Publications by authors named "Tryfon Spyridonidis"
Article Synopsis
- This study looked at how often myocardial perfusion imaging (MPI) is used correctly and what makes it used incorrectly.
- Out of over 3,000 patients, 72.8% had appropriate tests, while 19.2% were not needed, and the main reason was for patients who showed no symptoms after heart treatment.
- The study found that certain factors, like being under 65 years old and having no diabetes, made it more likely for the MPI test to be used inappropriately.
Resting electrocardiogram and stress myocardial perfusion imaging in the determination of left ventricular systolic function: an assessment enhancing the performance of gated SPET.
Hell J Nucl Med
December 2010
This study aimed to determine systolic dysfunction and estimate resting left ventricular ejection fraction (LVEF) from information collected during routine evaluation of patients with suspected or known coronary heart disease. This approach was then compared to gated single photon emission tomography (SPET). Patients having undergone stress (201)Tl myocardial perfusion imaging followed by equilibrium radionuclide angiography (ERNA) were separated into derivation (n=954) and validation (n=309) groups.
View Article and Find Full Text PDFObjective: Previous studies have demonstrated the feasibility of targeting lymphoma lesions with somatostatin receptor binding agents, mainly with In-111-pentetreotide. In the present work another somatostatin analog, Tc-99m depreotide, is investigated.
Methods: One-hundred and six patients, 47 with Hodgkin's (HL) and 59 with various types of non-Hodgkin's lymphoma (NHL), were imaged with both Tc-99m depreotide and Ga-67 citrate.
Introduction: The precise clinical utility of lung 201Tl uptake in exercise SPECT myocardial perfusion imaging remains open to research. This study validates an optimal index for lung 201Tl uptake measurement and assesses its value in the prediction of higher-risk coronary artery disease (CAD).
Method: Three hundred and ninety-eight patients underwent exercise SPECT myocardial perfusion imaging.
Background: This study investigates the clinical performance of routine 201Tl gated single photon emission computed tomographic (201Tl GSPECT) myocardial perfusion imaging. Equilibrium radionuclide angiography (ERNA) was used as the standard for comparison.
Methods And Results: One hundred and seventy-two consecutive patients were submitted to both myocardial 201Tl GSPECT imaging, at stress and in redistribution, and ERNA.