1.Potential Unnecessity of Bismuth in Standard Triple Therapy for Clarithromycin-Susceptible Helicobacter pylori Infection
Seon Woo OH ; Keun Sol MIN ; Hyung Geun KIM ; Sunmi LEE ; Chul-Hyun LIM ; Jung-Hwan OH
The Korean Journal of Helicobacter and Upper Gastrointestinal Research 2025;25(1):48-53
		                        		
		                        			 Objectives:
		                        			The standard first-line treatment for Helicobacter pylori infection typically involves proton pump inhibitors, amoxicillin, and clarithromycin (PAC), yet the eradication success rates are not entirely satisfactory. Recognizing bismuth’s antibacterial properties and its potential to enhance antibiotic efficacy, this study compared the eradication success rates of a 7-day course of PAC with bismuth (PACB) versus PAC alone in patients with clarithromycin-susceptible H. pylori infections. 
		                        		
		                        			Methods:
		                        			We conducted a retrospective review at Eunpyeong St. Mary’s Hospital involving 499 patients with confirmed clarithromycin-susceptible H. pylori infection. These patients were treated either with PACB or PAC for 7 days. Clarithromycin resistance-associated point mutations were evaluated using reverse transcriptase polymerase chain reaction. Successful eradication was confirmed by a negative 13C-urea breath test. 
		                        		
		                        			Results:
		                        			Of the patients, 261 received PACB therapy, and 238 received PAC therapy. The intention-to-treat analysis showed eradication success rates of 82.8% (216/261) for PACB and 89.1% (212/238) for PAC (p=0.093). The per-protocol analysis revealed eradication rates of 85.3% (215/252) for PACB and 90.5% (210/232) for PAC (p=0.081). The incidence of adverse effects was similar between the two groups, with 41.3% (104/252) in the PACB group and 34.1% (79/232) in the PAC group (p=0.102). 
		                        		
		                        			Conclusions
		                        			Adding bismuth to the standard 7-day PAC regimen did not significantly increase eradication rates in patients with clarithromycin-susceptible H. pylori infections compared to PAC alone. 
		                        		
		                        		
		                        		
		                        	
2.Validation of Devices for the Five Times Sit To Stand Test:Comparing Plantar Pressure and Head Motion Analysis with Manual Measurement
Sanghyun JEE ; Chan Woong JANG ; Kyoungmin PARK ; Sanghoon SHIN ; Min-Chul PAEK ; Jung Hyun PARK
Yonsei Medical Journal 2025;66(1):51-57
		                        		
		                        			 Purpose:
		                        			This study aims to evaluate a new method for the five times sit to stand test (FTSST), crucial for addressing frailty in an aging population. It utilizes a smart insole for plantar pressure analysis and a marker-less motion capture device for head height analysis. 
		                        		
		                        			Materials and Methods:
		                        			Thirty-five participants aged 50 years or older underwent FTSST assessment using three methods: manual measurement with a stopwatch (FTSST-M), plantar pressure analysis with smart insoles (FTSST-P), and head height analysis with a marker-less motion capture device (FTSST-H). Simultaneous measurements using three methods were done. Correlation between results of these methods were analyzed using intraclass correlation coefficient (ICC) and κ coefficient. Comprehensive clinical examinations were conducted with ethical approval. 
		                        		
		                        			Results:
		                        			Participants’ mean scores for FTSST-M, FTSST-P, and FTSST-H were 2.43±1.20, 2.43±1.29, and 2.37±1.31, respectively. Correlations of the times and corresponding scores between FTSST-P and FTSST-M, as well as FTSST-H and FTSST-M, exceeded 0.9 (ICC and κ coefficients, p<0.001). Using an FTSST score of 3 or less to indicate vulnerability, the κ value for vulnerability classification between two measurements was 0.886 (p<0.001). 
		                        		
		                        			Conclusion
		                        			This study showed strong correlation between FTSST results using smart insoles and marker-less motion capture, compared to conventional methods. These findings highlight the potential of these technologies for precise FTSST measurements, offering convenience and cost-effectiveness. Simultaneous use of these devices enables diverse analyses, enhancing our understanding of frailty. 
		                        		
		                        		
		                        		
		                        	
3.Educational Level Modifies the Relationship between Standard Deviation of NN Intervals and Post-traumatic Stress Disorder Development over Two-years
Ji Min YOO ; Ju-Wan KIM ; Hee-Ju KANG ; Hyunseok JANG ; Jung-Chul KIM ; Ju-Yeon LEE ; Sung-Wan KIM ; Il-Seon SHIN ; Jae-Min KIM
Clinical Psychopharmacology and Neuroscience 2025;23(1):155-160
		                        		
		                        			 Objective:
		                        			This study investigated how educational levels modify the relationship between the standard deviation of NN intervals (SDNN) of heart rate variability and the development of post-traumatic stress disorder (PTSD). 
		                        		
		                        			Methods:
		                        			Participants with physical injuries were enrolled from a trauma center and monitored over two years. Initial assessments included SDNN and educational attainment, along with socio-demographic and clinical variables. PTSD diagnoses were made at 3, 6, 12, and 24 months post-injury using the Clinician-Administered PTSD Scale for DSM-5.Logistic regression analyses were conducted. 
		                        		
		                        			Results:
		                        			Of the 538 participants, 58 (10.8%) developed PTSD during the follow-up period. A significant interaction effect was observed: lower SDNN was significantly linked to PTSD in individuals with higher education, but not in those with lower education. 
		                        		
		                        			Conclusion
		                        			The study identified education-dependent associations between SDNN and PTSD development, emphasizing the importance of tailored PTSD prevention strategies that consider both SDNN and educational levels. 
		                        		
		                        		
		                        		
		                        	
4.Potential Unnecessity of Bismuth in Standard Triple Therapy for Clarithromycin-Susceptible Helicobacter pylori Infection
Seon Woo OH ; Keun Sol MIN ; Hyung Geun KIM ; Sunmi LEE ; Chul-Hyun LIM ; Jung-Hwan OH
The Korean Journal of Helicobacter and Upper Gastrointestinal Research 2025;25(1):48-53
		                        		
		                        			 Objectives:
		                        			The standard first-line treatment for Helicobacter pylori infection typically involves proton pump inhibitors, amoxicillin, and clarithromycin (PAC), yet the eradication success rates are not entirely satisfactory. Recognizing bismuth’s antibacterial properties and its potential to enhance antibiotic efficacy, this study compared the eradication success rates of a 7-day course of PAC with bismuth (PACB) versus PAC alone in patients with clarithromycin-susceptible H. pylori infections. 
		                        		
		                        			Methods:
		                        			We conducted a retrospective review at Eunpyeong St. Mary’s Hospital involving 499 patients with confirmed clarithromycin-susceptible H. pylori infection. These patients were treated either with PACB or PAC for 7 days. Clarithromycin resistance-associated point mutations were evaluated using reverse transcriptase polymerase chain reaction. Successful eradication was confirmed by a negative 13C-urea breath test. 
		                        		
		                        			Results:
		                        			Of the patients, 261 received PACB therapy, and 238 received PAC therapy. The intention-to-treat analysis showed eradication success rates of 82.8% (216/261) for PACB and 89.1% (212/238) for PAC (p=0.093). The per-protocol analysis revealed eradication rates of 85.3% (215/252) for PACB and 90.5% (210/232) for PAC (p=0.081). The incidence of adverse effects was similar between the two groups, with 41.3% (104/252) in the PACB group and 34.1% (79/232) in the PAC group (p=0.102). 
		                        		
		                        			Conclusions
		                        			Adding bismuth to the standard 7-day PAC regimen did not significantly increase eradication rates in patients with clarithromycin-susceptible H. pylori infections compared to PAC alone. 
		                        		
		                        		
		                        		
		                        	
5.Validation of Devices for the Five Times Sit To Stand Test:Comparing Plantar Pressure and Head Motion Analysis with Manual Measurement
Sanghyun JEE ; Chan Woong JANG ; Kyoungmin PARK ; Sanghoon SHIN ; Min-Chul PAEK ; Jung Hyun PARK
Yonsei Medical Journal 2025;66(1):51-57
		                        		
		                        			 Purpose:
		                        			This study aims to evaluate a new method for the five times sit to stand test (FTSST), crucial for addressing frailty in an aging population. It utilizes a smart insole for plantar pressure analysis and a marker-less motion capture device for head height analysis. 
		                        		
		                        			Materials and Methods:
		                        			Thirty-five participants aged 50 years or older underwent FTSST assessment using three methods: manual measurement with a stopwatch (FTSST-M), plantar pressure analysis with smart insoles (FTSST-P), and head height analysis with a marker-less motion capture device (FTSST-H). Simultaneous measurements using three methods were done. Correlation between results of these methods were analyzed using intraclass correlation coefficient (ICC) and κ coefficient. Comprehensive clinical examinations were conducted with ethical approval. 
		                        		
		                        			Results:
		                        			Participants’ mean scores for FTSST-M, FTSST-P, and FTSST-H were 2.43±1.20, 2.43±1.29, and 2.37±1.31, respectively. Correlations of the times and corresponding scores between FTSST-P and FTSST-M, as well as FTSST-H and FTSST-M, exceeded 0.9 (ICC and κ coefficients, p<0.001). Using an FTSST score of 3 or less to indicate vulnerability, the κ value for vulnerability classification between two measurements was 0.886 (p<0.001). 
		                        		
		                        			Conclusion
		                        			This study showed strong correlation between FTSST results using smart insoles and marker-less motion capture, compared to conventional methods. These findings highlight the potential of these technologies for precise FTSST measurements, offering convenience and cost-effectiveness. Simultaneous use of these devices enables diverse analyses, enhancing our understanding of frailty. 
		                        		
		                        		
		                        		
		                        	
6.Potential Unnecessity of Bismuth in Standard Triple Therapy for Clarithromycin-Susceptible Helicobacter pylori Infection
Seon Woo OH ; Keun Sol MIN ; Hyung Geun KIM ; Sunmi LEE ; Chul-Hyun LIM ; Jung-Hwan OH
The Korean Journal of Helicobacter and Upper Gastrointestinal Research 2025;25(1):48-53
		                        		
		                        			 Objectives:
		                        			The standard first-line treatment for Helicobacter pylori infection typically involves proton pump inhibitors, amoxicillin, and clarithromycin (PAC), yet the eradication success rates are not entirely satisfactory. Recognizing bismuth’s antibacterial properties and its potential to enhance antibiotic efficacy, this study compared the eradication success rates of a 7-day course of PAC with bismuth (PACB) versus PAC alone in patients with clarithromycin-susceptible H. pylori infections. 
		                        		
		                        			Methods:
		                        			We conducted a retrospective review at Eunpyeong St. Mary’s Hospital involving 499 patients with confirmed clarithromycin-susceptible H. pylori infection. These patients were treated either with PACB or PAC for 7 days. Clarithromycin resistance-associated point mutations were evaluated using reverse transcriptase polymerase chain reaction. Successful eradication was confirmed by a negative 13C-urea breath test. 
		                        		
		                        			Results:
		                        			Of the patients, 261 received PACB therapy, and 238 received PAC therapy. The intention-to-treat analysis showed eradication success rates of 82.8% (216/261) for PACB and 89.1% (212/238) for PAC (p=0.093). The per-protocol analysis revealed eradication rates of 85.3% (215/252) for PACB and 90.5% (210/232) for PAC (p=0.081). The incidence of adverse effects was similar between the two groups, with 41.3% (104/252) in the PACB group and 34.1% (79/232) in the PAC group (p=0.102). 
		                        		
		                        			Conclusions
		                        			Adding bismuth to the standard 7-day PAC regimen did not significantly increase eradication rates in patients with clarithromycin-susceptible H. pylori infections compared to PAC alone. 
		                        		
		                        		
		                        		
		                        	
7.Validation of Devices for the Five Times Sit To Stand Test:Comparing Plantar Pressure and Head Motion Analysis with Manual Measurement
Sanghyun JEE ; Chan Woong JANG ; Kyoungmin PARK ; Sanghoon SHIN ; Min-Chul PAEK ; Jung Hyun PARK
Yonsei Medical Journal 2025;66(1):51-57
		                        		
		                        			 Purpose:
		                        			This study aims to evaluate a new method for the five times sit to stand test (FTSST), crucial for addressing frailty in an aging population. It utilizes a smart insole for plantar pressure analysis and a marker-less motion capture device for head height analysis. 
		                        		
		                        			Materials and Methods:
		                        			Thirty-five participants aged 50 years or older underwent FTSST assessment using three methods: manual measurement with a stopwatch (FTSST-M), plantar pressure analysis with smart insoles (FTSST-P), and head height analysis with a marker-less motion capture device (FTSST-H). Simultaneous measurements using three methods were done. Correlation between results of these methods were analyzed using intraclass correlation coefficient (ICC) and κ coefficient. Comprehensive clinical examinations were conducted with ethical approval. 
		                        		
		                        			Results:
		                        			Participants’ mean scores for FTSST-M, FTSST-P, and FTSST-H were 2.43±1.20, 2.43±1.29, and 2.37±1.31, respectively. Correlations of the times and corresponding scores between FTSST-P and FTSST-M, as well as FTSST-H and FTSST-M, exceeded 0.9 (ICC and κ coefficients, p<0.001). Using an FTSST score of 3 or less to indicate vulnerability, the κ value for vulnerability classification between two measurements was 0.886 (p<0.001). 
		                        		
		                        			Conclusion
		                        			This study showed strong correlation between FTSST results using smart insoles and marker-less motion capture, compared to conventional methods. These findings highlight the potential of these technologies for precise FTSST measurements, offering convenience and cost-effectiveness. Simultaneous use of these devices enables diverse analyses, enhancing our understanding of frailty. 
		                        		
		                        		
		                        		
		                        	
8.Eligibility for Lecanemab Treatment in the Republic of Korea:Real-World Data From Memory Clinics
Sung Hoon KANG ; Jee Hyang JEONG ; Jung-Min PYUN ; Geon Ha KIM ; Young Ho PARK ; YongSoo SHIM ; Seong-Ho KOH ; Chi-Hun KIM ; Young Chul YOUN ; Dong Won YANG ; Hyuk-je LEE ; Han LEE ; Dain KIM ; Kyunghwa SUN ; So Young MOON ; Kee Hyung PARK ; Seong Hye CHOI
Journal of Clinical Neurology 2025;21(3):182-189
		                        		
		                        			 Background:
		                        			and Purpose We aimed to determine the proportion of Korean patients with early Alzheimer’s disease (AD) who are eligible to receive lecanemab based on the United States Appropriate Use Recommendations (US AUR), and also identify the barriers to this treatment. 
		                        		
		                        			Methods:
		                        			We retrospectively enrolled 6,132 patients with amnestic mild cognitive impairment or mild amnestic dementia at 13 hospitals from June 2023 to May 2024. Among them, 2,058 patients underwent amyloid positron emission tomography (PET) and 1,199 (58.3%) of these patients were amyloid-positive on PET. We excluded 732 patients who did not undergo brain magnetic resonance imaging between June 2023 and May 2024. Finally, 467 patients were included in the present study. 
		                        		
		                        			Results:
		                        			When applying the criteria of the US AUR, approximately 50% of patients with early AD were eligible to receive lecanemab treatment. Among the 467 included patients, 36.8% did not meet the inclusion criterion of a Mini-Mental State Examination (MMSE) score of ≥22. 
		                        		
		                        			Conclusions
		                        			Eligibility for lecanemab treatment was not restricted to Korean patients with early AD except for those with an MMSE score of ≥22. The MMSE criteria should therefore be reconsidered in areas with a higher proportion of older people, who tend to have lower levels of education. 
		                        		
		                        		
		                        		
		                        	
9.Educational Level Modifies the Relationship between Standard Deviation of NN Intervals and Post-traumatic Stress Disorder Development over Two-years
Ji Min YOO ; Ju-Wan KIM ; Hee-Ju KANG ; Hyunseok JANG ; Jung-Chul KIM ; Ju-Yeon LEE ; Sung-Wan KIM ; Il-Seon SHIN ; Jae-Min KIM
Clinical Psychopharmacology and Neuroscience 2025;23(1):155-160
		                        		
		                        			 Objective:
		                        			This study investigated how educational levels modify the relationship between the standard deviation of NN intervals (SDNN) of heart rate variability and the development of post-traumatic stress disorder (PTSD). 
		                        		
		                        			Methods:
		                        			Participants with physical injuries were enrolled from a trauma center and monitored over two years. Initial assessments included SDNN and educational attainment, along with socio-demographic and clinical variables. PTSD diagnoses were made at 3, 6, 12, and 24 months post-injury using the Clinician-Administered PTSD Scale for DSM-5.Logistic regression analyses were conducted. 
		                        		
		                        			Results:
		                        			Of the 538 participants, 58 (10.8%) developed PTSD during the follow-up period. A significant interaction effect was observed: lower SDNN was significantly linked to PTSD in individuals with higher education, but not in those with lower education. 
		                        		
		                        			Conclusion
		                        			The study identified education-dependent associations between SDNN and PTSD development, emphasizing the importance of tailored PTSD prevention strategies that consider both SDNN and educational levels. 
		                        		
		                        		
		                        		
		                        	
10.Educational Level Modifies the Relationship between Standard Deviation of NN Intervals and Post-traumatic Stress Disorder Development over Two-years
Ji Min YOO ; Ju-Wan KIM ; Hee-Ju KANG ; Hyunseok JANG ; Jung-Chul KIM ; Ju-Yeon LEE ; Sung-Wan KIM ; Il-Seon SHIN ; Jae-Min KIM
Clinical Psychopharmacology and Neuroscience 2025;23(1):155-160
		                        		
		                        			 Objective:
		                        			This study investigated how educational levels modify the relationship between the standard deviation of NN intervals (SDNN) of heart rate variability and the development of post-traumatic stress disorder (PTSD). 
		                        		
		                        			Methods:
		                        			Participants with physical injuries were enrolled from a trauma center and monitored over two years. Initial assessments included SDNN and educational attainment, along with socio-demographic and clinical variables. PTSD diagnoses were made at 3, 6, 12, and 24 months post-injury using the Clinician-Administered PTSD Scale for DSM-5.Logistic regression analyses were conducted. 
		                        		
		                        			Results:
		                        			Of the 538 participants, 58 (10.8%) developed PTSD during the follow-up period. A significant interaction effect was observed: lower SDNN was significantly linked to PTSD in individuals with higher education, but not in those with lower education. 
		                        		
		                        			Conclusion
		                        			The study identified education-dependent associations between SDNN and PTSD development, emphasizing the importance of tailored PTSD prevention strategies that consider both SDNN and educational levels. 
		                        		
		                        		
		                        		
		                        	
            
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