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Updated: May 13, 2026

Improved Renal Denervation Mitigated Hypertension Induced by Angiotensin II Infusion
Published on: May 26, 2022
Research needs in the area of device-related treatments for hypertension
Jens Jordan1, Johannes F Mann, Friedrich C Luft
1Hannover Medical School, Institute of Clinical Pharmacology, Hannover, Germany.
Insights
New hypertension treatments like renal denervation and carotid sinus stimulation lack crucial data. Evidence-based standards are needed before widespread adoption of these devices.
Area of Science:
- Cardiovascular medicine
- Nephrology
- Medical device technology
Background:
- Hypertension is a major risk factor for cardiovascular and renal diseases.
- Existing medications are not effective for all patients.
- Device-based therapies, including renal denervation and carotid sinus stimulation, are emerging treatments.
Purpose of the Study:
- To highlight critical data deficiencies in current device-based hypertension treatments.
- To emphasize the need for evidence-based standards before widespread implementation.
Main Methods:
- Review of available data on catheter-based renal denervation.
- Assessment of data for electrical carotid sinus stimulation.
- Identification of missing histological, functional, and long-term endpoint data.
Main Results:
- Limited large-animal data exist for renal denervation's impact on arterial histology.
- Functional data on re-innervation are lacking for both renal denervation and carotid sinus stimulation.
- Sustained efficacy and long-term endpoint data are unavailable for both treatments.
Conclusions:
- Significant gaps in basic and clinical data hinder the evaluation of renal denervation and carotid sinus stimulation.
- Current evidence does not support the widespread introduction of these device-based hypertension therapies.
- Rigorous, evidence-based standards must be applied to medical devices before clinical adoption.
Abstract:
Hypertension is the primary risk factor for cardiovascular and renal-disease endpoints. Medications help many patients but not all. Recently, two device-related treatments have been introduced, catheter-based renal denervation and electrical carotid sinus stimulation. Remuneration for these treatments is guaranteed in many countries even though basic information is missing. We draw attention to deficiencies in the database. For catheter-based renal denervation, few large-animal data are available to investigate the effect of the intervention on the histology of the arterial wall. No functional data are available regarding re-innervation. For carotid sinus stimulation, the situation is similar. Acute activation of either treatment seems to reduce sympathetic tone dramatically. However, whether or not the effects are sustained over time is unknown. No 'end-point' data are available for either treatment. Devices should be subjected to evidence-based standards before widespread introduction.
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