Additional trials may be necessary to ascertain if renal denervation technology doesn't work or simply needs further optimization, said SCAI fellow Dr. Rajiv Gulati, who discusses the SYMPLICITY HTN-3 study results in this video. "One issue with this technology is that there is no readout for procedural success," he said. "Whether you are an experienced or a novice operator, you don't know for certain whether you have achieved denervation. If there were a technology that gave a readout, it would go a long way to answering the question about whether denervation works."

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