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Muscle Metaboreflex And Arterial Baroreflex: Action, Interaction And Altered Control In Heart Failure, Jasdeep Kaur
Muscle Metaboreflex And Arterial Baroreflex: Action, Interaction And Altered Control In Heart Failure, Jasdeep Kaur
Wayne State University Dissertations
Stimulation of skeletal muscle afferents by metabolites that accumulate in the exercising muscle elicits a large pressor response, termed the muscle metaboreflex. Muscle metaboreflex activation during submaximal exercise induces large increases in arterial pressure, cardiac output, heart rate and ventricular contractility however, the vascular responses have varied in previous studies. We addressed three specific questions: 1) what are the mechanism(s) regulating the non-ischemic vasculature during muscle metaboreflex activation in normal subjects, 2) whether muscle metaboreflex activation vasoconstricts the ischemic active muscle from which this reflex originates and if this vasoconstriction is exaggerated in heart failure and 3) how do the …