Abstract
Hypertension and cardiovascular disease are leading causes of morbidity and mortality worldwide. The prevalence of resistant hypertension remains high and is expected to increase. Moreover, there are limitations to therapeutic interventions aimed at treating resistant hypertension and heart failure despite the wide availability of therapeutic agents and dietary and lifestyle modification. Device-based therapy by baroreflex activation via carotid sinus/nerve stimulation is currently undergoing investigation, and promising findings from clinical trials have been published. Baroreflex activation therapy may represent a new approach for treatment of these conditions by reducing sympathetic drive and increasing parasympathetic activity. Here we describe a new technology which is designed to deliver carotid sinus stimulation to electrically activate the carotid baroreceptors and baroreflex, thereby reducing blood pressure and improving cardiac function. The theory, surgical techniques, and clinical trials of carotid sinus stimulation are highlighted.
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