Radionuclide ventriculography for assessment of absolute right and left ventricular volumes in children
Journal Article
·
· Circulation; (United States)
Absolute right and left ventricular volumes and cardiac output were determined from the equilibrium radionuclide angiogram in 26 children, ages 3 months to 18 years, with diverse types of heart disease. We validated these results by comparing them with left ventricular (20 patients) and right ventricular (16 patients) cineangiographic volumes and cardiac output. Radionuclide volumes and cardiac outputs were determined in two ways: by a geometric method (area-length for left ventricle, Simpson's rule for right ventricle) and by a count-based method (correcting ventricular regional counts for frame duration, acquisition time, venous blood counts and attenuation). Both methods for estimating left ventricular end-diastolic volume compared favorably with cineangiography (correlation coefficients greater than 0.90). The count-based method also correlated well for the right ventricle. End-systolic measurements were not possible. Count-based assessment of cardiac output also correlated well with cineangiographic values. Results show that right and left ventricular volumes and cardiac output can be reliably measured in children with equilibrium radionuclide ventriculography.
- Research Organization:
- Vanderbilt Univ. School of Medicine, Nashville, TN
- OSTI ID:
- 6383713
- Journal Information:
- Circulation; (United States), Journal Name: Circulation; (United States) Vol. 66:4; ISSN CIRCA
- Country of Publication:
- United States
- Language:
- English
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Tue Sep 01 00:00:00 EDT 1981
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Related Subjects
550601* -- Medicine-- Unsealed Radionuclides in Diagnostics
62 RADIOLOGY AND NUCLEAR MEDICINE
AGE GROUPS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BLOOD FLOW
BODY
CARDIOVASCULAR SYSTEM
CHILDREN
COMPARATIVE EVALUATIONS
COUNTING TECHNIQUES
DYNAMIC FUNCTION STUDIES
EQUILIBRIUM
HEART
HOURS LIVING RADIOISOTOPES
IMAGES
INTERMEDIATE MASS NUCLEI
ISOMERIC NUCLEI
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
MEASURING METHODS
NUCLEI
ODD-EVEN NUCLEI
ORGANS
PATIENTS
RADIOISOTOPE SCANNING
RADIOISOTOPES
TECHNETIUM 99
TECHNETIUM ISOTOPES
YEARS LIVING RADIOISOTOPES
62 RADIOLOGY AND NUCLEAR MEDICINE
AGE GROUPS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BLOOD FLOW
BODY
CARDIOVASCULAR SYSTEM
CHILDREN
COMPARATIVE EVALUATIONS
COUNTING TECHNIQUES
DYNAMIC FUNCTION STUDIES
EQUILIBRIUM
HEART
HOURS LIVING RADIOISOTOPES
IMAGES
INTERMEDIATE MASS NUCLEI
ISOMERIC NUCLEI
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
MEASURING METHODS
NUCLEI
ODD-EVEN NUCLEI
ORGANS
PATIENTS
RADIOISOTOPE SCANNING
RADIOISOTOPES
TECHNETIUM 99
TECHNETIUM ISOTOPES
YEARS LIVING RADIOISOTOPES