Key result
High NaCl (8%) intake for 8 weeks in spontaneously hypertensive rats significantly decreased myogenic tone (P<0.023) and flow-induced dilation (P<0.012) in mesenteric resistance arteries.
Why the study?
Does high sodium intake alter flow-induced dilation and myogenic tone in resistance arteries of spontaneously hypertensive rats?
Population
Spontaneously hypertensive rats (mesenteric resistance arteries)
Comparison
High NaCl (8%) intake for 8 weeks vs Standard diet/control (implied)
Design
Preclinical
Follow-up
8 weeks
Authors
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High salt may impair microvascular function in hypertension; hypothesis-generating, should not yet change clinical practice.
Does high sodium intake alter flow-induced dilation and myogenic tone in resistance arteries of spontaneously hypertensive rats?
p-value: p=<0.023
High sodium intake decreases both flow-induced dilation and pressure-induced myogenic tone in resistance arteries of hypertensive rats, suggesting an attenuation of mechanosensor processes.
Matrougui et al. (1998) studied Spontaneously hypertensive rats. NaCl intake vs. Control/baseline was evaluated on Myogenic tone (MT) and flow-induced dilation (FD) (p=<0.023). High NaCl (8%) intake for 8 weeks in spontaneously hypertensive rats significantly decreased myogenic tone (P<0.023) and flow-induced dilation (P<0.012) in mesenteric resistance arteries.
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