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문인성,박장상,고용복,김용귀,홍성곤,김승남 대한혈관외과학회 1999 Vascular Specialist International Vol.15 No.1
The early diagnosis of abdominal aortic aneurysms are difficult, especially when they are not clinically evident. Because of the generalized nature of atherosclerosis, there is reason to believe that there is a high incidence of aneurysms of the abdominal aorta in patients with peripheral vascular disease. But the screening test for hidden abdominal aortic aneurysms in patients with peripheral arterial disease has not been used for routine manner. So we retrospectively reviewed the 9 patients who had asymptomatic abdominal aortic aneurysms with symptomatic peripheral arterial disease during the last four and half-year period: among them three aneurysms were screened preoperatively by physical examination with their diameter more than 5 cm and 6 aneurysms were found intraoperatively with their mean diameter of 3.8cm. The ages ranged from 66 through 84 years with the mean age 73 years. There were 7 men and 2 women. The sites of the peripheral occlusive disease is as follows: femoral artery only in 1, iliac artery only in 2, both iliac and femoral arteries in 5, and from iliac artery through tibial artery with thrombus formation in 1. We suggest that ultrasonographic screening for the presence of hidden abdominal aortic aneurysm preoperatively in patients with lower extremity occlusive arterial disease is needed, especially when the ages of patients is older than 65 years and the site of arterial disease include iliac segment.
중국, 한국, 조선족 중고등학생의 학교따돌림 피해실태에 대한 비교연구
최미경,김광일,박용천,이동근,고복자 關東大學校 醫科大學 醫科學硏究所 2004 關東醫大學術誌 Vol.8 No.2
This study was attempted to compare the aspects of victims including incidence rate of bullying victims, type of bullying and period and place of bullying for the past one year among Chinese, Korean and Korean-Chinese juveniles of 605, 683 and 617, respectively. Investigation with the self-administered questionnaire was conducted, which was for Korean, Chinese and Korean-Chinese junior high and high school students(12 schools in total of each 2 junior high schools and each 2 high schools) in Seoul and Yanbian between Oct. 2001 and Mar. 2002. Findings of this study are as follows: The definite characteristics of Korean victims were found: Generally, they showed low incidence rate of bullying victims but they showed more "alienated follower type" bullying, more period and frequency of bullying, and more collective bullying than Chinese and Korean-Chinese students. Also, they showed more severe psychological pain and lethargy - a state of sluggishness when other students are bullied - compared to Chinese and Korean-Chinese students. The other side, most of Korean-Chinese victims replied "They wanted revenge" as a feeling after being bullied like Korean victims but significant numbers of them replied "They endured" as a coping method, suggesting their psychological pain. On the other hand, Korean-Chinese students showed more bullying victims "outside the school" than Korean and Chinese students, suggesting difficulty in intervention. It is concluded that comparative studies on individual conditions and cultural characteristics of the victims are further needed in order to make the above-mentioned differences clear.
문인성,박장상,김용귀,문석일,고용복 대한혈관외과학회 1998 Vascular Specialist International Vol.14 No.2
Iliac vein compression syndrome is a rare clinical condition in which left common iliac vein is anatomically compressed between right common iliac artery and the fifth lumbar vertebrae or pelvic brim. Patients usually have marked edema of the left leg. Although the actual incidence is unknown, this syndrome most affects women in the second to fourth decade of life. We report 4 cases of iliac compression syndrome treated by surgical intervention during the last fifteen-year period. Among them, two women have suffered from chronic intermittent swelling and pain of left leg, and two men had acute or subacute symptoms. The fibrous web in the entrance of left iliac vein into vena cava existed in one case. Including this one, two were treated by transposition of iliac artery or vein with thrombectomy. One was decompressed the arterial compression by mobilization or adhesiolysis of the surrounding vessles with thrombectomy. To the last one in which the distal common iliac vein was compressed by tortous dilated left internal iliac artery, transsection and ligation of the internal iliac artery was performed. All patients have experienced improved left leg condition after operation. except the last one in which suffered from thrombosis of left popliteal vein after the iliac decompression.
Koh, Yong Bok,Kim, Young Choon,Song, Young Tack,Kim, Woo Sang,Lee, Yong Kak CATHOLIC MEDICAL CENTER 1980 Bulletin of the Clinical Research Institute Vol.8 No.1
The remarkable elevation of serum gastrin in rats with portal caval shunt and lower half small bowel resection was probably due to the loss of inhibitory mechanism of the distal small bowel and an intact stimulating mechanism of the upper small bowel in gastrin and gastric secretion of the intestinal phase.
Studies on Tolerance Induced by Short Course Therapy of Cyclosporin A in Cardiac Allografts in Rats
Koh, Yong Bok,Yoo, Seung Jin,Hur, Youn CATHOLIC MEDICAL CENTER 1990 Bulletin of the Clinical Research Institute Vol.18 No.1
Cyclosporin A (CsA) inhibits selectively particular lymphocyte function (especially helper T-cell) by restricting clonal expansion and functional activation of individual lymphocyte subsets. Some authors have reported the evidence that one of critical action of this agent involves a relative sparing of suppressor T-cells which renders the host tolerant toward allografted tissues. Recently there are several experimental results that only a short term CsA treatment started at the time of transplantation can lead to indefinite prolonged graft survival of major histocompatibility complex incompatable organ grafts in the rats. This experiments have been carried out to observe cardiac allograft survival rate and CsA serum level at weekely interval for 4 weeks after cessation of short term CsA therapy, and splenic lymphocyte stimulation indices by mitogens in recipient rats for investigating the possible mechanism of CsA induced tolerance. In summary of this experiment, the authors suggest that prolongation of cardiac allograft survival may be resulted from sparing or activation of suppressor T-cells as well as suppression of cytotoxic T-cel1 by CsA therapy.
Simultaneous Arteriovenous Shunt and Fistula for Immediate and Longterm Hemodialysis
Koh, Yong Bok,Lee, Yong Kak CATHOLIC MEDICAL CENTER 1979 Bulletin of the Clinical Research Institute Vol.7 No.1
Arteriovenous shunt and fistula were created simultaneously on the same forearm in six patients with rapid deteriorated renal function. One failure was encountered and its possible cause seemed to be that fistula and shunt on radial artery were too close each other. The other five fistulas are used two or three times a week without any problem until now. ◁그림삽입▷ (원문을 참조하세요)
Effects of Prostaglandin E₁ on Rat Cardiac Allografts with Cyclosporin
Koh, Yong Bok CATHOLIC MEDICAL CENTER 1993 Bulletin of the Clinical Research Institute Vol.21 No.2
Organ allograft rejection is charcterized by cellular infiltration, reduction in blood flow arid intravascular coagulation, resulting out graft organ failure. The absolute increase in thromboxane and relative decrease in prostacyclin synthesis in allograft is suspected the basic phoneme- non in prostacyclin-thromboxane system in acute rejection (1-3). Recently ti has been suggested that the reduction in renal blood flow in cyclosporin (CyA)-induced nephrotoxicity seems to be due to inhibited endothelial production of prostncyclin (PGI_2) by CyA.^4 Several animal experiments reported that prostaglandin bought prolongation of allograt survival(5, 6). The present study was undertaken to investigate the effects of exogenous prostaglandin E, (analogue of PGI_2) upon rat cardiac allografts under CyA therapy.