사시수술 후 발생한 안와 연조직염

김규아,곽애영,최정범,박혜성,Gyu Ah Kim,Ae Young Kwak,Jung Bum Choi,Hae Song Park 대한안과학회 2013 대한안과학회지 Vol.54 No.5

Purpose: To report a case of sudden orbital cellulitis presenting 2 weeks after strabismus surgery in a patient who had previously undergone retinal surgery for rhegmatogenous retinal detachment. Case summary: A 45-year-old male visited the ophthalmology clinic with a 3-day history of left eye pain and lid swelling which suddenly developed 2 weeks after left lateral rectus muscle recession surgery for secondary sensory exotropia. The patient had undergone trans pars plana vitrectomy twice, scleral encircling, oil injection and removal for rhegmatogenous retinal detachment 1.3 years prior. His best corrected visual acuity was 0.2 in his left eye and physical examination revealed eyelid edema, chemosis, and subconjunctival hemorrhage of the left eye. The next day, eye movements were moderately restricted. Computed tomography scanning with contrast enhancement demonstrated diffuse periorbital soft tissue swelling and enhanced fat stranding suggesting left orbital cellulitis. The patient was hospitalized with intravenous broad spectrum antibiotics. He was discharged after a 5-day course of intravenous antibiotic treatment, but readmitted for symptom aggravation and purulent discharge from the left conjunctival fornix. Culture of conjunctival fornices revealed penicillin- resistant staphylococcus aureus. Intravenous anitibiotics were maintained for 11 days additionally and left eye swelling, tenderness and ocular movement restrictions were improved. The patient was discharged from the hospital with a best corrected visual acuity of 0.2.

라섹 후 잠복조절량 증가로 인한 일시적인 근시 편위

김규아,안지민,정우석.Gyu Ah Kim. MD. Ji Min Ahn. MD. Woo Suk Chung. MD 대한안과학회 2014 대한안과학회지 Vol.55 No.1

Purpose: To investigate accommodation and progress of patients who showed myopia on manifest refraction in the early postoperative period after LASEK. Methods: Forty-one eyes were included in the present study which had undergone LASEK surgery from February to March 2012. Seven eyes showed myopia over -0.25 D on manifest refraction at 1 month postoperatively, but showed decreased amount of myopia at 2 months postoperatively and were classified as group 1. The other 34 eyes were classified as group 2. The differences between cycloplegic and manifest refraction (CRSE-MRSE) were defined as the amount of latent accommodation and compared between the 2 groups. Results: Amount of latent accommodation was 0.179 ± 0.426 D in group 1 (7 eyes), 0.265 ± 0.303 D in group 2 (34 eyes) preoperatively, 1.286 ± 0.664 D in group 1, 0.368 ± 0.536 D in group 2 at 1 month postoperatively, and 0.500 ± 0.520 D in group 1, and 0.489 ± 0.546 D in group 2 at 2 months postoperatively. The amount of latent accommodation in group 1 was significantly greater than that of group 2 one month postoperatively. As the amount of latent accommodation decreased, the amount of myopic shift decreased gradually over 2 months in group 1 after surgery. Conclusions: Transient myopic shift due to increased latent accommodation was observed in several patients one month postoperatively and the amount of myopic shift decreased with time without treatment. Thus, surgeons should consider cycloplegic refraction when planning treatment for patients with myopic regression. J Korean Ophthalmol Soc 2014;55(1):40-46

FTA와 FMECA의 통합 방법의 안전성 분석에 대한 연구 및 유비쿼터스 응급구난 시스템에의 적용

김규아 ( Gyu-ah Kim ),박만곤 ( Man-gon Park ) 한국정보처리학회 2013 한국정보처리학회 학술대회논문집 Vol.20 No.1

현재에 시스템의 결함을 분석하는 안전성 분석 기법들이 여러 가지가 있다. 본 논문에서는 많은 결함 분석 기법 중에서 FTA(Fault Tree Analysis)와 FMECA(Failure Modes, Effect and Criticality Analysis)을 통하여 안전성 분석을 하고자 한다. 또한 이 두 가지 기법을 따로 사용하지 않고 전방에서 FTA 분석을 하고 후방에서 FMECA 분석을 수행하는 통합 기법을 제안한다. 이를 통해 각 기법의 단점을 최소화하고 장점을 최대화 하여 안전성 분석의 효율성을 제고하고자 한다.

Edutainment를 이용한 Yoga Health IT Convergence Scenario 설정에 대한 연구

김규아(Gyu-Ah Kim),박만곤(Man-Gon Park) 한국멀티미디어학회 2009 한국멀티미디어학회 학술발표논문집 Vol.2009 No.2

현대 산업 사회에 있어서 건강의 중요성은 강조하지 않아도 누구나 잘 알고 있는 현실이며, 여러 분야에서 많은 연구개발이 진행되고 있으나, Edutainment를 이용한 Yoga Health IT Convergence Scenario에 대한 연구는 현재 전무한 상태이며, 특히 IT를 통한 요가 Edutainment식 Scenario 설정에 대한 연구는 건강관리를 보다 체계적으로 연구하는데 기여하며, 특히 사이버 공간을 통하여 날로 급속하게 발전될 것이다.

비만 환자를 위한 U-Healthcare 서비스 시스템에 관한 연구

김규아(Gyu-Ah Kim),박만곤(Man-Gon) 한국멀티미디어학회 2010 한국멀티미디어학회 학술발표논문집 Vol.2010 No.2

오늘날 삶의 질이 향상됨에 따라 고도 비만환자들이 급속히 증가하고 있으며 이의 체계적인 관리 및 치료를 위해서 유비쿼터스 컴퓨팅 기술과 무선 센서 네트워크를 사용하여 언제 어디서나 센서 장치가 내장된 스마트단말기를 이용하여 비만관리 의료 서비스를 가능하게 하는 통합 유비쿼터스 헬스케어 서비스 시스템 구축을 의료기관들이 서두르고 있다. 본 연구에서는 논문에서는 언제 어느 장소에서나 가능한 비만 관리 및 치료를 위해서 다양한 방법의 소프트웨어적인 컨텐츠를 활용하여 체계적이고 효율적으로 비만이 관리되는 모델을 제시하고자 한다.

유비쿼터스 헬스케어 정보 시스템 구축을 위한 요구사항 분석

김규아(Gyu-Ah Kim),박만곤(Man-Gon Park) 한국멀티미디어학회 2010 한국멀티미디어학회 학술발표논문집 Vol.2010 No.1

U-헬스케어는 홈 네트워크상의 장치나 휴대용 장치 등을 이용하여 정보통신기술과 융합하여 의료시스템와 접목되며 개인의 생체정보 등을 실시간으로 모니터링하고 자동으로 병원 및 의사와 연결되어 시간과 공간에 구애받지 않고 언제 어디서나 건강을 관리하고 질병을 예방하고 관리하는 새로운 형태의 의료서비스로써, 현재 진료중심에서 예방중심으로 변화되고 조기 대응이 가능한 헬스케어 정보시스템 구축을 위한 요구분석사항들을 연구하고자 한다.

Effects of triathlon race on cardiac damage biomarkers in triahletes

Chan-Ho Park(박찬호),Bo Kyung Choi(최보경),Jung Hyun Kim(김정현),Gyu-Ah Kim(김규아),Bong Soo Kim(김봉수),Yu Jin Jung(정유진),Jung Hyune Park(박정현),Seong-Gyu Choi(최성규),Ji Hye Kim(김지혜),Yong-Jae Kim(김용재) 동북아시아문화학회 2016 동북아시아문화학회 국제학술대회 발표자료집 Vol.2016 No.7

Over the years, researchers have investigated to describe the changes in biomarkers of cardiac damage during recovery from strenuous and prolonged exercise events. A triathlon is an endurance sport-event, which includes swimming, cycling and running with various distances. This study was to investigate the effects of triathlon race on cardiac damage biomarkers in triathletes. Fifteen healthy men participated in the study. Based on performance, they were divided into elite athlete group (EG: n= 7) and non-elite athlete group (NEG: n= 8). Participants’ blood samples were obtained during four periods: before, immediately, 2 hours and 7 days after finishing the race. creatine kinase (CK), creatine kinase-myoglobin (CK-MB), myoglobin, and lactate dehydrogenase (LDH) were significantly increased in both groups immediately after, and 2 hours after finishing the race (p<.05). CK, CK-MB, and myoglobin were completely recovered after 7 days (p<0.05). Hematocrit(Hct) was significantly decreased in both groups (p<0.05) 7 days after the race. LDH was significantly decreased in the EG (p<0.05) only 7 days after the race. Homoglobin(Hb) was significantly decreased in the NEG (p<0.05) only 2 hours after the race. Although cardiac troponin T(cTnT) was significantly increased in the EG but not in the NEG 2hours after the race (p<.05), there was no group-by-time interaction. cTnT was completely recovered in both groups 7 days after the race. In conclusion, although there is exercise-induced skeletal muscle damage shown by increased CK and CK-MB, cTnT was not increased in both groups immediately after the race. But there was the significant increase in cTnT after 2 hours in EG. We can suggest that it was due to the enormous exercise stress for high performance imposed in EG. However, all cardiac damage markers return to normal range within 1 week.

신생혈관녹내장이 동반된 유리체강내 유구낭충증 1예

고재상,김규아,신주연,변석호,Jae Sang Ko,MD,Gyu Ah Kim,MD,Joo Youn Shin,MD,Suk Ho Byeon,MD,PhD 대한안과학회 2013 대한안과학회지 Vol.54 No.10

Purpose: To introduce a case of intravitreal cysticercosis presenting as neovascular glaucoma. Case summary: A 42-year-old female who lives in the Philippines visited our clinic complaining of reduced visual acuity and decreased visual field in her right eye. She was treated at another clinic for neovascular glaucoma and posterior uveitis. Initial best-corrected visual acuity was 0.7 and intraocular pressure was 13 mm Hg with Goldmann applanation tonometry. Slit lamp examination showed inflammatory cells in the anterior chamber and vitreous with florid new vessel on iris. On fundus examination, a cystic lesion without movement was observed in the superonasal vitreous as well as tractional band. As other retinal vascular diseases were not observed on fluorescein angiography, the patient was diagnosed with secondary neovascular glaucoma due to cysticercosis. After a single course of intravitreal bevacizumab injection and cyst removal with pars plana vitrectomy, the best-corrected visual acuity was 0.5 and intraocular pressure was 14 mm Hg without recurrence of iris neovascularization during the 3 months of follow-up.

위장관 출혈 후 발생한 양측성 앞허혈시신경병증 1예

고재상,김규아,신주연,변석호,Jae Sang Ko,Gyu Ah Kim,Joo Youn Shin,Suk Ho Byeon 대한안과학회 2014 대한안과학회지 Vol.55 No.1

Purpose: To introduce a case of bilateral anterior ischemic optic neuropathy (AION) after blood loss due to gastrointestinal bleeding. Case summary: A 50-year-old male patient with a history of type 1 diabetes mellitus and alcoholic liver cirrhosis presented with 3 days of melena and 1 day of general weakness and dizziness. Initial hemoglobin level was 4.7 g/dL and blood pressure was 100/55 mm Hg. On esophagogastroduodenoscopy, a peptic ulcer with evident recent bleeding was observed. After transfusion of packed red blood cells and endoscopic hemostasis of bleeding, his general condition improved but he complained of blurred vision in both eyes which developed immediately after the onset of melena. Initial best-corrected visual acuity (BCVA) was 0.5 in his right eye and 0.6 in the left eye. On fundus examination, swollen optic disc with blurred margin was noted and he had constricted visual fields. On follow-up, the patient received posterior subtenon triamcinolone injection in his right eye. After the procedure, the BCVA was improved to 0.8 in both eyes, but he still had bilateral pale optic disc with constricted visual field. Conclusions: In the case of visual loss after recent blood loss, AION should be considered as a diagnosis, which can present as bilateral involvement. J Korean Ophthalmol Soc 2014;55(1):161-166

혈액 투석 환자에서 발생한 비동맥염성 앞허혈시신경병증 1예

곽애영,김규아,최정범,Ae Young Kwak,MD,Gyu Ah Kim,MD,Jung Bum Choi,MD 대한안과학회 2013 대한안과학회지 Vol.54 No.12

Purpose: To report a case of non-arteritic anterior ischemic optic neuropathy (NAION) in a patient on hemodialysis.<br /> Case summary: A 59-year-old female undergoing intravenous hemodialysis developed sudden blurred vision for 2 days. Chronic hypotension and anemia may have been persisted for approximately 6 months before the onset of symptoms. Her corrected visual acuity in both eyes was 0.7 and visual field test showed superior arcuate defect in the left eye. Fundus photography showed inferonasal optic disc swelling and fluorescein angiography revealed hyperfluorescence of the disc in the late phase which was probably attributable to NAION. After 3 weeks, corrected visual acuity was 0.7 in the left eye and fundoscopic finding of the left eye was improved.<br /> Conclusions: Hemodialysis can cause a hypotensive event and anemia which may be associated with NAION. Avoiding acute hypotension and anemia should be advised to prevent development of NAION in dialysis patients. <br /> J Korean Ophthalmol Soc 2013;54(12):1960-1965