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Validity and reproducibility of determination of cardiac output by thermodilution in man

par Olsson, Bertil;Pool, John;Vandermoten, Pol ;Varnauskas, Ed;Wassén, Rune
Référence Cardiology, 55, 3, page (136-148)
Publication Publié, 1970

Article révisé par les pairs

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Résumé :

A thermodilution technique using a dual thermistor catheter introduced in the pulmonary artery was used for the determination of cardiac output at rest in 12 patients and for the same measurement during exercise in 6 patients with valvular disease. The correlation coefficient between thermodilution and the dye dilution technique is 0.98. The precision of the method assessed by multiple repeated determinations is 7.5% at rest and 6.9% during mild exercise. The reproducibility at rest indicates that a steady state has been maintained in an acceptable way. In one case of tricuspid insufficiency it was not possible to evaluate the cardiac output. © 1970 S. Karger AG, Basel.