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Baroreflex Sensitivity and Heart Rate Variability in the Identification of Patients at Risk for Life-Threatening Arrhythmias: Implications for Clinical Trials
BackgroundThe need for accurate risk stratification is heightened by the expanding indications for the implantable cardioverter defibrillator. The Multicenter Automatic Defibrillator Implantation…
Regional metabolic abnormality in relation to perfusion and wall motion in patients with myocardial infarction: assessment with emission tomography using an iodinated branched fatty acid analog.
BMIPP imaging may play a major role in increasing the understanding of the relationship between perfusion and wall motion, particularly in patients with acute myocardial infarction and those who received revascularization therapy.
Prediction of reversible ischemia after revascularization. Perfusion and metabolic studies with positron emission tomography.
FDG PET provided the best predictive value for improvement in wall motion after revascularization and 13N-ammonia PET is useful for predicting nonreversible myocardial scarring when it shows severe hypoperfusion at rest or hypoperFusion without stress-induced ischemia.
Metabolic activity in the areas of new fill-in after thallium-201 reinjection: comparison with positron emission tomography using fluorine-18-deoxyglucose.
Reinjection thallium imaging still underestimates the extent of tissue viability compared to PET imaging, but the segments showing new fill-in after reinjection are PET viable myocardium.
Improvement of exercise capacity by sarpogrelate as a result of augmented collateral circulation in patients with effort angina.
Significance of fill-in after thallium-201 reinjection following delayed imaging: comparison with regional wall motion and angiographic findings.
Reinjection of a small amount of thallium-201 following 3-hr delayed imaging indicates that the reinjection 201Tl imaging often identifies new fill-in in the areas of no redistribution on the delayed images and it may hold promise for assessing tissue viability which the conventional imaging may underestimate.
Effect of clarithromycin on renal excretion of digoxin: Interaction with P‐glycoprotein
Myocardial tomography using technetium-99m-tetrofosmin to evaluate coronary artery disease.
Stress tetrofosmin perfusion tomography is a valuable method to detect coronary artery disease and to assess tissue viability with accuracy similar to that of stress 201Tl tomography.
Marked elevation of brain natriuretic peptide levels in pericardial fluid is closely associated with left ventricular dysfunction.
Impairment of BMIPP uptake precedes abnormalities in oxygen and glucose metabolism in hypertrophic cardiomyopathy.
- E. Tadamura, T. Kudoh, N. Tamaki
- Biology, MedicineJournal of nuclear medicine : official…
- 1 March 1998
It is suggested that reduction of BMIPP uptake appears to be the most sensitive indicator of metabolic abnormalities followed by reduction of oxidative metabolism in patients with HCM.