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최기섭(Ki Sub Choi),이형석(Hyung Seok Lee),정진혁(Jin Hyeok Jeong),박인범(In Beom Park),한장희(Jang Hee Han),태경(Kyung Tae) 대한두경부종양학회 2004 대한두경부 종양학회지 Vol.20 No.2
Objective: The aim of this study is to evaluate shoulder function and preoperative and postoperative electrophysiological changes related to the spinal accessory nerve with reference to neck dissection technique. Materials and Methods: We evaluated shoulder function by pain, strength and range of motion in a total of 35 neck dissection cases of 29 patients with head and neck cancer or thyroid papillary cancer. Electrophysiologic studies were performed before surgery, after third postoperative weeks and 6 months respectively. The results of each test according to the types of neck dissection were compared. Results: Clinical parameters of shoulder function and electrophysiologic study showed deterioration in early postoperative periods and improvements in late postoperative periods when the spinal accessory nerve was spared and permanent nerve damage was observed in radical neck dissection. There were correlations between the clinical parameters and electrophysiologic studies. Conclusion: The shoulder function after spinal accessory nerve sparing procedure is better than the function after nerve sacrificing procedure.
이동희,오기영,이규훈,최기섭,김미정,Lee, Dong-Hee,Oh, Ki-Young,Lee, Kyu-Hoon,Choi, Ki-Sub,Kim, Mi-Jung 한국재활간호학회 2004 재활간호학회지 Vol.7 No.1
Purpose: The aim of this study is to evaluate the general status and prevalence of cerebral palsy, the complication and the activity of daily living in patients with cerebral palsy in Holt Ilsan Home. Methods: Cross-sectional study was performed on 113 cerebral palsy patients in Holt Ilsan Home with the medical records review, the physical examination, and the Modified Barthel index for the independency of activities of daily living. Results: The mean age of subjects was $28.1{\pm}12.7$ years and the duration of residence was $22.9{\pm}12.8$ years. The most common type of cerebral palsy according to the muscle tone abnormality was spastic type(53.1%). The most frequent condition in which extremities are involved were quadriplegia in 46.0%. The score of Modified Barthel index was significantly lower in mixed type for $16.9{\pm}24.0$ and quadriplegic type for $14.8{\pm}25.5$ compared with others. Conclusion: This study indicates that cerebral palsy patients in rehabilitation facility have severe medical problems such as musculoskeletal complications, visual and language problems, epilepsy and dependency in activities of daily living. Therefore more medical attention like long-term follow-up study and social supports is needed.
기립 자세에서 나이가 자세 흔들림 및 치우침에 미치는 영향
박노천(Ro-Cheon Park),이규훈(Gu-hun Lee),최보율(Bo-Youl Choi),최기섭(Ki-Sub Choi) 대한임상노인의학회 2002 대한임상노인의학회지 Vol.3 No.3
Background : This study is designed to evaluate the effect of ageing on postural sway and limb load asymmetry(LLA) during quiet stance in normal adult. Method : Two hundred and eighty eight healthy subjects(140 males and 148 females whose age was 50.2 ± 13.8 years-old) volunteered. Subjects was divided into 6 age group whose gender ratio showed relatively even distribution. Postural sway and body weight distribution were recorded while the subject was standing on two adjacent force platforms(Medianceⓡ; Human-Tech Inc, Korea) during 120s trial. All subjects chose a comfortable stance with feet apart, slightly turned out, and asked to look straight ahead at a fixed point in a quiet room. Results : The result indicate that postural sway and LLA were significantly associated with ageing. But postural sway and LLA were not associated with each other. Conclusion : Postural sway and LLA were related with the ageing process. And the evaluation of postural sway and LLA will be necessary in old age group for the prevention of fall.
차세대 인터넷망에서 IPv6 와 IPv4 네트워크간 프로토콜 전환시스템 구축
김동욱(Dong-Uk Kim),박성주(Sung-Ju Park),최기섭(Ki-Sub Choi),공기석(Ki-Sok Kong),서대영(Dae-Young Seo) 한국정보과학회 2003 한국정보과학회 학술발표논문집 Vol.30 No.2Ⅲ
차세대 인터넷의 기반이 되고 있는 IPv6가 소개된 이후 IPv4 인터넷 세계에서 IPv6 네트워킹이 가능하게 되었다. 현재 IPv6 도입을 위한 시험망이 세계 각국에서 구축되고 이으며, 이러한 IPv6망을 인터넷 망에 연결하기 위한 IPv6로의 전이에 대한 연구가 활발하게 추진되고 있다. 성공적으로 IPv6 로 전환하기 위해 무엇보다 필요한 것이 기존에 동작되고 있는 IPv4 에서 IPv6 로의 자연스러운 이전을 지원해 주는 IPv6 전환 메커니즘이다. 본 논문에서는 이러한 IPv6 로의 전이 단계에서의 전환기법들 중 NAT-PT를 기반으로 한 양 방향 프로토콜 전환기법의 연구 및 실제 구축을 통한 NAT-PT의 기능에 대한 연구를 수행하였다.
토끼에서 enrofloxacin과 enrofloxacin acetate의 比較藥物動態學
윤효인,박승춘,김창식,김민규,최기섭,신광순,박종일,조준형,조명행 충남대학교 수의과대학 동물의과학연구소 1996 動物醫科學硏究誌 Vol.4 No.-
This study was designed to examine the in vitro antibacterial activities and pharmacokinetics of enrofloxacin acetate (ENFXA) and enrofloxacin (ENFX). Two enrofloxacins had wide spectrum antibacterial activities against Gram positive and negative bacteria, and mycoplasma, showing potent antibacterial activities with low MICs (0.05-3.33 ㎍/㎖ for Gram positives, 0.002 ㎍/㎖ for Gram negatives and 0.02 ㎍/㎖ for mycoplasma). In order to investigate the profiles of two formulations of enrofloxacin we studied comparative pharmacokinetics of them in rabbits. Five rabbits were given 5 ㎎/㎏ body weight of each enrofloxacin formulation intravenously (i.v.) and orally (p.o.) in a cross-over study. Pharmacokinetic parameters of both formulations were calculated by the use of PCNONLIN, a computer program. Their bioavailibility in rabbits, the means of the area under the curve (AUC). After oral administration of each formulation in rabbits, the mean elimination half-lives (t_1/2,ke) were 3.25h (ENFX) and 4.32 h (ENFXA), and mean AUC 4.27 ㎍·h/㎖ (ENFX) and 6.21 ㎍·h/㎖ (ENFXA). Both enrofloxacin formulations seemed to have good tissue distribution and penetration as indicated by large volume of distribution: 4.76 1/㎏ for ENFX and 7.23 1/㎏ for ENFXA. With the results obtained in this study, ENFXA could be used in place of ENFX in rabbits.