1.Effects of Cirsium japonicum var. maackii on avelliation of metabolic disease by improving insulin resistance
Hye-Bin YOON ; Yuseong JANG ; Hyeon-Gi PAIK ; Hwal CHOI ; Jihye CHOI ; Jungkee KWON
Laboratory Animal Research 2025;41(1):71-80
		                        		
		                        			 Background:
		                        			Metabolic syndrome (MetS) refers to a group of risk factors that cause health problems, such as obesity, diabetes, dyslipidemia, and hyperglycemia. MetS is characterized by insulin resistance, which leads to abnormal insulin sensitivity. Cirsium japonicum var. maackii (CJ) is perennial herbaceous species found in Asia that exhibits antioxidant, antidiabetic, antitumor, antifungal, and anti-inflammatory activities. In this study, we aimed to measure the effects of CJ on MetS by improving insulin resistance in a db/db type 2 diabetes mouse model. After administrating CJ extract (CJE) for db/db mouse for 6 weeks, we measured with the evaluation of Insulin resistance, lipid profiles, histological analysis of liver, damage of liver and kideny. 
		                        		
		                        			Results:
		                        			The results showed that CJE was effective in reducing body weight and fat mas and showed a positive effect on lowering blood glucose and improving insulin sensitivity. CJE improved dyslipidemia by increasing serum-HDL levels and decreasing serum-LDL levels. In addition, CJE reduced liver and kidney damage in histological analysis. 
		                        		
		                        			Conclusions
		                        			These results demonstrate the anti-diabetic effects of CJE and suggest its potential for improving MetS.Therefore, CJE may have potential values as a functional food material for managing MetS. 
		                        		
		                        		
		                        		
		                        	
2.18F-FDOPA PET/CT in Oncology: Procedural Guideline by the KoreanSociety of Nuclear Medicine
Yong-Jin PARK ; Joon Ho CHOI ; Hyunjong LEE ; Seung Hwan MOON ; Inki LEE ; Joohee LEE ; Jang YOO ; Joon Young CHOI ;
Nuclear Medicine and Molecular Imaging 2025;59(1):41-49
		                        		
		                        			
		                        			 This guideline outlines the use of 3,4-dihydroxy-6- 18F-fluoro-L-phenylalanine positron emission tomography / computed tomography for the diagnosis and management of neuroendocrine tumors, brain tumors, and other tumorous conditions. It provides detailed recommendations on patient preparation, imaging procedures, and result interpretation. Based on inter-national standards and adapted to local clinical practices, the guideline emphasizes safety, quality control, and the effec-tive application of 3,4-dihydroxy-6- 18F-fluoro-L-phenylalanine positron emission tomography / computed tomography for various tumors such as insulinomas, pheochromocytomas, and medullary thyroid carcinoma. It also addresses the use of premedication with carbidopa, fasting protocols, and optimal imaging techniques. The aim is to assist nuclear medicine professionals in delivering precise diagnoses, improving patient outcomes, and accommodating evolving medical knowl-edge and technology. This comprehensive document serves as a practical resource to enhance the accuracy, quality, and safety of 3,4-dihydroxy-6- 18F-fluoro-L-phenylalanine positron emission tomography / computed tomography in oncology. 
		                        		
		                        		
		                        		
		                        	
3.18F-FDOPA PET/CT in Oncology: Procedural Guideline by the KoreanSociety of Nuclear Medicine
Yong-Jin PARK ; Joon Ho CHOI ; Hyunjong LEE ; Seung Hwan MOON ; Inki LEE ; Joohee LEE ; Jang YOO ; Joon Young CHOI ;
Nuclear Medicine and Molecular Imaging 2025;59(1):41-49
		                        		
		                        			
		                        			 This guideline outlines the use of 3,4-dihydroxy-6- 18F-fluoro-L-phenylalanine positron emission tomography / computed tomography for the diagnosis and management of neuroendocrine tumors, brain tumors, and other tumorous conditions. It provides detailed recommendations on patient preparation, imaging procedures, and result interpretation. Based on inter-national standards and adapted to local clinical practices, the guideline emphasizes safety, quality control, and the effec-tive application of 3,4-dihydroxy-6- 18F-fluoro-L-phenylalanine positron emission tomography / computed tomography for various tumors such as insulinomas, pheochromocytomas, and medullary thyroid carcinoma. It also addresses the use of premedication with carbidopa, fasting protocols, and optimal imaging techniques. The aim is to assist nuclear medicine professionals in delivering precise diagnoses, improving patient outcomes, and accommodating evolving medical knowl-edge and technology. This comprehensive document serves as a practical resource to enhance the accuracy, quality, and safety of 3,4-dihydroxy-6- 18F-fluoro-L-phenylalanine positron emission tomography / computed tomography in oncology. 
		                        		
		                        		
		                        		
		                        	
4.Analyzing the Impact of Social Distancing Policies During COVID-19 on the Risk and Rescue of Suicide Attempters Presenting to the Emergency Department: Applying the Risk-Rescue Rating Scale
Seung Yeun JANG ; Hyo Jeong CHOI ; Hyunsik KIM ; Ho Jung KIM
Psychiatry Investigation 2025;22(2):175-185
		                        		
		                        			 Objective:
		                        			This study aimed to investigate characteristics of suicide attempters who visited the emergency department to identify physical risk factors and rescue factors, and to assess the impact of social distancing during coronavirus disease-2019 (COVID-19) on suicide attempters. 
		                        		
		                        			Methods:
		                        			The study utilized data from the medical records of suicide attempters who visited the Bucheon Regional Emergency Medical Center of Soonchunhyang University Bucheon Hospital for 3 years from 2019 and the consultation records of the Life Love Crisis Response Team. This cross-sectional study analyzed changes in risk and rescue characteristics of suicide attempters before, during, and after the implementation of social distancing policies. The Risk-Rescue Rating Scale (RRRS) was used to assess the risk and rescue of suicide attempters. 
		                        		
		                        			Results:
		                        			During the implementation of social distancing, the RRRS for physical risk demonstrated a 1.67-fold increase in low-risk cases, which further escalated to a 2.39-fold increase post-implementation compared to the period prior to social distancing. Additionally, the RRRS indicated that behaviors became 1.44 times less rescued amid social distancing, with increased tendencies to conceal the act to evade detection and a reluctance to seek help (p<0.001). 
		                        		
		                        			Conclusion
		                        			Our findings indicate that it is important to develop suicide prevention programs for low-risk suicide attempts and to identify the characteristics of suicide attempts that occur during large-scale social isolation, such as infectious diseases, in order to develop strategies for suicide prevention in the future. 
		                        		
		                        		
		                        		
		                        	
5.Quality of Life in Women With Gestational Diabetes Mellitus and Treatment Satisfaction Upon Intermittently Scanned Continuous Glucose Monitoring
Sookyung WON ; Hyeon Ji KIM ; Jee Yoon PARK ; Kyung Joon OH ; Sung Hee CHOI ; Hak Chul JANG ; Joon Ho MOON
Journal of Korean Medical Science 2025;40(15):e46-
		                        		
		                        			 Background:
		                        			To assess the quality of life (QoL) and treatment satisfaction with intermittently-scanned continuous glucose monitoring (isCGM) in women with gestational diabetes mellitus (GDM). 
		                        		
		                        			Methods:
		                        			This prospective observational study included 189 women with GDM who completed the Korean version of the Audit of Diabetes-Dependent Quality of Life Questionnaire (K-ADDQoL). Among them, 25 women who utilized isCGM between gestational weeks 30 and 34 completed the Korean version of the Diabetes Treatment Satisfaction Questionnaire change version (K-DTSQc) to evaluate their satisfaction with isCGM during pregnancy. 
		                        		
		                        			Results:
		                        			GDM had a negative impact on the perceived QoL in 89.4% of the women. All 19 domains of the K-ADDQoL were adversely influenced by GDM, with the most significant impact on the freedom to eat (weighted impact score, −6.98 ± 2.49, P < 0.001) and the least impact on the sex life (−0.25 ± 0.80, P = 0.008). Younger women and those treated with insulin perceived themselves as being more affected in their QoL due to GDM. Women perceived to have less effect on their QoL attributed to GDM exhibited higher ΔHbA1c one year after delivery (ΔHbA1c, 0.3 ± 0.4% vs. 0.0 ± 0.4% in less affected vs. more affected women). The utilization of isCGM improved treatment satisfaction (overall satisfaction score, 10.36 ± 9.21, P < 0.001), independent of glycemic control during pregnancy. 
		                        		
		                        			Conclusion
		                        			Although GDM negatively affects the perceived QoL during pregnancy, attentiveness to GDM management may have a positive impact on long-term glycemic control.Moreover, employing isCGM can enhance treatment satisfaction in women with GDM. 
		                        		
		                        		
		                        		
		                        	
6.Effects of Genetic Risk and Lifestyle Habits on Gout: A Korean Cohort Study
Hyunjung KIM ; Hyunsue DO ; Chang-Nam SON ; Jae-Won JANG ; Sun Shim CHOI ; Ki Won MOON
Journal of Korean Medical Science 2025;40(2):e1-
		                        		
		                        			 Background:
		                        			Gout is a type of inflammatory arthritis caused by monosodium urate crystal deposits, and the prevalence of this condition has been increasing. This study aimed to determine the combined effects of genetic risk factors and lifestyle habits on gout, using data from a Korean cohort study. Identifying high-risk individuals in advance can help prevent gout and its associated disorders. 
		                        		
		                        			Methods:
		                        			We analyzed data from the Korean Genome and Epidemiology Study-Urban Health Examinees cohort (KoGES-HEXA). Genetic information of the participants was collected at baseline, and gout cases were identified based on patient statements. The polygenic risk score (PRS) was calculated using nine independent genome-wide association study datasets, and lifestyle factors and metabolic syndrome status were measured for each participant using the KoGES. Logistic regression models were used to estimate the odds ratios (ORs) for gout in relation to genetic risk, lifestyle habits, and metabolic health status, after adjusting for age and sex. 
		                        		
		                        			Results:
		                        			Among 44,605 participants, 617 were diagnosed with gout. Gout was associated with older age, higher body mass index, and higher prevalence of hypertension, diabetes, and hypertriglyceridemia. High PRS, unfavorable lifestyle habits, and poor metabolic profiles were significantly associated with an increased risk of gout. Compared with that in the low-genetic-risk and healthy lifestyle group or ideal metabolic profile group, the risk of gout was increased in the high-genetic-risk plus unfavorable lifestyle (OR, 3.64; 95% confidence interval [CI], 2.32–6.03) or poor metabolic profile (OR, 7.78; 95% CI, 4.61–13.40) group.Conversely, adherence to favorable lifestyle habits significantly reduced gout risk, especially in high-genetic-risk groups. 
		                        		
		                        			Conclusion
		                        			Genetic predisposition and unhealthy lifestyle habits significantly increase the risk of gout. Promoting healthy lifestyle habits is crucial to prevent the development of gout, particularly in individuals with high genetic susceptibility. 
		                        		
		                        		
		                        		
		                        	
7.Incidence and Temporal Dynamics of Combined Infections in SARS-CoV-2-Infected Patients With Risk Factors for Severe Complications
Sin Young HAM ; Seungjae LEE ; Min-Kyung KIM ; Jaehyun JEON ; Eunyoung LEE ; Subin KIM ; Jae-Phil CHOI ; Hee-Chang JANG ; Sang-Won PARK
Journal of Korean Medical Science 2025;40(11):e38-
		                        		
		                        			 Background:
		                        			Coronavirus disease 2019 (COVID-19) is a newly emerged infectious disease that needs further clinical investigation. Characterizing the temporal pattern of combined infections in patients with COVID-19 may help clinicians understand the clinical nature of this disease and provide valuable diagnostic and therapeutic guidelines. 
		                        		
		                        			Methods:
		                        			We retrospectively analyzed COVID-19 patients isolated in four study hospitals in Korea for one year period from May 2021 to April 2022 when the delta and omicron variants were dominant. The temporal characteristics of combined infections based on specific diagnostic tests were analyzed. 
		                        		
		                        			Results:
		                        			A total of 16,967 COVID-19 patients were screened, 2,432 (14.3%) of whom underwent diagnostic microbiologic tests according to the clinical decision-making, 195 of whom had positive test results, and 0.55% (94/16,967) of whom were ultimately considered to have clinically meaningful combined infections. The median duration for the diagnosis of combined infections was 15 (interquartile range [IQR], 5–25) days after admission. The proportion of community-acquired coinfections (≤ 2 days after admission) was 11.7% (11/94), which included bacteremia (10/94, 10.63%) and tuberculosis (1/94, 1.06%). Combined infections after 2 days of admission were diagnosed at median 16 (IQR, 9–26) days, and included bacteremia (72.3%), fungemia (19.3%), cytomegalovirus (CMV) diseases (8.4%), Pneumocystis jerovecii pneumonia (PJP, 8.4%) and invasive pulmonary aspergillosis (IPA, 4.8%). 
		                        		
		                        			Conclusion
		                        			Among COVID-19 patients with risk factors for severe complications, 0.55% had laboratory-confirmed combined infections, which included community and nosocomial pathogens in addition to unusual pathogens such as CMV disease, PJP and IPA. 
		                        		
		                        		
		                        		
		                        	
8.Psychotropic Drug Use in Korean Patients With Osteoarthritis
Seong-Hun KANG ; Hyun Ah KIM ; Insun CHOI ; Chan Mi PARK ; Hoyol JHANG ; Jinhyun KIM ; Dong Jin GO ; Suhyun JANG
Journal of Korean Medical Science 2025;40(12):e53-
		                        		
		                        			 Background:
		                        			There are few safe effective ways to relieve osteoarthritis (OA) pain; as a result, off-label psychotropic drug prescriptions have increased worldwide. This study examined the change in psychotropic drug prescriptions for patients with OA from 2011 to 2020 using the Korean National Health Insurance Service dataset. 
		                        		
		                        			Methods:
		                        			The study population consisted of patients with hip or knee OA aged ≥ 65 years.Psychotropic drugs included opioids, benzodiazepines, non-benzodiazepine hypnotics (Z-drugs), anti-epileptics, tricyclic antidepressants, selective serotonin reuptake inhibitors (SSRIs), serotonin and norepinephrine reuptake inhibitors (SNRIs), typical antipsychotics, atypical antipsychotics, and anxiolytics. The prevalence and long-term (> 3 months) prescription rates of psychotropic drugs in OA patients were calculated. 
		                        		
		                        			Results:
		                        			The study included 1,821,158 patients with OA (mean age 71.7 years; 65.32% female).Of the cohort, 49% had comorbidities for which psychotropics were indicated. The prevalence of psychotropic prescriptions decreased from 58.2% to 52.0% in 2018 and then leveled off.The long-term prescription rate remained constant until 2018 and then increased slightly.The most commonly prescribed psychotropics were opioids and long- and short-acting benzodiazepines. The prescription rates of opioids and long-acting benzodiazepines decreased from 2011 to 2020. For those with psychiatric co-morbidities, the prescription rates of anti-epileptics and SNRIs increased, while the prescription rates of anti-epileptics, SSRIs, other antidepressants, and atypical psychotropics increased for those without such co-morbidities. The most commonly prescribed psychotropics were diazepam and alprazolam, excluding tramadol and tramadol–acetaminophen combination. For those with psychiatric co-morbidities, the prescription rates of gabapentin and fentanyl increased, while for those without such co-morbidities, the prescription rates of lorazepam, fentanyl, escitalopram and quetiapine increased. 
		                        		
		                        			Conclusion
		                        			A significant number of older Korean patients with OA were prescribed psychotropic drugs in the absence of comorbidities requiring such drugs, including drugs that have little effect on OA and unfavorable safety profiles in older adults. 
		                        		
		                        		
		                        		
		                        	
9.Factors influencing perceived preceptor empathy and nursing practice readiness on field adaptation of new nurses in South Korea: a cross-sectional descriptive study
Journal of Korean Biological Nursing Science 2025;27(1):94-103
		                        		
		                        			
		                        			 This descriptive survey-based study was conducted to identify factors affecting new nurses’ field adaptation in relation to preceptors’ empathy and nursing practice readiness. Methods: The participants of this study were 170 new nurses who voluntarily agreed to take part in this study and had been working for 12 months or less after completing their preceptorship at three general hospitals. Data were collected using a structured questionnaire. The collected data were analyzed with the t-test, analysis of variation, the Scheffé test, Pearson correlation coefficients, and multiple regression analysis. Results: The factors that most strongly influenced field adaptation were nursing practice readiness (β = .41), above average satisfaction with the nursing job (β = .27), and below average satisfaction with the nursing job (β = −.26), in descending order. The total explanatory power of these variables was 52%. Conclusion: The findings of this study suggest that increasing new nurses’ field adaptability requires the development and application of training programs focusing on nursing knowledge, interpersonal skills, and professionalism to help them improve nursing practice readiness. In addition, policies and systems need to be developed that can improve their satisfaction with the nursing job. 
		                        		
		                        		
		                        		
		                        	
10.Clinical Efficacy of Ultrafast Dynamic Contrast-Enhanced MRI Using Compressed Sensing in Distinguishing Benign and Malignant Soft-Tissue Tumors
You Seon SONG ; In Sook LEE ; Young Jin CHOI ; Jeung Il KIM ; Kyung-Un CHOI ; Kangsoo KIM ; Kyungeun JANG
Korean Journal of Radiology 2025;26(1):43-53
		                        		
		                        			 Objective:
		                        			To evaluate the clinical efficacy of ultrafast dynamic contrast-enhanced (DCE)-MRI using a compressed sensing (CS) technique for differentiating benign and malignant soft-tissue tumors (STTs) and to evaluate the factors related to the grading of malignant STTs. 
		                        		
		                        			Materials and Methods:
		                        			A total of 165 patients (96 male; mean age, 61 years), comprising 111 with malignant STTs and 54 with benign STTs according to the 2020 WHO classification, underwent DCE-MRI with CS between June 2018 and June 2023. The clinical, qualitative, and quantitative parameters associated with conventional MRI were also obtained. During post-processing of the early arterial phase of DCE-MRI, the time-to-enhance (TTE), time-to-peak (TTP), initial area under the curve at 60 s (iAUC60), and maximum slope were calculated. Furthermore, the delayed arterial phase parameters of DCEMRI, including Ktrans , Kep, Ve, and iAUC values and time-concentration curve (TCC) types, were determined. Clinical and MRI parameters were statistically analyzed to differentiate between benign and malignant tumors and their correlation with tumor grading. 
		                        		
		                        			Results:
		                        			According to logistic regression analysis, the TTE value (P < 0.001) of the early arterial phase and Ve (P = 0.039) and iAUC (P = 0.006) values of the delayed arterial phase, as well as age, location, peritumoral edema, and contrast heterogeneity on conventional MRI, were significant (P = 0.001–0.015) in differentiating benign and malignant tumors. Among all the quantitative parameters, the TTE value had the highest accuracy, with an area under the receiver operating characteristic curve of 0.902. The grading of malignant tumors was significantly correlated with peritumoral edema; CE heterogeneity; visual diffusion restriction; minimum and mean ADC; TTP, Kep, and Ve values; and the TCC graph (all P < 0.05). 
		                        		
		                        			Conclusion
		                        			Among the quantitative parameters obtained using ultrafast DCE-MRI, early arterial phase TTE was the most accurate for distinguishing between benign and malignant tumors. 
		                        		
		                        		
		                        		
		                        	
            
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