Abstract
The detection of hibernating myocardium is important because revascularisation results in improved function and prognosis in patients with hibernation but not in those with non-viable myocardium. The primary aim of this study was to compare the diagnostic accuracy of four techniques with respect to hibernation in the same study population with 6-12 months of follow-up. Twenty-five males underwent rest-stress sestamibi and delayed (>18 h) thallium scintigraphy, high-dose dobutamine stress echocardiography and nitrogen-13 ammonia/fluorine-18 fluorodeoxyglucose (NH3/FDG) positron emission tomography (PET). The pre-operative ejection fraction was 36.2% (+/-7.3%). Follow-up was 8.1 (+/-2.8) months. Using postoperative improvement in wall motion on echocardiography as the gold standard, 6/34 dysfunctional vascular territories were hibernating. The mean uptake of all tracers was significantly higher in hibernating than in non-viable territories (PNH3 uptake) and the pattern of response to dobutamine on echocardiography were also predictive of recovery (P
Original language | English |
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Pages (from-to) | 355 - 361 |
Number of pages | 7 |
Journal | European Journal of Nuclear Medicine and Molecular Imaging |
Volume | 31 |
Issue number | 3 |
DOIs | |
Publication status | Published - Mar 2004 |