Journal Article10.3109/10976649909080829
Normal human right and left ventricular mass, systolic function, and gender differences by cine magnetic resonance imaging.
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TL;DR: Normative MRI data are presented that can be used for comparing individual patients and for further study of right and left ventricular interaction and agreement with published autopsy series was excellent.
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Abstract: Our objective was to establish normal ranges of left and right ventricular mass and function with cine magnetic resonance imaging (MRI) and to determine gender differences. Seventy-five healthy subjects (age range 8-55, mean 28 yr) were studied with cine MRI. Ten dogs were imaged for autopsy validation with a mean difference between actual and MRI-determined mass of 0.2 A +/- 8.4 g. Intraobserver and interobserver variability and interstudy variability were 5-6%. All parameters were significantly different between males and females except ejection fraction and the left ventricular mass to end-diastolic volume ratio. Agreement with published autopsy series, including gender differences, was excellent. This study presents normative MRI data that can be used for comparing individual patients and for further study of right and left ventricular interaction.
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TL;DR: The accuracy of M-mode echocardiography for measurement of left ventricular mass is similar to that of contrast angiography but may be exceeded by newer methods with greater cost or radiation exposure, including magnetic resonance imaging, cine-computed tomography, and three-dimensional e chocardiographic reconstruction.
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TL;DR: Good agreement was found between scintigraphic and angiographic determinations ofleft ventricular end-systolic and end-diastolic volumes, and radionuclide techniques, which are independent of geometric assumptions, may be utilized for the quantitation of left ventricular volumes.
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