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Recycling inside the fistula for all recycling fistula recycling and heart lung recycling and/or the method of calculating the ratio of heart lung recycling
Recycling inside the fistula for all recycling fistula recycling and heart lung recycling and/or the method of calculating the ratio of heart lung recycling
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机译:在瘘管内进行回收,以进行所有的瘘管回收和心肺回收和/或计算心肺回收率的方法
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摘要
The method according to the invention and the apparatus according to the invention are characterized in that the substitution rate QS is modified by a predefined amount upstream or downstream of the dialyzer or filter while the flow rate QFM of the liquid withdrawn through the dialyzer membrane is modified. The blood volume RBV(t) or a variable correlated with the blood volume, e.g. the hematocrit Hct(t), is determined before and after modifying the substitution rate or the flow rate of the liquid withdrawn through the dialyzer or filter membrane in order to calculate fistula recirculation RA. In addition, the total recirculation R is determined. The percentage of fistula recirculation (RA) and/or cardiopulmonary recirculation (RCP) relative to the total recirculation is calculated from the determined fistula recirculation (RA) and the sum R of fistula recirculation (RA) and cardiopulmonary recirculation (RCP).
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