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여러 가지 트리암시놀론제재의 유리체강내 투명기름방울모양 잔존물 발생 양상의 비교
임한웅,고병우,송유미,박영숙,이병로,Han Woong Lim,M,D,Byung Woo Ko,M,D,Yumi Song,M,D,Young Sook Park,M,D,Byung Ro Lee,M,D 대한안과학회 2008 대한안과학회지 Vol.49 No.7
Purpose: To investigate the characteristics of the clear oil-drop residue observed in the vitreous cavity after intravitreal injection of different brands of triamcinolone acetonide (TA), and to compare this ingredient’s effects in those products. Methods: Intravitreal injections of four different brands of triamcinolone acetonide (4 mg/0.1 mL), which are commercially available in Korea, were given to 40 eyes for the treatment of macular edema due to a variety of causes from October 2005 through February 2006. Regular slit-lamp biomicroscopy of fundus had been performed periodically with digital image acquisition equipment after injection of TA for at least two months. We analyzed the characteristics of this residue and compared the number and size of this residue in each product. Results: Four TA products commercially available in Korea were used, with vehicles composed of preservatives and suspending agents. There were differences between products in respect to ingredients and content, as well as the characteristics of the intravitreal clear oil droplet-like residue. Conclusions: Each TA product has a variable frequency and variable amounts of clear oil droplet-like residue, which seems to be a component of the vehicle. This variation could generate differences in efficacy, side effects, and retaining duration. It should be verified whether commercial TA products are consistently safe and effective. J Korean Ophthalmol Soc 49(7):1087-1093, 2008
백내장수술 전 구후마취 직후 발생한 망막중심동맥과 중심정맥의 폐쇄 1예
임한웅,고병우,송유미,박영숙,이병로,Han Woong Lim,M,D,Byung Woo Ko,M,D,Yumi Song,M,D,Young Sook Park,M,D,Byung Ro Lee,M,D 대한안과학회 2008 대한안과학회지 Vol.49 No.6
Purpose: To report central retinal vein and artery occlusion after retrobulbar anesthesia for a cataract operation. Case summary: A 65-year-old woman was transferred to our facility 4 days after she had undergone cataract extraction with IOL implantation. She could count fingers and had a relative afferent papillary defect in her left eye. As seen upon fundus examination, dot-shaped, circular-shaped irregular, and partially linear-shaped retinal hemorrhages were evident. Fluorescein angiography revealed that branch arteries around the nasal and temporal areas were not filled, and that the filling of veins was delayed. After two weeks, the patient was only able to recognize hand motion, and her intraocular pressure was 10 mmHg. According to a fundus examination, the size and quantity of retinal hemorrhages increased, and a pale, macular edema was observed. Following fluorescein angiography, the filling defect of branch vessels on the nasal and temporal areas was still evident, and the blocked fluorescence of capillaries on the fundus was prominent. After two months, she could still only recognize hand motion, and her intraocular pressure had increased to 35 mmHg; we therefore diagnosed a neovascular glaucoma. Conclusions: A patient experienced a serious central retinal vessel occlusion after retrobulbar anesthesia for cataract extraction. Retrobulbar injections should therefore be administered with great caution to prevent this outcome. J Korean Ophthalmol Soc 49(6):1013-1017, 2008
임한웅,고병우,송유미,이병로,Han Woong Lim,Byung Woo Ko,Yumi Song,Byung Ro Lee 대한안과학회 2008 대한안과학회지 Vol.49 No.6
Purpose: To report a suprachoroidal hemorrhage by Valsalva maneuver during vitrectomy under general anesthesia. Case summary: A healthy 26-year-old man had vitrectomy under general anesthesia due to rhegmatogenous retinal detachment in his right eye. During scleral indentation and endolaser photocoagulation, he took a sudden and severe bucking reflex because the effect of general anesthesia was insufficient. After the bucking reflex, suprachoroidal hemorrhage occurred in his right eye. Immediate IOP elevation and hyperfluorocarbon tamponade was performed to remove the suprachoroidal hemorrhage and reattach the retina and choroid. The patient’s corrected visual acuity was 20/50 and slender crescent‐shaped choroidal rupture remained around the temporal area of the macula, unlike traumatic choroidal rupture. Following fluorescein angiography, staining was evident at the choroidal rupture site; no fluorescein leakage was evident. Conclusions: We report a case of acute suprachoroidal hemorrhage which we investigated by fundus examination and fluorescein angiography. J Korean Ophthalmol Soc 49(6):1022-1027, 2008
젊은 성인과 뇌졸중 장애인의 일상생활동작의 상지 관절운동범위 비교
김경(Kyung Kim),송원경(Won-Kyung Song),이정수(Jeongsu Lee),고병우(Byung-Woo Ko),박대성(Dae-Sung Park),김종배(Jongbae Kim) 한국HCI학회 2012 한국HCI학회 학술대회 Vol.2012 No.1
상지 재활을 위한 일상생활분석은 뇌졸중 장애인의 재활 훈련프로토콜을 구성하는 중요한 요소이다. 일상생활과 관련된 동작에 기인한 재활훈련은 치료 효과뿐만 아니라, 사용자에게 강한 동기부여를 유발시킨다. 본 논문에서는 젊은 성인의 상지일상생활동작과 비교하여 뇌졸중 장애인의 상지운동학적 특성을 알아보았다. 젊은 성인 8명과 뇌졸중 장애인 8명이 피험자로 참여하였고, 머리, 허리 및 무릎높이로 이루어진 12가지의 상지일상생활동작에 대하여 동작 분석을 실시함으로써 관절의 운동범위(Range of motion, ROM) 및 관절 ROM의 최소값과 최대값을 분석하였다. 분석결과, 뇌졸중 장애인은 머리높이의 물마시기 동작을 수행할때, 어깨관절의 외전-내전동작과 팔꿉관절의 굽힘-폄동작에서 유의하게 큰 관절운동범위가 분석되었고, 허리높이에 해당하는 물건 옮기기 동작 시, 어깨관절의 외전-내전 동작 및 내회전-외회전 동작과 팔꿉관절의 굽힘-폄 동작에서 유의하게 작은 관절운동범위를 갖는 특성을 보였다. 마비측 무릎에 손 가져가기 동작시, 뇌졸중 장애인은 팔꿉관절의 굽힘-폄동작에서만 유의하게 작은 관절운동범위 값이 분석되었다. 이러한 뇌졸중 장애인의 운동 특성은 정량적인 재활 훈련프로토콜 정립 및 다양한 컴퓨터 상호작용의 적용에 활용될 수 있을 것으로 기대한다. Analyzing activities of daily living (ADL) for the training protocol of practical upper limb rehabilitation is challenging in stroke patients. ADL task-based training provides the user with therapeutic effects as well as strong usage motivation. In this paper, kinematics of upper limbs in stroke survivors compared to kinematics of upper limbs in healthy subjects during upper limb ADL tasks. The motions of 8 healthy participants and 8 stroke patients were captured during ADL tasks in head, waist and knee levels, and then analyzed with respect to maximum and minimum angle and range of motion (ROM) of seven joints in upper limbs as kinematics. In case of ADL tasks in a head level, stroke patients have significantly bigger ROM in abduction-adduction motion of a shoulder joint and flexion-extension motion of an elbow joint, and stroke patients have significantly smaller ROM in abduction-adduction motion and external rotation motion of a shoulder joint and flexion-extension motion of an elbow joint during performing ADL tasks in a waist level. In a knee level, stroke patients only have smaller ROM in flexion-extension motion of an elbow joint. Thus, the characteristics of upper limb motion in stroke patients will be used for protocol of rehabilitation training, development of a rehabilitation robot, and various human-computer interaction.