1.Brain Frailty and Outcomes of Acute Minor Ischemic Stroke With Large-Vessel Occlusion
Je-Woo PARK ; Joon-Tae KIM ; Ji Sung LEE ; Beom Joon KIM ; Joonsang YOO ; Jung Hoon HAN ; Bum Joon KIM ; Chi Kyung KIM ; Jae Guk KIM ; Sung Hyun BAIK ; Jong-Moo PARK ; Kyusik KANG ; Soo Joo LEE ; Hyungjong PARK ; Jae-Kwan CHA ; Tai Hwan PARK ; Kyungbok LEE ; Jun LEE ; Keun-Sik HONG ; Byung-Chul LEE ; Dong-Eog KIM ; Jay Chol CHOI ; Jee-Hyun KWON ; Dong-Ick SHIN ; Sung Il SOHN ; Sang-Hwa LEE ; Wi-Sun RYU ; Juneyoung LEE ; Hee-Joon BAE
Journal of Clinical Neurology 2024;20(2):175-185
		                        		
		                        			 Background:
		                        			and Purpose The influence of imaging features of brain frailty on outcomes were investigated in acute ischemic stroke patients with minor symptoms and large-vessel occlusion (LVO). 
		                        		
		                        			Methods:
		                        			This was a retrospective analysis of a prospective, multicenter, nationwide registry of consecutive patients with acute (within 24 h) minor (National Institutes of Health Stroke Scale score=0–5) ischemic stroke with anterior circulation LVO (acute minor LVO). Brain frailty was stratified according to the presence of an advanced white-matter hyperintensity (WMH) (Fazekas grade 2 or 3), silent/old brain infarct, or cerebral microbleeds. The primary outcome was a composite of stroke, myocardial infarction, and all-cause mortality within 1 year. 
		                        		
		                        			Results:
		                        			In total, 1,067 patients (age=67.2±13.1 years [mean±SD], 61.3% males) were analyzed. The proportions of patients according to the numbers of brain frailty burdens were as follows: no burden in 49.2%, one burden in 30.0%, two burdens in 17.3%, and three burdens in 3.5%. In the Cox proportional-hazards analysis, the presence of more brain frailty burdens was associated with a higher risk of 1-year primary outcomes, but after adjusting for clinically relevant variables there were no significant associations between burdens of brain frailty and 1-year vascular outcomes. For individual components of brain frailty, an advanced WMH was independently associated with an increased risk of 1-year primary outcomes (adjusted hazard ratio [aHR]=1.33, 95% confidence interval [CI]=1.03–1.71) and stroke (aHR=1.32, 95% CI=1.00–1.75). 
		                        		
		                        			Conclusions
		                        			The baseline imaging markers of brain frailty were common in acute minor ischemic stroke patients with LVO. An advanced WMH was the only frailty marker associated with an increased risk of vascular events. Further research is needed into the association between brain frailty and prognosis in patients with acute minor LVO. 
		                        		
		                        		
		                        		
		                        	
2.Automated Composition Analysis of Thrombus from Endovascular Treatment in Acute Ischemic Stroke Using Computer Vision
JoonNyung HEO ; Young SEOG ; Hyungwoo LEE ; Il Hyung LEE ; Sungeun KIM ; Jang-Hyun BAEK ; Hyungjong PARK ; Kwon-Duk SEO ; Gyu Sik KIM ; Han-Jin CHO ; Minyoul BAIK ; Joonsang YOO ; Jinkwon KIM ; Jun LEE ; Yoon-Kyung CHANG ; Tae-Jin SONG ; Jung Hwa SEO ; Seong Hwan AHN ; Heow Won LEE ; Il KWON ; Eunjeong PARK ; Young Dae KIM ; Hyo Suk NAM
Journal of Stroke 2022;24(3):433-435
		                        		
		                        		
		                        		
		                        	
3.Preparation and Practice of the Necessary Documents in Hospital for the “Act on Decision of Life-Sustaining Treatment for Patients at the End-of-Life”
Sun Kyung BAEK ; Hwa Jung KIM ; Jung Hye KWON ; Ha Yeon LEE ; Young-Woong WON ; Yu Jung KIM ; Sujin BAIK ; Hyewon RYU
Cancer Research and Treatment 2021;53(4):926-934
		                        		
		                        			 Purpose:
		                        			Six forms relating to decisions on life-sustaining treatment (LST) for patients at the end-of-life (EOL) in hospital are required by the “Act on Decision of LST for Patients at the EOL.” We investigated the preparation and creation status of these documents from the database of the National Agency for Management of LST. 
		                        		
		                        			Materials and Methods:
		                        			We analyzed the contents and details of each document necessary for decisions on LST, and the creation status of forms. We defined patients completing form 1 as “self-determined” of LST, and those whose family members had completed form 11/12 as “family decision” of LST. According to the determination subject, we compared the four items of LST on form 13 (the paper of implementation of LST) and the documentation time interval between forms. 
		                        		
		                        			Results:
		                        			The six forms require information about the patient, doctor, specialized doctor, family members, institution, decision for LST, and intention to use hospice services. Of 44,381 who had completed at least one document, 36,693 patients had form 13. Among them, 11,531, 10,976, and 12,551 people completed forms 1, 11, and 12, respectively. The documentation time interval from forms 1, 11, or 12 to form 13 was 8.6±13.6 days, 1.0±9.5 days, and 1.5±9.7 days, respectively. 
		                        		
		                        			Conclusion
		                        			The self-determination rate of LST was 31% and the mean time interval from self-determination to implementation of LST was 8.6 days. The creation of these forms still takes place when the patients are close to death. 
		                        		
		                        		
		                        		
		                        	
4.The Situation of Life-Sustaining Treatment One Year after Enforcement of the Act on Decisions on Life-Sustaining Treatment for Patients at the End-of-Life in Korea: Data of National Agency for Management of Life-Sustaining Treatment
Ha Yeon LEE ; Hwa Jung KIM ; Jung Hye KWON ; Sun Kyung BAEK ; Young-Woong WON ; Yu Jung KIM ; Su Jin BAIK ; Hyewon RYU
Cancer Research and Treatment 2021;53(4):897-907
		                        		
		                        			 Purpose:
		                        			The “Act on Hospice and Palliative Care and Decisions on Life-Sustaining Treatment for Patients at the End-of-Life” was enacted on February 3, 2016 and went into effect on February 4, 2018 in Korea. This study reviewed the first year of determination to life-sustaining treatment (LST) through data analysis of the National Agency for Management of Life-Sustaining Treatment. 
		                        		
		                        			Materials and Methods:
		                        			The National Agency for Management of LST provided data between February 4, 2018 and January 31, 2019 anonymously from 33,549 patients. According to the forms patients were defined as either elf-determinants or family-determinants. 
		                        		
		                        			Results:
		                        			The median age of the patient was 73 and the majority was male (59.9%). Cancer patients were 59% and self-determinants were 32.1%. Cancer patients had a higher rate of self-determinants than non-cancer (47.3% vs. 10.1%). Plan for hospice service was high in cancer patients among self-determinants (81.0% vs. 37.5%, p < 0.001). In comparison to family-determinants, self-determinants were younger (median age, 67 years vs. 75 years; p < 0.001) and had more cancer diagnosis (87.1% vs. 45.9%, p < 0.001). Decision of withholding or withdrawing of LSTs in cancer patients was higher than non-cancer patients in four items. 
		                        		
		                        			Conclusion
		                        			Cancer patients had a higher rate in self-determination and withholding or withdrawing of LSTs than non-cancer patients. Continued revision of the law and education of the public will be able to promote withdrawing or withholding the futile LSTs in patients at end-of-life. Further study following the revision of the law should be evaluated to change of end-of-life care. 
		                        		
		                        		
		                        		
		                        	
5.Ten-Year Mortality Trends for Adults with and without Diabetes Mellitus in South Korea, 2003 to 2013.
Kyeong Jin KIM ; Tae Yeon KWON ; Sungwook YU ; Ji A SEO ; Nan Hee KIM ; Kyung Mook CHOI ; Sei Hyun BAIK ; Dong Seop CHOI ; Sin Gon KIM ; Yousung PARK ; Nam Hoon KIM
Diabetes & Metabolism Journal 2018;42(5):394-401
		                        		
		                        			
		                        			BACKGROUND: To estimate and compare the trends of all-cause and cause-specific mortality rates for subjects with and without diabetes in South Korea, from 2003 to 2013. METHODS: Using a population-based cohort (2003 to 2013), we evaluated annual mortality rates in adults (≥30 years) with and without diabetes. The number of subjects in this analysis ranged from 585,795 in 2003 to 670,020 in 2013. RESULTS: Age- and sex-adjusted all-cause mortality rates decreased consistently in both groups from 2003 to 2013 (from 14.4 to 9.3/1,000 persons in subjects with diabetes and from 7.9 to 4.4/1,000 persons in those without diabetes). The difference in mortality rates between groups also decreased (6.61 per 1,000 persons in 2003 to 4.98 per 1,000 persons in 2013). The slope associated with the mortality rate exhibited a steeper decrease in subjects with diabetes than those without diabetes (regression coefficients of time: −0.50 and −0.33, respectively; P=0.004). In subjects with diabetes, the mortality rate from cardiovascular disease decreased by 53.5% (from 2.73 to 1.27 per 1,000 persons, P for trend < 0.001). Notably, the decrease in mortality from ischemic stroke (79.2%, from 1.20 to 0.25 per 1,000 persowns) was more profound than that from ischemic heart disease (28.3%, from 0.60 to 0.43 per 1,000 persons). CONCLUSION: All-cause and cardiovascular mortality rates decreased substantially from 2003 to 2013, and the decline in ischemic stroke mortality mainly contributed to the decreased cardiovascular mortality in Korean people with diabetes.
		                        		
		                        		
		                        		
		                        			Adult*
		                        			;
		                        		
		                        			Cardiovascular Diseases
		                        			;
		                        		
		                        			Cohort Studies
		                        			;
		                        		
		                        			Diabetes Mellitus*
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Korea*
		                        			;
		                        		
		                        			Mortality*
		                        			;
		                        		
		                        			Myocardial Ischemia
		                        			;
		                        		
		                        			Stroke
		                        			
		                        		
		                        	
6.Sleepiness and Depression in Parkinson's Disease Patients Treated with Ropinirole and Levodopa.
Suk Yun KANG ; Ho Sung RYU ; Mun Kyung SUNWOO ; Sang Jin KIM ; Jong Sam BAIK ; Mee Young PARK ; Hyung Eun PARK ; Joong Seok KIM ; Kyum Yil KWON ; Seong Beom KOH ; Young Eun KIM ; Mi Kyong LEE ; Jong Min KIM ; Sun Ju CHUNG ; Young Ho SOHN
Journal of Movement Disorders 2017;10(3):123-129
		                        		
		                        			
		                        			OBJECTIVE: We aimed to investigate the effect of ropinirole on excessive daytime sleepiness (EDS) and depression in Parkinson’s disease (PD) with a large population. METHODS: We conducted a cross-sectional observational study at nine hospitals in Korea between April 24, 2013, and April 22, 2015. We analyzed the demographic and clinical features, other medical history, history of antiparkinsonian medication within 6 months, Hoehn and Yahr stage (HY stage), Unified Parkinson’s Disease Rating Scale (UPDRS) part II and III, Epworth Sleepiness Scale (ESS), and 30-item Geriatric Depression Scale (GDS-30). RESULTS: Four-hundred-thirteen patients with PD (mean age: 65.2 ± 9.0 years; men: 227 patients) were analyzed. Multivariate logistic regression analysis showed that age at examination, UPDRS II, and GDS-30 were independent risk factors for EDS and that sex, UPDRS II, and ESS were independent risk factors for depression. CONCLUSION: Our large group study did not find any significant associations of ropinirole with EDS and depression in Korean PD patients.
		                        		
		                        		
		                        		
		                        			Depression*
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Korea
		                        			;
		                        		
		                        			Levodopa*
		                        			;
		                        		
		                        			Logistic Models
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Observational Study
		                        			;
		                        		
		                        			Parkinson Disease*
		                        			;
		                        		
		                        			Risk Factors
		                        			
		                        		
		                        	
7.Erratum to: The KMDS-NATION Study: Korean Movement Disorders Society Multicenter Assessment of Non-Motor Symptoms and Quality of Life in Parkinson's Disease NATION Study Group.
Do Young KWON ; Seong Beom KOH ; Jae Hyeok LEE ; Hee Kyung PARK ; Han Joon KIM ; Hae Won SHIN ; Jinyoung YOUN ; Kun Woo PARK ; Sun Ah CHOI ; Sang Jin KIM ; Seong Min CHOI ; Ji Yun PARK ; Beom S. JEON ; Ji Young KIM ; Sun Ju CHUNG ; Chong Sik LEE ; Jeong Ho PARK ; Tae Beom AHN ; Won Chan KIM ; Hyun Sook KIM ; Sang Myung CHEON ; Hee Tae KIM ; Jee Young LEE ; Ji Sun KIM ; Eun Joo KIM ; Jong Min KIM ; Kwang Soo LEE ; Joong Seok KIM ; Min Jeong KIM ; Jong Sam BAIK ; Ki Jong PARK ; Hee Jin KIM ; Mee Young PARK ; Ji Hoon KANG ; Sook Kun SONG ; Yong Duk KIM ; Ji Young YUN ; Ho Won LEE ; Hyung Geun OH ; Jinwhan CHO ; In Uk SONG ; Young H. SOHN ; Phil Hyu LEE ; Jae Woo KIM
Journal of Clinical Neurology 2017;13(3):315-315
		                        		
		                        			
		                        			The original version of this article contained wrong informations of some authors which should be changed.
		                        		
		                        		
		                        		
		                        	
8.The KMDS-NATION Study: Korean Movement Disorders Society Multicenter Assessment of Non-Motor Symptoms and Quality of Life in Parkinson's Disease NATION Study Group.
Do Young KWON ; Seong Beom KOH ; Jae Hyeok LEE ; Hee Kyung PARK ; Han Joon KIM ; Hae Won SHIN ; Jinyoung YOUN ; Kun Woo PARK ; Sun Ah CHOI ; Sang Jin KIM ; Seong Min CHOI ; Ji Yun PARK ; Beom S JEON ; Ji Young KIM ; Sun Ju CHUNG ; Chong Sik LEE ; Jeong Ho PARK ; Tae Beom AHN ; Won Chan KIM ; Hyun Sook KIM ; Sang Myung CHEON ; Hee Tae KIM ; Jee Young LEE ; Ji Sun KIM ; Eun Joo KIM ; Jong Min KIM ; Kwang Soo LEE ; Joong Seok KIM ; Min Jeong KIM ; Jong Sam BAIK ; Ki Jong PARK ; Hee Jin KIM ; Mee Young PARK ; Ji Hoon KANG ; Sook Kun SONG ; Yong Duk KIM ; Ji Young YUN ; Ho Won LEE ; Hyung Geun OH ; Jinwhan CHO ; In Uk SONG ; Young H SOHN ; Phil Hyu LEE ; Jae Woo KIM
Journal of Clinical Neurology 2016;12(4):393-402
		                        		
		                        			
		                        			BACKGROUND AND PURPOSE: Nonmotor symptoms (NMS) in Parkinson's disease (PD) have multisystem origins with heterogeneous manifestations that develop throughout the course of PD. NMS are increasingly recognized as having a significant impact on the health-related quality of life (HrQoL). We aimed to determine the NMS presentation according to PD status, and the associations of NMS with other clinical variables and the HrQoL of Korean PD patients. METHODS: We surveyed patients in 37 movement-disorders clinics throughout Korea. In total, 323 PD patients were recruited for assessment of disease severity and duration, NMS, HrQoL, and other clinical variables including demographics, cognition, sleep scale, fatigability, and symptoms. RESULTS: In total, 98.1% of enrolled PD subjects suffered from various kinds of NMS. The prevalence of NMS and scores in each NMS domain were significantly higher in the PD group, and the NMS worsened as the disease progressed. Among clinical variables, disease duration and depressive mood showed significant correlations with all NMS domains (p<0.001). NMS status impacted HrQoL in PD (rS=0.329, p<0.01), and the association patterns differed with the disease stage. CONCLUSIONS: The results of our survey suggest that NMS in PD are not simply isolated symptoms of degenerative disease, but rather exert significant influences throughout the disease course. A novel clinical approach focused on NMS to develop tailored management strategies is warranted to improve the HrQoL in PD patients.
		                        		
		                        		
		                        		
		                        			Cognition
		                        			;
		                        		
		                        			Demography
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Korea
		                        			;
		                        		
		                        			Movement Disorders*
		                        			;
		                        		
		                        			Parkinson Disease*
		                        			;
		                        		
		                        			Prevalence
		                        			;
		                        		
		                        			Quality of Life*
		                        			
		                        		
		                        	
9.A multicenter experience with generic mycophenolate mofetil conversion in stable liver transplant recipients.
Jong Man KIM ; Choon Hyuck David KWON ; Ik Jin YUN ; Kwang Woong LEE ; Hee Chul YU ; Kyung Suk SUH ; Jae Won JOH ; Baik Hwan CHO
Annals of Surgical Treatment and Research 2014;86(4):192-198
		                        		
		                        			
		                        			PURPOSE: Generic substitution of brand-name medications can lead to significant cost savings and is an accepted medical practice. This study evaluated clinical and safety outcomes among liver transplant recipients whose mycophenolate mofetil (MMF) was converted from the brand-name formulation (Cellcept) to a generic formulation (My-rept). METHODS: Clinical data from multiple centers were prospectively collected for determination of complications, safety, and quality of life after in 154 clinically stable, adult liver transplant recipients whose MMF was converted to a generic formulation between April 2010 and September 2012. This protocol was approved by Institutional Review Boards of all involved sites. RESULTS: In eight patients (5.19%), nine instances of drug-related complications occurred after medication conversion. Half of these complications were gastrointestinal disorders (n = 4), and most (7 of 9) were mild. No significant differences were noted in mean pre- and postconversion gastrointestinal symptoms via a rating system (8.9 vs. 10.4) or gastrointestinal quality-of-life index scores (125.6 vs. 123.1). More than 90% of patients reported a status of "about the same" when questioned about the brand-name and generic formulation using the Patient Overall Treatment Effect and Investigator Overall Treatment Effect measures. The incidence of serious adverse events was 5.8%. Acute rejection occurred in two patients, with no graft loss or death. CONCLUSION: Clinical experience as well as research data showed that generic MMF was comparable in efficacy to the brand-name drug. Given the lack of adverse events and the safety findings, conversion from brand-name MMF to generic MMF should be encouraged.
		                        		
		                        		
		                        		
		                        			Adult
		                        			;
		                        		
		                        			Cost Savings
		                        			;
		                        		
		                        			Drug Substitution
		                        			;
		                        		
		                        			Drug-Related Side Effects and Adverse Reactions
		                        			;
		                        		
		                        			Drugs, Generic
		                        			;
		                        		
		                        			Ethics Committees, Research
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Incidence
		                        			;
		                        		
		                        			Liver*
		                        			;
		                        		
		                        			Prospective Studies
		                        			;
		                        		
		                        			Quality of Life
		                        			;
		                        		
		                        			Research Personnel
		                        			;
		                        		
		                        			Transplantation*
		                        			;
		                        		
		                        			Transplants
		                        			
		                        		
		                        	
10.Two Cases of Gastrocolocutaneous Fistula with a Long Asymptomatic Period after Percutaneous Endoscopic Gastrostomy.
Hyo Sun KIM ; Chang Seok BANG ; Yeon Soo KIM ; Oh Kyung KWON ; Min Sun PARK ; Jeong Ho EOM ; Gwang Ho BAIK ; Dong Joon KIM
Intestinal Research 2014;12(3):251-255
		                        		
		                        			
		                        			Gastrocolocutaneous fistula is a rare complication of the percutaneous endoscopic gastrostomy (PEG) procedure. Typical symptoms usually occur in the first few months. We recently encountered 2 patients with 8- and 33-month asymptomatic periods. A 74-year-old man presented with watery diarrhea for 1 month. He had undergone PEG 9 months earlier. During workup, an upper endoscopy and abdominal CT scan revealed the migration of the feeding tube into the transverse colon. He was discharged with a nasogastric tube after treatment. A 77-year-old man presented with sudden loosening of his PEG tube with a duration over 3 days. He had undergone PEG procedure three times until that time. During workup, a gastrocolocutaneous fistula was diagnosed. However, when previous studies were reviewed, an abdominal CT scan, which was done 6 months ago before the third PEG, showed the fistula already existed at that time, suggesting that it was created about 33 months earlier when he underwent the second PEG procedure. The patient died of pneumonia aggravation despite conservative treatment. Both a high index of suspicion and the careful inspection of the upper endoscopy are very important for early diagnosis regardless of symptoms.
		                        		
		                        		
		                        		
		                        			Aged
		                        			;
		                        		
		                        			Colon, Transverse
		                        			;
		                        		
		                        			Diarrhea
		                        			;
		                        		
		                        			Early Diagnosis
		                        			;
		                        		
		                        			Endoscopy
		                        			;
		                        		
		                        			Fistula*
		                        			;
		                        		
		                        			Gastrostomy*
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Pneumonia
		                        			;
		                        		
		                        			Tomography, X-Ray Computed
		                        			
		                        		
		                        	
            
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