1.Appropriate Sedation for Safe Endoscopic Retrograde Cholangiopancreatography
Han Taek JEONG ; Tae Hyeon KIM
Korean Journal of Pancreas and Biliary Tract 2025;30(2):54-61
		                        		
		                        			
		                        			 Administering sedation for endoscopic retrograde cholangiopancreatography (ERCP) involves using medications to reduce the patient's level of consciousness during a procedure, which can alleviate patient anxiety and discomfort, and improve clinical outcomes. Due to the complexity of the procedure and physiological changes induced by the prone position, meticulous sedation management is essential during ERCP. Before the procedure, a detailed history taking and physical examination are important. If the Mallampati or American Society of Anesthesiologists classification scores are high, anesthesia provider assistance should be considered. Both standard sedation with a combination of midazolam and opioids and balanced propofol sedation can be used safely. During the procedure, monitoring of vital signs, oxygen saturation, and electrocardiogram is important. For high-risk patients, capnography should also be considered. In particular, personalized approaches, including dosage adjustments and more vigilant monitoring during the procedure, are critical for high-risk patients. To ensure safe ERCP, endoscopists must be familiar with the characteristics of sedatives, as well as the types and dosages of antagonists. To prevent hypoxia during the procedure, preoxygenation and the use of high-flow nasal cannula can be considered, and a laryngeal mask can be useful if intubation is difficult in emergency situations. Above all, care must be taken to avoid excessive doses of sedatives, and it is crucial to continually assess the necessity of ERCP for each patient. 
		                        		
		                        		
		                        		
		                        	
2.Virtual Reality-Based Cognitive Behavior Therapy for Major Depressive Disorder: An Alternative to Pharmacotherapy for Reducing Suicidality
Miwoo LEE ; Sooah JANG ; Hyun Kyung SHIN ; Sun-Woo CHOI ; Hyung Taek KIM ; Jihee OH ; Ji Hye KWON ; Youngjun CHOI ; Suzi KANG ; In-Seong BACK ; Jae-Ki KIM ; San LEE ; Jeong-Ho SEOK
Yonsei Medical Journal 2025;66(1):25-36
		                        		
		                        			 Purpose:
		                        			Cognitive behavioral therapy (CBT) has long been recognized as an effective treatment for depression and suicidality.Virtual reality (VR) technology is widely used for cognitive training for conditions such as anxiety disorder and post-traumatic stress disorder, but little research has considered VR-based CBT for depressive symptoms and suicidality. We tested the effectiveness and safety of a VR-based CBT program for depressive disorders. 
		                        		
		                        			Materials and Methods:
		                        			We recruited 57 participants from May 2022 through February 2023 using online advertisements. This multi-center, assessor-blinded, randomized, controlled exploratory trial used two groups: VR treatment group and treat as usual (TAU) group. VR treatment group received a VR mental health training/education program. TAU group received standard pharmacotherapy. Assessments were conducted at baseline, immediately after the 6-week treatment period, and 4 weeks after the end of the treatment period in each group. 
		                        		
		                        			Results:
		                        			Depression scores decreased significantly over time in both VR treatment and TAU groups, with no differences between the two groups. The suicidality score decreased significantly only in VR group. No group differences were found in the remission or response rate for depression, perceived stress, or clinical severity. No adverse events or motion sickness occurred during the VR treatment program. 
		                        		
		                        			Conclusion
		                        			VR CBT treatment for major depressive disorder has the potential to be equivalent to the gold-standard pharmacotherapy in reducing depressive symptoms, suicidality, and related clinical symptoms, with no difference in improvement found in this study. Thus, VR-based CBT might be an effective alternative to pharmacotherapy for depressive disorders. 
		                        		
		                        		
		                        		
		                        	
3.Tocilizumab for Patients with Severe Fever with Thrombocytopenia Syndrome: Tocilizumab Observational SFTS Study-1
Jeong Rae YOO ; Misun KIM ; Myeong Jin KANG ; Sora KIM ; Keun Hwa LEE ; Sang Taek HEO
Yonsei Medical Journal 2025;66(5):321-327
		                        		
		                        			
		                        			 There is no established treatment for severe fever with thrombocytopenia syndrome (SFTS). However, the potential role of tocilizumab (TCZ) in cytokine storm modulation warrants further investigation. In this study, we aimed to investigate the therapeutic potential of TCZ in adult patients with SFTS and provide valuable insights into the development of effective treatment strategies for this challenging infectious disease by assessing the impact of TCZ on cytokine dynamics and patient outcomes. This prospective longitudinal observational study included adult patients with SFTS at a teaching hospital in Korea between April 2013 and December 2023. Patients with SFTS and interleukin (IL)-6 levels ≥30 ng/mL received TCZ. The 14- and 28-day mortality rates were compared between the TCZ and therapeutic plasma exchange (TPE) groups during the study period. Among the total of 97 patients, the clinical characteristics showed no significant differences between the TCZ (n=10) and TPE groups (n=30). Compared with TPE, TCZ treatment showed a trend towards lower mortality rate (14-day mortality rate: 10.0% vs. 16.7%, p=0.608; 28-day mortality rate:10.0% vs. 20.0%, p=0.480). Both treatments showed the potential to reduce the viral load and IL-6 levels, indicating their efficacy in managing the disease course. TCZ is a potential therapeutic option for SFTS as it modulates IL-6 levels and improves clinical outcomes. 
		                        		
		                        		
		                        		
		                        	
4.Outcomes of Deferring Percutaneous Coronary Intervention Without Physiologic Assessment for Intermediate Coronary Lesions
Jihoon KIM ; Seong-Hoon LIM ; Joo-Yong HAHN ; Jin-Ok JEONG ; Yong Hwan PARK ; Woo Jung CHUN ; Ju Hyeon OH ; Dae Kyoung CHO ; Yu Jeong CHOI ; Eul-Soon IM ; Kyung-Heon WON ; Sung Yun LEE ; Sang-Wook KIM ; Ki Hong CHOI ; Joo Myung LEE ; Taek Kyu PARK ; Jeong Hoon YANG ; Young Bin SONG ; Seung-Hyuk CHOI ; Hyeon-Cheol GWON
Korean Circulation Journal 2025;55(3):185-195
		                        		
		                        			 Background and Objectives:
		                        			Outcomes of deferring percutaneous coronary intervention (PCI) without invasive physiologic assessment for intermediate coronary lesions is uncertain.We sought to compare long-term outcomes between medical treatment and PCI of intermediate lesions without invasive physiologic assessment. 
		                        		
		                        			Methods:
		                        			A total of 899 patients with intermediate coronary lesions between 50% and 70% diameter-stenosis were randomized to the conservative group (n=449) or the aggressive group (n=450). For intermediate lesions, PCI was performed in the aggressive group, but was deferred in the conservative group. The primary endpoint was major adverse cardiac events (MACE, a composite of all-cause death, myocardial infarction [MI], or ischemia-driven any revascularization) at 3 years. 
		                        		
		                        			Results:
		                        			The number of treated lesions per patient was 0.8±0.9 in the conservative group and 1.7±0.9 in the aggressive group (p=0.001). At 3 years, the conservative group had a significantly higher incidence of MACE than the aggressive group (13.8% vs. 9.3%; hazard ratio [HR], 1.49; 95% confidence interval [CI], 1.00–2.21; p=0.049), mainly driven by revascularization of target intermediate lesion (6.5% vs. 1.1%; HR, 5.69; 95% CI, 2.20–14.73;p<0.001). Between 1 and 3 years after the index procedure, compared to the aggressive group, the conservative group had significantly higher incidence of cardiac death or MI (3.2% vs.0.7%; HR, 4.34; 95% CI, 1.24–15.22; p=0.022) and ischemia-driven any revascularization. 
		                        		
		                        			Conclusions
		                        			For intermediate lesions, medical therapy alone, guided only by angiography, was associated with a higher risk of MACE at 3 years compared with performing PCI, mainly due to increased revascularization. 
		                        		
		                        		
		                        		
		                        	
5.Appropriate Sedation for Safe Endoscopic Retrograde Cholangiopancreatography
Han Taek JEONG ; Tae Hyeon KIM
Korean Journal of Pancreas and Biliary Tract 2025;30(2):54-61
		                        		
		                        			
		                        			 Administering sedation for endoscopic retrograde cholangiopancreatography (ERCP) involves using medications to reduce the patient's level of consciousness during a procedure, which can alleviate patient anxiety and discomfort, and improve clinical outcomes. Due to the complexity of the procedure and physiological changes induced by the prone position, meticulous sedation management is essential during ERCP. Before the procedure, a detailed history taking and physical examination are important. If the Mallampati or American Society of Anesthesiologists classification scores are high, anesthesia provider assistance should be considered. Both standard sedation with a combination of midazolam and opioids and balanced propofol sedation can be used safely. During the procedure, monitoring of vital signs, oxygen saturation, and electrocardiogram is important. For high-risk patients, capnography should also be considered. In particular, personalized approaches, including dosage adjustments and more vigilant monitoring during the procedure, are critical for high-risk patients. To ensure safe ERCP, endoscopists must be familiar with the characteristics of sedatives, as well as the types and dosages of antagonists. To prevent hypoxia during the procedure, preoxygenation and the use of high-flow nasal cannula can be considered, and a laryngeal mask can be useful if intubation is difficult in emergency situations. Above all, care must be taken to avoid excessive doses of sedatives, and it is crucial to continually assess the necessity of ERCP for each patient. 
		                        		
		                        		
		                        		
		                        	
6.Virtual Reality-Based Cognitive Behavior Therapy for Major Depressive Disorder: An Alternative to Pharmacotherapy for Reducing Suicidality
Miwoo LEE ; Sooah JANG ; Hyun Kyung SHIN ; Sun-Woo CHOI ; Hyung Taek KIM ; Jihee OH ; Ji Hye KWON ; Youngjun CHOI ; Suzi KANG ; In-Seong BACK ; Jae-Ki KIM ; San LEE ; Jeong-Ho SEOK
Yonsei Medical Journal 2025;66(1):25-36
		                        		
		                        			 Purpose:
		                        			Cognitive behavioral therapy (CBT) has long been recognized as an effective treatment for depression and suicidality.Virtual reality (VR) technology is widely used for cognitive training for conditions such as anxiety disorder and post-traumatic stress disorder, but little research has considered VR-based CBT for depressive symptoms and suicidality. We tested the effectiveness and safety of a VR-based CBT program for depressive disorders. 
		                        		
		                        			Materials and Methods:
		                        			We recruited 57 participants from May 2022 through February 2023 using online advertisements. This multi-center, assessor-blinded, randomized, controlled exploratory trial used two groups: VR treatment group and treat as usual (TAU) group. VR treatment group received a VR mental health training/education program. TAU group received standard pharmacotherapy. Assessments were conducted at baseline, immediately after the 6-week treatment period, and 4 weeks after the end of the treatment period in each group. 
		                        		
		                        			Results:
		                        			Depression scores decreased significantly over time in both VR treatment and TAU groups, with no differences between the two groups. The suicidality score decreased significantly only in VR group. No group differences were found in the remission or response rate for depression, perceived stress, or clinical severity. No adverse events or motion sickness occurred during the VR treatment program. 
		                        		
		                        			Conclusion
		                        			VR CBT treatment for major depressive disorder has the potential to be equivalent to the gold-standard pharmacotherapy in reducing depressive symptoms, suicidality, and related clinical symptoms, with no difference in improvement found in this study. Thus, VR-based CBT might be an effective alternative to pharmacotherapy for depressive disorders. 
		                        		
		                        		
		                        		
		                        	
7.Tocilizumab for Patients with Severe Fever with Thrombocytopenia Syndrome: Tocilizumab Observational SFTS Study-1
Jeong Rae YOO ; Misun KIM ; Myeong Jin KANG ; Sora KIM ; Keun Hwa LEE ; Sang Taek HEO
Yonsei Medical Journal 2025;66(5):321-327
		                        		
		                        			
		                        			 There is no established treatment for severe fever with thrombocytopenia syndrome (SFTS). However, the potential role of tocilizumab (TCZ) in cytokine storm modulation warrants further investigation. In this study, we aimed to investigate the therapeutic potential of TCZ in adult patients with SFTS and provide valuable insights into the development of effective treatment strategies for this challenging infectious disease by assessing the impact of TCZ on cytokine dynamics and patient outcomes. This prospective longitudinal observational study included adult patients with SFTS at a teaching hospital in Korea between April 2013 and December 2023. Patients with SFTS and interleukin (IL)-6 levels ≥30 ng/mL received TCZ. The 14- and 28-day mortality rates were compared between the TCZ and therapeutic plasma exchange (TPE) groups during the study period. Among the total of 97 patients, the clinical characteristics showed no significant differences between the TCZ (n=10) and TPE groups (n=30). Compared with TPE, TCZ treatment showed a trend towards lower mortality rate (14-day mortality rate: 10.0% vs. 16.7%, p=0.608; 28-day mortality rate:10.0% vs. 20.0%, p=0.480). Both treatments showed the potential to reduce the viral load and IL-6 levels, indicating their efficacy in managing the disease course. TCZ is a potential therapeutic option for SFTS as it modulates IL-6 levels and improves clinical outcomes. 
		                        		
		                        		
		                        		
		                        	
8.Appropriate Sedation for Safe Endoscopic Retrograde Cholangiopancreatography
Han Taek JEONG ; Tae Hyeon KIM
Korean Journal of Pancreas and Biliary Tract 2025;30(2):54-61
		                        		
		                        			
		                        			 Administering sedation for endoscopic retrograde cholangiopancreatography (ERCP) involves using medications to reduce the patient's level of consciousness during a procedure, which can alleviate patient anxiety and discomfort, and improve clinical outcomes. Due to the complexity of the procedure and physiological changes induced by the prone position, meticulous sedation management is essential during ERCP. Before the procedure, a detailed history taking and physical examination are important. If the Mallampati or American Society of Anesthesiologists classification scores are high, anesthesia provider assistance should be considered. Both standard sedation with a combination of midazolam and opioids and balanced propofol sedation can be used safely. During the procedure, monitoring of vital signs, oxygen saturation, and electrocardiogram is important. For high-risk patients, capnography should also be considered. In particular, personalized approaches, including dosage adjustments and more vigilant monitoring during the procedure, are critical for high-risk patients. To ensure safe ERCP, endoscopists must be familiar with the characteristics of sedatives, as well as the types and dosages of antagonists. To prevent hypoxia during the procedure, preoxygenation and the use of high-flow nasal cannula can be considered, and a laryngeal mask can be useful if intubation is difficult in emergency situations. Above all, care must be taken to avoid excessive doses of sedatives, and it is crucial to continually assess the necessity of ERCP for each patient. 
		                        		
		                        		
		                        		
		                        	
9.Virtual Reality-Based Cognitive Behavior Therapy for Major Depressive Disorder: An Alternative to Pharmacotherapy for Reducing Suicidality
Miwoo LEE ; Sooah JANG ; Hyun Kyung SHIN ; Sun-Woo CHOI ; Hyung Taek KIM ; Jihee OH ; Ji Hye KWON ; Youngjun CHOI ; Suzi KANG ; In-Seong BACK ; Jae-Ki KIM ; San LEE ; Jeong-Ho SEOK
Yonsei Medical Journal 2025;66(1):25-36
		                        		
		                        			 Purpose:
		                        			Cognitive behavioral therapy (CBT) has long been recognized as an effective treatment for depression and suicidality.Virtual reality (VR) technology is widely used for cognitive training for conditions such as anxiety disorder and post-traumatic stress disorder, but little research has considered VR-based CBT for depressive symptoms and suicidality. We tested the effectiveness and safety of a VR-based CBT program for depressive disorders. 
		                        		
		                        			Materials and Methods:
		                        			We recruited 57 participants from May 2022 through February 2023 using online advertisements. This multi-center, assessor-blinded, randomized, controlled exploratory trial used two groups: VR treatment group and treat as usual (TAU) group. VR treatment group received a VR mental health training/education program. TAU group received standard pharmacotherapy. Assessments were conducted at baseline, immediately after the 6-week treatment period, and 4 weeks after the end of the treatment period in each group. 
		                        		
		                        			Results:
		                        			Depression scores decreased significantly over time in both VR treatment and TAU groups, with no differences between the two groups. The suicidality score decreased significantly only in VR group. No group differences were found in the remission or response rate for depression, perceived stress, or clinical severity. No adverse events or motion sickness occurred during the VR treatment program. 
		                        		
		                        			Conclusion
		                        			VR CBT treatment for major depressive disorder has the potential to be equivalent to the gold-standard pharmacotherapy in reducing depressive symptoms, suicidality, and related clinical symptoms, with no difference in improvement found in this study. Thus, VR-based CBT might be an effective alternative to pharmacotherapy for depressive disorders. 
		                        		
		                        		
		                        		
		                        	
10.Tocilizumab for Patients with Severe Fever with Thrombocytopenia Syndrome: Tocilizumab Observational SFTS Study-1
Jeong Rae YOO ; Misun KIM ; Myeong Jin KANG ; Sora KIM ; Keun Hwa LEE ; Sang Taek HEO
Yonsei Medical Journal 2025;66(5):321-327
		                        		
		                        			
		                        			 There is no established treatment for severe fever with thrombocytopenia syndrome (SFTS). However, the potential role of tocilizumab (TCZ) in cytokine storm modulation warrants further investigation. In this study, we aimed to investigate the therapeutic potential of TCZ in adult patients with SFTS and provide valuable insights into the development of effective treatment strategies for this challenging infectious disease by assessing the impact of TCZ on cytokine dynamics and patient outcomes. This prospective longitudinal observational study included adult patients with SFTS at a teaching hospital in Korea between April 2013 and December 2023. Patients with SFTS and interleukin (IL)-6 levels ≥30 ng/mL received TCZ. The 14- and 28-day mortality rates were compared between the TCZ and therapeutic plasma exchange (TPE) groups during the study period. Among the total of 97 patients, the clinical characteristics showed no significant differences between the TCZ (n=10) and TPE groups (n=30). Compared with TPE, TCZ treatment showed a trend towards lower mortality rate (14-day mortality rate: 10.0% vs. 16.7%, p=0.608; 28-day mortality rate:10.0% vs. 20.0%, p=0.480). Both treatments showed the potential to reduce the viral load and IL-6 levels, indicating their efficacy in managing the disease course. TCZ is a potential therapeutic option for SFTS as it modulates IL-6 levels and improves clinical outcomes. 
		                        		
		                        		
		                        		
		                        	
            
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