The effect of training on the interpretation of 99Tcm-sestambibi myocardial perfusion SPET in patients with suspected coronary artery disease

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Abstract
The aim of this study was to examine the effect of a period of concentrated training in nuclear cardiology on the accuracy of reporting 99Tcm-sestamibi (99Tcm-MIBI) single photon emission tomographic (SPET) images. Two visiting cardiologists, with no previous experience in nuclear cardiology, were asked to report blindly 60 99Tcm-MIBI SPET scans after 2 weeks of training in nuclear cardiology. One (observer 2) reported the same scans blindly after 2 months of further training. The results were compared with the assessment made by two experienced nuclear cardiologists and by using kappa statistics. Kappa values for the overall interpretation of the scan (normal or abnormal), segmental analysis (normal, ischaemic, fixed or mixed) and the three arterial territories were 0.7, 0.58 and 0.67 respectively. Following 2 months of further intensive training of observer 2, the kappa values were 0.857, 0.78 and 0.91 respectively. The difference between the two readings of observer 2 was significantly different for the segmental analysis (P

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