Long-term safety and efficacy of endovascular ultrasound renal denervation in resistant hypertension: 8-year results from the ACHIEVE study
- PMID: 39441345
- DOI: 10.1007/s00392-024-02555-7
Long-term safety and efficacy of endovascular ultrasound renal denervation in resistant hypertension: 8-year results from the ACHIEVE study
Abstract
Background: Ultrasound renal sympathetic denervation (uRDN) reduces blood pressure (BP) in the absence and presence of antihypertensive treatment at 2 months. Beyond 3 years, there is a lack of follow-up data. This study investigated the long-term safety and efficacy of uRDN.
Methods: This prospective observational study recruited patients previously included in the international multicenter ACHIEVE study, with office systolic blood pressure (SBP) ≥160 mmHg, 24 h ambulatory SBP ≥130 mmHg, ≥3 antihypertensive drugs and estimated Glomerular Filtration Rate (eGFR) ≥45 ml/min/1.73m2 undergoing uRDN. The primary efficacy outcome was 24 h ambulatory SBP, adjusted for the number of defined daily dosages (DDD) of antihypertensive drugs. Statistical analyses were performed using linear mixed-effects models and inverse probability weighting.
Results: A total of 27 out of the initially enrolled 96 patients underwent prospective follow-up at a median of 8.2 [7.6-8.9] years. Mean age was 62.6±9.3 years (37.0% female). Preprocedural 24 h ambulatory BP was 151.9/84.1±11.5/11.1 mmHg and the median number of DDDs was 5.0 [4.3-7.0]. At 8 years after uRDN, the change in 24 h ambulatory SBP was -19.5 [95%CI -26.7,-12.4] mmHg (p<0.001). The 8-year change in the number of DDDs was -1.7 [-2.8,-0.6] (p = 0.003). The 8-year decline in eGFR was -8.9 [-13.2,-4.7] ml/min/1.73m2 (p<0.001). Clinical event data were available for all 96 patients (median follow-up 3.5 [1.0-8.0] years). Renal failure occurred in one patient and no cases of renal artery stenosis were detected.
Conclusions: A significant BP reduction was observed up until 8 years following uRDN in parallel to a decrease in drug burden over time, in the absence of procedure-related adverse events.
Keywords: Ambulatory; Antihypertensive agents; Blood pressure monitoring; Glomerular Filtration Rate; Hypertension; Renal artery; Sympathectomy.
© 2024. The Author(s).
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