INFLAMMATION AND SYMPATHETIC ACTIVATION IN HEART FAILURE: CORRELATION WITH EXERCISE PARAMETERS
نویسندگان
چکیده
منابع مشابه
Altered mechanisms of sympathetic activation during rhythmic forearm exercise in heart failure.
In congestive heart failure (CHF), the mechanisms of exercise-induced sympathoexcitation are poorly defined. We compared the responses of sympathetic nerve activity directed to muscle (MSNA) and to skin (SSNA, peroneal microneurography) during rhythmic handgrip (RHG) at 25% of maximal voluntary contraction and during posthandgrip circulatory arrest (PHG-CA) in CHF patients with those of an age-...
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BACKGROUND Muscle sympathetic activation in heart failure with reduced ejection fraction (HFrEF) has been attributed, on the basis of multiunit recordings, to attenuated inhibitory feedback from stretch-sensitive cardiopulmonary mechanoreceptors. However, such preparations integrate 2 populations of single units exhibiting directionally opposite firing when atrial pressure is perturbed. We test...
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ژورنال
عنوان ژورنال: Journal of the American College of Cardiology
سال: 2012
ISSN: 0735-1097
DOI: 10.1016/s0735-1097(12)61166-8