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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
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.