Key result
Electrical vestibular stimulation in cats led to depressor responses (8 +/- 2 mmHg) with decreased femoral (23 +/- 4%) and increased brachial (10 +/- 6%) vascular resistance.
Why the study?
Does electrical vestibular stimulation lead to specific hemodynamic alterations compared to somatic afferent stimulation in anesthetized cats?
Population
Chloralose-urethane-anesthetized, baroreceptor-denervated cats
Comparison
Electrical vestibular stimulation vs Electrical stimulation of muscle and cutaneous…
Design
Preclinical
Authors
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Should not yet change practice; extends evidence for tissue-specific vestibulosympathetic patterning in animal models.
Does electrical vestibular stimulation lead to specific hemodynamic alterations compared to somatic afferent stimulation in anesthetized cats?
Vestibular stimulation produces a distinct pattern of cardiovascular changes compared to somatic afferent activation, highlighting specific vestibulosympathetic reflex patterning.
Kerman et al. (2000) studied Hemodynamic patterning. Electrical vestibular stimulation vs. Electrical stimulation of muscle and cutaneous afferents was evaluated on Changes in systemic blood pressure and blood flow to the hindlimb, forelimb, and kidney. Electrical vestibular stimulation in cats led to depressor responses (8 +/- 2 mmHg) with decreased femoral (23 +/- 4%) and increased brachial (10 +/- 6%) vascular resistance.
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