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Published on: February 14, 2021
Carotid baroreflex activation: past, present, and future
Ingrid J M Scheffers1, Abraham A Kroon, Peter W de Leeuw
1Department of Internal Medicine, Maastricht University Medical Centre, Maastricht, The Netherlands.
Electrical stimulation of the carotid baroreceptor system offers a promising treatment for resistant hypertension. A new device demonstrated significant and sustained blood pressure reduction with good safety in a recent trial.
Area of Science:
- Cardiovascular medicine
- Biomedical engineering
- Neurosurgery
Background:
- Resistant hypertension requires novel therapeutic strategies.
- Previous attempts at baroreceptor activation faced limitations including adverse effects and technological challenges.
- Long-term data on baroreceptor activation therapies were lacking.
Purpose of the Study:
- To evaluate a novel device for electrical activation of the carotid baroreceptor system.
- To assess the safety and efficacy of this new therapy in patients with resistant hypertension.
Main Methods:
- A multicenter feasibility trial was conducted.
- Patients with resistant hypertension received treatment with the new electrical device.
- Office systolic blood pressure was monitored pre- and post-intervention.
Main Results:
- A clinically and statistically significant reduction in office systolic blood pressure exceeding 20 mm Hg was observed.
- This blood pressure reduction was sustained for at least 2 years.
- The treatment demonstrated an acceptable safety profile over the study period.
Conclusions:
- The novel device for electrical carotid baroreceptor activation shows potential for treating resistant hypertension.
- Sustained efficacy and a favorable safety profile suggest this therapy may be viable for wider application.
- Further research into long-term outcomes and optimization of surgical techniques is warranted.
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