Comput. Biol. Med. - Evaluation of a novel automated non-invasive pulse pressure variation algorithm.

Tópicos

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Resumo

In mechanically ventilated patients, Pulse Pressure Variation (PPV) has been shown to be a useful parameter to guide fluid management. We evaluated a real-time automated PPV-algorithm by comparing it to manually calculated PPV-values. In 10 critically ill patients, blood pressure was measured invasively (IBP) and non-invasively (CNAP(?) Monitor, CNSystems Medizintechnik, Austria). PPV was determined manually and compared to automated PPV values: PPVmanIBP vs. PPVautoIBP was -0.19 ? 1.65% (mean bias ? standard deviation), PPVmanCNAP vs. PPVautoCNAP was -1.02 ? 2.03% and PPVautoCNAP vs. PPVmanIBP was -2.10 ? 3.14%, suggesting that the automated CNAP(?) PPV-algorithm works well on both blood pressure waveforms but needs further clinical evaluation.

Resumo Limpo

mechan ventil patient puls pressur variat ppv shown use paramet guid fluid manag evalu realtim autom ppvalgorithm compar manual calcul ppvvalu critic ill patient blood pressur measur invas ibp noninvas cnap monitor cnsystem medizintechnik austria ppv determin manual compar autom ppv valu ppvmanibp vs ppvautoibp mean bias standard deviat ppvmancnap vs ppvautocnap ppvautocnap vs ppvmanibp suggest autom cnap ppvalgorithm work well blood pressur waveform need clinic evalu

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