title: Estimation of baroreflex sensitivity during anesthesia induction with propofol.
abstract: This 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.
authors.affiliation: Dipartimento di Bioingegneria, Politecnico di Milano, Piazza Leonardo da Vinci 23, 20133 Milan, Italy.
authors.forename: Guadalupe Dorantes
authors.initials: GD
authors.lastname: Mendez
authors.forename: Federico
authors.initials: F
authors.lastname: Aletti
authors.forename: Nicola
authors.initials: N
authors.lastname: Toschi
authors.forename: Antonio
authors.initials: A
authors.lastname: Canichella
authors.forename: Filadelfo
authors.initials: F
authors.lastname: Coniglione
authors.forename: Elisabetta
authors.initials: E
authors.lastname: Sabato
authors.forename: Florencia
authors.initials: F
authors.lastname: della Badia Giussi
authors.forename: Mario
authors.initials: M
authors.lastname: Dauri
authors.forename: Alessandro F
authors.initials: AF
authors.lastname: Sabato
authors.forename: Maria
authors.initials: M
authors.lastname: Guerrisi
authors.forename: Giuseppe
authors.initials: G
authors.lastname: Baselli
authors.forename: Maria G
authors.initials: MG
authors.lastname: Signorini
authors.forename: Sergio
authors.initials: S
authors.lastname: Cerutti
authors.forename: Manuela
authors.initials: M
authors.lastname: Ferrario
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D018686:Anesthetics, Intravenous / Q000008:administration & dosage* / Q000494:pharmacology; D017704:Baroreflex / Q000187:drug effects*; D001794:Blood Pressure; D005260:Female; D006339:Heart Rate; D006801:Humans; D008297:Male; D015742:Propofol / Q000008:administration & dosage* / Q000494:pharmacology
chemical_list: D018686:Anesthetics, Intravenous; D015742:Propofol