Baroreflex sensitivity estimation by the sequence method with delayed signals

Objective To evaluate a modified sequence method with delayed time series for baroreflex sensitivity (BRS) estimation during supine position and orthostatism in healthy human beings. Methods Nineteen clinically healthy volunteers (12 men, age 28.4 ± 6.2 years old) were included. Blood pressure recor...

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Bibliographic Details
Published in:Clinical autonomic research 2012-12, Vol.22 (6), p.289-297
Main Authors: Martínez-García, Paola, Lerma, Claudia, Infante, Oscar
Format: Article
Language:English
Subjects:
Adaptation, Physiological
Adult
Age
Algorithms
Baroreceptors
Baroreflex - physiology
Blood pressure
Blood Pressure - physiology
Blood Pressure Determination - instrumentation
Blood Pressure Determination - methods
Cardiology
Diabetes
Endocrinology
Female
Gastroenterology
Heart
Humans
Male
Medicine
Medicine & Public Health
Neurology
Ophthalmology
Population studies
Posture - physiology
Reference Values
Reflexes
Research Article
Time Factors
Young Adult
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Summary:Objective To evaluate a modified sequence method with delayed time series for baroreflex sensitivity (BRS) estimation during supine position and orthostatism in healthy human beings. Methods Nineteen clinically healthy volunteers (12 men, age 28.4 ± 6.2 years old) were included. Blood pressure recordings were obtained during supine position and orthostatism (15 min each) with a Finometer. Systolic blood pressure (SBP) and inter beat intervals (IBI) measured from all heartbeats were used to estimate BRS in both positive and negative sequences, with SBP delayed between 0 and 5 heartbeats. BRS estimations were compared by ANOVA, p  
ISSN:0959-9851
1619-1560
DOI:10.1007/s10286-012-0173-7