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縱隔洞腫瘍의 診斷 및 治療上難點에 對한 檢討 : 20例에 對한 觀察
金義潤 최신의학사 1967 最新醫學 Vol.10 No.9
Author studied 20 cases of mediastinal tumors on the problems in diagnosis and management of the tumors, and the results were as followings. 1. The natures of each tumor of mediastinum could be generally obtainable by postero-anterior and lateral views of chest x-ray, and some atypical locations were observed among the malignant lesions. The more details of diagnosis in determination of malignancy were needed bronchography, esophagography and mediastinoscopy. 2. Malignant changes were seen in 2 cases out of 10 cases of benign mediastinal tumors. 3. Possibilities of malignancy were likely recognized when the margin of tumor shadow was irregular and bilaterally expanded in the mediastinum on postero-anterior views. 4. The transitional angle between opaque shadow of the tumor and mediastinal shadow was usually obtuse in the tumors of anterior mediastinum, but the lung tumors revealed usually acute angle. 5. The post-operative prognoses were very poor in malignant mediastinal tumors, and it seemed to be very important to determine pre-operatively the malignancy of the tumors.
김의윤 대한흉부심장혈관외과학회 1974 Journal of Chest Surgery (J Chest Surg) Vol.7 No.1
Influences on organ function were studied in animals during prolonged extracorporeal circulation with a bubble type of oxygenator. More than six hours of total cardiopulmonary bypass was performed under mild hypothermia by means of an extracorporeal circulation system in five dogs. Obtained results were summarized as follows. 1. The renal function was not so impaired seriously until four hours of extracorporeal circulation. However, there was more serious impairment of renal function in this study when extracorporeal circulation was carried out for a period of five hours or more. 2. There was gradual hepatic damage during extracorporeal circulation and the damage was more significant after bypass for a period of five to six hours. 3. There was a significant decrease in serum K during bypass, irrespective of the pump oxygenator prime with a high K solution. The reason for this is complex and due to many factors, however, it was evidently related to serum glucose levels during extracorporal circulation.