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이명철(Myung Chul Lee),정준기(June Key Chung),이영우(Young Woo Lee),서정돈(Jung Don Seo),박영배(Young Bae Park),이동수(Dong Soo Lee),김상은(Sang Eun Kim),최창운(Chang Woon Choi),이명묵(Myoung Mook Lee),고창순(Chang Soon Ko),배상균(Sa 대한핵의학회 1992 핵의학 분자영상 Vol.26 No.2
N/A Rest gated blood pool scan (Rest GBP scan) and dipyridamole Tc-99m-MIBI SPECT were performed in 34 patients with or suspected coronary artery disease. Both studies were performed within 2∼32 days (mean 8.1 days). A significant correlation was present between left ventricular ejection fraction (r=-0.7356, p〈0.001) and peak ejection rate and peak filling rate in rest GBP scan and perfusion defect in MIBI SPECT. And there were acceptable correlations (0.05〈p〈0.001) between regional ejection fractions and perfusion defects corresponding to the regions. There were 39 segments of fixed (rest) perfusion defects in MIBI SPECT and there was a significant difference in perfusion defect according to the regional wall motion (normal or mild hypokinesia in 23 regions: 26.2±10.8%, severe hypokinesia, akinesia or dyskinesia in 16 regions: 78.2±23.7, p〈0.001). These data indicate there is a significant coupling between the degree of myocardial perfusion and the myocardial functional change in coronary artery disease.
디피리다몰 부하 99mTc - MIBI 심근 SPECT 극성결손지도를 이용한 광동맥질환 진단의 남녀 비교
고창순(Chang Soon Koh),이명철(Myung Chul Lee),정준기(June Key Chung),이영우(Young Woo Lee),서정돈(Jung Don Seo),박영배(Young Bae Park),이동수(Dong Soo Lee),이명묵(Myoung Mook Lee),오병희(Byung Hee Oh),배상균(Sang Kyun Bae) 대한핵의학회 1993 핵의학 분자영상 Vol.27 No.1
N/A To evaluate the usefulness and differences in diagnosing coronary artery disease (CAD) between men and women of intravenous dipyridamole Tc-99m-MIBI myocardial SPECT, we obtained Tc-99m-MIBI myocardial SPECT and compared with the findings of coronary angiographies. Ninety eight male and 37 female patients who underwent dipyridamole Tc-99m- MIBI myocardial imaging within one month of cardiac catheterization were studied. Scans were considered abnormal if perfusion defect was detected and the defect size was more than 12% for left anterior descending artery (LAD) and circumflex(LCX) and 8% for right coronary artery (RCA) territories. Lesions≥50% luminal diameter narrowing were considered significant CAD. Overall sensitivity for detection of CAD was 94.3% in men and 96.4% in women; specificity was 70% in men and 52.6% in women (P=not significant, ns). Vessel-matched sensitivity was 75.3% in men and 72.7% in women (P=ns); specificity was 84.6% in men and 67.9% in women (P〈0.025). For individual coronary artery, the sensitivity in men and women was 87.7%, 81.8% for LAD; 78%, 83.3% for RCA and 52.2%, 46.7% for LCX (P=ns); the specificity was 80%, 40% for LAD (P〈0.01), 82.5%, 68.4% for RCA, 88.9%, 86.4% for LCX (P=ns). The hemodynamic parameter after intravenous dipyridamole in men and women were significantly changed; the heart rate was increased and systolic, diastolic blood pressure was decreased. Adverse effects were reported in 58.8% of men and 72.7% in women (P=ns). The incidence of chest pain and headache were higher in women. There was no significant difference in the incidences of nausea, abdominal pain, dizziness, facial flushing, dyspnea. In conclusion, dipyridamole Tc-99m-MIBI myocardial SPECT is a safe, noninvasive test for evaluation of CAD. There was no gender difference to detect CAD, but more false-positive rate in women especially in the territory of LAD.