Breaking the Cycle of Polypharmacy: A Case Report of Renal Denervation in Resistant Hypertension
Abstract
Background: Resistant hypertension poses a significant therapeutic challenge, often leading to severe polypharmacy. Renal denervation (RDN) has re-emerged as a valuable adjunctive intervention for blood pressure control. Case Presentation: We report the case of a 64-year-old man (body mass index [BMI] 34 kg/m2) with long-standing resistant hypertension (RH), after previous percutaneous coronary intervention (PCI) to the left anterior descending artery, heart failure with preserved ejection fraction (HFpEF), and prior nephron-sparing surgery for clear cell renal carcinoma. Despite treatment with an extensive antihypertensive regimen encompassing nine pharmacological classes including diuretic therapy (angiotensin-converting enzyme inhibitor; calcium channel blocker, thiazide diuretic, β-blocker, α1-blocker, central α2-agonist, mineralocorticoid receptor antagonist, loop diuretic, long-acting nitrates), blood pressure remained severely uncontrolled on both home and office measurements. Persistent hypertension was accompanied by exertional dyspnoea and episodes of exertional chest discomfort. Following comprehensive evaluation and exclusion of secondary causes of hypertension, the patient underwent catheter-based renal denervation using the SymplicitySpyral™ (Medtronic) multi-electrode radiofrequency system. The procedure was associated with substantial and sustained improvement in blood pressure control, with mean 24 h ambulatory blood pressure measurements decreasing to…
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