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김용수(Yong Soo Kim),윤영석(Young Suk Yoon),방병기(Byung Kee Bang),윤성노(Sung No Yoon),이봉수(Bong Soo Lee),이여민(Yeo Min Lee),이정훈(Jung Hoon Lee),황태곤(Tae Gon Whang),박용현(Yong Hyun Park),고용복(Yong Bok Ko) 대한내과학회 1991 대한내과학회지 Vol.40 No.1
Between March, 1969 and April, 1989, during a 20-year period, total 361 cases of kidney transplantation were operated and we experienced the 10 cases of the urinary calculi in 8 patients. The most common lithogenic factor was urinary tract infection and nonabsorbable suture material. Calculi were diagnosed as early as 5 months and as late as 88 months after transplantation. The median time of diagnosis is 47 months. The location of calculi was the bladder in 9 cases, the grafted kidney and ureter in 1 cases. The cause of calculi formation was urinary tract infection in 6 cases, nonabsorbable suture material in 6 cases, vesicoureteral reflux in 1 case, and undeterminate in 2 cases. In 4 cases, nonabsorbable suture material and infection, both of which is the cause of calculi formation. Recurrent stone formation developed in 2 patients. One of whom underwent retransplantation. In the other patient the development of the second stone was due to remnant suture material. The therapeutic application for removal of stone is litholapaxy in 7 cases, cystolithotomy in 2 cases, and ureterolithotomy and pyelolithotomy in 1 case. All grafted kidney are well functioning until present.
무산소화 및 재산소화가 제대정맥 내피세포의 일산화질소 , ICAM-1 및 VCAM 생성에 미치는 영향
김승남,이도상,원종만,박장상,김용귀,고용복 대한혈관외과학회 2000 Vascular Specialist International Vol.16 No.1
Purpose: The reperfusion flowing ischemia are associated with high systemic complication rates and severe local tissue injuries, which are primarily related to the reperfusion process. Anoxia or hypoxia and reoxygenation are principal components of ischemia and reperfusion (I/R) and in I/R injury model endothelial cell injury is known to be a initial event. The purpose of this study is to examine the changes of the levels of nitric oxide (NO), intercellular adhesion molecule-1 gCAM-1) and vascular cell adhesion molecule (VCAM) of the cultured endothelial cells following anoxia and reoxygenation. Methods: Experimental groups were divided into 4 groups: control group, without any treatment; anoxia group (A-G), treatment with anoxic air (93% N, 5% CO₂, 2% H₂) for 20 minutes; reoxygenation group (RO-G), treatment with 100% Oy for 90 minutes; superoxide dismutase (SOD) group, treatment with SOD just before reoxygenation. Endothelial cells were isolated from human utnbilical vein and cultured in M-199 medium. Using micmelectrode and ELISA we studied the time-course changes of the levels of NO, ICAM-1 and VCAM of 4 groups, Results: The concentration of NO in A-0 was lower than that of control group (P $lt;0.05). NO concentration of RO-G at 30 minutes reached the highest level of 4809.01±444.69 nM/1×10^5 cells/ml (P$lt;0.005) and after then decreased. The concentration of ICAM-1 in A-G was higher than that of control group (P $lt;0.005). ICAM-1 concentration of RO-6 at 15 minutes reached the highest level of 7.18±0.62 ng/1×10^5 cells/ml (P $lt;0.005) and then decreased to the 1owest level but after 75 minutes increased again. The concentration of VCAM in A-G was higher than control group (P$lt;0.005). VCAM eoncentration of RO-G at 15 minutes reached the highest level of 5.50±0.55 ng/1×10 cells/ml (P$lt;0.05) and then decreased to the lowest level at 45 minutes, but after 60 minutes the concentration increased again. SOD group showed a little change of NO, ICAM-1 and VCAM concentration comparing with both A-G and RO-G. Conclusion: This study showed that endothelial cell function of reoxygenation group decreased significantly compared with anoxia group. In anoxia and reogygenation group, the levels of two adhesion molecules of ICAM-1 and VCAM increased faster than those of NO and the change of the level of ICAM-1 was mare sensitive than that of VCAM. In reoxygenation group SOD treatment could inhibit the changes of the levels of NO, ICAM-1 and VCAM.
죽상동맥경화성 하지동맥 폐쇄환자에서 추적혈관조영술을 통한 장골동맥의 변화에 대한 고찰
김승남,박중현,문인성,박장상,김용귀,고용복 대한혈관외과학회 2000 Vascular Specialist International Vol.16 No.1
Purpose: In the initiation and progression of the atherosclerosis many factors are related each other. The individual variations also complicate the prediction of the atherosclerotic process. The purpose of this study was to investigate the morphologic changes by angiography in iliac arterial segments of the patients who had received bypass operation for the infrainguinal atherosclerotic occlusive disease of the lower extremities. Methods: Forty-five common iliac artery (CIAs) and forty-two external iliac arteries (EIAs) in twenty nine male patients who underwent angiography for graft failure of lower extremity bypass surgery was included in this retrospective study, and their clinical chart and angiographic findings of iliac arteries were reviewed. Acute arterial occlusive cases were excluded from this study. The mean interval from the previous bypass surgery was 38.9 months (from 6 to 96 months) and the patient ages ranged from 34 to 81 years (average age 59 years). It was considered as change, that is disease progression, when luminal narrowing of iliac artery was more than 25% compared to the previous angiography at bypass surgery. Results: Of 45, fifteen CIAs (33.3%) showed change. In 3 patients, the change was bilateral; in 4, ipsilateral to the failed graft limb; and in 5, contralateral. Considering EIAs, 13 of QZ (31.0%) were changed. In 1 patient, the change was bilateral; in 6, ipsilateral to the failed graft limb; and in 5, contralateral. Therefore the side of the changed iliac arteries had no statistical significance in relation to the side of limb at which graft failure occurred (P $lt; 0.05). There was no significant correlation between age or interval between bypass operation and repeat angiography and the progression of atherosclerosis of iliac arteries. Conclusion: The progression of atherosclerosis is not dominated in iliac arteries ipsilateral to the side in which bypass surgery was performed and graft failure occurred. Ire iliac artery, the short-terns progression of atherosclerosis observed by angiography may vary among individuals independently withage, interval between operation and repeat angiography, and the hemodynamic change of the infrainguinal arteries.