The impact of renal denervation procedure on use of antihypertensive drugs in the real-life setting

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Abstract

Purpose. Randomised controlled trials have shown that renal denervation lowers office and ambulatory blood pressure. The aim of the present study was to evaluate whether patients undergoing renal denervation procedure in a real-life setting have a reduction in antihypertensive drug prescription over the subsequent years. Material and methods. Using the healthcare utilisation database of the Lombardy Region (Italy), the 136 patients who, during the period 2011–2016, were prescribed four or more antihypertensive drugs and underwent renal denervation were included in the study cohort. The number and type of antihypertensive drugs were assessed over the year before and during the three-year period after renal denervation. Results. The median age of the patients was 67 years and 68% of them were men. Based on a multisource comorbidity score, about 40% of patients showed a poor or very poor clinical status. Before renal denervation, the majority of the patients were prescribed four or five antihypertensive drugs. The number of drugs decreased after the denervation and reached 55% after three years. Over the same period, patients prescribed six drugs decreased from 18% to 2%. All antihypertensive drugs were less prescribed throughout the post denervation period. Compared to the year before the denervation, after three years prescription of diuretics was reduced by 15%, calcium channel blockers by 21%, ACE-inhibitors by 32%, angiotensin receptor blockers by 22%, beta-blockers by 20%, and alfa-blockers by 30%. Use of antihypertensive drugs exhibited a reduction also in an age, sex, and clinically matched control group with no renal denervation to an extent, however, much lower than in denervated patients (p-value = 0.013). Conclusion. In the real-life setting, patients who underwent renal denervation had a clearcut reduction in antihypertensive drug prescription over the following years.Plain Language Summary Patients exhibited a reduction in the prescription of antihypertensive drugs during the three years that followed the denervation procedure The decrease in the number of antihypertensive drugs was marked, started after a relatively short time (six months), and involved all drugs prescribed before the denervation The number of hospitalisations for a cardiovascular event was similar before and after renal denervation Albeit blood pressure values were not recorded in our database, all these findings taken together suggest the renal denervation procedure has a favourable influence on blood pressure control and is not associated with an increase in the risk of major cardiovascular complications.

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CITATION STYLE

APA

Rea, F., Morabito, G., Savaré, L., Corrao, G., & Mancia, G. (2022). The impact of renal denervation procedure on use of antihypertensive drugs in the real-life setting. Blood Pressure, 31(1), 245–253. https://doi.org/10.1080/08037051.2022.2126345

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