The assessment of an edge detection algorithm in determining left ventricular ejection fraction using radio-nuclide multiple gated acquisition and contrast ventriculography

The application of an edge detection algorithm (EDA) in defining the boundary of the left ventricle (LV) in multiple gated (MG) cardiac studies has been assessed by comparison of the left ventricular ejection fraction (LVEF) derived from X-ray contrast ventriculography (CV) in a series of patients....

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Bibliographic Details
Published in:European Journal of Nuclear Medicine 1982-01, Vol.7 (2), p.62-65
Main Authors: Jackson, P C, Allen-Narker, R, Davies, E R, Rees, J R, Wilde, P, Watt, I
Format: Article
Language:English
Subjects:
Adult
Aged
Cardiac Output
Contrast Media - administration & dosage
Female
Heart - diagnostic imaging
Heart Diseases - diagnostic imaging
Heart Diseases - physiopathology
Heart Ventricles - diagnostic imaging
Humans
Male
Mathematics
Middle Aged
Radiography
Radionuclide Imaging
Sodium Pertechnetate Tc 99m
Stroke Volume
Technetium
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Summary:The application of an edge detection algorithm (EDA) in defining the boundary of the left ventricle (LV) in multiple gated (MG) cardiac studies has been assessed by comparison of the left ventricular ejection fraction (LVEF) derived from X-ray contrast ventriculography (CV) in a series of patients. The results demonstrate good correlation between methods irrespective of the projection and LV status when an EDA is used, such that the correlation in anterior and left anterior oblique (45 degrees) views is 0.91 and 0.86 respectively.
ISSN:0340-6997
1619-7089
DOI:10.1007/BF00251644