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안혁,장병철,임승평,Ahn, Hyuk,Chang, Byung-Chul,Lim, Seung-Pyung 대한흉부심장혈관외과학회 1984 Journal of Chest Surgery (J Chest Surg) Vol.17 No.1
A 25 years old male patient with traumatic aneurysm of descending thoracic aorta was treated successfully. He was admitted due to blunt trauma to the chest wall as falling down into water. He has been treated with closed thoracotomy and close observation. After a month simple chest film showed abnormal mass shadow around the aortic knob. Aortogram revealed aneurysm of descending thoracic aorta. Aneurysm was resected and replaced with woven Dacron graft with aid of Gotts shunt. His postoperative course was uneventful.
미세변화형 신증후군 환아에서 발생한 우측총장골동맥 혈전증 1례
남현주,김지홍,김병길,장병철,Nam Hyun-Joo,Kim Ji-Hong,Kim Pyung-Kil,Chang Byung-Chul 대한소아신장학회 1998 Childhood kidney diseases Vol.2 No.1
Thromboemolism is one of the severe complications of nephrotic syndrome. And arterial thromboembolism is rare than venous thromboembolism. Hypercoagulability is the main pathophysiologic factors of thromboembolism in nephrotic syndrome with severe hypoalbuminemia. We experienced one case of arterial thromboembolism which occured in right common iliac artery. It was seen in a 6 year-old male child that presented with generalized edema and rigth ankle joint pain. Emergency embolectomy and anticoagulant therapy (heparin and antithrombin III) was performed. He didn't have to be amputated and recovered to self ambulation. This is an uncommon case that successful recovery was possible by early diagnosis and invasive surgical management with proper anticoagulant therapy.
Yoon-Hyuck Chang(장윤혁),Joong-Hyun Yeom(염중현),Kyung-Hwan Jung(정경환),Byung Chul Chang(장병철),Jung Hee Shin(신정희),Sun-Kyun Yoo(유선균) 한국생명과학회 2009 생명과학회지 Vol.19 No.4
본 연구는 Lipomyces starkeyi KCTC 17343에 의한 dextranase 최적 생산 조건을 확립하고 dextran에 대한 효소분해 특성을 규명하였다. 균주의 성장과 dextranase생산은 발효초기 pH와 온도에 따라 다르며 최적 pH는 4-5, 최적온도는 25-30℃의 범위에서 결정이 되었다. 최적 발효조건에서의 dextranase 생산은 total enzyme activity가 4.85 IU/㎖으로 나타났다. 이때의 발효균주의 specific growth rate는 0.076h?¹이었다. 발효 중 dextranase의 활성은 발효 정상기에서도 안정성을 유지하였다. Dextranase에 의한 dextran을 가수분해 결과, 가수분해물의 구성은 DP2 to 8에 이르는 올리고 덱스트란으로 이루어졌다. We optimized dextranase culture conditions by batch fermentation using Lipomyces starkeyi KCTC 17343. Furthermore, dextranase was purified by an ultra-membrane, and then dextran hydrolyzates were characterized. Cell growth and dextranase production varied depending on the initial culture pH and temperature. The conditions of optimal dextranase production were met in a pH range of 4-5 and temperature between 25-30℃. At optimal fermentation conditions, total enzyme activity and specific enzyme activity were about 4.85 IU/㎖ and 0.79 IU/g cells, respectively. The specific growth rate was examined to be 0.076 hr-¹. The production of dextranase in culture broth was very stably maintained after mid-log phase of growth. The enzyme hydrolyzed dextran into DP (degree of polymerization) 2 to 8 oligodextran series. Analysis of the composition of hydrolysates suggested that the enzyme produced is an endo-dextranase.