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Plateau Waves and Baroreflex Sensitivity in Patients with Head Injury: A Case Study

Sima Shahsavari (Institutionen för signaler och system, Signalbehandling) ; Tomas McKelvey (Institutionen för signaler och system, Signalbehandling) ; Bertil Rydenhag ; Catherine Eriksson-Ritzen
Proceedings of the 33rd Annual International Conference of the IEEE. Engineering in Medicine and Biology Society (1557170X). p. 3792-3795. (2011)
[Konferensbidrag, refereegranskat]

The study aimed to investigate baroreceptor reflex sensitivity in a patient with head injury for whom plateau waves of intracranial pressure (ICP) were recorded. Baroreflex sensitivity index was separately estimated on top of plateau waves and during intermediate intervals between two consecutive waves. The EuroBaVar data set was utilized to verify and validate the results. A very high baroreflex sensitivity associated with dominant parasympathetic activity was observed spontaneous to the acute elevations of ICP. The high vagal afferent discharge was found to be suggestive for the high firing rate of carotid baroreceptors and probably an active Cushing reflex mechanism during plateau waves.

Nyckelord: Baroreceptor reflex Sensitivity, Cushing reflex, Traumatic Brain Injury

Denna post skapades 2011-09-30. Senast ändrad 2015-05-06.
CPL Pubid: 146747


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Institutioner (Chalmers)

Institutionen för signaler och system, Signalbehandling
Institutionen för neurovetenskap och fysiologi, sektionen för klinisk neurovetenskap och rehabilitering (2006-2016)


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