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RISS 인기검색어
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- 저자 : Choi Jaeryung (검색결과 4 건)
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증식당뇨망막병증 환자에서 유리체절제술시 일상적인 내경계막제거술의 효과
최영재,김성우,오인경,오재령,허걸.Young Jae Choi. M.D.. Sung Woo Kim. M.D.. In Kyoung Oh. M.D.. Jaeryung Oh. M.D.. Kuhl Huh. M.D.. Ph.D. 대한안과학회 2008 대한안과학회지 Vol.49 No.4
Purpose: To evaluate the efficacy of internal limiting membrane (ILM) removal during vitrectomy in proliferative diabetic retinopathy (PDR) patients. Methods: Seventy-four eyes of 74 PDR patients who underwent vitrectomy were enrolled. All patients had been followed for at least one year. Thirty-three patients who underwent vitrectomy without ILM peeling from January 2004 to February 2005 were assigned to Group A and 41 patients who underwent vitrectomy with ILM peeling from March 2005 to October 2005 were assigned to Group B. Visual acuity (LogMAR), central macular thickness measured by optical coherent tomography (OCT), and presence or absence of macular edema were compared between the two groups at six months and one year after surgery. Results: Postoperative mean best corrective visual acuity (BCVA; LogMAR) were improved significantly in both groups at six months and one year after surgery. However, the overall amount of improvement in vision was not different between the two groups. The mean central forveal thickness in Group B was significantly thinner than in Group A at six months and one year after surgery. There was no difference between the two groups in macular edema incidence at that time. There were no serious complications in Group B by one year after surgery. Conclusions: There was no difference in visual acuity between the Group A and Group B However, the central forveal thickness measured by OCT was thinner in the ILM peeling group, and there were no serious complications in ILM peeling group. Routine ILM peeling during vitrectomy in PDR will help to maintain the structural stability of the macula postoperatively.
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실리콘기름주입술을 동반한 유리체절제술 시행 후 지연 폐쇄된 황반원공 1예
최용민,오재령,김성우,허걸,Yong-Min Choi,Jaeryung Oh,Seong-Woo Kim,Kuhl Huh 대한안과학회 2013 대한안과학회지 Vol.54 No.4
Purpose: To report a case of delayed sealing of full-thickness macular hole associated with diabetic retinopathy after vitrectomy with silicone oil tamponade. Case summary: A 63-year-old woman visited our clinic complaining of decreased visual acuity in her left eye. Fundoscopy showed a full-thickness macular hole with vitreomacular traction in the left eye and bilateral proliferative diabetic retinopathy. The patient underwent uncomplicated phacoemulsification and pars plana vitrectomy with silicone oil tamponade because her vision in the contralateral eye was only light perception. She was unable to maintain a prone position postoperatively due to anterior chamber hyphema. At 1.5 months after surgery, vitreomacular traction was removed but the hole was not sealed as observed on optical coherence tomography. Approximately 3 months after vitrectomy, the macular hole was sealed with minimal subfoveal fluid. At 6 months after vitrectomy, the macular hole was closed completely with no subfoveal fluid.
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The Effectiveness of Cognitive Behavioral Therapy on Depressive Symptoms in North Korean Refugees
Jeon Sehyun,Lee Jiyoun,Jun Jin Yong,Park Young Su,Cho Jaehee,Choi Jaeryung,Jeon Younsuk,Kim Seog Ju 대한신경정신의학회 2020 PSYCHIATRY INVESTIGATION Vol.17 No.7
Objective Despite the growing need for psychological programs for North Korean refugees, most psychological interventions for these people lack a verification study that tests their effectiveness. This study aims to evaluate the effectiveness of cognitive behavioral therapy (CBT) in North Korean refugees.Methods Participants included 38 North Korean refugees, of whom 23 participated in simple relaxation and 15 participated in CBT. The Korean version of the Center for Epidemiologic Studies Depression Scale (CES-D), State-Trait Anxiety Inventory-State (STAI-S), and Impact of Event Scale-Revised were used to evaluate symptoms pre- and post-intervention.Results Participants had a significant decrease in CES-D scores after treatment (p=0.037). The decrease in CES-D was larger in those who participated in the CBT compared to those in simple relaxation (p=0.023). The superior effects that CBT had on depressive symptoms over simple relaxation were particularly more prominent in those with severe depression (p=0.035). Participants with high levels of anxiety also showed significant decreases in STAI-S scores after treatment, regardless of which type of program they participated in (p=0.023).Conclusion This preliminary findings suggests that CBT is an effective psychiatric approach in treating depressive symptoms in North Korean refugees, especially for those with a higher degree of depressive symptom.
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RGB 채널치환을 이용한 내시경영상 향상을 위한 예비 연구
이동환,양찬주,정훈용,이재령,남수정,최승호,Lee, Dong Hwan,Yang, Chan Joo,Jung, Hwoon-Yong,Lee, Jaeryung,Nam, Soo-Jung,Choi, Seung-Ho 대한기관식도과학회 2012 大韓氣管食道科學會誌 Vol.18 No.2
Background Neoplastic vessels tend to proliferate on the surface of malignant lesions in the aerodigestive tract. So, superficial malignant lesions can be detected earlier by enhancing mucosal vascular clarity. To enhance mucosal vascular clarity on endoscopic image, we developed an image processing algorithm of RGB (red-green-blue) channel substitution image (CSI). Methods Each pixel in original white light image (WLI) has its own value of red, green and blue channel. Various combinations of RGB channel substitution was tried on original WLI. Results To make superficial blood vessels darker than brighter background mucosa, in the CSI algorithm, RGB value in each pixel of WLI is substituted; red value to green one, green value to blue one. There was a good contrast between superficial mucosal vessels and background brighter mucosa in the CSI image. Conclusion By RGB CSI algorithm, WLI could be successfully converted to new images with enhanced mucosal vascular clarity. Using RGB CSI algorithm could provide added vascular visibility on original WLI.
KCI
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