SPECT myocardial perfusion studies
Bilateral coronary artery to pulmonary trunk fistulae detected by coronary angiography and evaluated by ECG-gated SPECT myocardial perfusion imaging: report of two cases
... maximal heart rate calculated for the patient). No features of cardiac ischaemia were present in the ECG during the physical exertion, which was well tolerated. No chest pain or other symptoms of is- chaemia were ...
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Phase analysis single-photon emission computed tomography (SPECT) myocardial perfusion imaging (MPI) detects dyssynchrony in myocardial scar and increases specificity of MPI
... these studies [38, 40, 42] have noted similar results to the current ...prior studies have demonstrated that PA is repeatable [18] and repro- ducible [17], with results that are independent of the im- aging ...
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Myocardial infarct size quantification in mice by SPECT using a novel algorithm independent of a normal perfusion database
... In our study, the mean activity injected was 173 ± 27 MBq of Tc-99m-sestamibi. This activity is at least two times less than that reported in most studies [5-7]. Tc-99m sestamibi is cleared through the ...
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Quantitative detection of myocardial ischaemia by stress echocardiography; a comparison with SPECT
... suspected myocardial ischaemia, evaluation of ischaemia is generally recommended for opti- mal care and treatment ...Both SPECT and DSE are well established and more accurate methods than exercise ECG ...
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Cardiovascular risk assessment in diabetes
... abnormal myocardial perfusion. Several studies have described an association between endothelial dysfunction and the occurrence of myocardial ischemia due to impaired endothelium-dependent ...
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Clinical Utility of N 13 Ammonia Cardiac PET Perfusion Imaging in the Assessment of Epicardial Coronary Lesions of Intermediate Range
... Previous studies had revealed the additional ischemia detection by PET MPI which was not detectable on SPECT ...[12]. Myocardial retention of 13N-ammonia is heterogeneous, with retention in the ...
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Gated myocardial perfusion SPECT underestimates left ventricular volumes and shows high variability compared to cardiac magnetic resonance imaging -- a comparison of four different commercial automated software packages
... of perfusion defects at ...previous studies [10,11,16,17], roughly equal to the mean LV volumes assessed by MR imaging in one previous study [9] and smaller than the mean LV volumes assessed by MR imag- ing ...
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Update on myocardial perfusion imaging: role of regadenoson
... stress myocardial perfusion imaging (MPI) is a noninvasive method for the evaluation of coronary artery disease in patients unable to exercise ...Further studies are now required to evaluate ...
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A review of the issues surrounding incidental findings on CT attenuation correction (CTAC ) images during SPECT myocardial perfusion imaging
... non-clinical studies, lesion detection performance has been conducted using the Free-response Receiver Operating Characteristic (FROC) method to investigate detection of pulmonary nodules on a chest phantom using ...
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Inhomogeneous myocardial stress perfusion in SPECT studies predicts future allograft dysfunction in heart transplant recipients
... by myocardial dys- function in the absence of coronary artery disease ...inhomogeneous perfusion in SPECT imaging. Although the inhomogeneous perfusion pattern was not associated with impaired ...
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Early Detection of Myocardial Damages for Patients with Chest Pain and Non-Diagnostic ECG in Emergency Department by Rest Myocardial Perfusion Imaging: A Preliminary Study
... rMPI SPECT in comparison with ECG, serum biomarkers and ...angiography. Myocardial infarction (MI) recognized as angina pectoris is described by substernal chest pain which is intensified by tension or ...
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Comparison of diagnostic performance of four software packages for phase dyssynchrony analysis in gated myocardial perfusion SPECT
... The mean age of patients with suspected LV dyssyn- chrony was slightly higher than that of those with normal perfusion (64.1 vs. 58.9 years, p = 0.029). With regard to LV function and phase distribution, the LVEF ...
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Normal values of left ventricular functional indices in gated 99mTc-MIBI myocardial perfusion SPECT
... Comparison of two software in gated myocardial single photon emission tomography, for the measurement of left ventricular volumes and ejection fraction, in patients with and without [r] ...
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Attenuation correction in myocardial perfusion SPECT using sequential transmission - emission scanning with 99mTc [Persain]
... ﻧ ﻪﺑ عﻮﻤﺠﻣ رد ﺖﺳا ﺪﻨﻣزﺎﻴﻧ صﺎﺧ ﻪﺑﺮﺠﺗ ﻪﺑ ﺮﻳوﺎﺼﺗ ﻲﺳرﺮﺑ رد ﻒﻴﻌﻀﺗ حﻼﺻا زا هدﺎﻔﺘﺳا ﻪﻛ ﺪﺳر ﻲﻣ ﺮﻈ... ﺲﭙـﺳ ترﻮــﺻ رد و ﻪــﺘﻓﺮﮔ راﺮــﻗ يﺮــﻴﮕﻴﭘ ﺖــﺤﺗ نارﺎــﻤﻴﺑ ﻦــﻳا ﺪﻨﺘﻓﺮﮔ راﺮﻗ ﻲﻳﺎﻬﻧ بﺎﺨﺘﻧ[r] ...
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Appropriateness of referrals for single-photon emission computed tomography myocardial perfusion imaging (SPECT-MPI) in Iran
... ACCF/ASNC/ACR/AHA/ASE/SCCT/SCM R/SNM 2009 Appropriate Use Criteria for Cardiac Radionuclide Imaging: A Report of the American College of Cardiology Foundation Appropria[r] ...
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Ejection fraction in myocardial perfusion imaging assessed with a dynamic phantom: comparison between IQ-SPECT and LEHR
... overall perfusion, EF and LV volumes can be esti- mated with a single imaging session simultaneously and the results are highly reprodu- cible and in good agreement with other imaging techniques ...
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Comparison of myocardial perfusion scintigraphy and computed tomography (CT) angiography based on conventional coronary angiography
... such studies, patients that are sup- posed as abnormal is experienced a higher examination, which may provide data about PPV, whereas there is no data about NPV on cases which are considered normal since there are ...
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The pattern of brain perfusion SPECT in non-medicated schizophrenic patients
... Recent studies of cerebral perfusion or metabolism with single photon emission computed tomography (SPECT) or positron emission tomography (PET) in schizophrenic patients have reveale[r] ...
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Impact of Follow Up Ischemia on Myocardial Perfusion Single Photon Emission Computed Tomography in Patients with Coronary Artery Disease
... ference of the means or proportions was <0.25. In the PS anal- yses, no violations of covariate balancing were detected (Sup- plementary Fig. 1, only online). For the PS-matched cohorts, continuous variables were ...
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Coronary artery calcium (CAC) score – a prognostic tool in coronary artery disease?
... Calcium score measurement in patients with normal stress myocardial perfusion scintigraphy, may be useful in risk stratification of the patients.. Further prospective studies with [r] ...
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