Journal
NUCLEAR MEDICINE COMMUNICATIONS
Volume 28, Issue 5, Pages 391-399Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/MNM.0b013e3280a02fa2
Keywords
ejection fraction; electrocardiograph-gated blood-pool single photon emission computed tomography; radionuclide angiography; right ventricle; volume
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Background Electrocardiograph-gated single photon emission computed tomography (SPECT) radionuclide angiography provides accurate measurement of right ventricular ejection fraction and end-diastolic and end-systolic volumes. Aim In this study, we report the interstudy precision and reliability of SPECT radionuclide angiography for the measurement of global systolic right ventricular function using two, three-dimensional volume processing methods (SPECT-QBS, SPECT-35%). These were compared with equilibrium planar radionuclide angiography. Methods Ten patients with chronic coronary artery disease having two SPECT and planar radionuclide angiography acquisitions were included. Results For the right ventricular ejection fraction, end-diastolic volume and end-systolic volume, the interstudy precision and reliability were better with SPECT-35% than with SPECT-QBS. The sample sizes needed to objectify a change in right ventricular volumes or ejection fraction were lower with SPECT-35% than with SPECT-QBS. The interstudy precision and reliability of SPECT-35% and SPECT-QBS for the right ventricle were better than those of equilibrium planar radionuclide angiography, but poorer than those previously reported for the left ventricle with SPECT radionuclide angiography on the same population. Conclusion SPECT-35% and SPECT-QBS present good interstudy precision and reliability for right ventricular function, with the results favouring the use of SPECT-35%. The results are better than those of equilibrium planar radionuclide angiography, but poorer than those previously reported for the left ventricle with SPECT radionuclide angiography. They need to be confirmed in a larger population. Nucl Med Commun 28:391-399 (c) 2007 Lippincott Williams & Wilkins.
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