| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 8667390 | Journal of the American Society of Echocardiography | 2017 | 9 Pages |
Abstract
Preload modification with gravitational loading alters most hemodynamic and echocardiographic parameters including e' velocity, GLS, and GCS. However, end-systolic elastance and strain rate appear to be more load-independent measures to examine alterations in the cardiovascular function during postural and preload changes, including microgravity.
Keywords
Three-dimensionalLVOTEESGLSRSVREDVGCsGLSTACDICOMESVTotal arterial complianceeffective arterial elastanceLeft ventriculardigital imaging and communications in medicineEnd-diastolic volumeend-systolic volumestroke volumetwo-dimensionalnational aeronautics and space administrationleft atrialGlobal longitudinal strainglobal circumferential strainBlood pressureAstronautsleft ventricular outflow tractSystemic vascular resistanceNASAGlobal longitudinal strain rateejection fractionend-systolic elastanceGravity
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Authors
Kazuaki MD, PhD, Allen G. RDCS, Zoran B. MD, PhD, Neil L. PhD, David S. MS, RDCS, Michael W. MD, Benjamin D. MD, James D. MD,