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간 , 담도 및 췌장 : 정상인 및 간경변증에 있어서 Doppler 복부 초음파검사에 의한 문맥계의 혈역학적 연구
강진경(Jin Kyung Kang),최흥재(Heung Jai Choi),박인서(In Suh Park),문영명(Young Myoung Moon),김원호(Won Ho Kim),정재복(Jae Bok Chung),한광협(Kwang Heup Han) 대한소화기학회 1987 대한소화기학회지 Vol.19 No.2
N/A Portal systemic bleod flow can be measured quantitatively by the recently developed pulsed Doppler flowmetry system that consist of a mechanical sector scanner and a pulsed Doppler flowmeter. Since both modes are displayed in real time, Doppler signals can be retrieved at will from any depth. The blood flow velocity determined by the Doppler spectrogram and the vascular cross-sectional area measured from the B-mode tomographic image enables the quantitiative calculation of the blood flow volume. To evaluate the changes of portal hemodynamics in liver cirrhosis, we observed the cross-sectional area, blood flow velocity and blood flow volume of portal vein, splenic vein and superior mesenteric vein in 22 healthy adults as control and 21 patients with liver cirrhosis by the pulsed Doppler flowmetry system. The results obtained are as follows: 1) The cross-sectional area of the portal vein was significantly enlarged in patients with liver cirrhosis (1.19+-0.32 cm) cornpared with controls (0.81+-0.16 cm'), and the blood flow velocity was significantly reduced in patients with liver cirrhosis (11.46+-2.08 cm/sec) compared with controls (16.47+-3.82 cm/sec). But the blood folw volume of the portal vein was not significantly different in patients with liver cirrhosis (817.4+-265.2 ml/min) from controls (790.2+-207.2 ml/min) 2). The cross-sectional area of the splenic vein was significantly enlarged in patients with liver cirrhosis (0.54+-0.30 cm2) compared with controls (0.35+-0.12 cm), and the blood flow velocity was significantly reduced in patjents with liver cirrhosis (13.81+-5.13 cm/sec) compared with controls (22.15+-10.83 cm,'sec). But the blood flov; volume of the splenic vein was not significantly different in patients with liver cirrhosis (423.5+-220.2 ml/min) from controls (389.0+-90.4 ml-min). 3) The cross-sectional area of the superior mesenteric vein was significantly enlarged in patients with liver cirrhosis (0.59+-0.18 cm) compared with controls (0.37+-0.12 cm), and the blood flow velocity was significantly reduced in patients with liver cirrhosis (13.30+-4.98 cm/sec) compared with controls (20.21+-5.65 cm/sec). But the blood flow volume of the superior meseteric vein was not significantly different in patients with liver cirrhosis (436.4+-115.1 ml/min) frorn controls (393.3+-107. 0 ml/min). 4) In patients with liver cirrhosis, there was no significant hemodynamic change according to the presence or absence of ascites and the degree of esophageal varices. But the cross-sectional area and the blood flow volume of the splenic vein was significantly larger in patients with severe splenomegaly than in patients with mild splenomegaly. These results suggest that the pulsed Doppler flowmetry system is simple, non-invasive and particularly useful method in studying the changes of portal hemodynamics.
만성 간질환 및 원발성 간세포암 환자의 혈청 α1 - Antitrypsin 표현형의 변화
강진경(Jin Kyung Kang),최흥재(Heung Jai Choi),박인서(In Suh Park),문영명(Young Myung Moon),정재복(Jae Bock Chung),한광협(Kwang Hyub Han),전재윤(Chae Yoon Chon),김원호(Won Ho Kim),임대순(Dae Soon Yim),함기백(Ki Baik Hahm),신용준(Yong 대한소화기학회 1993 대한소화기학회지 Vol.25 No.2
N/A In parallel with the discovery of nev alleies inceasing the complexity of the Pi system, technical refinements have made the classification of an individual with respect to his Pi system relativeiy simple. Isoelectrofocusing in polyacrylamide gels is advantageous method in analyzing pisystem because of ease of performance, high resolution and reproclucibility. Most individuals have the PiMM phenotype resulting in normal plasma a1-antitrypsin (a,-AT) levels. The classical a1-AT deficiency is designated as Pizz in its homogygous form and has 15% of normal plasma a1-AT level, which is known to be associated with increased risk of cirrhosis and primary liver cancer But there is stilJ debate as the cause of this associated liver disease. This study is aimed to know the distribution and contribution of structural variants of a1-AT in South Korean patients with chronic liver diseases inr.uding hepatocellular carcinoma. One hundred thirty nine patients with chronic liver diseases or hepatocellular carcinoma were studied. Rlood sarnples were taken frorn each. Phenotypes of a1-AT were determined by electrofocusing in polyacrylamide gel electrophoresis. The results obtained were as folloas, None of the cases showed deficiency or null variant of a1-AT in patients with chronic liver diseases, hut two cases with hepatocellular carcinoma showed MS phenotype. About half of the cases with chronic liver disease and hepatocellular carcinoma showed homologcius polymorphism of a1-AT phenotype suballeles such as M1M1. M2M2 and M3M3. The distribution of the structural variants of a1-AT phenotype in patients with chronic liver diseases and hepatocellular carcinoma were in order as tollows; M1M1 (51.8%), M1M2(24.5%), M2M2 (7.9%), M3M3 (6.5%), M1M3, (5.8%),M3M3 (2.2%) and M1S (1.3%). In con, lusion, none of the cases with chronic liver diseases showed deficiency or null typed structural variants of a1-AT, but there were two cases with MS phenotype among the 39 patients with hepatocellular carrcinoma. Therefore, genetically determined a1-AT. deficiency seems to be not etiological]y important in South Korean patients with chronic liver disease.
간장및 담도 : 간경변증 및 간세포암에 있어서 Doppler 초음파검사로 측정한 복강내 동맥의 혈류속도파형에 관한 연구
강진경(Jin Kyung Kang),최흥재(Heung Jai Choi),박인서(In Suh Park),김원호(Won Ho Kim),송시영(Si Young Song),박형석(Hyung Seok Park) 대한소화기학회 1990 대한소화기학회지 Vol.22 No.2
N/A The duplex scanner combines a pulsed Doppler flowmeter with a high resolution real-time scanner, so that blood flow information can be collected from a selected position in a specific vessel, using the real-time capability of the system. Several studies on the changes of blood flow velocity waveform were reported according to the hypothesis that every artery has its own characteristic Doppler-shift signal and that this is modified by disease, either of the artery itself or of the tissue fed by the vessel. To recognize the normal value of the systolic/diastolic velocity ratio and resistance index and their changes in liver cirrhosis and hepatocellular carcinoma, we analysed the blood flow veIocity waveform of the splanchnic arteries detected by Doppler ultrasonography in 22 healthy subjects as controls, 23 patients with liver cirrhosis and 38 patients with hepatocellular carcinoma. The results obtained were as follows: 1) In controls, the S/D ratio and resistance index of the hepatic artery were 4.37 +- 1.87 and 0.74 +- 0.08, respectively; the S/D ratio and resistance index of the splenic artery were 3.45 +- 0.73 and 0.70 +- 0.06, respectiveiy; and the S/D ratio and resistance index of the superior mesenteric artery were 6.99 +- 1.42 and 0.85 +- 0.03, respectively. 2) The S/D ratios and resistance indices of the hepatic artery and splenic artery of the patients with liver cirrhosis or hepatocellular carcinoma were not different compared with those of controls. However, the S/D ratio and resistance index of the superior mesenteric artery of the patients with liver cirrhosis or hepatocellular carcinoma were significantIy smaller than those of controls. 3) In patients with hepatocellular carcinoma, the larger the tumor and the more severe the arterio-venous anstomosis, the smaller the S/D ratio and resistance index of the hepatic artery. These results suggest that every splanchnic artery has its own characteristic blood flow velocity waveform, and the peripheral resistance of the superior mesenteric artery decreases in patients with liver cirrhosis or hepatocellular carcinoma.
Bipolar Transvenous Electrode 을 이용한 심부정맥 치료 2 례
강진경 ( Jin Kyung Kang ),서정삼 ( Chung Sam Suh ),( John T. Santinga ) 대한내과학회 1970 대한내과학회지 Vol.13 No.2
심장에 기인한 실신, 안전각 block에 Adams-Stokes 증후군 및 발작성심실빈박등의 발작으로 인하여 갑자기 사망 할 수 있는 경우에 응급심장소생법을 가하여야 되는데 약물로서는 Atropine, Ephedrine, Quinidine, Isoproterenol 등으로 치료하여 왔으나 별 효과를 보지 못하는 경우가 많다. 1952년 Furman 및 Robinson이 인간에게 intracardiac pacemaker을 실행하였으며, 1959년 Furma
간장 ( 肝腸 ) 및 담도 ( 膽道 ) : I - 131 - Lipiodol의 간동맥주입과 간동맥 색전술에 의한 원발성 간암 치료 효과
강진경(Jin Kyung Kang),최흥재(Heung Jai Choi),박인서(In Suh Park),이상인(Sang In Lee),한광협(Kwang Hyub Han),전재윤(Chae Yoon Chon),이종태(Jong Tae lee),유형식(Hyung Sik Yoo),한승희(Seung Hee Han),노재경(Jae Kyung Roh) 대한소화기학회 1990 대한소화기학회지 Vol.22 No.3
N/A Lipiodol (iodized oil) is known to be selectively retained for an extended duration in hepatocellular carcinoma (HCC), so a number of therapeutic trials using Lipiodol in patients with HCC have been performed. Hepatic arterial infusion of radiolabelled iodized oil (I-131-Lipiodol) has potential as a radiotherapeutic agent in patiens with HCC. This study was undertaken to assess the therapeutic efficacy of hepatic arterial infusion of I-131-Lipiodol alone or I-131-Lipiodol combined with transcath- eter arterial embolization (TAE) in comparison with conventional TAE in patients with HCC. From March 1985 to December 1988, 136 patients with HCC were given eithep an hepatic arterial infusion of I-131-Lipiodol alone (Group 1, n=83), TAE with Ivalon or GelfoaO (Group 2, n=23) or infusion of I-131-Lipiodol combined with TAE (Group 3, n=30). There was no significant difference in sex, age, tumor size and type, biochemical tests, and Child classification among the 3 groups. We analyzed the response rate and survival rate according to the therapeutic modality and tumor size. 1) The response rates were 32.5, 43.5, and 73.3% in groups 1,2, and 3 respectively and the response rate in group 3 was significantly higher than group 1 (p<0.05). (response was defined as a decrease more than 2.5% in tumor size 3 months after treatment). 2) There was no significant difference in response rate among the 3 groups in tumors smaller than 5 cm, but the response rate of group 3 (71.4%) was significantly higher than group 1 (27.9%) in tumors larger than 5 cm (p<0.05). 3) The survival rate among tumors smaller than 5 cm was significantly highter than among tumors larger than 5 cm (p<0.05).
위장관 ( 胃腸管 ) : 위암 선별검사법으로서 소변 중 Parahydroxyphenyl 유도체 검출법 ( GIFTECR ) 의 유용성
강진경(Jin Kyung Kang),최흥재(Heung Jai Choi),박인서(In Suh Park),이상인(Sang In Lee),김원호(Won Ho Kim),이상주(Sang Joo Lee) 대한소화기학회 1991 대한소화기학회지 Vol.23 No.2
N/A As a screening test for malignancy, the search for tumor markers has been investigated; however, none of these has proved to be a reliable, general test for the presence of cancer. The possibility of determining a differential diagnosis between cancer and non-cancer patients by directly measuring urine nuclear magnetic resonance was reported. A reagent has recently been developed to identify the substances and to diagnose cancer by a urine color reaction. To detect urinary hydroxyphenyl derivatives in patients with malignancies, the reagent GIFT, developed in Korea, was tested. And the positivity of GIFTEC test was evaluated in the patients with stomach cancer. The sensitivity was proved to be 56.3% and the specificity 84.5%. We concluded that the GIFTEC test may be a potentially valuable screening method for patients with stomach cancer.