Highlights
- •A total 11 studies with 313 patients with heart failure with reduced ejection fraction were included.
- •Renal denervation can increase left ventricular ejection fraction and 6-min walk distance.
- •Renal denervation can improve cardiac structure in people with heart failure.
- •Renal denervation seemed to be a safe treatment for heart failure.
- •This improvement after renal denervation was significant in Asian populations.
Abstract
Background
Some, but not all, recent studies have shown that renal denervation (RDN) can improve
cardiac function and exercise tolerance in people who have heart failure with reduced
ejection fraction (HFrEF). This study assessed the efficacy and safety of RDN as a
treatment for HFrEF.
Methods
The Medline, Cochrane Library, Embase, and PubMed databases were searched through
to September 28, 2022 for clinical studies that evaluated the effect of RDN on HFrEF.
The primary endpoints were changes in left ventricular ejection fraction (LVEF) and
6-min walk distance (6MWD). Secondary endpoints were changes in echocardiographic
parameters, including left ventricular end-diastolic and end-systolic diameters, left
atrial diameter, and interventricular septal thickness. N-terminal pro-B-type natriuretic
peptide (NT-proBNP) levels, New York Heart Association (NYHA) class, heart rate, and
systolic and diastolic blood pressure were also evaluated. Major adverse events were
defined as death and rehospitalization for heart failure during follow-up. The estimated
glomerular filtration rate (eGFR) and serum creatinine level were extracted as measures
of renal function.
Results
Eleven trials comprising 313 patients were eligible for quantitative analysis. Pooled
analyses showed a mean increase in LVEF of 4.25 % (95 % CI 1.77–6.72; p < 0.001, I2 = 69 %) and an increase in 6MWD (mean difference 50.28 m, 95 % CI 8.78–91.78; p = 0.02; I2 = 81 %) after RDN. Left ventricular end-diastolic and end-systolic diameters, left
atrial diameter, and interventricular septal thickness also improved after RDN. NT-proBNP,
NYHA class, and heart rate were significantly decreased after RDN. There were no significant
changes in blood pressure after RDN. Mortality and HF-related hospitalization rates
were relatively low. There was no significant change in eGFR or creatinine after RDN.
Conclusions
Our findings suggest that RDN can effectively increase LVEF and 6MWD in patients with
HFrEF but require confirmation in studies with larger sample sizes and longer follow-up
durations.
Graphical abstract

Graphical Abstract
Keywords
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Article info
Publication history
Published online: February 11, 2023
Accepted:
January 2,
2023
Received in revised form:
December 13,
2022
Received:
November 1,
2022
Publication stage
In Press Corrected ProofIdentification
Copyright
© 2023 Japanese College of Cardiology. Published by Elsevier Ltd. All rights reserved.