نتایج جستجو برای: myocardial perfusion spect
تعداد نتایج: 202687 فیلتر نتایج به سال:
OBJECTIVE A novel multifocal collimator, IQ-SPECT (Siemens) consists of SMARTZOOM, cardio-centric and 3D iterative SPECT reconstruction and makes it possible to perform MPI scans in a short time. The aims are to delineate the normal uptake in thallium-201 ((201)Tl) SPECT in each acquisition method and to compare the distribution between new and conventional protocol, especially in patients with...
Patient motion during myocardial perfusion SPECT can produce images that show artifactual perfusion defects. The relationship between the degree of motion and the extent of artifactual perfusion defects is not clear for either singleor double-head detectors. Using both singleand double-head detectors and quantitative perfusion SPECT (QPS) software, we studied the pattern and extent of defects i...
PURPOSE Few studies have reported on predicting prognosis using myocardial perfusion single-photon emission computed tomography (SPECT) during coronary artery disease (CAD) treatment. Therefore, we aimed to assess the clinical implications of myocardial perfusion SPECT during follow-up for CAD treatment. MATERIALS AND METHODS We enrolled 1153 patients who had abnormal results at index SPECT a...
BACKGROUND Non-invasive detection of coronary artery disease (CAD) remains difficult in patients with end-stage renal disease (ESRD). This study evaluated the ability of pharmacologic stress myocardial perfusion imaging to predict cardiac events in patients with ESRD. METHODS A prospective study was carried out in 49 consecutive patients with ESRD. Thallium-201 single photon emission computed...
BACKGROUND Left Bundle Branch Block (LBBB) is a known cause of false positive results in myocardial perfusion studies. We aimed at investigation of correlation between degree of severity of perfusion defect on cardiac Single Photon Emission Computed Tomography (SPECT) and presence of coronary artery disease on angiography in patients with LBBB. STUDY DESIGN This was an analytical study and wa...
UNLABELLED Patient motion during myocardial perfusion SPECT can produce images that show artifactual perfusion defects. The relationship between the degree of motion and the extent of artifactual perfusion defects is not clear for either single- or double-head detectors. Using both single- and double-head detectors and quantitative perfusion SPECT (QPS) software, we studied the pattern and exte...
Background: Behçet's disease (BD) is a multi-system vasculitis that can have a wide range of effects on the cardiovascular system. Objective: To determine the existence of myocardial perfusion defects caused by coronary microvascular dysfunction in asymptomatic BD patients with and with out metabolic syndrome and to evaluate coronary arterial distribution and left ventricular systolic function ...
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