Search
Search Results
-
The value of cardiac sympathetic activity and mechanical dyssynchrony as cardiac resynchronization therapy response predictors: comparison between patients with ischemic and non-ischemic heart failure
BackgroundImpaired cardiac sympathetic activity and mechanical dyssynchrony (MD) are associated with poor prognosis in patients with heart failure...
-
Prognostic value of the normalization of left ventricular mechanical dyssynchrony after revascularization in patients with coronary artery disease
There are no reports indicating a prognostic difference based on normalization of left ventricular (LV) mechanical dyssynchrony after...
-
External validation and update of the J-ACCESS model in an Italian cohort of patients undergoing stress myocardial perfusion imaging
BackgroundCardiovascular risk models are based on traditional risk factors and investigations such as imaging tests. External validation is important...
-
New approach for quantification of left ventricular function from low-dose gated bloodpool SPECT: Validation and comparison with conventional methods in patients
BackgroundPlanar equilibrium radionuclide angiocardiography (ERNA) has been used as the gold standard for assessment of left ventricular (LV)...
-
Diagnostic performance of IQ·SPECT with high-speed scanning: A preliminary quality control study in obese patients
BackgroundIQ·SPECT is a recently introduced collimator design for myocardial perfusion imaging (MPI). Little data exist on use of this collimator...
-
Usefulness of the Vall d’Hebron Risk Score to stratify the risk of patients with ischemic cardiomyopathy
BackgroundTo evaluate the Vall d’Hebron-Risk-Score (VH-RS) to stratify the risk of patients with stable ischemic cardiomyopathy (ICM), and assess...
-
Evaluation of left ventricular volumes and ejection fraction by 99mTc-MIBI gated SPECT and 18F-FDG gated PET in patients with prior myocardial infarction
BackgroundThis study aimed to compare the accuracy of gated-SPECT (GSPECT) and gated-PET (GPET) in the assessment of left ventricular (LV)...
-
Regional myocardial perfusion imaging in predicting vessel-related outcome: interplay between the perfusion results and angiographic findings
BackgroundDespite myocardial perfusion imaging (MPI) by cadmium-zinc-telluride (CZT) single-photon emission computed tomography (SPECT) camera is...
-
Deep learning–based denoising of low-dose SPECT myocardial perfusion images: quantitative assessment and clinical performance
PurposeThis work was set out to investigate the feasibility of dose reduction in SPECT myocardial perfusion imaging (MPI) without sacrificing...
-
Diagnosis, performance and added value of assessing ventricular dyssynchrony by phase analysis in patients with three-vessel disease: A single-center cross-sectional study in Mexico
BackgroundThree-vessel disease (3VD) is a cardiovascular disorder that affects the three main coronary arteries. Gated myocardial perfusion SPECT...
-
DSPECT-specific normative limits for left ventricular size and function
BackgroundDifferences in spatial resolution and image filtering between the solid-state DSPECT and traditional Anger SPECT (ASPECT) cameras are...
-
Associations of left ventricular shape with left ventricular volumes and functions assessed by ECG-gated SPECT in patients without significant perfusion abnormality
Left ventricular (LV) remodeling often results from conditions with an elevated LV hemodynamic load or after myocardial infarction. The present study...
-
Simultaneous assessment of myocardial perfusion and adrenergic innervation in patients with heart failure by low-dose dual-isotope CZT SPECT imaging
BackgroundIn patients with heart failure (HF) sequential imaging studies have demonstrated a relationship between myocardial perfusion and adrenergic...
-
-
Integration of quantitative absolute myocardial blood flow estimates from dynamic CZT-SPECT improves the detection of coronary artery disease
BackgroundBalanced ischemia with multi-vessel coronary artery disease (CAD) is difficult to diagnose with semiquantitative single photon emission...
-
Effect of left ventricular mechanical dyssynchrony assessed pre-renal transplantation on cardiovascular death post transplantation
BackgroundSPECT myocardial perfusion imaging (MPI) provides an assessment of LV mechanical dyssynchrony (LVMD) which correlates with CVD outcomes in...
-
A learning-based automatic segmentation and quantification method on left ventricle in gated myocardial perfusion SPECT imaging: A feasibility study
BackgroundThe performance of left ventricular (LV) functional assessment using gated myocardial perfusion SPECT (MPS) relies on the accuracy of...
-
Evaluation of the effect of reducing administered activity on assessment of function in cardiac gated SPECT
BackgroundWe previously optimized several reconstruction strategies in SPECT myocardial perfusion imaging (MPI) with low dose for perfusion-defect...
