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  • Torakalna električna bioimpedanca pri mehanično ventiliranih bolnikih s kronično obstruktivno pljučno boleznijo
    Šifrer, Franc, 1929-2017 ; Drinovec, Igor
    Background. Cardiac output is one of the parameters of oxygen transport. Impedance cardiac output has the distinct advantage of being continous and noninvasive. During mechanical ventilation high ... fluctuations of intrathoracic pressures occur. No data have been presented as to the effects of positive presure ventilation in patients with chronic obstructive pulmonary disease on the assessment of cardiac output from throracic electrical bioimpedance. Methods. In order to evaluate a thoracic bioimpedance system for measurement of cardiac output, 40 paired values of cardiac output in 12 mechanically ventilated patients with chronic obstructive pulmonary disease and respiratory failure were measured simultaneously with the standard thermodilution method. Results. The data were plotted as the mean for the two measurement techniques versus the difference. The chosen acceptable difference for limits of agreement (mean difference +- 2SD) was set at 22 %. The mean difference was 0,1 liter per minute standard deviation 0,7 liters per minute (12,2 %). 92 % of differences for two measurement techniques did not exceed the chosen acceptable difference. The two methods are therefore considered to be in agreement. Conclusions. The continous nature of impedance method and its simplicity of use makes this technology very useful for titration of drug and fluid therapy. It provides warning from impending problems that might require immediate treatment.
    Vir: Zdravniški vestnik : glasilo Slovenskega zdravniškega društva = Slovenian medical journal = journal of Slovenian Medical Association. - ISSN 1318-0347 (Letn. 65, supl. 2, okt. 1996, str. 13-17)
    Vrsta gradiva - članek, sestavni del
    Leto - 1996
    Jezik - slovenski
    COBISS.SI-ID - 4832985

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