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Cited by 18 publications
(8 citation statements)
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“…Twenty-five per cent of the observed variance of differences between the steady-state Finapres measurement and the steady-state oscillometric measurement of brachial artery pressure can be explained by vasomotor activity in the finger . A decrease in finger blood flow of about 65% has been cited as a threshold for proper functioning of a prototype non-invasive Finapres monitor (Kurki et al, 1988). The radial cannulation might have caused vasospasm, thus impairing the ipsilateral agreement of the invasive and noninvasive methods in the present study.…”
Section: Discussionmentioning
confidence: 69%
“…Twenty-five per cent of the observed variance of differences between the steady-state Finapres measurement and the steady-state oscillometric measurement of brachial artery pressure can be explained by vasomotor activity in the finger . A decrease in finger blood flow of about 65% has been cited as a threshold for proper functioning of a prototype non-invasive Finapres monitor (Kurki et al, 1988). The radial cannulation might have caused vasospasm, thus impairing the ipsilateral agreement of the invasive and noninvasive methods in the present study.…”
Section: Discussionmentioning
confidence: 69%
“…Am ger based on the volume clamp method of Peñáz and the physiocal criteria of W esseling.4^6 The Finapres device has been show n to provide a useful alternative to continuous IAP measurement in laboratory test ing.7"9 However, the pressure transmission between brachial and finger artery, and thus the difference in pressure between the two sites, can be modified by changes in the properties of the vasculature in fore arm and hand. Conditions which might change these properties are: hypertension, 10,11 old age,11, vascu lar disease, 13 vasoconstriction, 14"16 cannula tion of the radial artery, 17 and the use of ß-adrenoceptor block ing agents. 11 Recently it has been shown that both accuracy and precision of the Finapres device are re duced w hen a combination of the above-mentioned factors are present.…”
mentioning
confidence: 99%
“…Indeed, the estimation on the finger and the one measured on the arm may be altered by the physiological transmission of the pulse wave to the fingers, in that the pressure gradient along the arteries means that at the finger level the pressure is lower than at the arm level. The reduction in the arterial diameter could lead to detect lower pressure values in patients with vascular damage characterized by greater vessel stiffness and/or the presence of calcification [11, 12]. …”
Section: Discussionmentioning
confidence: 99%