Treatment of renal hypertension or carotid sinus syndrome with adventitial pharmaceutical sympathetic denervation or neuromodulation
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United States of America Patent
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Jun 18, 2013
Grant Date -
May 5, 2011
app pub date -
Apr 22, 2010
filing date -
Apr 22, 2009
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Abstract
Sympathetic nerves run through the adventitia surrounding renal arteries and are critical in the modulation of systemic hypertension. Hyperactivity of these nerves can cause renal hypertension, a disease prevalent in 30-40% of the adult population. Hypertension can be treated with neuromodulating agents (such as angiotensin converting enzyme inhibitors, angiotensin II inhibitors, or aldosterone receptor blockers), but requires adherence to strict medication regimens and often does not reach target blood pressure threshold to reduce risk of major cardiovascular events. A minimally invasive solution is presented here to reduce the activity of the sympathetic nerves surrounding the renal artery by locally delivering neurotoxic or nerve-blocking agents into the adventitia. Extended elution of these agents may also be accomplished in order to tailor the therapy to the patient.
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