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Background: Patients with normal myocardial perfusion SPECT scans are at low risk for future cardiac event and usually do not undergo angiography.Methods: We studied 132 consecutive pts (mean age 66 +/- 11, 54% females) who had normal dual-isotope Tc-99m sestamibi myocardial perfusion SPECT (exercise or adenosine) and had coronary angiography 6 months before or after nuclear test and had no history...
The ability of maximal ST ↓ (max ST ↓) during exercise to localize coronary artery stenoses has been questioned; its ability to localize ischemia by SPECT is unknown. We assessed the relationship between max ST ↓ and the location of myocardial ischemia by exercise Tc-sestamibi SPECT in 415 consecutive pts (mean age 66 +/- 10, 14% females) who had max ST ↓ =<0.10 mv and definite reversible perfusion...
Background: Previous work has suggested that the diagnostic accuracy of T1-201 myocardial perfusion SPECT is lower in pts with smaller LV chamber size. Since patients (pts) with small hearts and coronary artery disease (CAD) may be at higher risk, this inaccuracy could be of diagnostic and prognostic importance.Methods: We studied 678 consecutive pts (mean age 64 +/- 11 years old, 60% males) undergoing...
Background: Myocardial perfusion SPECT (MPS) is an effective clinical tool for detecting coronary artery disease (CAD). However, the distribution of defect territories for individual vessel disease has not been fully defined.Methods: We studied a consecutive group of 100 pts (mean age 66 +/- 11, 32% females) who had angiographic single vessel CAD (=<50% stenosis) and underwent rest Tl-201/stress...
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