• Conf Proc IEEE Eng Med Biol Soc · Jan 2011

    Estimation of baroreflex sensitivity during anesthesia induction with propofol.

    • Guadalupe Dorantes Mendez, Federico Aletti, Nicola Toschi, Antonio Canichella, Filadelfo Coniglione, Elisabetta Sabato, Florencia della Badia Giussi, Mario Dauri, Alessandro F Sabato, Maria Guerrisi, Giuseppe Baselli, Maria G Signorini, Sergio Cerutti, and Manuela Ferrario.
    • Dipartimento di Bioingegneria, Politecnico di Milano, Piazza Leonardo da Vinci 23, 20133 Milan, Italy.
    • Conf Proc IEEE Eng Med Biol Soc. 2011 Jan 1; 2011: 3788-91.

    AbstractThis paper presents the analysis of the autonomic nervous system (ANS) control and cardiac baroreflex sensitivity in patients undergoing general anesthesia for major surgery, with the goal of evaluating the effects of anesthesia bolus induction with propofol on autonomic control of heart rate (HR) and arterial blood pressure (ABP). The increase in baroreflex gain in the LF band observed through two different methods hints at the fact that the baroreflex may increase heart period (HP) following a transient ABP decrease, but its response displays a larger amplitude, to compensate for the blunting of the sympathetic action on heart rate and vascular resistance.

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