Key result
Applying a static magnetic field to sinocarotid baroreceptors increases baroreflex sensitivity ~47% in conscious rabbits.
Why the study?
Environmental and artificial magnetic fields have a significant impact on cardiovascular regulation, but their interrelated effects on arterial baroreceptors are not well understood.
Does application of a 0.35 T static magnetic field to the sinocarotid baroreceptor region improve baroreflex sensitivity in conscious rabbits?
Does application of a 0.35 T static magnetic field to the sinocarotid baroreceptor region improve baroreflex sensitivity in conscious rabbits?
Absolute Event Rate: 1.15% vs 0.78%
p-value: p=<.0002
Local exposure to a 0.35 T static magnetic field at the sinocarotid baroreceptors significantly increases baroreflex sensitivity in conscious rabbits, suggesting potential therapeutic applications for conditions with decreased baroreflex sensitivity such as hypertension.
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SMF/GMF effects on rabbit BRS remain hypothesis-generating; human studies needed before any clinical consideration.
Gmitrov et al. (2002) studied this question. Static magnetic field (SMF) vs. Sham / Initial value was evaluated on Baroreflex sensitivity (BRS) for the nitroprusside depressor test (p=<.0002). Application of a 0.35 T static magnetic field to the sinocarotid baroreceptor region in conscious rabbits significantly increased baroreflex sensitivity (1.15 vs 0.78 bpm/mmHg%; P<0.0002).
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