ex-vivo MPS was performed approximately 8–10 h after intravenous injection of a 1000 MBq dose of 99mTc-tetrofosmin using a dual head camera (Philips SKYlight, Best, the Netherlands) and a vertex high resolution collimator (ADAC Vertex, Milpitas, CA, USA) at 32 projections (40 s per projection) with a 64 × 64 matrix yielding a digital resolution of 4.24 mm isotropic voxels. Iterative reconstruction using maximum likelihood expectation maximization (MLEM) was performed with a low resolution Butterworth filter with a cut-off frequency set to 0.6 of Nyquist and order 5.0. No attenuation or scatter correction was applied. Finally, a short-axis image stack was reconstructed using commercially available software (AutoSPECT Plus, Pegasys software version 5.01, Philips, Best, The Netherlands).
Autospect plus
Manufactured by Philips
The AutoSPECT Plus is a single-photon emission computed tomography (SPECT) imaging system manufactured by Philips. It is designed for the acquisition and reconstruction of nuclear medicine images.
Automatically generated - may contain errors
Lab products found in correlation
2 protocols using autospect plus
1
Ex-vivo SPECT Myocardial Perfusion Imaging
2
Cardiac SPECT Image Reconstruction
Check if the same lab product or an alternative is used in the 5 most similar protocols
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SPECT nongated projection images were reviewed in cine mode in all cases to assess the patient's movement, sources of potential attenuation artifacts, and gastric activity. The raw images (both gated and nongated datasets) were reconstructed using manufacturer provided Astonish (iterative reconstruction and resolution recovery) software (AutoSPECTPlus™, Philips Medical Systems) by an experienced technologist, who was blinded from this research project.
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