Key result
Sympathetic modulation of vascular tone is limited by alpha-adrenoceptor signal transduction into cells rather than an intrinsic inability of cells to contract and relax at higher rates.
Population
Preclinical models including rabbit kidney, rat iliac circulation, and isolated rat vascular smooth muscle…
Design
Review
Authors
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Should not yet change clinical vascular management; extends mechanistic insights on alpha-adrenoceptor limits but remains hypothesis-generating.
The review clarifies that the frequency-dependent vascular response to sympathetic activity is primarily limited by alpha-adrenoceptor signal transduction.
Julien et al. (2001) conducted a review in Blood pressure variability. Sympathetic nervous activity (SNA) was evaluated. Sympathetic modulation of vascular tone is limited by alpha-adrenoceptor signal transduction into cells rather than an intrinsic inability of cells to contract and relax at higher rates.
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