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Stabile E, Muiesan ML, Ribichini FL, Sangiorgi G, Taddei S, Versaci F, Villari B, Bacca A, Benedetto D, Fioretti V, Laurenzano E, Scapaticci M, Saia F, Tarantini G, Grassi G, Esposito G. Italian Society of Interventional Cardiology (GISE) and Italian Society of Arterial Hypertension (SIIA) Position Paper on the role of renal denervation in the management of the difficult-to-treat hypertension. Minerva Cardiol Angiol 2024; 72:313-328. [PMID: 38535984 DOI: 10.23736/s2724-5683.23.06433-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/28/2024]
Abstract
Renal denervation (RDN) is a safe and effective strategy for the treatment of difficult to treat hypertension. The blood pressure (BP)-lowering efficacy of RDN is comparable to those of many single antihypertensive medications and it allows to consider the RDN as a valuable option for the treatment of difficult to treat hypertension together with lifestyle modifications and medical therapy. A multidisciplinary team is of pivotal importance from the selection of the patient candidate for the procedure to the post-procedural management. Further studies are needed to investigate the effect of RDN on clinical outcomes and to better identify the predictors of BP response to RDN in order to recognize the patients who are more likely to benefit from the procedure.
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Affiliation(s)
- Eugenio Stabile
- Division of Cardiology, Cardiovascular Department, Azienda Ospedaliera Regionale "San Carlo", Potenza, Italy
| | - Maria L Muiesan
- Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
| | - Flavio L Ribichini
- Division of Cardiovascular Medicine, Department of Medicine, University of Verona, Verona, Italy
| | | | - Stefano Taddei
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | | | - Bruno Villari
- Division of Cardiology, Sacro Cuore di Gesù Hospital, Benevento, Italy
| | - Alessandra Bacca
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Daniela Benedetto
- Division of Cardiology, Tor Vergata University Hospital, Rome, Italy
| | - Vincenzo Fioretti
- Division of Cardiology, Cardiovascular Department, Azienda Ospedaliera Regionale "San Carlo", Potenza, Italy
- Division of Cardiology, Department of Advanced Biomedical Sciences, University of Naples Federico II, Naples, Italy
| | | | | | - Francesco Saia
- Cardiology Unit, Cardio-Thoraco-Vascular Department, IRCCS University Hospital of Bologna, Policlinico S. Orsola, Bologna, Italy
| | - Giuseppe Tarantini
- Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua Medical School, Padua, Italy
| | - Guido Grassi
- Clinica Medica, University of Milano-Bicocca, Milan, Italy
| | - Giovanni Esposito
- Division of Cardiology, Department of Advanced Biomedical Sciences, University of Naples Federico II, Naples, Italy -
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Azzam O, Nejad SH, Carnagarin R, Nolde JM, Galindo-Kiuchi M, Schlaich MP. Taming resistant hypertension: The promise of novel pharmacologic approaches and renal denervation. Br J Pharmacol 2024; 181:319-339. [PMID: 37715452 DOI: 10.1111/bph.16247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Revised: 08/11/2023] [Accepted: 09/02/2023] [Indexed: 09/17/2023] Open
Abstract
Resistant hypertension is associated with an exceedingly high cardiovascular risk and there remains an unmet therapeutic need driven by pathophysiologic pathways unaddressed by guideline-recommended therapy. While spironolactone is widely considered as the preferable fourth-line drug, its broad application is limited by its side effect profile, especially off-target steroid receptor-mediated effects and hyperkalaemia in at-risk subpopulations. Recent landmark trials have reported promising safety and efficacy results for a number of novel compounds targeting relevant pathophysiologic pathways that remain unopposed by contemporary drugs. These include the dual endothelin receptor antagonist, aprocitentan, the aldosterone synthase inhibitor, baxdrostat and the nonsteroidal mineralocorticoid receptor antagonist finerenone. Furthermore, the evidence base for consideration of catheter-based renal denervation as a safe and effective adjunct therapeutic approach across the clinical spectrum of hypertension has been further substantiated. This review will summarise the recently published evidence on novel antihypertensive drugs and renal denervation in the context of resistant hypertension.
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Affiliation(s)
- Omar Azzam
- Dobney Hypertension Centre, Medical School-Royal Perth Hospital Unit, Royal Perth Hospital Medical Research Foundation, The University of Western Australia, Perth, Western Australia, Australia
- Department of Nephrology, Royal Perth Hospital, Perth, Western Australia, Australia
| | - Sayeh Heidari Nejad
- Dobney Hypertension Centre, Medical School-Royal Perth Hospital Unit, Royal Perth Hospital Medical Research Foundation, The University of Western Australia, Perth, Western Australia, Australia
| | - Revathy Carnagarin
- Dobney Hypertension Centre, Medical School-Royal Perth Hospital Unit, Royal Perth Hospital Medical Research Foundation, The University of Western Australia, Perth, Western Australia, Australia
| | - Janis M Nolde
- Dobney Hypertension Centre, Medical School-Royal Perth Hospital Unit, Royal Perth Hospital Medical Research Foundation, The University of Western Australia, Perth, Western Australia, Australia
| | - Marcio Galindo-Kiuchi
- Dobney Hypertension Centre, Medical School-Royal Perth Hospital Unit, Royal Perth Hospital Medical Research Foundation, The University of Western Australia, Perth, Western Australia, Australia
| | - Markus P Schlaich
- Dobney Hypertension Centre, Medical School-Royal Perth Hospital Unit, Royal Perth Hospital Medical Research Foundation, The University of Western Australia, Perth, Western Australia, Australia
- Department of Nephrology, Royal Perth Hospital, Perth, Western Australia, Australia
- Department of Cardiology, Royal Perth Hospital, Perth, Western Australia, Australia
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Cheng YY, Liu HX, Zhang M, Liu YJ, Nan Q. Computational Modeling of Catheter-based Radiofrequency Renal Denervation with Patient-specific Model. ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2021; 2021:4289-4292. [PMID: 34892170 DOI: 10.1109/embc46164.2021.9630677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Renal sympathetic denervation (RDN) is an effective approach for uncontrolled hypertension. Although several studies have compared the ablation characteristics at various locations, there is no direct comparative study on the effect of ablation in main and branch renal artery (RAs) and different electrode materials. The study aims to investigate the effect of different electrode materials (copper, gold, and platinum) and positions (proximal, middle, or distal site) on ablation. A 3D patient-specific renal artery model and a unipolar model (470 kHz) were constructed to mimic RDN. Two therapeutic strategies, including main (site 1 and 2) and branch (site 3) ablations were simulated with three electrode materials. The finite element method was used to calculate the coupled electric-thermal-flow field. Maximum lesion depth, width, area, and lesion angle were analyzed. The results showed that the difference in lesion width and depth was no mere than 0.5 mm, and the maximum difference value in lesion area is 0.683 mm2 among three electrode materials. The lesion angle of proximal site 1 versus middle site 2 was 58.39 ° and 52.23 °, but the difference between distal site 3 and site 1, or site 2 was 29.19 ° and 35.35 ° respectively. There is no significant difference in the use of the three electrode materials, and ablation at the distal site of the artery is more effective.Clinical Relevance-This provides a reference for the selection of RF electrode materials and ablation locations.
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Marin F, Fezzi S, Gambaro A, Ederle F, Castaldi G, Widmann M, Gangemi C, Ferrero V, Pesarini G, Pighi M, Ribichini FL. Insights on safety and efficacy of renal artery denervation for uncontrolled-resistant hypertension in a high risk population with chronic kidney disease: first Italian real-world experience. J Nephrol 2021; 34:1445-1455. [PMID: 33481223 PMCID: PMC8494706 DOI: 10.1007/s40620-021-00966-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 01/01/2021] [Indexed: 12/16/2022]
Abstract
Aims To evaluate the safety and efficacy of catheter-based radiofrequency renal sympathetic denervation (RSD) in a daily practice population of patients with uncontrolled resistant hypertension, on top of medical therapy. Methods Consecutive unselected patients with uncontrolled resistant hypertension undergoing RSD were enrolled. Office and ambulatory blood pressure (BP) measurements were collected at baseline and 3, 6 and 12 months after RSD. Efficacy was assessed even in patients with an estimated glomerular filtration rate (eGFR) below 45 mL/min/1.73 m2. Patients were defined as responders if systolic BP decreased by at least 5 mmHg at ambulatory BP or by 10 mmHg at office BP at their last follow-up visit. Results Forty patients with multiple comorbidities underwent RSD from 2012 to 2019. Baseline office and ambulatory BP was 159.0/84.9 ± 26.2/14.9 mmHg and 155.2/86.5 ± 20.9/14.0 mmHg, respectively. At 12-month follow up a significant reduction in office and ambulatory systolic BP, respectively by − 19.7 ± 27.1 mmHg and by − 13.9 ± 23.6 mmHg, was observed. BP reduction at 12-month follow-up among patients with eGFR < 45 mL/min was similar to that obtained in patients with higher eGFR. Twenty-nine patients (74.4%) were responders. Combined hypertension, higher ambulatory systolic BP and lower E/E’ at baseline emerged as predictors of successful RSD at univariate analysis. No major complications were observed and renal function (was stable up to 12 months), even in patients with the lowest eGFR values at baseline. Conclusion RSD is safe and feasible in patients with uncontrolled resistant hypertension on top of medical therapy, even in a high-risk CKD population with multiple comorbidities, with a significant reduction in systolic BP and a trend towards a reduction in diastolic BP lasting up to 12 months. Graphic abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1007/s40620-021-00966-7.
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Affiliation(s)
- Federico Marin
- Division of Cardiology, Department of Medicine, University of Verona, Piazzale Aristide Stefani 1, 37126, Verona, Italy
| | - Simone Fezzi
- Division of Cardiology, Department of Medicine, University of Verona, Piazzale Aristide Stefani 1, 37126, Verona, Italy
| | - Alessia Gambaro
- Division of Cardiology, Department of Medicine, University of Verona, Piazzale Aristide Stefani 1, 37126, Verona, Italy
| | - Francesco Ederle
- Division of Cardiology, Department of Medicine, University of Verona, Piazzale Aristide Stefani 1, 37126, Verona, Italy
| | - Gianluca Castaldi
- Division of Cardiology, Department of Medicine, University of Verona, Piazzale Aristide Stefani 1, 37126, Verona, Italy
| | - Maddalena Widmann
- Division of Cardiology, Department of Medicine, University of Verona, Piazzale Aristide Stefani 1, 37126, Verona, Italy
| | - Concetta Gangemi
- Division of Nephrology, Department of Medicine, University of Verona, Verona, Italy
| | - Valeria Ferrero
- Division of Cardiology, Department of Medicine, University of Verona, Piazzale Aristide Stefani 1, 37126, Verona, Italy
| | - Gabriele Pesarini
- Division of Cardiology, Department of Medicine, University of Verona, Piazzale Aristide Stefani 1, 37126, Verona, Italy
| | - Michele Pighi
- Division of Cardiology, Department of Medicine, University of Verona, Piazzale Aristide Stefani 1, 37126, Verona, Italy
| | - Flavio L Ribichini
- Division of Cardiology, Department of Medicine, University of Verona, Piazzale Aristide Stefani 1, 37126, Verona, Italy.
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Kandzari DE, Mahfoud F, Bhatt DL, Böhm M, Weber MA, Townsend RR, Hettrick DA, Schmieder RE, Tsioufis K, Kario K. Confounding Factors in Renal Denervation Trials: Revisiting Old and Identifying New Challenges in Trial Design of Device Therapies for Hypertension. Hypertension 2020; 76:1410-1417. [PMID: 32981360 DOI: 10.1161/hypertensionaha.120.15745] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Recent randomized sham-controlled trials have demonstrated significant blood pressure reductions following renal denervation (RDN) in patients with hypertension, both in the presence and absence of antihypertensive therapy. These new data encouraged us to revisit previously published insights into potential clinical trial confounding factors that informed the design and conduct of forthcoming trials. Initially identified confounders related to procedural technique, medication variability, and selected patient subgroups have been addressed in contemporary trial design. Regarding procedural method and technology, blood pressure reductions may be improved by ensuring circumferential lesion creation in the distal renal arteries and branch vessels. Safety of the RDN procedure has been demonstrated in multiple independent meta-analyses including thousands of treated patients with low reported rates of renal vessel complications and maintenance of renal function. However, a newer generation of RDN trials has also introduced insights related to medication adherence, patient selection, and the definition of treatment response. Evolving evidence indicates that RDN therapy may be considered in higher risk populations of uncontrolled hypertension regardless of ethnicity and in patients expressing a strong preference for a nondrug therapy option. Despite advances in procedural technique and clinical trial conduct, inconsistent antihypertensive-drug adherence behavior remains perhaps the most critical clinical trial design issue for device-based hypertension therapies. As the balance in clinical equipoise increasingly favors RDN, justification of sham-controlled trial designs will be revisited, and novel study designs may be required to evaluate the safety and efficacy of novel devices and procedures intended to address the escalating prevalence of poorly controlled hypertension.
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Affiliation(s)
- David E Kandzari
- From the Piedmont Heart Institute, Atlanta, GA (D.E.K.).,Brigham and Women's Hospital Heart & Vascular Center, Harvard Medical School (D.L.B.)
| | - Felix Mahfoud
- University Hospital of Saarland, Saarland University, Homburg, Germany (F.M., M.B.)
| | | | - Michael Böhm
- University Hospital of Saarland, Saarland University, Homburg, Germany (F.M., M.B.)
| | - Michael A Weber
- SUNY Downstate College of Medicine, Brooklyn, New York (M.A.W.)
| | - Raymond R Townsend
- Perelman School of Medicine, University of Pennsylvania, Philadelphia (R.R.T.)
| | | | | | - Konstantinos Tsioufis
- National and Kapodistrian University of Athens, Hippocration Hospital, Athens Medical Center, Greece (K.T.)
| | - Kazuomi Kario
- Jichi Medical University School of Medicine, Tochigi, Japan (K.K.)
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Sakaoka A, Rousselle SD, Hagiwara H, Tellez A, Hubbard B, Sakakura K. Safety of catheter-based radiofrequency renal denervation on branch renal arteries in a porcine model. Catheter Cardiovasc Interv 2018; 93:494-502. [PMID: 30407718 PMCID: PMC6587466 DOI: 10.1002/ccd.27953] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 08/22/2018] [Accepted: 10/10/2018] [Indexed: 12/15/2022]
Abstract
OBJECTIVES We aimed to investigate the safety of radiofrequency (RF)-renal denervation (RDN) on branch renal arteries (RAs) in a porcine model. BACKGROUND The efficacy of RF-RDN was enhanced by treatment of the branch RA, in addition to the main RA. However, there are concerns regarding the safety of RF-RDN on branch RA because of their smaller diameter and proximity to the kidney. METHODS RF was delivered to 24 RA from 12 swine. A total of 8 RA from 4 swine were untreated. Treated RA were examined by angiography and histopathology at 7, 30, and 90 days. Serum creatinine concentration, biophysical parameters during RF delivery, and renal norepinephrine concentration were also assessed. RESULTS Angiography revealed minimal late lumen loss and diameter stenosis in the main and branch RA at any time point. There was no change in serum creatinine after RF-RDN. Histopathologically, no augmentation of medial damage or neointimal formation was found in branch RA compared with main RA. No or minimal damage to surrounding tissues including the kidneys, ureters, lymph nodes, and muscles was observed at any time point in both the main and branch RA. Equivalent electrode temperature in the main and branch RA was achieved by automatic adjustment of output power by the generator. The renal norepinephrine concentration was significantly lower in the treated group compared with the untreated group. CONCLUSIONS RF-RDN on branch RA was safe in a porcine model, with stenosis-free healing of treated arteries and negligible kidney damage at 7, 30, and 90 days.
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Affiliation(s)
- Atsushi Sakaoka
- Evaluation Center, R&D Administration and Promotion Department, Terumo Corporation, Kanagawa, Japan
| | | | - Hitomi Hagiwara
- Evaluation Center, R&D Administration and Promotion Department, Terumo Corporation, Kanagawa, Japan
| | - Armando Tellez
- Alizée Pathology, LLC, Thurmont, Maryland.,Tecnologico de Monterrey, Escuela de Medicina y Ciencias de la Salud, Monterrey, Mexico
| | | | - Kenichi Sakakura
- Division of Cardiovascular Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
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Dimitriadis K, Tsioufis C, Tousoulis D. Finding the best ablation strategy for renal denervation: A continuing saga. J Clin Hypertens (Greenwich) 2017; 19:379-380. [PMID: 28322494 DOI: 10.1111/jch.12981] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Kyriakos Dimitriadis
- First Cardiology Clinic, Hippokration Hospital, University of Athens, Athens, Greece
| | - Costas Tsioufis
- First Cardiology Clinic, Hippokration Hospital, University of Athens, Athens, Greece
| | - Dimitrios Tousoulis
- First Cardiology Clinic, Hippokration Hospital, University of Athens, Athens, Greece
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