Symplicity Spyral to Treat Refractory Hypertension

September 28, 2021 | Technology Forecasts


Symplicity Spyral is a catheter-based device intended to ablate the sympathetic nerves that line the main renal arteries connecting the kidneys to the aorta.

Deactivating the renal sympathetic nerves purportedly can help reduce difficult-to-manage high blood pressure (ie, hypertension). An interventional procedure would shift care from standard office-based medical management for most patients with uncontrolled high blood pressure.

A physician inserts the helical ablation catheter into the femoral artery in the groin and advances it into the left and right renal arteries, alternately, to deliver radiofrequency energy in a spiral pattern, about 1 minute per application, to one or more sections of each artery. The physician removes the catheter using standard interventional techniques after treating both renal arteries. ...

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