Key result
A non-invasive computerized system analyzing RR intervals and pulse blood pressure variations during the Valsalva maneuver allows calculation of indexes for baroreflex function and sympathetic modulation.
Why the study?
Does a non-invasive computerized analysis of RR intervals and pulse blood pressure variations allow for the evaluation of baroreflex sensitivity during the Valsalva maneuver?
Does a non-invasive computerized analysis of RR intervals and pulse blood pressure variations allow for the evaluation of baroreflex sensitivity during the Valsalva maneuver?
A non-invasive computerized system analyzing RR intervals and pulse blood pressure variations during the Valsalva maneuver provides a useful tool for diagnosing barosystem impairment and autonomic dysfunction.
Provides non-invasive baroreflex assessment for routine autonomic evaluation; extends prior methods to clinical and research use.
A non-invasive versatile system was used to measure baroreflex sensitivity and autonomic sympathetic activity during the standardized Valsalva maneuver. This method, in spite of its simplicity, allowed calculation of some indexes to measure the extent of baroreflex function and cardiovascular sympathetic modulation during phase 2 and phase 4 of this maneuver. The authors describe the technical tool for diagnosis of barosystem impairment and autonomic dysfunctions in clinical practice.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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Carraro et al. (2002) studied Barosystem impairment and autonomic dysfunctions. Non-invasive computerized analysis of RR intervals and pulse blood pressure variations was evaluated on Baroreflex sensitivity and autonomic sympathetic activity. A non-invasive computerized system analyzing RR intervals and pulse blood pressure variations during the Valsalva maneuver allows calculation of indexes for baroreflex function and sympathetic modulation.
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