نتایج جستجو برای: 99mtc mibi
تعداد نتایج: 5235 فیلتر نتایج به سال:
it is of value to determine the amount of viable myocardial tissue in patients suffering from chronic coronary artery disease and ventricular dysfunction. having the capability of evaluating both myocardial perfusion and function, simultaneously, myocardial scanning by ecg-gated is an appropriate method for this purpose. the aim of this study was to compare the results of myocardial perfusion a...
Abstract Funding Acknowledgements Type of funding sources: Public Institution(s). Main source(s): Instituto Nacional de Investigaciones Nucleares (ININ). Background/Introduction Excessive fibrosis and persistent active fibroblasts can lead to increased left ventricular stiffness and, thus, heart failure. Cardiac remodeling is an important factor in the prognosis patients after acute myocardial ...
Primary hyperparathyroidism caused by parathyroid adenoma requires surgical resection. To confine the extent of surgery to very minimum and exclude an atypical location, preoperative imaging aims at identifying suspicious gland. For this purpose, Technetium-99m (99mTc)-sestamibi scintigraphy SPECT have become international standard, in inconclusive cases also with C-11 methionine F-18 choline P...
UNLABELLED Our aim was to ascertain the relationship between the degree of 99mTc-MIBI uptake and the level of p-glycoprotein (Pgp) expression determined by flow cytometry and reverse transcription-polymerase chain reaction (RT-PCR) techniques in patients with hematologic malignancy. METHODS A total of 21 samples (19 patients) were evaluated. Two patients had repeat studies after therapy. Thir...
BACKGROUND The convolution approach to thyroid time-activity curve (TAC) data fitting with a gamma distribution convolution (GDC) TAC model following bolus intravenous injection is presented and applied to 99mTc-MIBI data. The GDC model is a convolution of two gamma distribution functions that simultaneously models the distribution and washout kinetics of the radiotracer. The GDC model was fitt...
OBJECTIVES This study sought to evaluate an imaging approach using gated 99mTc-MIBI (MIBI) SPECT and gated 18F-FDG (FDG) PET for assessment of myocardial viability and cardiac function. METHODS Forty-eight patients (38 men, mean age 68.1 +/- 9.6 years) underwent ECG-gated FDG PET and MIBI SPECT within a week. The baseline diagnoses were coronary artery disease (31), mitral regurgitation (1), ...
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