHOI ; Jae J. KIM
Gut and Liver 2023;17(4):529-536
		                        		
		                        			 Background/Aims:
		                        			Few studies have investigated the long-term outcomes of endoscopic resection for early gastric cancer (EGC) in very elderly patients. The aim of this study was to determine the appropriate treatment strategy and identify the risk factors for mortality in these patients. 
		                        		
		                        			Methods:
		                        			Patients with EGC who underwent endoscopic resection from 2006 to 2017 were iden-tified using National Health Insurance Data and divided into three age groups: very elderly (≥85 years), elderly (65 to 84 years), and non-elderly (≤64 years). Their long- and short-term outcomes were compared in the three age groups, and the survival in the groups was compared with that in the control group, matched by age and sex. We also evaluated the risk factors for long- and short-term outcomes. 
		                        		
		                        			Results:
		                        			A total of 8,426 patients were included in our study: 118 very elderly, 4,583 elderly, and 3,725 non-elderly. The overall survival and cancer-specific survival rates were significantly lower in the very elderly group than in the elderly and the non-elderly groups. Congestive heart failure was negatively associated with cancer-specific survival. A significantly decreased risk for mortality was observed in all groups (p<0.001). The very elderly group had significantly higher readmission and mortality rates within 3 months of endoscopic resection than the non-elderly and elderly groups. Furthermore, the cerebrovascular disease was associated with mortality within 3 months after endoscopic resection. 
		                        		
		                        			Conclusions
		                        			Endoscopic resection for EGC can be helpful for very elderly patients, and it may play a role in achieving overall survival comparable to that of the control group. 
		                        		
		                        		
		                        		
		                        	
7.Development of Mental Healthcare Model in Seoul
Sra JUNG ; Soo Bong JUNG ; Eun Jin NA ; Jee Hye BAE ; Jong Woo PAIK ; Hwo Yeon SEO ; Jee Hoon SOHN ; Hae Woo LEE ; Jeung Suk LIM ; Mi JANG ; Sung Joon CHO ; Hwa Young LEE
Psychiatry Investigation 2023;20(7):655-663
		                        		
		                        			 Objective:
		                        			To develop an integrated and comprehensive community-based mental healthcare model, opinions were collected on various issues from practitioners in mental health service institutions currently offering mental healthcare services in Seoul through a focus group interview, qualitative research method, and Delphi survey. 
		                        		
		                        			Methods:
		                        			The focus group interview was conducted with six practitioners from mental health welfare centers and six hospital-based psychiatrists. A questionnaire of opinions on the mental healthcare model was filled by these practitioners and psychiatrists. A Delphi survey was additionally conducted with a panel of 20 experts from a community mental health welfare center and hospital-based psychiatrists. 
		                        		
		                        			Results:
		                        			The focus group interview results showed the need for integrated community-based mental healthcare service and the need to establish a system for managing mental and physical health in an integrated manner. Based on the survey results, the current status of community-based mental healthcare services was investigated, and the direction of the revised model was established. The Delphi survey was then conducted to refine the revised model. 
		                        		
		                        			Conclusion
		                        			The present study presents the Seoul-type community-based mental healthcare model with integrated services between a psychiatric hospital with a mental health welfare center as well as combined mental and physical health services. This is ultimately expected to help people with mental illnesses live healthy lives by meeting their needs as community members. 
		                        		
		                        		
		                        		
		                        	
8.Inhibitory Effect of Mitoxantrone on Collagen Synthesis in Dermal Fibroblasts
Kyung-Il KIM ; Chang-Il KWON ; Jeung-Hoon LEE ; Chang-Deok KIM ; Tae-Jin YOON
Annals of Dermatology 2022;34(3):206-211
		                        		
		                        			 Background:
		                        			Fibroblasts produce collagen molecules that support the structure of the skin.The decrease and hypersynthesis of collagen causes skin problems such as skin atrophy, wrinkles and scars. 
		                        		
		                        			Objective:
		                        			The purpose of this study is to investigate the mechanism of mitoxantrone on collagen synthesis in fibroblasts. 
		                        		
		                        			Methods:
		                        			Cultured fibroblasts were treated with mitoxantrone, and then collagen synthesis was confirmed by reverse transcription-polymerase chain reaction and Western blot. 
		                        		
		                        			Results:
		                        			Mitoxantrone inhibited the expression of type I collagen in fibroblasts at both the mRNA and protein levels. In the collagen gel contraction assay, mitoxantrone significantly inhibited gel contraction compared to the control group. Mitoxantrone inhibited transforming growth factor (TGF)-β-induced phosphorylation of SMAD3. Finally, mitoxantrone inhibited the expression of LARP6, an RNA-binding protein that regulates collagen mRNA stability. 
		                        		
		                        			Conclusion
		                        			These results suggest that mitoxantrone reduces collagen synthesis by inhibiting TGF-β/SMAD signaling and LARP6 expression in fibroblasts, which can be developed as a therapeutic agent for diseases caused by collagen hypersynthesis. 
		                        		
		                        		
		                        		
		                        	
9.Two-Year Follow-Up Results after Tendon Graft and Corrective Osteotomy for the Delayed Rupture of the 2nd-5th Flexor Tendons due to a Malunion of a Distal Radius Fracture - A Case Report -
Jeung-Hwan SEO ; Hyun-Gon GWAK ; Jae Hoon LEE
Journal of the Korean Fracture Society 2022;35(2):63-67
		                        		
		                        			
		                        			 The delayed rupture of the flexor tendons is a rare complication of malunited distal radius fractures after nonoperative management. The known cause of a flexor tendon rupture is attrition between the palmarly displaced ulnar head and the involved tendons. Sharp bony spurs on the volar side of the malunited distal radius can also cause flexor tendon rupture. About 30 cases have been reported in literature. There were only four case reports about the delayed rupture of the 2nd, 3rd, 4th, and 5th flexor tendons. In this case, we experienced flexor digitorum superficialis and flexor digitorum profundus tendon ruptures of the index, middle, ring, and little fingers, after 8 months following the malunion of a distal radius fracture. At two years follow-up after tendon graft and corrective osteotomy, the range of motion and motor weakness of the 2nd, 3rd, 4th, and 5th fingers improved. 
		                        		
		                        		
		                        		
		                        	
10.Activation of NLRP3 Inflammasome by Palmitic Acid in Human Sebocytes
Yu-Ra JUNG ; Jung-Min SHIN ; Chang-Hyeon KIM ; Sooil KIM ; Chang-Deok KIM ; Young-Joon SEO ; Jeung-Hoon LEE ; Myung IM ; Young LEE ; Young Ho LEE
Annals of Dermatology 2021;33(6):541-548
		                        		
		                        			 Background:
		                        			Sebocytes are the main cells involved in the pathogenesis of acne by producing lipids and inflammatory cytokines. Although palmitic acid (PA) has been suggested to induce an inflammatory reaction, its effect on sebocytes remains to be elucidated. 
		                        		
		                        			Objective:
		                        			In the present study, we investigated whether PA promotes inflammasome-mediated inflammation of sebocytes both in vivo and in vitro. 
		                        		
		                        			Methods:
		                        			We intradermally injected PA into the mice ears. And, we treated cultured human sebocytes with PA. Inflammasome-mediated inflammation was verified by immunohistochemistry, Western blot and ELISA. 
		                        		
		                        			Results:
		                        			PA-treated mice developed an inflammatory response associated with increased interleukin (IL)-1β expression in the sebaceous glands. When PA was added to cultured human sebocytes, caspase-1 activation and IL-1β secretion were significantly enhanced. In addition, NLRP3 knockdown attenuated IL-1β production by sebocytes stimulated with PA. PA-mediated inflammasome activation required reactive oxygen species. 
		                        		
		                        			Conclusion
		                        			These findings indicate that PA activates the NLRP3 inflammasome before induction of an inflammatory response in sebocytes. Thus, PA may play a role in the inflammation of acne 
		                        		
		                        		
		                        		
		                        	
            
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