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A New Echocardiographic Tool for Cardiac Output Evaluation

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Bobbia, Xavier | Muller, Laurent | Claret, Pierre-Géraud | Vigouroux, Laure | Perez-Martin, Antonia | de La Coussaye, Jean Emmanuel | Lefrant, Jean Yves | Louart, Guillaume | Roger, Claire | Markarian, Thibaut

Edité par CCSD ; Lippincott, Williams & Wilkins -

International audience. The correlation between cardiac output (CO) evaluated by echocardiography and CO measured by thermodilution (COth) varies according to different studies. A new transthoracic echocardiography (TTE) tool allows automatic calculation of the subaortic velocity time index (VTIauto) and CO (COauto). The main objective was to evaluate the correlation between COth and COauto in an anesthetized, ventilated piglet hemorrhagic shock (HS) model. The secondary objectives were to evaluate the correlation between COth and CO evaluated by manual measurements of VTI, and the preload-dependency of VTIvaresp.

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