When would you consider referring a patient with resistant hypertension for renal denervation?

I consider renal denervation in patients who have 2 kidneys without renal artery pathology, eGFR > 40, a negative secondary workup (including exclusion of primary aldosteronism), uncontrolled BP, and who can return for follow-up monitoring after the procedure. Some of my referrals have been in patie...