1990
DOI: 10.1093/eurheartj/11.suppl_i.79
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Abstract: The Kubicek thoracic cylinder model of impedance cardiography (IC) for measuring beat-by-beat stroke volume (SV) was evaluated in controlled studies using the electromagnetic flowmeter (FM) as the reference technique. Assuming the validity of the Kubicek equation for stroke volume calculation, IC stroke volume was found to be a linear function of EM values at any one haematocrit over a wide range of SV, but the slope of the relationship fell as haematocrit fell. Experiments using the same equation in dogs, in … Show more

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Cited by 44 publications
(28 citation statements)
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“…100 Studies that have assessed CO by impedance cardiography during salt loading in humans, including those by Morris and colleagues, have generally found only transient increases in CO that are 10% or less 9,99 ( Figure 5 ). Moreover, increased TPR in these studies generally follows, rather than precedes, increased BP after a few days of salt loading.…”
Section: Is Increased Tpr (“Vasodysfunction”) a Consequence Rather Thmentioning
confidence: 98%
“…100 Studies that have assessed CO by impedance cardiography during salt loading in humans, including those by Morris and colleagues, have generally found only transient increases in CO that are 10% or less 9,99 ( Figure 5 ). Moreover, increased TPR in these studies generally follows, rather than precedes, increased BP after a few days of salt loading.…”
Section: Is Increased Tpr (“Vasodysfunction”) a Consequence Rather Thmentioning
confidence: 98%
“…On the study day, volunteers reported to the laboratory at 7-8 a.m. Subjects were investigated after an overnight fast [27] and is acceptable for clinical use particularly in studies investigating young subjects free from any cardiovascular disease [28]. In our laboratory, we have determined that the variability of stroke volume measured by impedance cardiography is less than 5.5% (expressed as coefficient of variation) [29].…”
Section: Study Population and Protocolmentioning
confidence: 99%
“…Impedance cardiography agrees closely with measurements obtained by Doppler echocardiography or thermodilution, 31 and is acceptable for clinical use particularly in studies investigating young subjects free from any cardiovascular disease. 32 In our laboratory, we have determined that the variability of stroke volume measured by impedance cardiography is less than 5.5% (expressed as coefficient of variation). 30 Stroke volume (SV) (ml) was measured by impedance cardiography using the standard approach with circular tape electrodes and graphical signal analysis according to Kubicek's equation.…”
Section: Anthropometric and Haemodynamic Parametersmentioning
confidence: 99%