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재활치료 중단 후 보행 양상이 다시 악화된 뇌졸중 환자 1례에 관한 고찰
김철현,문연주,Kim, Cheol-hyun,Moon, Yeon-ju 대한한방내과학회 2017 大韓韓方內科學會誌 Vol.38 No.2
Objective: This study describes the case of a patient with a left basal ganglia (BG) infarct who had made almost a complete recovery upon discharge from the hospital in 2014 but who was re-admitted after 31 months with a worsened hemiplegic gait. Methods: The patient had undergone no rehabilitation treatment in the 31 months since his discharge. When the patient was re-admitted to our hospital in 2017, stance and gait data were collected on the patient using a treadmill gait analysis system. In addition, the patient underwent a manual muscle test (MMT) evaluation, and his Motricity index (MI) and modified Barthel index (MBI) scores were recorded. After rehabilitation for one month, the patient was reassessed, and the results were compared to those on the day of re-admission and those recorded in 2014. Results: Compared to the 2014 evaluation results, the patient's stance parameters and gait parameters had worsened at re-admission. However, there was no significant change in the patient's MMT grade or MI and MBI scores in comparison to the results of the 2014 evaluation. After one month of rehabilitation, the patient was re-evaluated again, but there was no significant change in comparison to the evaluation results at re-admission. Conclusion: Some of the stroke patients who have passed six months since the onset of their stroke may require ongoing rehabilitation although the functions of them is almost recovered. Because there is a possibility that recovered functions get worse again without any rehabilitation for a long time. And once the recovered functions get worse, re-recovery of them is not easy.
중량조끼를 착용한 뇌졸중으로 인한 보행장애 환자의 즉각적인 보행 개선 효과 1례
김철현,홍해진,이상관,Kim, Cheol-hyun,Hong, Hae-jin,Lee, Sang-kwan 대한한방내과학회 2016 大韓韓方內科學會誌 Vol.37 No.5
Objective: To confirm the immediate gait improvement in a post-stroke gait disturbance patient equipped with a weighted vest. Methods: We selected a patient who was able to walk without another’s help or with tools. The selected patient had an unstable gait because she had only started an independent gait within the past week, so we thought that a weighted vest could be very helpful for her. We first collected gait parameters using a treadmill gait analysis system while the patient walked on the treadmill without the weighted vest. After a 10-minute break, gait parameters were collected again while the patient walked on the treadmill while wearing the weighted vest. The gait parameters we collected included step length (cm), stance phase (%), swing phase (%), SW/ST, and gait line length (mm). For objective evaluation of gait improvement, we calculated the ratio of gait parameters of the right and left limbs. Results: The gait of the post-stroke patient was more symmetrical when wearing the weighted vest than without the weighted vest. Without the weighted vest, her step length ratio was 0.78, stance phase ratio was 0.88, swing phase ratio was 1.50, SW/ST ratio was 1.70, and gait line length ratio was 0.91. With the weighted vest, her step length ratio was 0.88, stance phase ratio was 0.90, swing phase ratio was 1.38, SW/ST ratio was 1.54, and gait line length ratio was 0.98. No side effects were observed due to the weighted vest.
트립탄 계열 약물에 반응하지 않는 만성 편두통 환자 치험 1례
김철현,문연주,추홍민,양무학,Kim, Cheol-hyun,Moon, Yeon-ju,Chu, Hong-min,Yang, Mu-hack 대한한방내과학회 2018 大韓韓方內科學會誌 Vol.39 No.2
Introduction: This case report assessed the effects of Korean medicine treatments on a chronic migraine patient who did not respond to triptan. Case Presentation: The patient received Korean medicine treatments, such as acupuncture, moxibustion, cupping, and herbal medication, during a hospitalization period. The effects of treatments were assessed with the Numerical Rating Scale (NRS) and migraine attack frequency. The intensity and attack frequency of migraines were significantly reduced after the complete treatment. Conclusions: For migraines, Korean medicine such as acupuncture and herbal medication could be an alternative to conventional therapy.
합성의약품으로 호전되지 않은 소화기 증상 환자(KCD K-코드)에 대한 반하사심탕 제제 병용의 효과 : 후향적 차트 분석
김철현,김광호,이영웅,강선이,강건희,Kim, Cheol-hyun,Kim, Kwangho,Lee, Young-ung,Kang, Sunny,Kang, Geonhui 대한한방내과학회 2021 大韓韓方內科學會誌 Vol.42 No.6
Objectives: The aim of this study was to evaluate the effectiveness of additional administration of Banha-sasim-tang formulation to patients with gastrointestinal symptoms that did not improve with Western medicines. Methods: The patients who met the inclusion and exclusion criteria were analyzed retrospectively. A paired t-test was performed on the Nepean Dyspepsia Index-Korean version (NDI-K) scores before and after administering the Banha-sasim-tang formulation. Results: A total of 27 subjects were included. The mean duration of taking the Banha-sasim-tang formulation was 15.6±3.1 days. The most commonly used Western medicine before taking the Banha-sasim-tang formulation was rebamipide. The means of the NDI-K score were 57.4±21.8 before administering Banha-sasim-tang formulation and 34.9±16.5 after administration, and the difference was statistically significant (p<0.0001). No serious side effects were encountered while taking the Banha-sasim-tang formulation. Conclusions: For patients whose gastrointestinal symptoms do not improve with Western medicines, additional administration of Banha-sasim-tang formulation may be an option. However, as this study is a retrospective chart review, prospective, large-scale, double-blind studies are needed in the future.
VAR 모형을 이용한 유통단계별 갈치가격의 인과성 분석
김철현 ( Cheol Hyun Kim ),남종오 ( Jong Oh Nam ) 한국수산경영학회 2015 수산경영론집 Vol.46 No.1
This study aims to analyze causalities among Hairtail prices by distribution channel using a vector autoregressive model. This study applies unit-root test for stability of data, uses Granger causality test to know interaction among Hairtail Prices by distribution channel, and employes the vector autoregressive model to estimate statistical impacts among t-2 period variables used in model. Analyzing results of this study are as follows. First, ADF, PP, and KPSS tests show that the change rate of Hairtail price by distribution channel differentiated by logarithm is stable. Second, a Granger causality test presents that the producer price of Hairtail leads the wholesale price and then the wholesale price leads the consumer price. Third, the vector autoregressive model suggests that the change rate of Hairtail producer price of t-2 period variables statistically, significantly impacts change rates of own, wholesale, and consumer prices at current period. Fourth, the impulse response analysis indicates that impulse responses of the structural shocks with a respectively distribution channel of the Hairtail prices are relatively more powerful in own distribution channel than in other distribution channels. Fifth, a forecast error variance decomposition of the Hairtail prices points out that the own price has relatively more powerful influence than other prices.
제1발표장 : 노외기계시스템 분야; CUP기반 UTV 메인프레임 경량화 및 가속 내구 평가 연구
김철현 ( Cheol Hyun Kim ),탁양호 ( Yang Ho Tak ),김재옥 ( Jae Oak Kim ),박종수 ( Jong Soo Park ) 한국농업기계학회 2014 한국농업기계학회 학술발표논문집 Vol.19 No.1
본 연구를 통한 신규 가속 내구시험모드 개발로 검증 시간을 45% 수준으로 단축시키는 효과를 얻었으며, 국부적이지만 메인프레임의 안전율을 낮춤으로써 13.4%의 무게 경량화를 이루었고 메인프레임에 대한 CAE 동역학 및 구조해석 결과와도 비교하기 위한 기틀을 마련하였으며 향후 개발되는 모든 섀시 부품에 평가 프로세스의 수평 전개가 가능 할 것으로 판단한다.
팀워크에 기반을 둔 랜덤 LED 모듈을 이용한 디지털 알람시계 모듈 개발
김철현(Cheol-Hyun Kim),오창윤(Chang-Youn Oh) 산업기술교육훈련학회 2012 산업기술연구논문지 (JITR) Vol.17 No.3
The aim of this study is to make a production with a student and a student , a student and a professor of a enterprise and enterprises through the practice of the project. For this aim, as the students make themselves the digital alarm clock, we want to give the students to get rid of the fear of getting a job and to change the understanding of the enterprises with a sense of goal of entering a profession and self- confidence and thinking of enterprising and strong confidence by connecting of the theory and the practice of a major field of study and by using of the project of the teamwork and through the analysis, proposition, discussion and the presentation of the related issues.