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  • Title: Comparative radionuclide and thermodilution determinations of cardiac output and stroke volume in the baboon (Papio ursinus).
    Author: Dormehl IC, Bosman H, Hugo N, Maree M, van Vuuren C, van Zandwyk C, van Aswegen A, Paterson L.
    Journal: J Med Primatol; 1987; 16(3):139-50. PubMed ID: 3612760.
    Abstract:
    Thermodilution cardiac output determinations and multigated equilibrium blood-pool scintigraphy were performed in ten healthy chacma baboons (Papio ursinus). The correlation was moderately good between both the radionuclide and thermodilution stroke volume (r = 0.58, SEE = 3 ml; SVth = 0.78SVr + 15.6 ml) as well as the cardiac output (r = 0.72, SEE = 0.2 liter/min; COth = 0.56 Cor + 2.1 liter/min). The attenuation depth dr as determined by radionuclide techniques was found to correlate well with the radiologically determined values dx (r = 0.8, SEE = 0.4 cm; dx = 0.87dr + 0.72 cm) which validated the depth values used in the calculations.
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