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진현철,이영춘,이세엽,Hyun Chul Jin,Young Chun Lee,Se Youp Lee 대한안과학회 2012 대한안과학회지 Vol.53 No.1
Purpose: The present study was conducted to identify the correlation between control grade and stereoacuity in basic intermittent exotropia (X[T]). Methods: Eighty-six patients with basic X (T) were divided into 3 subgroups according to their control grade and the near and distant stereoacuities were evaluated. Results: Group 1; good control group, consisted of 28 patients, group 2; fair control, 30 patients, and group 3; poor control, 28 patients. Mean near stereoacuities measured by the Titmus test were 58.21 arcseconds in group 1, 75.33 arcseconds in group 2, and 151.43 arcseconds in group 3. The mean distant stereoacuities measured by a Mentor B-VAT? II-SG videoacuity tester were 118.93 arcseconds in group 1, 165.33 arcseconds in group 2, and 276.43 arcseconds in group 3. When comparing the 3 groups, the poorer the control grade, the worse were the near and distant stereoacuities (p = 0.002, p < 0.001). When compared in pairs, however, group 1 showed a better near stereoacuity than groups 2 and 3 (p = 0.02, p = 0.002, respectively), while group 2 and group 3 did not show any distinct differences (p = 0.13). Group 1 also showed a better distant stereoacuity than groups 2 and 3 (p = 0.02, p < 0.001, respectively), as did group 2 compared to group 3 (p < 0.001). Conclusions: Control grade and distant stereoacuity have significant correlation in patients with basic X (T) and can function as helpful indicators for monitoring the deterioration and progression of exodeviation. J Korean Ophthalmol Soc 2012;53(1):133-137
정재욱,진현철,김광수,김유철,Jae Wook Jung,MD,Hyun Chul Jin,MD,Kwang Soo Kim,MD,Yu Cheol Kim,MD 대한안과학회 2010 대한안과학회지 Vol.51 No.8
Purpose: To report a case of compressive optic neuropathy due to breast cancer metastasis to the periorbital lesion 26 years after the treatment of primary cancer. Case summary: A 64-year-old female presented with headache, facial pain and visual disturbance in her left eye for four months. The patient had received chemotherapy and radiotherapy after left breast modified radical mastectomy for invasive ductal carcinoma 26 years previously, and right breast wide resection with axillary dissection nine years earlier. Best corrected visual acuity was 20/20 in the right eye and 8/20 in the left eye. The color perception test showed abnormal findings in the left eye. MRI and PET-CT revealed an enhancing mass in the left periorbital area that was compressing the optic nerve. Partial resection of the tumor and left orbital wall was performed. Adjuvant chemotherapy and radiotherapy was performed after the operation. After two months later, the best corrected visual acuity was 20/20 in the left eye, and the color perception test showed normal findings, which have been maintained for one year. Conclusions: Prompt management can result in visual recovery in patients with compressive optic neuropathy caused by breast cancer metastasis. J Korean Ophthalmol Soc 2010;51(8):1161-1165
조미경,구병철,김가란,천홍섭,이지영,이환희,조아라,황가람,강신후,오지현,진현아,Cho, Mi-Kyoung,Koo, Byung-Chul,Kim, Ga-Ran,Cheon, Hong-Seop,Lee, Jee-Young,Lee, Hwan-Hee,Cho, A-Ra,Whang, Ga-Ram,Kang, Shin-Hu,Oh, Ji-Hyeon,Jin, Hyun-A 서울대학교 간호과학연구소 2017 간호학의 지평 Vol.14 No.2
Purpose: This study aims to identify the factors that affect the expected frequency of performance and the importance in nursing practice of total care service recognized by nursing college students. Methods: This is a descriptive study. A self-administered questionnaire survey was conducted on 288 nursing students of E university and data was collected and analyzed using the SPSS program. Results: The average scores for the expected frequency of performance and the importance in nursing practice of total care service were $4.07{\pm}0.58$ and $4.00{\pm}0.50$ respectively. The expected frequency of performance was found to have a significantly positive correlation with the importance in nursing practice. Additionally, the factors that influenced the degree of recognition in the expected frequency of performance and the importance in nursing practice of total care service among nursing students were comfortable care and respiratory care, respectively. Conclusion: The major finding of this study shows a significantly positive correlation between the expected frequency of performance and the importance in nursing practice. These results suggest that effective and systematic education is needed on factors affecting the expected frequency of performance and the importance in nursing practice for nursing college students.
최연주,진현철,김남주,정호경,곽상인.Youn Joo Choi. MD. Hyun Chul Jin. MD. Nam Ju Kim. MD. Ho Kyung Choung. MD.Sang In Khwarg. MD. 대한안과학회 2013 대한안과학회지 Vol.54 No.4
Purpose: Lymphomatoid papulosis (LyP) is one of the primary cutaneous CD30-positive lymphoproliferative disorders. LyP of the eyelid has rarely been reported. Herein, a case of typical LyP of the medial canthal area is reported. In addition, a literature review was performed. Case summary: A 40-year-old female presented with a skin mass in the medial canthal area of the left eye that developed 2 months earlier. Initially, a focal skin lesion developed, and even with conservative treatment at a local clinic, progressed to a mass lesion having a central ulceration and adjacent edema. After 6 weeks, the adjacent edema had gradually decreased. On ophthalmic examination, the left medial canthal lesion was a 6 x 6 mm sized elevated mass with a central crater covered by crust. The clinical impression was keratoacanthoma. The lesion was widely excised and reconstructed by a full-thickness skin graft after an incisional biopsy. Histopathologic findings showed dermal infiltration of various inflammatory cells with atypical lymphocytes showing positivity to the CD30 antigen, and LyP was diagnosed. Systemic evaluation showed no evidence of systemic lymphoma and the patient has remained free of recurrence or systemic disease after a 1-year follow-up.
박용욱,정영기,유정한,박홍준,유선오,진현철,Park, Yong-Wook,Chung, Yung-Khee,Yoo, Jung-Han,Park, Hong-Jun,Yu, Sun-O,Jin, Hyun-Chul 대한족부족관절학회 2001 대한족부족관절학회지 Vol.5 No.1
Intra-osseous ganglion is an uncommon benign bone tumor caused by an intramedullary metaplastic event. Two cases of the intraosseous ganglion of the foot are presented; one in the metatarsus and the other in the talus. Follow-up averaged 14 months. Satisfactory results were obtained with curettage, cancellous bone graft from the ipsilateral calcaneus. No recurrence and complications occurred during the period of follow-up.
전준영(Joon-Young Jeon),김종수(Jong-Su Kim),최규영(Gyu-Young Choe),신승민(Seung-Min Shin),김동희(Dong-Hee Kim),우동균(Dong-Gyun Woo),이병국(Byoung-Kuk Lee),진현철(Hyun-Chul Jin) 전력전자학회 2010 전력전자학술대회 논문집 Vol.2010 No.11
본 논문에서는 5㎾급 가정용 DC급전 시스템을 모의하고 시스템 도입 시 발생 가능한 문제점을 실증하기 위하여 5㎾급 가정용 DC급전 Test-Bed를 시뮬레이션 및 제작한다. 가정용 DC급전에 필요한 DC link를 5㎾급 PWM 컨버터를 이용하여 380V의 고전압 DC link를 구성하고 1㎾급 위상 천이 컨버터를 이용하여 12V의 저전압 DC link를 구성하여 고전압, 저전압 DC급전 상황을 비교 분석할 수 있게 한다. 또한 모터 구동부하를 모의하기 위한 2㎾급 인버터를 추가하여 부하 환경에 따라 DC급전 시스템에서 발생 가능한 문제점을 유도할 수 있도록 한다.