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고혈압을 동반한 제 2 형 당뇨병 환자의 섬유소 용해능 및 혈중 Lipoprotein ( a ) 농도
박용수(Y . S . Park),박선양(S . Y . Park),박경수(K . S . Park),김성연(S . Y . Kim),이홍규(H . K . Lee),고창순(C . S . Koh),민헌기(H . K . Min) 대한내과학회 1994 대한내과학회지 Vol.47 No.2
Background: Hypertensive patients have an increased risk profile for cardiovascular disease even in the absence of diabetes mellitus. Much evidence exist to show that insulin resistance plays a key role in eliciting several metabolic. and fibrinolytic abnormalities in patients with hypertension. In patients with type 2 diabetes, the onset of hypertension is associated with obesity, advancing age, and the coexistence of essential hypertension. Much less is known about specific vascular abnormalities. leading to thrombosis and the relationship between the hyperinsulinemia and thrombosis in diabetics. Therefore, we want to compare the fibrinolytic and metabolic profile between the type 2 diabetic patients with and without hypertension to investigate whether coexisting hypertension and diabetes act as additive risk factors to accelerate vascular complication. We also want to assess the relationship between levels of the regulators of fibrinolysis, serum lipid profiles including lipoprotein(a) (Lp(a)) and plasma insulin levels. Methods: In thirty-four type 2 diabetic patients with hypertension and 32 type 2 diabetic patients without hypertension, we measured the levels of tissue plasminogen activator (t-PA) and plasminogen activator inhibitor type 1 (PAI-1), the regulators of the fibrinolysis, lipoprotein profile including serum Lp(a) level and the serum c-peptide concentration, as the degree of insulin resistance. Results: Type 2 diabetic patients with hypertension have increased levels of t-PA (p<0.05), PAI-1 (p<0.05), total cholesterol (p<0.05), and plasma Lp(a) (p<0.05) as compared with those without hypertension. A significant correlation between PAI-1 levels and body mass index (BMI) (r=0.3, p<0,05), fasting C-peptide levels (r =0.54, p<0.01) and serum triglyceride levels (r=0.28, p<0.05) was observed in the diabetic patients. But we could not find a significant association between either t- PA or PAI-1 levels and Lp(a) levels in them. Stepwise forward regression analyses using BMI, fasting C- peptide level, age, systolic blood pressure, HbAlc, triglyceride, t-PA and PAI-1 level as independent variables showed that only the fasting C-peptide levels correlated with PAI-1 levels (F=5,61; p<0.05), Conclusion: These results suggest that the type 2 diabetic patients with hypertension seem to have lower fibrinolysis or higher Lp(a) levels than the normotensive diabetics. It might be possible that coexisting hypertension and diabetes act as additive risk factors to accelerate vascular complication by way of aggravating the level of insulin resistance, when we consider the strong association between the level of hypofibrinolysis and dyslipidemia and the hyperinsulinemia, a measure of insulin resistance in the diabetic patients.
신동맥분지협착에 의한 신혈관성고혈압 예에서 캅토프릴투여후 99mTc - DMSA 신 스캔
양원석(W . S . Yang),김연수(Y . S . Kim),엄재호(J . H . Earm),김상은(S . E . Kim),이동수(D . S . Lee),한진석(J . S . Han),정준기(J . K . Chung),김성권(S . K . Kim),이명철(M . C . Lee),이정상(J . S . Lee),고창순(C . S . Koh) 대한핵의학회 1990 핵의학 분자영상 Vol.24 No.2
N/A Radionuclide renal scintigraphies were performed in a 24-year-old man with right renal artery branch stenosis. Captopril enhanced Tc-99m-DTPA renal scintigraphy revealed no abnormal finding in the right kidney But, Tc-99m-DMSA renal scintigraphy showed regional cortical photon deficient area corresponding to the area supplied by the stenotic branch artery. The defect size increased in captopril enhanced Tc-99m-DMSA renal scintigrphy and nearly disappeared after successful transluminal renal angioplasty. This case suggests that the captopril enhanced Tc-99m- DMSA renal scintigraphy may be a useful method in the evaluation of renovascular hypertension, especially due to branch renal srtery stenosis.
게이트 99mTc - MIBI 심근 SPECT의 심근 분절 운동 평가능력
이동수(D . S . Lee),정준기(J . K . Chung),이명철(M . C . Lee),김선욱(S . W . Kim),김상현(S . H . Kim),현인영(I . Y . Hyun),이명묵(M . M . Lee),고창순(C . S. Koh) 대한핵의학회 1995 핵의학 분자영상 Vol.29 No.4
N/A Information about regional wall motion obtained with gated Tc-99m-MIBI SPECT was compared in 23 subjects(4 normals) to echocardiography or contrast left ventriculography. Gated SPECT study using 20-30 mCi Tc-99m-MIBI were aquired for 8 frames/RR interval (aqusition time=40min.) and processed with Cine Mode computer protocol. Regional wall motion was assessed by visual analysis. The concordance with echocardiography was 88% and with contrast ventriculography was 78%. We conclude that gated Tc-99m-MIBI SPECT was effective in assessing the regional wall motion with the information of regional perfusion in one study.
뇌동맥류파열에 의한 지주막하출혈 환자에서 99mTc - HMPAO SPECT 검사의 유용성
이동수(D . S . Lee),정준기(J . K . Chung),이명철(M . C . Lee),고창순(C . S . Koh),최창운(C . W . Choi),이경한(K . H . Lee),김종호(J . H . Kim),곽철은(C . E . Kwark),한대희(D . H . Han) 대한핵의학회 1993 핵의학 분자영상 Vol.27 No.2
N/A We evaluated the usefulness of Tc-99m-HMPAO SPECT in 21 Patients with subarachnoid hemorrhage due to ruptured intracranial aneurysm and in 3 patients with unruptured intracranial aneurysm. SPECT study could detect the bilaterally hypoperfused cases in 10 patients(48%), but CT/MRI showed the bilateral abnormalities in only 3 patients(14%). The number of abnormal lesions were 56 in SPECT and 25 in CT/MRI. The lesions found in SPECT were well correlated with the neurological signs of the patients such as aphasia or hemiplegia. SPECT study during Matas test was helpful in evaluating the risk for carotid artery occlusion therapy. We thought that Tc-99m-HMPAO brain SPECT is helpful in evaluating the functional changes in patients with subarachnoid hemorrhage.
휴식 / 부하 심근 Rubidium - 82 양전자단층촬영과 부하 / 휴식 심근 Tc - 99m - MIBI 단일광자단층촬영의 비교
이동수(D . S . Lee),정준기(J . K . Chung),이명철(M . C . Lee),고창순(C . S . Koh),이경한(K . H . Lee),강건욱(K . W . Kang),정재민(J . M . Jeong),곽철은(C . Kwark),서정돈(J . D . Seo) 대한핵의학회 1995 핵의학 분자영상 Vol.29 No.1
N/A We compared stress/rest myocardial Tc-99m-MIBI tomographic image findings with rest/stress rubidium-82 tomographic images. In 23 patients with coronary artery disease (12 of them received bypass grafts before) and 6 normal subjects, rest rubidium PET study was performed, rubidium-82 and Tc-99m-MrBI were injected simultaneously to each patient after dipyridamole stress for rubidium PET and MIBI SPECT; and rest MIBI SPECT was performed 4 hours thereafter. We scored segmental decrease of rubidium, or MIBI uptakes into 5 grades for 29 segments from 3 short-axis, vertical and horizontal slices. Scores were summed for each major arterial territory. When more score than two grade-2's or one grade-3 was considered as the cue for significant stenosis for major arterial territories, 67% of 46 stenosed arteries were found with MIBI studies and 78% of them by rubidium studies. Fourteen among 28 grafted arterial territories of 12 post-CABG patients were found normal with both rubidium and MIBI. Segmental scores were concordant between rubidium and MIBI in 72% of 709-stress segments and in 80% of 825 rest segments. Stress rubidium segmental scores were less than stress MIBI scores in 9%, so were rest rubidium scores. Stress rubidium scores were more than stress MIBI scores in 20% of segments, and rest rubidium segmental scores were more than rest MIBI scores in 11%. Rank correlations (Spearman's rho's more than 0.7(stress) and 0.5(rest), slopes (MIBI/rubidium) around 0.7(stress) and 0.9(rest) suggested deeper and wider defects in stress with rubidium. Slope over 1 (MIBI/rubidium) with LAD segemental scores at rest and 7 territories which had much larger score with MIBI revealed exaggeration of rest defects with rest MIBI in same-day stress/rest study. Difference scores (stress-rest for each territory) suggesting ischemia were larger with rubidium (slope of MIBI/rubidium around 0.45). As has been implied by animal or separate-day- human studies, these segmental analyses with simultaneous examination in patients told that rubi
99mTc - MDP 골스캔에서 냉소로 나타난 전이암의 분석
손인(I . Sohn),이동수(D . S . Lee),정준기(J . K . Chung),이명철(M . C . Lee),고창순(C . S . Koh),최창운(C . W . Choi),양형인(H . I . Yang),배상균(S . K . Bae) 대한핵의학회 1993 핵의학 분자영상 Vol.27 No.1
N/A The present study was purposed to evaluate the incidence and the characteristics of metastatic cold lesions in Tc-99m-MDP bone scans of adult patients with solid malignancies. There were 29 cold lesions in 24 patients. The incidence of cold lesions was about 1% of total cases of bone scans for the patients with malignancy, or 2.5% of cases with bone metastases, The primary sites of malignancies were lung (four cases), uterine cervix (three cases), kidney, nasopharynx, thyroid, urinary bladder, prostate, lymphoma(two cases each other), liver, breast and others (one case each other). But the relative incidence of cold lesion in lung cancer and breast cancer was low. The most frequent site of cold lesion was spine and pelvis, skull and rib were followed. The incidence of cold lesion was related to the regional incidence of bone metastases. The size of the cold lesions was greater than that of the hot. There were six cases of single cold lesion without any other abnormalities and two cases of cold lesion which were initially hot. So it should be considered that bone metastases might be presented as cold lesions in bone scan.