Relative accuracy of three scintigraphic methods for determination of right ventricular ejection fraction : a correlative study with ultrafast computed tomography

Karim Rezai; Robert Weiss; William Stanford; Janice Preslar; Melvin Marcus; Peter Kirchner

$Relative accuracy of three scintigraphic methods for determination of right ventricular ejection fraction : a correlative study with ultrafast computed tomography$

Journal article

Peer reviewed

Relative accuracy of three scintigraphic methods for determination of right ventricular ejection fraction : a correlative study with ultrafast computed tomography

Karim Rezai, Robert Weiss, William Stanford, Janice Preslar, Melvin Marcus and Peter Kirchner

The Journal of nuclear medicine (1978), Vol.32(3), pp.429-435

1991

PMID: 2005451

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Abstract

The accuracy of three scintigraphic methods for determination of right ventricular ejection fraction (RVEF) was tested in 29 patients using ultrafast computed tomography (UFCT) as the gold standard. RVEF measurements by the ECG-gated first-pass approach showed excellent correlation with the UFCT results (r = 0.96, y = 0.06 + 0.91x), while both the standard gated acquisition blood-pool imaging (r = 0.71, y = 0.14 + 0.59x) and the nongated first-pass curve approach (r = 0.63, y = 0.18 + 0.37x) significantly underestimated RVEF. The error can be ascribed to partial inclusion of the atrial activity in the region assigned to the right ventricle. The tricuspid valve plane was found to move by a distance equal to 9%-33% (mean = 20%) of the right ventricular long-axis between systole and diastole. This translational motion was more pronounced with higher EFs.

Biological and medical sciences

Investigative techniques, diagnostic techniques (general aspects)

Medical sciences

Details

Title: Subtitle: Relative accuracy of three scintigraphic methods for determination of right ventricular ejection fraction : a correlative study with ultrafast computed tomography
Creators: Karim Rezai - Univ. Iowa coll. medicine, cardiovasculr cent., dep. radiology, Iowa City IA 52242, United States
Robert Weiss - Univ. Iowa coll. medicine, cardiovasculr cent., dep. radiology, Iowa City IA 52242, United States
William Stanford - University of Iowa
Janice Preslar - Univ. Iowa coll. medicine, cardiovasculr cent., dep. radiology, Iowa City IA 52242, United States
Melvin Marcus - Univ. Iowa coll. medicine, cardiovasculr cent., dep. radiology, Iowa City IA 52242, United States
Peter Kirchner - Univ. Iowa coll. medicine, cardiovasculr cent., dep. radiology, Iowa City IA 52242, United States
Resource Type: Journal article
Publication Details: The Journal of nuclear medicine (1978), Vol.32(3), pp.429-435
Publisher: Society of Nuclear Medicine
PMID: 2005451
ISSN: 0161-5505
eISSN: 1535-5667
Language: English
Date published: 1991
Academic Unit: Radiology; Cardiovascular Medicine; Internal Medicine
Record Identifier: 9984359833902771

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