A novel algorithm allows for continuous estimation of pulse pressure variation index from arterial blood pressure alone, simplifying hemodynamic monitoring.
May simplify continuous deltaPP monitoring from ABP alone; leaves open prospective clinical validation before adoption.
We designed a new methodology to estimate the pulse pressure variation index (deltaPP) in arterial blood pressure (ABP). The method uses automatic detection algorithms, kernel smoothing, and rank-order filters to continuously estimate deltaPP. The technique can be used to estimate deltaPP from ABP alone, eliminating the need for simultaneously acquiring airway pressure.
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Aboy et al. (2004) studied this question.
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