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- 저자 : 장광호(Kwang Ho Jang) (검색결과 45 건)
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Fungal frontal sinusitis in a dog
장광호,권영삼,강원모,장환수,송창현,최동학,김대영,이근우,오태호,장인호,Jang, Kwang-ho,Kwon, Yong-sam,Kang, Won-mo,Jang, Hwan-soo,Song, Chang-hyun,Choi, Dong-hag,Kim, Dae-young,Lee, Keun-woo,Oh, Tae-ho,Jang, In-ho The Korean Society of Veterinary Science 2000 대한수의학회지 Vol.40 No.3
A 6-year-old male Basset hound weighing 9.3 kg was presented with a history of severe mucopurulent discharge from the bilateral fronto-nasal area which had been developed progressively over 1 year. At admission, the physical state and appetite of the patient was poor. There was bilateral thick and mucoprulent discharge on the fronto-orbital area with fistula opening in the skin over the frontal bone. A sample of exudate was cultured and fungi were isolated. Radiographically, there was an increased diffuse opacity of the frontal sinus with decreased definition and a thickening of the mucous membrane lining the sinus. This case was finally diagnosed as chronic fungal frontal sinusitis. After surgical obliteration of the sinus, local and systemic antifungal therapy with chlorhexidine and ketoconazole were applicated. The dog had gradually recovered the physical state and appetite.
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Effect of carboxymethyl chitosan on postoperative intraperitoneal adhesion formation in the rat
장광호,권영삼,김정은,권은주,오태호,이근우,장인호,Jang, Kwang-ho,Kwon, Yong-sam,Kim, Jung-eun,Kwon, Eun-ju,Oh, Tae-ho,Lee, Keun-woo,Jang, In-ho The Korean Society of Veterinary Science 2000 대한수의학회지 Vol.40 No.3
The aim of this study was to determine the effectiveness of carboxymethyl chitosan(CMC) solution on preventing intraperitoneal adhesions. In this study, 44 rats were divided into four groups ; an untreated control group and three experimental groups that were treated with 3 ml of 1, 2 or 3% CMC solution, respectively. The anti-mesenteric serosa of the ileum was exteriorized and then abraded in a standard manner by scraping with a scalpel blade to create homogenous petechial hemorrhagic surface over a $0.5{\times}1cm$ area. The adhesions were blindly assessed 2 weeks later by using a computerized tensiometer. The mean tensile strength(Newton) of formed adhesions was $2.48{\pm}0.88$ in control group, $1.86{\pm}0.56$ in the 1% CMC-treated group, $1.75{\pm}0.71$ in the 2% CMC-treated group and $1.55{\pm}0.60$ in the 3% CMC-treated group. The most favorable prevention against adhesion was achieved in the 3% CMC-treated group(p<0.01). We could conclude that CMC was effective on preventing the formation of postoperative small intestinal adhesions in the rat.
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장광호,이주명,Jang, Kwang-ho,Lee, Joo-myoung 대한수의학회 1998 대한수의학회지 Vol.38 No.2
Photosensitization occurred in a 4-month old Holstein calf soon after going onto the pasture lush with green Japanese millet(Echinochloa crusgalli). Skin lesions were restricted to the unpigmented white area of skin. They were most pronounced on the dorsum of the body, diminishing in degree down the sides and were absent from the ventral part. The demarcation between lesions and normal skin was clearcut. There were edema, exudation and sloughing of affected skin on the left gluteal region, and erythema, edema and scab on right scapular region. Interception of the light, discontinuance of Japanese millet ingestion, and the administration of antihistamine and penicillin made the calf rapid recovery. This disease was considered photosensitization due to chlorphyll in ingested Japanese millet.
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견관절충돌증후군 환자에 대한 수정된 슬링운동과 일반적 등척성운동의 효과 비교
장광호,최종덕,이문환,김창용,Jang, Kwang-Ho,Choi, Jong-Duk,Lee, Moon-Hwan,Kim, Chang-Yong 대한물리치료학회 2010 대한물리치료학회지 Vol.22 No.5
Purpose: The purpose of this study was to compare modified sling exercise and general isometric exercise in patients with shoulder impingement syndrome. Methods: Twenty subjects were studied. The control group, n1 = 10, received instructions for doing general isometric (ISO) exercise. An experimental group, n2 = 10, received instructions for doing push-ups from standing and sitting positions and modified scapular exercises using a sling (3 sets, 3 times per week for 6 weeks). To evaluate the effects of exercise, subjects were evaluated using a visual analog scale for pain, a goniometer for range of motion, and electromyography for onset time of muscle contraction. Statistical analysis was done using the Wilcoxon Signed rank and Mann-Whitney U tests. Results: Pain in the sling group was significantly decreased after 6 weeks of treatment (p<0.05) pain in the general ISO exercise group was not significantly decreased (p>0.05). Flexion and external rotation were significantly increased after 6 weeks of treatment in both groups (p<0.05) and the change in the Sling group was greater than in the ISO group (p<0.05) in the flexion test. Time of onset of contractions in the Sling group for the upper trapezius, lower trapezius and serratus muscle were significantly decreased after 6 weeks of treatment (p<0.05), but the onset time for the middle trapezius did not significantly decrease (p>0.05). Conclusion: Scapular stabilizing exercise using a sling increases range of motion and decreases pain, and onset time of muscle contraction in patients with impingement syndrome.
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Detomidine이 한국재래산양의 혈압 및 산ㆍ염기 평형에 미치는 영향
장광호,남치주,권오경,Jang Kwang-Ho,Nam Tchi-Chou,Kweon Oh-Kyeong 한국임상수의학회 1989 한국임상수의학회지 Vol.6 No.1
This study was carried out to Investigate the effects of detomidine and xylazine on physical sign, electrocardiogram, blood pressure, acid-base status and the antagonistic effect of yohimbine on detomidine in goats. Yohimbine was administered 10 minutes after detomidine injection. Maintenance time of sedation was remarkably decreased in yohimbine-treated group(59.5${\pm}$3.8min). compared with detomidine-treated group(99.8 ${\pm}$ 14.7min). Body temperature was slightly decreased, heart rate was markedly decreased in all experimental groups and respiratory rate increased in detomidine-treated group and decreased in zylazine-treated group. However they were recovered rapidly after yohimbine administration In electrocardiogram, there were no significant changes except T waves and RR intervals. T waves showed negative form and RR intervals were increased but they were recovered rapidly in yohimbine-treated group compared with detomidine-treated group. Blood pressure was decreased after detomidine administration but recovered faster in yohimbine-treated group than in detomidine alone group. Blood pH was increased in detomidine-treated and yohimbine-treated groups but unchanged in xylazine-treatd group. It is considered that the effects of detomidine are similar to those of xylaxine and yohimbine is effective antagonist to detomidine in goats.
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장광호,남치주,Jang Kwang-Ho,Nam Tchi-chou 대한수의사회 1992 대한수의사회지 Vol.28 No.8
Colic atresia located at 40cm,96cm apart from ileo-ceco-colic orifice, respectively and colon was also obstructed approximately 100cm apart from anus in two calves. penile sized, belt like colons which were filled with white mucosa were connected between
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장광호(Kwang-Ho Jang),김보기(Bo-Ki Kim),최진주(Jin-Joo Choi),최흥식(Heung-Sik Choi),심성훈(Sung-Hun Sim) 한국전자파학회 2018 한국전자파학회논문지 Vol.29 No.2
본 논문은 마그네트론 대체를 위한 반도체 전력 발진기 모듈 설계에 관련된 내용을 기술하였다. 300급 LDMOS 단일 전력 증폭기의 특성을 확인하였고 두 개를 결합하여 모듈을 구성하였다. 결합된 모듈에 delay-line feedback loop을 구성하고 위상 천이기를 이용하여 위상을 조절하여 발진기를 구동시켰다. 발진기 모듈 측정 결과 주파수 2.327 ㎓에서 출력 800 W, 효율 58 %로 측정되었다. 이 결과는 시뮬레이션 결과와 유사한 특성을 보여준다. This paper presents a design study of a solid state power oscillator to replace the conventional magnetron. The operational conditions of a single-stage 300 W LDMOS power amplifier were fully characterized. The power module consisted of two amplifiers connected in parallel. A delay-line feedback loop was designed for self-oscillation. A phase shifter was inserted in the delay-line feedback loop for adjusting the round-trip phase. Experiments performed using the power oscillator showed an output power of 800 W and a DC-RF conversion efficiency of 58 % at 2.327 ㎓. The measured results were in good agreement with those predicted by numerical simulations.
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