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Derendinger FC, Vischer AS, Krisai P, Socrates T, Schumacher C, Mayr M, Burkard T. Ability of a 24-h ambulatory cuffless blood pressure monitoring device to track blood pressure changes in clinical practice. J Hypertens 2024; 42:662-671. [PMID: 38288945 PMCID: PMC10906216 DOI: 10.1097/hjh.0000000000003667] [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: 07/27/2023] [Revised: 12/19/2023] [Accepted: 01/07/2024] [Indexed: 03/03/2024]
Abstract
OBJECTIVE There is an increasing number of cuffless blood pressure (BP) measurement (BPM) devices. Despite promising results when comparing single measurements, the ability of these devices to track changes in BP levels over 24 h related to an initial calibration BP (CalibBP) is unknown. Our aim was to analyse this ability in a cuffless device using pulse transit time. METHODS We prospectively enrolled 166 participants for simultaneously performed cuffless (Somnotouch-NIBP) and cuff-based (Spacelabs 90217A/IEM Mobil-O-graph) 24 h BPM. As CalibBP for the cuffless device, first cuff-based BP was used. As surrogate for changes in BP levels after the CalibBP, we used the difference between the CalibBP and mean 24 h, awake and asleep BP measured by the two devices. In addition, we analysed the relationship between the difference of the CalibBP and the cuff-based BPM versus the difference between the cuff-based and the cuffless BPM devices. RESULTS Mean(SD) difference between the CalibBP and mean 24hBP by the cuff-based or cuffless BP device were 7.4 (13.2) versus 1.8 (8.3) mmHg for systolic ( P < 0.0001) and 6.6 (6.8) versus 1.6 (5.8) mmHg for diastolic ( P < 0.0001). A near linear relationship was seen among the difference between the CalibBP and the cuff-based BPM values and the difference between the cuff-based and cuffless BPM device. CONCLUSION Our data indicate a lower ability of the cuffless BPM device to track changes of BP levels after CalibBP. In addition, cuffless device accuracy was associated with the changes in BP levels after the initial CalibBP - the larger the BP level change, the larger the difference between the devices. REGISTRATION https://www.clinicaltrials.gov ; Unique identifier: NCT03054688; NCT03975582.
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Affiliation(s)
- Felicia C. Derendinger
- Medical Outpatient Department and Hypertension Clinic, ESH Hypertension Centre of Excellence
- Faculty of Medicine, University Basel, Basel, Switzerland
| | - Annina S. Vischer
- Medical Outpatient Department and Hypertension Clinic, ESH Hypertension Centre of Excellence
- Faculty of Medicine, University Basel, Basel, Switzerland
| | - Philipp Krisai
- Department of Cardiology
- Cardiovascular Research Institute Basel, University Hospital Basel
- Faculty of Medicine, University Basel, Basel, Switzerland
| | - Thenral Socrates
- Medical Outpatient Department and Hypertension Clinic, ESH Hypertension Centre of Excellence
- Faculty of Medicine, University Basel, Basel, Switzerland
| | - Christina Schumacher
- Medical Outpatient Department and Hypertension Clinic, ESH Hypertension Centre of Excellence
| | - Michael Mayr
- Medical Outpatient Department and Hypertension Clinic, ESH Hypertension Centre of Excellence
- Faculty of Medicine, University Basel, Basel, Switzerland
| | - Thilo Burkard
- Medical Outpatient Department and Hypertension Clinic, ESH Hypertension Centre of Excellence
- Department of Cardiology
- Faculty of Medicine, University Basel, Basel, Switzerland
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2
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Feitosa ADDM, Barroso WKS, Mion Junior D, Nobre F, Mota-Gomes MA, Jardim PCBV, Amodeo C, Oliveira AC, Alessi A, Sousa ALL, Brandão AA, Pio-Abreu A, Sposito AC, Pierin AMG, Paiva AMGD, Spinelli ACDS, Machado CA, Poli-de-Figueiredo CE, Rodrigues CIS, Forjaz CLDM, Sampaio DPS, Barbosa ECD, Freitas EVD, Cestario EDES, Muxfeldt ES, Lima Júnior E, Campana EMG, Feitosa FGAM, Consolim-Colombo FM, Almeida FAD, Silva GVD, Moreno Júnior H, Finimundi HC, Guimarães ICB, Gemelli JR, Barreto-Filho JAS, Vilela-Martin JF, Ribeiro JM, Yugar-Toledo JC, Magalhães LBNC, Drager LF, Bortolotto LA, Alves MADM, Malachias MVB, Neves MFT, Santos MC, Dinamarco N, Moreira Filho O, Passarelli Júnior O, Vitorino PVDO, Miranda RD, Bezerra R, Pedrosa RP, Paula RBD, Okawa RTP, Póvoa RMDS, Fuchs SC, Lima SGD, Inuzuka S, Ferreira-Filho SR, Fillho SHDP, Jardim TDSV, Guimarães Neto VDS, Koch VHK, Gusmão WDP, Oigman W, Nadruz Junior W. Brazilian Guidelines for In-office and Out-of-office Blood Pressure Measurement - 2023. Arq Bras Cardiol 2024; 121:e20240113. [PMID: 38695411 DOI: 10.36660/abc.20240113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/19/2024] Open
Affiliation(s)
- Audes Diogenes de Magalhães Feitosa
- Universidade Federal de Pernambuco (UFPE), Recife, PE - Brasil
- Pronto Socorro Cardiológico de Pernambuco (PROCAPE), Recife, PE - Brasil
- Instituto de Assistência, Pesquisa e Ensino em Saúde (IAPES), Recife, PE - Brasil
| | | | - Decio Mion Junior
- Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo (HCFMUSP), São Paulo, SP - Brasil
| | - Fernando Nobre
- Hospital das Clínicas da Faculdade de Medicina de Ribeirão Preto da Universidade de São Paulo, Ribeirão Preto, SP - Brasil
| | - Marco Antonio Mota-Gomes
- Centro Universitário CESMAC, Maceió, AL - Brasil
- Hospital do Coração de Alagoas, Maceió, AL - Brasil
- Centro de Pesquisas Clínicas Dr. Marco Mota, Maceió, AL - Brasil
| | | | - Celso Amodeo
- Hcor, Associação Beneficente Síria, São Paulo, SP - Brasil
| | | | | | - Ana Luiza Lima Sousa
- Faculdade de Enfermagem da Universidade Federal de Goiás (UFG), Goiânia, GO - Brasil
| | | | - Andrea Pio-Abreu
- Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo (HCFMUSP), São Paulo, SP - Brasil
| | - Andrei C Sposito
- Universidade Estadual de Campinas (UNICAMP), Campinas, São Paulo - Brasil
| | | | | | | | | | | | - Cibele Isaac Saad Rodrigues
- Pontifícia Universidade Católica de São Paulo, Faculdade de Ciências Médicas e da Saúde,Sorocaba, SP - Brasil
| | | | | | | | | | | | - Elizabeth Silaid Muxfeldt
- Universidade Federal do Rio de Janeiro (UFRJ), Hospital Universitário Clementino Fraga Filho - Programa de Hipertensão Arterial Resistente (ProHArt), Rio de Janeiro, RJ - Brasil
- Instituto de Educação Médica (IDOMED) - Universidade Estácio de Sá, Rio de Janeiro, RJ - Brasil
| | | | | | - Fabiana Gomes Aragão Magalhães Feitosa
- Universidade Federal de Pernambuco (UFPE), Recife, PE - Brasil
- Pronto Socorro Cardiológico de Pernambuco (PROCAPE), Recife, PE - Brasil
- Instituto de Medicina Integral Prof. Fernando Figueira (IMIP), Recife, PE - Brasil
| | | | - Fernando Antônio de Almeida
- Pontifícia Universidade Católica de São Paulo, Faculdade de Ciências Médicas e da Saúde,Sorocaba, SP - Brasil
| | - Giovanio Vieira da Silva
- Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo (HCFMUSP), São Paulo, SP - Brasil
| | | | | | | | | | | | | | - José Marcio Ribeiro
- Faculdade Ciências Médicas de Minas Gerais, Belo Horizonte, MG - Brasil
- Hospital Felício Rocho, Belo Horizonte, MG - Brasil
| | | | | | - Luciano F Drager
- Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo (HCFMUSP), São Paulo, SP - Brasil
| | - Luiz Aparecido Bortolotto
- Instituto do Coração da Faculdade de Medicina da Universidade de São Paulo (Incor/FMUSP), São Paulo, SP - Brasil
| | | | - Marcus Vinícius Bolívar Malachias
- Faculdade Ciências Médicas de Minas Gerais, Belo Horizonte, MG - Brasil
- Fundação Educacional Lucas Machado (FELUMA), Belo Horizonte, MG - Brasil
| | | | - Mayara Cedrim Santos
- Universidade Federal de Pernambuco (UFPE), Recife, PE - Brasil
- Instituto de Assistência, Pesquisa e Ensino em Saúde (IAPES), Recife, PE - Brasil
| | - Nelson Dinamarco
- Colegiado de Medicina - Universidade Estadual de Santa Cruz (UESC), Ilhéus, BA - Brasil
| | | | | | | | | | - Rodrigo Bezerra
- Pronto Socorro Cardiológico de Pernambuco (PROCAPE), Recife, PE - Brasil
- Laboratório de Imunopatologia Keizo Asami da Universidade Federal de Pernambuco, Recife, PE - Brasil
| | | | | | | | | | - Sandra C Fuchs
- Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS - Brasil
| | | | - Sayuri Inuzuka
- Unidade de Hipertensão Arterial - NIPEE - LHA/UFG, Goiânia, GO - Brasil
| | | | | | | | | | - Vera Hermina Kalika Koch
- Instituto da Criança e do adolescente do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo (HCFMUSP), São Paulo, SP - Brasil
| | - Waléria Dantas Pereira Gusmão
- Centro Universitário CESMAC, Maceió, AL - Brasil
- Universidade Estadual de Ciências da Saúde de Alagoas (UNCISAL), Maceió, AL - Brasil
| | - Wille Oigman
- Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro, RJ - Brasil
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3
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Weber T, Wassertheurer S, Mayer CC, Hametner B, Danninger K, Townsend RR, Mahfoud F, Kario K, Fahy M, DeBruin V, Peterson N, Negoita M, Weber MA, Kandzari DE, Schmieder RE, Tsioufis KP, Binder RK, Böhm M. Twenty-Four-Hour Pulsatile Hemodynamics Predict Brachial Blood Pressure Response to Renal Denervation in the SPYRAL HTN-OFF MED Trial. Hypertension 2022; 79:1506-1514. [PMID: 35582957 PMCID: PMC9172874 DOI: 10.1161/hypertensionaha.121.18641] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Renal denervation (RDN) lowers blood pressure (BP), but BP response is variable in individual patients. We investigated whether measures of pulsatile hemodynamics, obtained during 24-hour ambulatory BP monitoring, predict BP drop following RDN.
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Affiliation(s)
- Thomas Weber
- Cardiology Department, Klinikum Wels-Grieskirchen, Austria (T.W., K.D., R.K.B.)
| | | | - Christopher C Mayer
- AIT - Austrian Institute of Technology, Vienna, Austria (S.W., C.C.M., B.H.)
| | - Bernhard Hametner
- AIT - Austrian Institute of Technology, Vienna, Austria (S.W., C.C.M., B.H.)
| | - Kathrin Danninger
- Cardiology Department, Klinikum Wels-Grieskirchen, Austria (T.W., K.D., R.K.B.)
| | - Raymond R Townsend
- Perelman School of Medicine, University of Pennsylvania, Philadelphia (R.R.T.)
| | - Felix Mahfoud
- Klinik für Innere Medizin III, Universitätsklinikum des Saarlandes, Saarland University, Homburg/Saar, Germany (F.M., M.B.)
| | - Kazuomi Kario
- Jichi Medical University School of Medicine, Tochigi, Japan (K.K.)
| | - Martin Fahy
- Medtronic PLC, Santa Rosa, CA (M.F., V.D., N.P., M.N.)
| | | | | | | | | | | | - Roland E Schmieder
- Department of Nephrology and Hypertension, University Hospital Erlangen, Friedrich Alexander University Erlangen Nürnberg, Germany (R.E.S.)
| | - Konstantinos P Tsioufis
- 1st Cardiology Clinic, National and Kapodistrian University of Athens, Hippokration Hospital, Greece (K.P.T.)
| | - Ronald K Binder
- Cardiology Department, Klinikum Wels-Grieskirchen, Austria (T.W., K.D., R.K.B.)
| | - Michael Böhm
- Klinik für Innere Medizin III, Universitätsklinikum des Saarlandes, Saarland University, Homburg/Saar, Germany (F.M., M.B.)
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4
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Weber T, Protogerou AD, Agharazii M, Argyris A, Aoun Bahous S, Banegas JR, Binder RK, Blacher J, Araujo Brandao A, Cruz JJ, Danninger K, Giannatasio C, Graciani A, Hametner B, Jankowski P, Li Y, Maloberti A, Mayer CC, McDonnell BJ, McEniery CM, Antonio Mota Gomes M, Machado Gomes A, Lorenza Muiesan M, Nemcsik J, Paini A, Rodilla E, Schutte AE, Sfikakis PP, Terentes-Printzios D, Vallée A, Vlachopoulos C, Ware L, Wilkinson I, Zweiker R, Sharman JE, Wassertheurer S. Twenty-Four-Hour Central (Aortic) Systolic Blood Pressure: Reference Values and Dipping Patterns in Untreated Individuals. Hypertension 2021; 79:251-260. [PMID: 34775789 PMCID: PMC8654125 DOI: 10.1161/hypertensionaha.121.17765] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
Supplemental Digital Content is available in the text. Central (aortic) systolic blood pressure (cSBP) is the pressure seen by the heart, the brain, and the kidneys. If properly measured, cSBP is closer associated with hypertension-mediated organ damage and prognosis, as compared with brachial SBP (bSBP). We investigated 24-hour profiles of bSBP and cSBP, measured simultaneously using Mobilograph devices, in 2423 untreated adults (1275 women; age, 18–94 years), free from overt cardiovascular disease, aiming to develop reference values and to analyze daytime-nighttime variability. Central SBP was assessed, using brachial waveforms, calibrated with mean arterial pressure (MAP)/diastolic BP (cSBPMAP/DBPcal), or bSBP/diastolic blood pressure (cSBPSBP/DBPcal), and a validated transfer function, resulting in 144 509 valid brachial and 130 804 valid central measurements. Averaged 24-hour, daytime, and nighttime brachial BP across all individuals was 124/79, 126/81, and 116/72 mm Hg, respectively. Averaged 24-hour, daytime, and nighttime values for cSBPMAP/DBPcal were 128, 128, and 125 mm Hg and 115, 117, and 107 mm Hg for cSBPSBP/DBPcal, respectively. We pragmatically propose as upper normal limit for 24-hour cSBPMAP/DBPcal 135 mm Hg and for 24-hour cSBPSBP/DBPcal 120 mm Hg. bSBP dipping (nighttime-daytime/daytime SBP) was −10.6 % in young participants and decreased with increasing age. Central SBPSBP/DBPcal dipping was less pronounced (−8.7% in young participants). In contrast, cSBPMAP/DBPcal dipping was completely absent in the youngest age group and less pronounced in all other participants. These data may serve for comparison in various diseases and have potential implications for refining hypertension diagnosis and management. The different dipping behavior of bSBP versus cSBP requires further investigation.
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Affiliation(s)
- Thomas Weber
- Cardiology Department, Klinikum Wels-Grieskirchen, Austria (T.W., R.K.B., K.D.)
| | - Athanase D Protogerou
- Cardiovascular Prevention and Research Unit, Clinic-Laboratory of Pathophysiology and First Department of Propeadeutic Internal Medicine, Laiko Hospital, Medical School, National and Kapodistrian University of Athens, Greece (A.D.P., A.A., P.P.S.)
| | - Mohsen Agharazii
- Centre de Recherche Du CHU de Québec, Université Laval, Canada (M.A.)
| | - Antonis Argyris
- Cardiovascular Prevention and Research Unit, Clinic-Laboratory of Pathophysiology and First Department of Propeadeutic Internal Medicine, Laiko Hospital, Medical School, National and Kapodistrian University of Athens, Greece (A.D.P., A.A., P.P.S.)
| | - Sola Aoun Bahous
- Lebanese American University School of Medicine, Byblos, Lebanon (S.A.B.)
| | - Jose R Banegas
- Department of Preventive Medicine and Public Health, School of Medicine, Universidad Autónoma de Madrid/IdiPAZ and CIBER in Epidemiology and Public Health, Spain (J.R.B., J.J.C., A.G.)
| | - Ronald K Binder
- Cardiology Department, Klinikum Wels-Grieskirchen, Austria (T.W., R.K.B., K.D.)
| | - Jacques Blacher
- AP-HP Centre-Université de Paris, Hôpital Hôtel-Dieu, Centre de diagnostic et de thérapeutique, France (J.B., A.V.)
| | | | - Juan J Cruz
- Department of Preventive Medicine and Public Health, School of Medicine, Universidad Autónoma de Madrid/IdiPAZ and CIBER in Epidemiology and Public Health, Spain (J.R.B., J.J.C., A.G.)
| | - Kathrin Danninger
- Cardiology Department, Klinikum Wels-Grieskirchen, Austria (T.W., R.K.B., K.D.)
| | - Cristina Giannatasio
- School of Medicine and Surgery, Milano-Bicocca University and Cardiology 4, ASST GOM Niguarda, Milan, Italy (C.G., A.M.)
| | - Auxiliadora Graciani
- Department of Preventive Medicine and Public Health, School of Medicine, Universidad Autónoma de Madrid/IdiPAZ and CIBER in Epidemiology and Public Health, Spain (J.R.B., J.J.C., A.G.)
| | - Bernhard Hametner
- Austrian Institute of Technology, Vienna, Austria (B.H., C.C.M., S.W.)
| | - Piotr Jankowski
- Institute of Cardiology, Jagellonian University, Krakow, Poland (P.J.)
| | - Yan Li
- Centre for Vascular Evaluations, Shanghai Institute of Hypertension, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, China (Y.L.)
| | - Alessandro Maloberti
- School of Medicine and Surgery, Milano-Bicocca University and Cardiology 4, ASST GOM Niguarda, Milan, Italy (C.G., A.M.)
| | - Christopher C Mayer
- Austrian Institute of Technology, Vienna, Austria (B.H., C.C.M., S.W.).,Experimental Medicine and Immunotherapeutics, Addenbrooke's Hospital, University of Cambridge, United Kingdom (C.M.M., I.W.)
| | - Barry J McDonnell
- Cardiff School of Sport and Health Sciences, Cardiff Metropolitan University, United Kingdom (B.J.M.)
| | - Carmel M McEniery
- Cardiology Department, Klinikum Wels-Grieskirchen, Austria (T.W., R.K.B., K.D.)
| | | | | | - Maria Lorenza Muiesan
- Department of Clinical and Experimental Sciences, Centro per la Prevenzione e Cura dell'ipertensione Arteriosa, University of Brescia and ASST Spedali Civili, Italy (M.L.M., A.P.)
| | - Janos Nemcsik
- Department of Family Medicine, Semmelweis University, Budapest, Hungary (J.N.)
| | - Anna Paini
- Department of Clinical and Experimental Sciences, Centro per la Prevenzione e Cura dell'ipertensione Arteriosa, University of Brescia and ASST Spedali Civili, Italy (M.L.M., A.P.)
| | - Enrique Rodilla
- Universidad Cardenal Herrera-CEU, CEU Universities, Hospital de Sagunto, Valencia, Spain (E.R.)
| | - Aletta E Schutte
- School of Population Health, University of New South Wales, Sydney, Australia (A.E.S.).,The George Institute for Global Health, Sydney, Australia (A.E.S.).,Hypertension in Africa Research Team, SAMRC Unit for Hypertension and Cardiovascular Disease, North-West University, South Africa (A.E.S.)
| | - Petros P Sfikakis
- Cardiovascular Prevention and Research Unit, Clinic-Laboratory of Pathophysiology and First Department of Propeadeutic Internal Medicine, Laiko Hospital, Medical School, National and Kapodistrian University of Athens, Greece (A.D.P., A.A., P.P.S.)
| | - Dimitrios Terentes-Printzios
- First Department of Cardiology, Hippokration General Hospital, National and Kapodistrian University of Athens, Greece (D.T.-P., C.V.)
| | - Alexandre Vallée
- AP-HP Centre-Université de Paris, Hôpital Hôtel-Dieu, Centre de diagnostic et de thérapeutique, France (J.B., A.V.)
| | - Charalambos Vlachopoulos
- Cardiology Department, Klinikum Wels-Grieskirchen, Austria (T.W., R.K.B., K.D.).,SAMRC/Wits Developmental Pathways for Health Research Unit, South Africa (L.W.)
| | - Lisa Ware
- DSI-NRF Centre of Excellence in Human Development, University of the Witwatersrand, South Africa (L.W.)
| | - Ian Wilkinson
- Experimental Medicine and Immunotherapeutics, Addenbrooke's Hospital, University of Cambridge, United Kingdom (C.M.M., I.W.)
| | - Robert Zweiker
- Cardiology Department, Klinikum Wels-Grieskirchen, Austria (T.W., R.K.B., K.D.)
| | - James E Sharman
- Cardiology Department, Klinikum Wels-Grieskirchen, Austria (T.W., R.K.B., K.D.)
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- Cardiology Department, Klinikum Wels-Grieskirchen, Austria (T.W., R.K.B., K.D.)
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5
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Mancia G, Masi S, Palatini P, Tsioufis C, Grassi G. Elevated heart rate and cardiovascular risk in hypertension. J Hypertens 2021; 39:1060-1069. [PMID: 33399305 DOI: 10.1097/hjh.0000000000002760] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Epidemiological studies have shown that chronically elevated resting heart rate (HR) is significantly associated with organ damage, morbidity and mortality in a wide range of patients including hypertensive patients. Evidence is also available that an increased HR reflects sympathetic nervous system overdrive which is also known to adversely affect organ structure and function and to increase the risk of unfavourable outcomes in several diseases. The causal relationship between elevated HR, organ damage, and cardiovascular outcomes can thus be explained by its relationship with sympathetic cardiovascular influences although evidence of sympathetically-independent adverse effect of HR increases per se makes it more complex. Interventions that target HR by modulating the sympathetic nervous system have therefore a strong pathophysiological and clinical rationale. As most clinical guidelines now recommend the use of combination therapies in patients with hypertension, it might be desirable to consider as combination components drugs which lower HR, if HR is elevated such as, according to guideliines, when it is above 80 b/min.
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Affiliation(s)
- Giuseppe Mancia
- University of Milano-Bicocca and Policlinico di Monza, Milan
| | - Stefano Masi
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.,National Centre for Cardiovascular Preventions and Outcomes, Institute of Cardiovascular Science, University College London, London, UK
| | - Paolo Palatini
- Department of Medicine, University of Padova, Padua, Italy
| | - Costas Tsioufis
- First Department of Cardiology, National and Kapodistrian university of Athens, Hippocratio Hospital, Athens, Greece
| | - Guido Grassi
- Clinica Medica, University Milano Bicocca, Milan, Italy
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