1.Trauma Exposure and Suicidal Ideation among Korean Male Firefighters: Examining the Moderating Roles of Organizational Climate
Chi-Yun BACK ; Dae-Sung HYUN ; Sei-Jin CHANG ; Da-Yee JEUNG
Safety and Health at Work 2023;14(1):71-77
		                        		
		                        			 Background:
		                        			This study investigated the relationship between trauma exposure and suicidal ideation. Moreover, this study examines the moderating roles of organizational climate on the association between trauma exposure and suicidal ideation in Korean male firefighters. 
		                        		
		                        			Methods:
		                        			A total of 15,104 male firefighters who completed a questionnaire were analyzed. The data were obtained using an online self-administered questionnaire from the Firefighter Research on Enhancement of Safety and Health Study. Poisson regression analysis was performed to determine the effects of trauma exposure on suicidal ideation and the moderating effect of organizational climate. 
		                        		
		                        			Results:
		                        			The results showed that 389 firefighters (2.6%) responded that they had experienced suicidal ideation. In the final model, trauma exposure was positively related to suicidal ideation (adjusted risk ratio [aRR], 1.076; 95% confidence interval [CI]: 1.051–1.103), and organizational climate was negatively associated with suicidal ideation (aRR, 0.772; 95% CI: 0.739–0.806). Additionally, the interaction term (trauma exposure × organizational climate) was related to suicidal ideation (aRR, 1.016; 95% CI: 1.009–1.023). 
		                        		
		                        			Conclusions
		                        			This study suggests that trauma exposure might play a significant role in developing suicidal ideation and that positive organizational climate moderates the negative effects of trauma exposure on suicidal ideation among firefighters. It is necessary to perform a follow-up study of various intervention strategies to maintain a healthy organizational climate or work environment. Such interventions should promote lasting trust within teams, provide social support and belonging, and nurture job value. 
		                        		
		                        		
		                        		
		                        	
2.COVID-19 Vaccination in Patients with Autoimmune Inflammatory Rheumatic Diseases: Clinical Guidance of the Korean College of Rheumatology
Jin Kyun PARK ; Eun Bong LEE ; Kichul SHIN ; Yoon-Kyoung SUNG ; Tae Hwan KIM ; Seong-Ryul KWON ; Myeung Su LEE ; Seung-Jae HONG ; Byoong Yong CHOI ; Shin-Seok LEE ; Han Joo BACK ; And on behalf of the Korean College of Rheumatology Task Force for COVID-19 Vaccine Guidance for Pat
Journal of Korean Medical Science 2021;36(12):e95-
		                        		
		                        			
		                        			The coronavirus disease 2019 (COVID-19) pandemic has caused more than 100 million infections and 2 million deaths worldwide. In up to 20% of cases, COVID-19 infection can take a severe, life-threatening course. Therefore, preventive measures such as mask-wearing, hand hygiene, and social distancing are important. COVID-19 vaccines that use novel vaccine technology can prevent up to 95% of infections. However, the uncertainty regarding the efficacy and safety of vaccination in patients with autoimmune inflammatory rheumatic disease (AIIRD), who are immunocompromised due to underlying immune dysfunction and concomitant immunosuppressive treatment, warrants clear guidance. A task force of the Korean College of Rheumatology formulated a set of vaccination guidance based on the currently available data and expert consensus. The currently available COVID-19 vaccines are considered to be safe and effective. Every patient with AIIRD should receive one of the available COVID-19 vaccines unless contraindicated for medical reasons such as prior allergy/anaphylaxis to the COVID-19 vaccine or its components. Patients should continue immunosuppressive treatment for their underlying AIIRD, including biological and targeted synthetic disease-modifying anti-rheumatic drugs (b/tsDMARDs). Corticosteroids should be reduced to the lowest dose possible without aggravating the AIIRD. To improve the vaccine response, methotrexate can be withheld for 1–2 weeks after each vaccination, and the timing of rituximab and abatacept infusion should be adjusted if clinically acceptable.Rheumatologists should play a leading role in educating and vaccinating patients with AIIRD.
		                        		
		                        		
		                        		
		                        	
3.COVID-19 Vaccination in Patients with Autoimmune Inflammatory Rheumatic Diseases: Clinical Guidance of the Korean College of Rheumatology
Jin Kyun PARK ; Eun Bong LEE ; Kichul SHIN ; Yoon-Kyoung SUNG ; Tae Hwan KIM ; Seong-Ryul KWON ; Myeung Su LEE ; Seung-Jae HONG ; Byoong Yong CHOI ; Shin-Seok LEE ; Han Joo BACK ; And on behalf of the Korean College of Rheumatology Task Force for COVID-19 Vaccine Guidance for Pat
Journal of Korean Medical Science 2021;36(12):e95-
		                        		
		                        			
		                        			The coronavirus disease 2019 (COVID-19) pandemic has caused more than 100 million infections and 2 million deaths worldwide. In up to 20% of cases, COVID-19 infection can take a severe, life-threatening course. Therefore, preventive measures such as mask-wearing, hand hygiene, and social distancing are important. COVID-19 vaccines that use novel vaccine technology can prevent up to 95% of infections. However, the uncertainty regarding the efficacy and safety of vaccination in patients with autoimmune inflammatory rheumatic disease (AIIRD), who are immunocompromised due to underlying immune dysfunction and concomitant immunosuppressive treatment, warrants clear guidance. A task force of the Korean College of Rheumatology formulated a set of vaccination guidance based on the currently available data and expert consensus. The currently available COVID-19 vaccines are considered to be safe and effective. Every patient with AIIRD should receive one of the available COVID-19 vaccines unless contraindicated for medical reasons such as prior allergy/anaphylaxis to the COVID-19 vaccine or its components. Patients should continue immunosuppressive treatment for their underlying AIIRD, including biological and targeted synthetic disease-modifying anti-rheumatic drugs (b/tsDMARDs). Corticosteroids should be reduced to the lowest dose possible without aggravating the AIIRD. To improve the vaccine response, methotrexate can be withheld for 1–2 weeks after each vaccination, and the timing of rituximab and abatacept infusion should be adjusted if clinically acceptable.Rheumatologists should play a leading role in educating and vaccinating patients with AIIRD.
		                        		
		                        		
		                        		
		                        	
4.Mediating Effects of Burnout in the Association Between Emotional Labor and Turnover Intention in Korean Clinical Nurses
Chi-Yun BACK ; Dae-Sung HYUN ; Da-Yee JEUNG ; Sei-Jin CHANG
Safety and Health at Work 2020;11(1):88-96
		                        		
		                        			 Background:
		                        			The current lack of the number of nurses and high nurse turnover rate leads to major problems for the health-care system in terms of cost, patient care ability, and quality of care. Theoretically, burnout may help link emotional labor with turnover intention. The purpose of this study was to investigate the mediating effect of burnout in the association between emotional labor and turnover intention in Korean clinical nurses. 
		                        		
		                        			Methods:
		                        			Using data collected from a sample of 606 nurses from six Korean hospitals, we conducted a multiple regression analysis to determine the relationships among clinical nurses' emotional labor, burnout, and turnover intention, looking at burnout as a mediator. 
		                        		
		                        			Results:
		                        			The results fully and partially support the mediating role of burnout in the relationship between the subfactors of emotional labor and turnover intention. In particular, burnout partially mediated the relationship between emotional disharmony and hurt, organizational surveillance and monitoring, and lack of a supportive and protective system in the organization. In addition, we found that burnout has a significant full mediation effect on the relationship between overload and conflicts in customer service and turnover intention. Although the mediating effect of burnout was significantly associated with the demands and regulation of emotions, no significant effects on turnover intention were found. 
		                        		
		                        			Conclusion
		                        			To reduce nurses' turnover, we recommend developing strategies that target both burnout and emotional labor, given that burnout fully and partially mediated the effects of emotional labor on turnover intention, and emotional labor was directly associated with turnover intention. 
		                        		
		                        		
		                        		
		                        	
5.Microsurgical treatment for the recurrent cerebral aneurysm initially treated using coil embolization
Juwhan LEE ; Sung-Tae KIM ; Yong Woo SHIM ; Jin Wook BACK ; Jung Hae KO ; Won Hee LEE ; Sung Hwa PAENG ; Se Young PYO ; Young Jin HEO ; Hae Woong JEONG ; Young Gyun JEONG
Journal of Cerebrovascular and Endovascular Neurosurgery 2020;22(3):165-175
		                        		
		                        			 Objective:
		                        			Microsurgical treatment could be a good alternative for the treatment of recurrent cerebral aneurysm after coil embolization. The purpose of this study was to present our experience of microsurgical treatment for recurrent cerebral aneurysm previously treated using coil embolization. 
		                        		
		                        			Methods:
		                        			From June 2012 to May 2019, 34 patients consecutively received microsurgical treatment for a recurrent cerebral aneurysm previously treated using coil embolization after it ruptured. 
		                        		
		                        			Results:
		                        			Of the 34 patients with aneurysm, 33 had the aneurysm located in the anterior circulation. The most common location was the anterior communicating artery (13 cases). Immediate radiologic outcome at coil embolization was completed (n=6), residual neck (n=26), and residual sac (n=2). The reason for microsurgical treatment included rebleeding (n=12), persistent residual sac (n=1), and recurrence on follow-up study (n=21). Rebleeding occurred within 10 days after coil embolization in 10 cases, and the other 2 were due to regrowth. In the 20 recurred and saccular aneurysms, coil compaction was present in 11 aneurysms and regrowth in 9 aneurysms. Simple neck clipping (n=29) and clipping with coil mass extraction (n=3) was possible in the saccular aneurysms. The blood blister like aneurysm (n=2) were treated using bypass and endovascular internal carotid artery trapping. In the follow-up study group after microsurgical treatment there were no severe complications due to the treatment. Age, cause of retreatment, and modified Rankin Scale before microsurgery were associated with good outcome (p<0.001). 
		                        		
		                        			Conclusions
		                        			Microsurgical treatment may be a viable and effective option for treating recurrent aneurysms previously treated by endovascular techniques. 
		                        		
		                        		
		                        		
		                        	
6.Association between Emotional Labor, Emotional Dissonance, Burnout and Turnover Intention in Clinical Nurses: A Multiple-Group Path Analysis across Job Satisfaction.
Chi Yun BACK ; Dae Sung HYUN ; Sei Jin CHANG
Journal of Korean Academy of Nursing 2017;47(6):770-780
		                        		
		                        			
		                        			PURPOSE: This study was conducted to investigate the influence of emotional labor, emotional dissonance, and burnout on nurse's turnover intention and examine the effect of job satisfaction on the relationships among emotional labor, emotional dissonance, burnout, and turnover intention. METHODS: The sample consisted of 350 nurses recruited from 6 general hospitals in 2 cities in Korea. A multiple-group analysis was utilized. Data were analyzed using SPSS statistics 23 and AMOS 20. RESULTS: In the path analysis, turnover intention was directly related to burnout in clinical nurses who had a high job satisfaction (β=.24, p=.003), while it was indirectly related to emotional dissonance (β=.13, p=.002). In the multiple-group path analysis, turnover intention was directly related to emotional dissonance (β=.18, p=.033) and burnout (β=.26, p=.002) for nurses with low job satisfaction. CONCLUSION: These results indicate that manuals and guidelines to alleviate the negative effects of emotional labor, emotional dissonance, and burnout, and to increase job satisfaction are strongly required to reduce turnover intention in nurses at the organizational level as well as at the individual level.
		                        		
		                        		
		                        		
		                        			Hospitals, General
		                        			;
		                        		
		                        			Intention*
		                        			;
		                        		
		                        			Job Satisfaction*
		                        			;
		                        		
		                        			Korea
		                        			;
		                        		
		                        			Personnel Turnover
		                        			
		                        		
		                        	
7.A Case of Hepatocellular Carcinoma with Pulmonary Metastasis Who Showed Complete Response by Cytotoxic Chemotherapy after Sorafenib Failure.
Hwa Sun PARK ; Jae Young JANG ; Min Young BAEK ; Yong Kwon KIM ; Hyun Jin YOUN ; Su Young BACK ; Soung Won JEONG ; Sae Hwan LEE ; Sang Gyune KIM ; Sang Woo CHA ; Young Seok KIM ; Young Deok CHO ; Hong Soo KIM ; Boo Sung KIM
Journal of Liver Cancer 2017;17(1):72-76
		                        		
		                        			
		                        			Hepatocellular carcinoma (HCC) is the 2nd most common cause of cancer related death in Korea and well-known malignancy with poor prognosis. Sorafenib is the first-line molecular targeted agent in patients with extra-hepatic spread of HCC. However, complete response is extremely rare in patients treated with sorafenib and the disease control rate is only 43%. We report a 53-year-old man with advanced HCC with pulmonary metastasis who showed complete response by cytotoxic chemotherapy with doxorubicin and cisplatin with relatively tolerable adverse effects after failure of treatment with sorafenib.
		                        		
		                        		
		                        		
		                        			Carcinoma, Hepatocellular*
		                        			;
		                        		
		                        			Cisplatin
		                        			;
		                        		
		                        			Doxorubicin
		                        			;
		                        		
		                        			Drug Therapy*
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Korea
		                        			;
		                        		
		                        			Middle Aged
		                        			;
		                        		
		                        			Neoplasm Metastasis*
		                        			;
		                        		
		                        			Prognosis
		                        			
		                        		
		                        	
8.The Factors Predicting Secondary Displacement after Closed Reduction of Unstable Distal Radius Fracture.
Jung Suk LEE ; Jae Hoon LEE ; Young Joon KIM ; Jong Hun BACK ; Wook Jae SONG ; Jin Sung PARK ; Duke Whan CHUNG ; Chung Soo HAN
Journal of the Korean Society for Surgery of the Hand 2017;22(1):13-19
		                        		
		                        			
		                        			PURPOSE: It has been studied prognostic factors about secondary displacement after conservative treatment of the distal radius fracture, but each study showed different results. Authors retrospectively evaluated factors known to be involved secondary displacement of the distal radius fracture to determine its significance. METHODS: One hundred eighteen cases of the radiographically unstable distal radius fractures that closed reduction was adequately performed were retrospectively studied and the radiographic images were taken at 1, 2, 3, 4, 6 weeks after closed reduction. During follow-up, dorsal tilt more than 15°, volar tilt more than 20°, ulnar positive variance more than 4 mm, radial length less than 6 mm, radial inclination less than 10° were thought of the loss of reduction. RESULTS: In 41 cases (34.7%), the loss of reduction occurred. Sex, intra-articular fracture, dorsal and volar comminution, concomitant ulnar fracture and involvement of the distal radio-ulnar joint were statistically not significant. Analysis results of the binomial logistic regression model were as follows: age (p=0.003), radial shortening (p=0.010) and ulnar positive variance (p=0.010) were statistically significant as the predictive prognostic factors. Analysis results of the multinomial logistic regression model showed age (p=0.006) as an only statistically significant factor. CONCLUSION: As the predictive prognostic factors for development of secondary displacement after conservative treatment of the unstable distal radius fracture, age was determined as most significant factor. Also radial shortening and ulnar positive variance were thought of the predictive factors for secondary displacement.
		                        		
		                        		
		                        		
		                        			Colles' Fracture
		                        			;
		                        		
		                        			Follow-Up Studies
		                        			;
		                        		
		                        			Intra-Articular Fractures
		                        			;
		                        		
		                        			Joints
		                        			;
		                        		
		                        			Logistic Models
		                        			;
		                        		
		                        			Radius Fractures*
		                        			;
		                        		
		                        			Radius*
		                        			;
		                        		
		                        			Retrospective Studies
		                        			
		                        		
		                        	
9.Association of Emotional Labor, Self-efficacy, and Type A Personality with Burnout in Korean Dental Hygienists.
Da Yee JEUNG ; Hyun Ok LEE ; Won Gyun CHUNG ; Jin Ha YOON ; Sang Baek KOH ; Chi Yun BACK ; Dae Sung HYUN ; Sei Jin CHANG
Journal of Korean Medical Science 2017;32(9):1423-1430
		                        		
		                        			
		                        			The purpose of this study was to examine the relationship between emotional labor and burnout, and whether the levels of self-efficacy and type A personality characteristics increase the risk of burnout in a sample of Korean female dental hygienists. Participants were 807 female dental hygienists with experience in performing customer service for one year or more in dental clinics, dental hospitals, or general hospitals in Korea. Data were collected using a structured self-administered questionnaire. A hierarchical multiple linear regression analysis was used to examine the effects of emotional labor on burnout, and to elucidate the additive effects of self-efficacy and type A personality on burnout. The results showed that “overload and conflict in customer service,”“emotional disharmony and hurt,” and “lack of a supportive and protective system in the organization” were positively associated with burnout. With reference to the relationship between personality traits and burnout, we found that personal traits such as self-efficacy and type A personality were significantly related to burnout, which confirmed the additive effects of self-efficacy and type A personality on burnout. These results indicate that engaging in excessive and prolonged emotional work in customer service roles is more likely to increase burnout. Additionally, an insufficient organizational supportive and protective system toward the negative consequences of emotional labor was found to accelerate burnout. The present findings also revealed that personality traits such as self-efficacy and type A personality are also important in understanding the relationship between emotional labor and burnout.
		                        		
		                        		
		                        		
		                        			Dental Clinics
		                        			;
		                        		
		                        			Dental Hygienists*
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Hospitals, General
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Korea
		                        			;
		                        		
		                        			Linear Models
		                        			;
		                        		
		                        			Type A Personality*
		                        			
		                        		
		                        	
10.A Case of Gastric Cavernous Hemangioma Diagnosed by Endoscopic Submucosal Dissection.
Mun Chul KIM ; Shang Hoon HAN ; Mi Young JANG ; Seol Bong YOO ; Back Jin SUNG ; Wang Guk OH ; Ji Woong KIM ; Jin Woong CHO
The Korean Journal of Helicobacter and Upper Gastrointestinal Research 2013;13(3):198-201
		                        		
		                        			
		                        			Gastric cavernous hemangioma is a relatively rare benign gastric disease. Gastric hemangiomas are most commonly encountered in adulthood, although they can occur in any age group. While surgical resection is the curative treatment, endoscopic resection can be performed for treatment of selected cases. The patient was a 53-year-old male who was referred for evaluation of incidentally detected gastric subepithelial tumor with dense vascularity and oozing on the apex of the lesion. An EUS revealed a homogenously hypoechoic mass confined to the submucosal layer that showed no continuity with adjacent vessels, and there was no regional lymphadenopathy. Endoscopic submucosal dissection was successfully performed with en bloc resection. The final diagnosis was benign cavernous hemangioma of the stomach.
		                        		
		                        		
		                        		
		                        			Hemangioma
		                        			;
		                        		
		                        			Hemangioma, Cavernous
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Middle Aged
		                        			;
		                        		
		                        			Stomach
		                        			;
		                        		
		                        			Stomach Diseases
		                        			
		                        		
		                        	
            
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