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Puvrez A, Duchenne J, Donal E, Gorcsan J, Patel HC, Marwick TH, Smiseth OA, Søgaard P, Stankovic I, Diogo PG, Vörös G, Voigt JU. Mechanical dyssynchrony as a selection criterion for cardiac resynchronization therapy: Design of the AMEND-CRT trial. ESC Heart Fail 2024. [PMID: 38984947 DOI: 10.1002/ehf2.14932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 05/25/2024] [Accepted: 06/14/2024] [Indexed: 07/11/2024] Open
Abstract
AIMS One third of patients do not improve after cardiac resynchronization therapy (CRT). Septal flash (SF) and apical rocking (ApRock) are deformation patterns observed on echocardiography in most patients eligible for CRT. These markers of mechanical dyssynchrony have been associated to improved outcome after CRT in observational studies and may be useful to better select patients. The aim of this trial is to investigate whether the current guideline criteria for selecting patients for CRT should be modified and include SF and ApRock to improve therapy success rate, reduce excessive costs and prevent exposure to device-related complications in patients who would not benefit from CRT. METHODS The AMEND-CRT trial is a multicentre, randomized, parallel-group, double-blind, sham-controlled trial with a non-inferiority design. The trial will include 578 patients scheduled for CRT according to the 2021 ESC guidelines who satisfy all inclusion criteria. The randomization is performed 1:1 to an active control arm ('guideline arm') or an experimental arm ('echo arm'). All participants receive a device, but in the echo arm, CRT is activated only when SF or ApRock or both are present. The outcome of both arms will be compared after 1 year. The primary outcome measures are the average change in left ventricular end-systolic volume and patient outcome assessed using a modified Packer Clinical Composite Score. CONCLUSIONS The findings of this trial will redefine the role of echocardiography in CRT and potentially determine which patients with heart failure and a prolonged QRS duration should receive CRT, especially in patients who currently have a class IIa or class IIb recommendation.
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Affiliation(s)
- Alexis Puvrez
- Department of Cardiovascular Diseases, University Hospitals Leuven, Leuven, Belgium
- Department of Cardiovascular Sciences, KU Leuven, Leuven, Belgium
| | - Jürgen Duchenne
- Department of Cardiovascular Diseases, University Hospitals Leuven, Leuven, Belgium
- Department of Cardiovascular Sciences, KU Leuven, Leuven, Belgium
| | - Erwan Donal
- LTSI, Inserm 1099, LTSI, University of Rennes, Rennes, France
- Department of Cardiology, CHU Rennes, Rennes, France
| | - John Gorcsan
- Heart and Vascular Institute, Penn State University College of Medicine, Hershey, Pennsylvania, USA
| | - Hitesh C Patel
- Department of Cardiology, Alfred Hospital, Melbourne, Victoria, Australia
- Central Clinical School, Monash University, Melbourne, Victoria, Australia
- Baker Heart and Diabetes Institute, Melbourne, Australia
| | | | - Otto A Smiseth
- Institute for Surgical Research, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Peter Søgaard
- Department of Cardiology, Aalborg University Hospital and University of Aalborg, Aalborg, Denmark
- Department of Cardiology, Rigshospitalet, Copenhagen, Denmark
| | - Ivan Stankovic
- Faculty of Medicine, University of Belgrade, Belgrade, Serbia
- Department of Cardiology, Clinical Hospital Centre Zemun, Belgrade, Serbia
| | - Pedro G Diogo
- Department of Cardiovascular Diseases, University Hospitals Leuven, Leuven, Belgium
- Department of Cardiovascular Sciences, KU Leuven, Leuven, Belgium
| | - Gábor Vörös
- Department of Cardiovascular Diseases, University Hospitals Leuven, Leuven, Belgium
- Department of Cardiovascular Sciences, KU Leuven, Leuven, Belgium
| | - Jens-Uwe Voigt
- Department of Cardiovascular Diseases, University Hospitals Leuven, Leuven, Belgium
- Department of Cardiovascular Sciences, KU Leuven, Leuven, Belgium
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Vereckei A. New Pacing Techniques and Non-Invasive Methods That May Improve Response to Cardiac Resynchronization Therapy. J Cardiovasc Dev Dis 2024; 11:208. [PMID: 39057628 PMCID: PMC11277212 DOI: 10.3390/jcdd11070208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2024] [Revised: 06/22/2024] [Accepted: 06/27/2024] [Indexed: 07/28/2024] Open
Abstract
Although cardiac resynchronization therapy (CRT) is an evidence-based effective therapy of symptomatic heart failure with reduced ejection fraction (HFrEF), refractory to optimal medical treatment and associated with intraventricular conduction disturbance, the non-response rate to CRT is still around 30% [...].
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Affiliation(s)
- András Vereckei
- Department of Medicine and Hematology, Semmelweis University, Szentkirályi u. 46, 1088 Budapest, Hungary
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3
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Atabekov TA, Mishkina AI, Khlynin MS, Sazonova SI, Krivolapov SN, Batalov RE, Popov SV. A predictive model of super response to cardiac resynchronization therapy in short-term period. J Interv Card Electrophysiol 2024:10.1007/s10840-024-01844-5. [PMID: 38896192 DOI: 10.1007/s10840-024-01844-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 05/29/2024] [Indexed: 06/21/2024]
Abstract
BACKGROUND The left bundle branch block, nonischemic heart failure (HF) and female gender are the most powerful predictors of a super response to cardiac resynchronization therapy (CRT). It is important to identify super responders who can derive most benefits from CRT. We aimed to establish a predicting model that could be used for prognosis of a super response to CRT in short-term period. METHODS Patients with QRS ≥ 130 ms, New York Heart Association (NYHA) II-III class of HF, left ventricle ejection fraction (LVEF) ≤ 35% and indications for CRT were included in the study. Before and 6 month after CRT the electrocardiography, echocardiography and cardiac scintigraphy were performed. The study's primary endpoint was the NYHA class improvement ≥ 1 and left ventricle end systolic volume decrease > 30% or LVEF improvement > 15% after 6 month CRT. Based on collected data, we developed a predictive model regarding a super response to CRT. RESULTS Of 49 (100.0%) patients, 32 (65.3%) had a super response to CRT. Patients with a super response were likelier to have a lower cardiac index (p = 0.007), higher rates of interventricular delay (IVD) (p = 0.003), phase standard deviation of left ventricle anterior wall (PSD LVAW) (p = 0.009) and ∆QRS (p = 0.02). Only IVD and PSD LVAW were independently associated with a super response to CRT in univariate and multivariate logistic regression. We created a logistic equation and calculated a cut-off value. The resulting ROC curve revealed a discriminative ability with AUC of 0.812 (sensitivity 90.62%; specificity 70.59%). CONCLUSION Our predictive model is able to distinguish patients with a super response to CRT.
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Affiliation(s)
- Tariel A Atabekov
- Department of Surgical Arrhythmology and Cardiac Pacing, Cardiology Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Kievskaya Street, 111a, Tomsk, Russian Federation.
| | - Anna I Mishkina
- Department of Surgical Arrhythmology and Cardiac Pacing, Cardiology Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Kievskaya Street, 111a, Tomsk, Russian Federation
| | - Mikhail S Khlynin
- Department of Surgical Arrhythmology and Cardiac Pacing, Cardiology Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Kievskaya Street, 111a, Tomsk, Russian Federation
| | - Svetlana I Sazonova
- Department of Surgical Arrhythmology and Cardiac Pacing, Cardiology Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Kievskaya Street, 111a, Tomsk, Russian Federation
| | - Sergey N Krivolapov
- Department of Surgical Arrhythmology and Cardiac Pacing, Cardiology Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Kievskaya Street, 111a, Tomsk, Russian Federation
| | - Roman E Batalov
- Department of Surgical Arrhythmology and Cardiac Pacing, Cardiology Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Kievskaya Street, 111a, Tomsk, Russian Federation
| | - Sergey V Popov
- Department of Surgical Arrhythmology and Cardiac Pacing, Cardiology Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Kievskaya Street, 111a, Tomsk, Russian Federation
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4
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van der Lingen ALCJ, Verstraelen TE, van Erven L, Meeder JG, Theuns DA, Vernooy K, Wilde AAM, Maass AH, Allaart CP. Assessment of ICD eligibility in non-ischaemic cardiomyopathy patients: a position statement by the Task Force of the Dutch Society of Cardiology. Neth Heart J 2024; 32:190-197. [PMID: 38634993 DOI: 10.1007/s12471-024-01859-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/30/2024] [Indexed: 04/19/2024] Open
Abstract
International guidelines recommend implantation of an implantable cardioverter-defibrillator (ICD) in non-ischaemic cardiomyopathy (NICM) patients with a left ventricular ejection fraction (LVEF) below 35% despite optimal medical therapy and a life expectancy of more than 1 year with good functional status. We propose refinement of these recommendations in patients with NICM, with careful consideration of additional risk parameters for both arrhythmic and non-arrhythmic death. These additional parameters include late gadolinium enhancement on cardiac magnetic resonance imaging and genetic testing for high-risk genetic variants to further assess arrhythmic risk, and age, comorbidities and sex for assessment of non-arrhythmic mortality risk. Moreover, several risk modifiers should be taken into account, such as concomitant arrhythmias that may affect LVEF (atrial fibrillation, premature ventricular beats) and resynchronisation therapy. Even though currently no valid cut-off values have been established, the proposed approach provides a more careful consideration of risks that may result in withholding ICD implantation in patients with low arrhythmic risk and substantial non-arrhythmic mortality risk.
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Affiliation(s)
- Anne-Lotte C J van der Lingen
- Department of Cardiology, Amsterdam UMC, Amsterdam Cardiovascular Sciences, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Tom E Verstraelen
- Department of Cardiology, Heart Centre, Amsterdam UMC, location AMC, Amsterdam, The Netherlands
| | - Lieselot van Erven
- Department of Cardiology, Leiden University Medical Centre, Leiden, The Netherlands
| | - Joan G Meeder
- Department of Cardiology, VieCuri Medical Centre Noord-Limburg, Venlo, The Netherlands
| | - Dominic A Theuns
- Department of Cardiology, Erasmus University Medical Centre, Rotterdam, The Netherlands
| | - Kevin Vernooy
- Department of Cardiology, Cardiovascular Research Institute Maastricht, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - Arthur A M Wilde
- Department of Cardiology, Heart Centre, Amsterdam UMC, location AMC, Amsterdam, The Netherlands
| | - Alexander H Maass
- Department of Cardiology, University Medical Centre Groningen, Heart Centre, University of Groningen, Groningen, The Netherlands
| | - Cornelis P Allaart
- Department of Cardiology, Amsterdam UMC, Amsterdam Cardiovascular Sciences, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.
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Catrina BI, Batar F, Manitiu I, Prodan L, Tanasescu C, Filip T. Concepts of Cardiac Dyssynchrony and Dynamic Approach. Diagnostics (Basel) 2024; 14:937. [PMID: 38732350 PMCID: PMC11083078 DOI: 10.3390/diagnostics14090937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 04/12/2024] [Accepted: 04/24/2024] [Indexed: 05/13/2024] Open
Abstract
Cardiac conduction involves electrical activity from one myocyte to another, creating coordinated contractions in each. Disruptions in the conducting system, such as left bundle branch block (LBBB), can result in premature activation of specific regions of the heart, leading to heart failure and increased morbidity and mortality. Structural alterations in T-tubules and the sarcoplasmic reticulum can lead to dyssynchrony, a condition that can be treated by cardiac resynchronization therapy (CRT), which stands as a cornerstone in this pathology. The heterogeneity in patient responses underscored the necessity of improving the diagnostic approach. Vectocardiography, ultra-high-frequency ECG, 3D echocardiography, and electrocardiographic imaging seem to offer advanced precision in identifying optimal candidates for CRT in addition to the classic diagnostic methods. The advent of His bundle pacing and left bundle branch pacing further refined the approach in the treatment of dyssynchrony, offering more physiological pacing modalities that promise enhanced outcomes by maintaining or restoring the natural sequence of ventricular activation. HOT-CRT emerges as a pivotal innovation combining the benefits of CRT with the precision of His bundle or left bundle branch area pacing to optimize cardiac function in a subset of patients where traditional CRT might fall short.
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Affiliation(s)
- Bianca Iulia Catrina
- County Clinical Emergency Hospital of Sibiu, 550245 Sibiu, Romania; (F.B.); (I.M.); (C.T.); (T.F.)
- Pathophysiology Department, Faculty of Medicine, Lucian Blaga University of Sibiu, 550169 Sibiu, Romania
| | - Florina Batar
- County Clinical Emergency Hospital of Sibiu, 550245 Sibiu, Romania; (F.B.); (I.M.); (C.T.); (T.F.)
- Physiology Pathophysiology Department, Faculty of Medicine, Lucian Blaga University of Sibiu, 550169 Sibiu, Romania
| | - Ioan Manitiu
- County Clinical Emergency Hospital of Sibiu, 550245 Sibiu, Romania; (F.B.); (I.M.); (C.T.); (T.F.)
- Cardiology Department, Faculty of Medicine, Lucian Blaga University of Sibiu, 550169 Sibiu, Romania
| | - Liliana Prodan
- County Clinical Emergency Hospital of Sibiu, 550245 Sibiu, Romania; (F.B.); (I.M.); (C.T.); (T.F.)
- Pathophysiology Department, Faculty of Medicine, Lucian Blaga University of Sibiu, 550169 Sibiu, Romania
| | - Ciprian Tanasescu
- County Clinical Emergency Hospital of Sibiu, 550245 Sibiu, Romania; (F.B.); (I.M.); (C.T.); (T.F.)
- Clinical Surgical Department, Faculty of Medicine, Lucian Blaga University of Sibiu, 550169 Sibiu, Romania
| | - Teodora Filip
- County Clinical Emergency Hospital of Sibiu, 550245 Sibiu, Romania; (F.B.); (I.M.); (C.T.); (T.F.)
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6
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Kodama N, Nakagawa M, Ishii Y, Yufu K, Yamauchi S, Yamamoto E, Miyoshi M, Abe I, Kondo H, Fukui A, Satoh H, Akiyoshi K, Fukuda T, Shinohara T, Teshima Y, Takahashi N. R-R' interval in the left bundle branch block predicts long-term outcomes after cardiac resynchronization therapy by estimating greater mechanical dyssynchrony and viable myocardium. Heart Rhythm 2024; 21:436-444. [PMID: 38154602 DOI: 10.1016/j.hrthm.2023.12.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 12/20/2023] [Accepted: 12/20/2023] [Indexed: 12/30/2023]
Abstract
BACKGROUND Typical left bundle branch block (LBBB) shows 2 peaks of the R wave, which reflect activation reaching the interventricular septum (R) and posterolateral wall (R') sequentially. OBJECTIVE The purpose of this study was to investigate the relationship among R-R' interval (RR'), mechanical dyssynchrony, extent of viable myocardium, and long-term outcomes in cardiac resynchronization therapy (CRT) candidates. METHODS The study enrolled 49 patients (34 men; mean age: 69 ± 11 years) with LBBB who received CRT. The LBBB definition used requires the presence of mid-QRS notching in leads V1, V2, V5, V6, I, and aVL. Baseline evaluations were QRS duration (QRSd) and RR' measured from the 12-lead electrocardiogram; eyeball dyssynchrony (apical rocking and septal flash) and opposing-wall delay by speckle tracking from echocardiography, and extent of viable myocardium assessed by thallium-201 single-photon emission computed tomography. Primary outcomes included the combination of all-cause death and heart failure-related hospitalization. RESULTS RR' predicted volumetric response better than QRSd (area under the curve 0.73 vs 0.67, respectively). The long RR' group (≥48 ms) revealed more frequent eyeball dyssynchrony and significantly greater radial (SL) and circumferential dyssynchrony (AP and SL) and %viable segment than the short RR' group. In multivariate regression analysis, only RR' ≥48 ms was independently associated with higher event-free survival rates following CRT (hazard ratio 0.21; P = .014). CONCLUSION These findings suggest that RR' in complete LBBB was associated with mechanical dyssynchrony, extent of viable myocardium, and long-term outcomes following CRT.
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Affiliation(s)
- Nozomi Kodama
- Department of Cardiology and Clinical Examination and Diagnosis, Faculty of Medicine, Oita University, Oita, Japan
| | - Mikiko Nakagawa
- Department of Cardiology and Clinical Examination and Diagnosis, Faculty of Medicine, Oita University, Oita, Japan.
| | - Yumi Ishii
- Department of Cardiology and Clinical Examination and Diagnosis, Faculty of Medicine, Oita University, Oita, Japan
| | - Kunio Yufu
- Department of Cardiology and Clinical Examination and Diagnosis, Faculty of Medicine, Oita University, Oita, Japan
| | - Syuichiro Yamauchi
- Department of Cardiology and Clinical Examination and Diagnosis, Faculty of Medicine, Oita University, Oita, Japan
| | - Ena Yamamoto
- Department of Cardiology and Clinical Examination and Diagnosis, Faculty of Medicine, Oita University, Oita, Japan
| | - Miho Miyoshi
- Department of Cardiology and Clinical Examination and Diagnosis, Faculty of Medicine, Oita University, Oita, Japan
| | - Ichitaro Abe
- Department of Cardiology and Clinical Examination and Diagnosis, Faculty of Medicine, Oita University, Oita, Japan
| | - Hidekazu Kondo
- Department of Cardiology and Clinical Examination and Diagnosis, Faculty of Medicine, Oita University, Oita, Japan
| | - Akira Fukui
- Department of Cardiology and Clinical Examination and Diagnosis, Faculty of Medicine, Oita University, Oita, Japan
| | - Hideki Satoh
- Department of Cardiology and Clinical Examination and Diagnosis, Faculty of Medicine, Oita University, Oita, Japan
| | - Kumiko Akiyoshi
- Department of Cardiology and Clinical Examination and Diagnosis, Faculty of Medicine, Oita University, Oita, Japan
| | - Tomoko Fukuda
- Department of Cardiology and Clinical Examination and Diagnosis, Faculty of Medicine, Oita University, Oita, Japan
| | - Tetsuji Shinohara
- Department of Cardiology and Clinical Examination and Diagnosis, Faculty of Medicine, Oita University, Oita, Japan
| | - Yasushi Teshima
- Department of Cardiology and Clinical Examination and Diagnosis, Faculty of Medicine, Oita University, Oita, Japan
| | - Naohiko Takahashi
- Department of Cardiology and Clinical Examination and Diagnosis, Faculty of Medicine, Oita University, Oita, Japan
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7
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Dutta A, Alqabbani RRM, Hagendorff A, Tayal B. Understanding the Application of Mechanical Dyssynchrony in Patients with Heart Failure Considered for CRT. J Cardiovasc Dev Dis 2024; 11:64. [PMID: 38392278 PMCID: PMC10888548 DOI: 10.3390/jcdd11020064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 01/16/2024] [Accepted: 01/23/2024] [Indexed: 02/24/2024] Open
Abstract
Over the past two decades of CRT use, the failure rate has remained around 30-35%, despite several updates in the guidelines based on the understanding from multiple trials. This review article summarizes the role of mechanical dyssynchrony in the selection of heart failure patients for cardiac resynchronization therapy. Understanding the application of mechanical dyssynchrony has also evolved during these past two decades. There is no role of lone mechanical dyssynchrony in the patient selection for CRT. However, mechanical dyssynchrony can complement the electrocardiogram and clinical criteria and improve patient selection by reducing the failure rate. An oversimplified approach to mechanical dyssynchrony assessment, such as just estimating time-to-peak delays between segments, should not be used. Instead, methods that can identify the underlying pathophysiology of HF and are representative of a substrate to CRT should be applied.
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Affiliation(s)
- Abhishek Dutta
- Department of Cardiology, Nazareth Hospital, Philadelphia, PA 19020, USA
| | - Rakan Radwan M Alqabbani
- Department of Internal Medicine, University Hospitals Cleveland Medical Center, Cleveland, OH 44106, USA
| | - Andreas Hagendorff
- Department of Cardiology, Leipzig University Hospital, 04103 Leipzig, Germany
| | - Bhupendar Tayal
- Harrington and Heart and Vascular Center, University Hospitals Cleveland Medical Center, Cleveland, OH 44106, USA
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8
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Abu-Alrub S, Strik M, Huntjens P, Haïssaguerre M, Eschalier R, Bordachar P, Ploux S. Current Role of Electrocardiographic Imaging in Patient Selection for Cardiac Resynchronization Therapy. J Cardiovasc Dev Dis 2024; 11:24. [PMID: 38248894 PMCID: PMC10816019 DOI: 10.3390/jcdd11010024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 01/08/2024] [Accepted: 01/12/2024] [Indexed: 01/23/2024] Open
Abstract
Cardiac resynchronization therapy (CRT) is a recognized therapy for heart failure with altered ejection fraction and abnormal left ventricular activation time. Since the introduction of the therapy, a 30% rate of non-responders is observed and unchanged. The 12-lead ECG remains the only recommended tool for patient selection to CRT. The 12-lead ECG is, however, limited in its inability to provide a precise pattern of regional electrical activity. Electrocardiographic imaging (ECGi) provides a non-invasive detailed mapping of cardiac activation and therefore appears as a promising tool for CRT candidates. The non-invasive ventricular activation maps acquired by ECGi have been primarily explored for the diagnosis and guidance of therapy in patients with atrial or ventricular tachyarrhythmia. However, the accuracy of the system in this field is lacking and needs further improvement before considering a clinical application. On the other hand, its use for patient selection for CRT is encouraging. In this review, we introduce the technical considerations and we describe how ECGi can precisely characterize ventricular activation, especially in patients with left bundle branch block, thus identifying the electrical substrate responsive to CRT.
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Affiliation(s)
- Saer Abu-Alrub
- Cardiology Department, Centre Hospitalier Universitaire Clermont-Ferrand, 63000 Clermont-Ferrand, France;
| | - Marc Strik
- Cardio-Thoracic Unit, Bordeaux University Hospital (Centre Hospitalier Universitaire), 33600 Pessac-Bordeaux, France; (M.S.); (S.P.); (P.B.); (M.H.)
- IHU Liryc, Electrophysiology and Heart Modeling Institute, Fondation Bordeaux Université, F-33600 Pessac-Bordeaux, France
| | - Peter Huntjens
- Division of Cardiology, Washington University in St. Louis, St. Louis, MO 63110, USA;
| | - Michel Haïssaguerre
- Cardio-Thoracic Unit, Bordeaux University Hospital (Centre Hospitalier Universitaire), 33600 Pessac-Bordeaux, France; (M.S.); (S.P.); (P.B.); (M.H.)
- IHU Liryc, Electrophysiology and Heart Modeling Institute, Fondation Bordeaux Université, F-33600 Pessac-Bordeaux, France
| | - Romain Eschalier
- Cardiology Department, Centre Hospitalier Universitaire Clermont-Ferrand, 63000 Clermont-Ferrand, France;
| | - Pierre Bordachar
- Cardio-Thoracic Unit, Bordeaux University Hospital (Centre Hospitalier Universitaire), 33600 Pessac-Bordeaux, France; (M.S.); (S.P.); (P.B.); (M.H.)
- IHU Liryc, Electrophysiology and Heart Modeling Institute, Fondation Bordeaux Université, F-33600 Pessac-Bordeaux, France
| | - Sylvain Ploux
- Cardio-Thoracic Unit, Bordeaux University Hospital (Centre Hospitalier Universitaire), 33600 Pessac-Bordeaux, France; (M.S.); (S.P.); (P.B.); (M.H.)
- IHU Liryc, Electrophysiology and Heart Modeling Institute, Fondation Bordeaux Université, F-33600 Pessac-Bordeaux, France
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Eerenberg F, Luermans J, Lumens J, Nguyên UC, Vernooy K, van Stipdonk A. Exploring QRS Area beyond Patient Selection in CRT-Can It Guide Left Ventricular Lead Placement? J Cardiovasc Dev Dis 2024; 11:18. [PMID: 38248888 PMCID: PMC10816025 DOI: 10.3390/jcdd11010018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 01/04/2024] [Accepted: 01/04/2024] [Indexed: 01/23/2024] Open
Abstract
Vectorcardiographic QRS area is a promising tool for patient selection and implantation guidance in cardiac resynchronization therapy (CRT). Research has mainly focused on the role of QRS area in patient selection for CRT. Recently, QRS area has been proposed as a tool to guide left ventricular lead placement in CRT. Theoretically, vector-based electrical information of ventricular fusion pacing, calculated from the basic 12-lead ECG, can give real-time insight into the extent of resynchronization at any LV lead position, as well as any selected electrode on the LV lead. The objective of this review is to provide an overview of the background of vectorcardiographic QRS area and its potential in optimizing LV lead location in order to optimize the benefits of CRT.
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Affiliation(s)
- Frederieke Eerenberg
- Department of Cardiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Center+, 6229 ER Maastricht, The Netherlands; (J.L.); (U.C.N.); (K.V.); (A.v.S.)
| | - Justin Luermans
- Department of Cardiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Center+, 6229 ER Maastricht, The Netherlands; (J.L.); (U.C.N.); (K.V.); (A.v.S.)
| | - Joost Lumens
- Cardiovascular Research Institute Maastricht (CARIM), University Maastricht (UM), 6229 ER Maastricht, The Netherlands;
| | - Uyên Châu Nguyên
- Department of Cardiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Center+, 6229 ER Maastricht, The Netherlands; (J.L.); (U.C.N.); (K.V.); (A.v.S.)
| | - Kevin Vernooy
- Department of Cardiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Center+, 6229 ER Maastricht, The Netherlands; (J.L.); (U.C.N.); (K.V.); (A.v.S.)
| | - Antonius van Stipdonk
- Department of Cardiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Center+, 6229 ER Maastricht, The Netherlands; (J.L.); (U.C.N.); (K.V.); (A.v.S.)
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10
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Kosztin A, Maass A, Diemberger I. Editorial: Response to cardiac resynchronization therapy. Front Cardiovasc Med 2024; 10:1297343. [PMID: 38250031 PMCID: PMC10797118 DOI: 10.3389/fcvm.2023.1297343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 10/12/2023] [Indexed: 01/23/2024] Open
Affiliation(s)
- Annamaria Kosztin
- Department of Cardiology, Heart and Vascular Center, Semmelweis Univeristy, Budapest, Hungary
| | - Alexander Maass
- Department of Cardiology, University Medical Center Groningen, University of Groningen, Groningen, Netherland
| | - Igor Diemberger
- Institute of Cardiology, Department of Medical and Surgical Sciences, University of Bologna, Policlinico S.Orsola-Malpighi, Bologna, Italy
- UOC di Cardiologia, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Dipartimento Cardio-toraco-vascolare, Bologna, Italy
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Larsen CK, Smiseth OA, Duchenne J, Galli E, Aalen JM, Lederlin M, Bogaert J, Kongsgaard E, Linde C, Penicka M, Donal E, Voigt JU, Hopp E. Cardiac Magnetic Resonance Identifies Responders to Cardiac Resynchronization Therapy with an Assessment of Septal Scar and Left Ventricular Dyssynchrony. J Clin Med 2023; 12:7182. [PMID: 38002795 PMCID: PMC10672328 DOI: 10.3390/jcm12227182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 11/15/2023] [Accepted: 11/18/2023] [Indexed: 11/26/2023] Open
Abstract
Background: The response to cardiac resynchronization therapy (CRT) depends on septal viability and correction of abnormal septal motion. This study investigates if cardiac magnetic resonance (CMR) as a single modality can identify CRT responders with combined imaging of pathological septal motion (septal flash) and septal scar. Methods: In a prospective, multicenter, observational study of 136 CRT recipients, septal scar was assessed using late gadolinium enhancement (LGE) (n = 127) and septal flash visually from cine CMR sequences. The primary endpoint was CRT response, defined as ≥15% reduction in LV end-systolic volume with echocardiography after 6 months. The secondary endpoint was heart transplantation or death of any cause assessed after 39 ± 13 months. Results: Septal scar and septal flash were independent predictors of CRT response in multivariable analysis (both p < 0.001), while QRS duration and morphology were not. The combined approach of septal scar and septal flash predicted CRT response with an area under the curve of 0.86 (95% confidence interval (CI): 0.78-0.94) and was a strong predictor of long-term survival without heart transplantation (hazard ratio 0.27, 95% CI: 0.10-0.79). The accuracy of the approach was similar in the subgroup with intermediate (130-150 ms) QRS duration. The combined approach was superior to septal scar and septal flash alone (p < 0.01). Conclusions: The combined assessment of septal scar and septal flash using CMR as a single-image modality identifies CRT responders with high accuracy and predicts long-term survival.
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Affiliation(s)
- Camilla Kjellstad Larsen
- Institute for Surgical Research and Department of Cardiology, Oslo University Hospital, 0027 Oslo, Norway; (C.K.L.); (O.A.S.); (J.M.A.)
- Institute of Clinical Medicine, University of Oslo, 0316 Oslo, Norway
| | - Otto A. Smiseth
- Institute for Surgical Research and Department of Cardiology, Oslo University Hospital, 0027 Oslo, Norway; (C.K.L.); (O.A.S.); (J.M.A.)
- Institute of Clinical Medicine, University of Oslo, 0316 Oslo, Norway
| | - Jürgen Duchenne
- Department of Cardiovascular Diseases, University Hospitals Leuven, 3000 Leuven, Belgium (J.-U.V.)
- Department of Cardiovascular Sciences, KU Leuven—University of Leuven, 3000 Leuven, Belgium
| | - Elena Galli
- Department of Cardiology, University Hospital of Rennes, 35000 Rennes, France; (E.G.); (E.D.)
| | - John Moene Aalen
- Institute for Surgical Research and Department of Cardiology, Oslo University Hospital, 0027 Oslo, Norway; (C.K.L.); (O.A.S.); (J.M.A.)
- Institute of Clinical Medicine, University of Oslo, 0316 Oslo, Norway
| | - Mathieu Lederlin
- Department of Radiology, University Hospital of Rennes, 35000 Rennes, France;
| | - Jan Bogaert
- Department of Radiology, University Hospitals Leuven, 3000 Leuven, Belgium;
| | - Erik Kongsgaard
- Department of Cardiology, Oslo University Hospital, 0027 Oslo, Norway;
| | - Cecilia Linde
- Department of Cardiology, Karolinska University Hospital, 171 64 Solna, Sweden;
| | | | - Erwan Donal
- Department of Cardiology, University Hospital of Rennes, 35000 Rennes, France; (E.G.); (E.D.)
| | - Jens-Uwe Voigt
- Department of Cardiovascular Diseases, University Hospitals Leuven, 3000 Leuven, Belgium (J.-U.V.)
- Department of Cardiovascular Sciences, KU Leuven—University of Leuven, 3000 Leuven, Belgium
| | - Einar Hopp
- Division of Radiology and Nuclear Medicine, Oslo University Hospital, 0027 Oslo, Norway
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12
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Simon A, Pilecky D, Kiss LZ, Vamos M. Useful Electrocardiographic Signs to Support the Prediction of Favorable Response to Cardiac Resynchronization Therapy. J Cardiovasc Dev Dis 2023; 10:425. [PMID: 37887872 PMCID: PMC10607456 DOI: 10.3390/jcdd10100425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 10/12/2023] [Accepted: 10/12/2023] [Indexed: 10/28/2023] Open
Abstract
Cardiac resynchronization therapy (CRT) is a cornerstone therapeutic opportunity for selected patients with heart failure. For optimal patient selection, no other method has been proven to be more effective than the 12-lead ECG, and hence ECG characteristics are extensively researched. The evaluation of particular ECG signs before the implantation may improve selection and, consequently, clinical outcomes. The definition of a true left bundle branch block (LBBB) seems to be the best starting point with which to select patients for CRT. Although there are no universally accepted definitions of LBBB, using the classical LBBB criteria, some ECG parameters are associated with CRT response. In patients with non-true LBBB or non-LBBB, further ECG predictors of response and non-response could be analyzed, such as QRS fractionation, signs of residual left bundle branch conduction, S-waves in V6, intrinsicoid deflection, or non-invasive estimates of Q-LV which are described in newer publications. The most important and recent study results of the topic are summarized and discussed in this current review.
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Affiliation(s)
- Andras Simon
- Department of Cardiology, Szent Imre University Teaching Hospital, 1115 Budapest, Hungary;
| | - David Pilecky
- Gottsegen National Cardiovascular Center, 1096 Budapest, Hungary;
- Doctoral School of Clinical Medicine, University of Szeged, 6725 Szeged, Hungary
| | | | - Mate Vamos
- Cardiac Electrophysiology Division, Department of Internal Medicine, University of Szeged, 6725 Szeged, Hungary
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13
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Duchenne J, Larsen CK, Cvijic M, Galli E, Aalen JM, Klop B, Mirea O, Puvrez A, Bézy S, Wouters L, Minten L, Sirnes PA, Khan FH, Voros G, Willems R, Penicka M, Kongsgård E, Hopp E, Bogaert J, Smiseth OA, Donal E, Voigt JU. Mechanical Dyssynchrony Combined with Septal Scarring Reliably Identifies Responders to Cardiac Resynchronization Therapy. J Clin Med 2023; 12:6108. [PMID: 37763048 PMCID: PMC10531814 DOI: 10.3390/jcm12186108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 09/13/2023] [Accepted: 09/20/2023] [Indexed: 09/29/2023] Open
Abstract
Background and aim: The presence of mechanical dyssynchrony on echocardiography is associated with reverse remodelling and decreased mortality after cardiac resynchronization therapy (CRT). Contrarily, myocardial scar reduces the effect of CRT. This study investigated how well a combined assessment of different markers of mechanical dyssynchrony and scarring identifies CRT responders. Methods: In a prospective multicentre study of 170 CRT recipients, septal flash (SF), apical rocking (ApRock), systolic stretch index (SSI), and lateral-to-septal (LW-S) work differences were assessed using echocardiography. Myocardial scarring was quantified using cardiac magnetic resonance imaging (CMR) or excluded based on a coronary angiogram and clinical history. The primary endpoint was a CRT response, defined as a ≥15% reduction in LV end-systolic volume 12 months after implantation. The secondary endpoint was time-to-death. Results: The combined assessment of mechanical dyssynchrony and septal scarring showed AUCs ranging between 0.81 (95%CI: 0.74-0.88) and 0.86 (95%CI: 0.79-0.91) for predicting a CRT response, without significant differences between the markers, but significantly higher than mechanical dyssynchrony alone. QRS morphology, QRS duration, and LV ejection fraction were not superior in their prediction. Predictive power was similar in the subgroups of patients with ischemic cardiomyopathy. The combined assessments significantly predicted all-cause mortality at 44 ± 13 months after CRT with a hazard ratio ranging from 0.28 (95%CI: 0.12-0.67) to 0.20 (95%CI: 0.08-0.49). Conclusions: The combined assessment of mechanical dyssynchrony and septal scarring identified CRT responders with high predictive power. Both visual and quantitative markers were highly feasible and demonstrated similar results. This work demonstrates the value of imaging LV mechanics and scarring in CRT candidates, which can already be achieved in a clinical routine.
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Affiliation(s)
- Jürgen Duchenne
- Department of Cardiovascular Sciences, KU Leuven, 3000 Leuven, Belgium (L.M.)
- Department of Cardiovascular Diseases, University Hospitals Leuven, 3000 Leuven, Belgium
| | - Camilla K. Larsen
- Institute for Surgical Research, Oslo University Hospital and University of Oslo, 0450 Oslo, Norway
- Institute of Clinical Medicine, University of Oslo, 0313 Oslo, Norway
- Department of Cardiology, Oslo University Hospital, 0379 Oslo, Norway
| | - Marta Cvijic
- Department of Cardiovascular Sciences, KU Leuven, 3000 Leuven, Belgium (L.M.)
- Department of Cardiovascular Diseases, University Hospitals Leuven, 3000 Leuven, Belgium
| | - Elena Galli
- Inserm, LTSI-UMR, 1099, 35042 Rennes, France; (E.G.)
- Department of Cardiology, CHU Rennes, 35033 Rennes, France
| | - John M. Aalen
- Institute for Surgical Research, Oslo University Hospital and University of Oslo, 0450 Oslo, Norway
- Institute of Clinical Medicine, University of Oslo, 0313 Oslo, Norway
- Department of Cardiology, Oslo University Hospital, 0379 Oslo, Norway
| | - Boudewijn Klop
- Department of Cardiovascular Sciences, KU Leuven, 3000 Leuven, Belgium (L.M.)
- Department of Cardiovascular Diseases, University Hospitals Leuven, 3000 Leuven, Belgium
| | - Oana Mirea
- Department of Cardiovascular Sciences, KU Leuven, 3000 Leuven, Belgium (L.M.)
- Department of Cardiovascular Diseases, University Hospitals Leuven, 3000 Leuven, Belgium
- Department of Cardiology, University of Medicine and Pharmacy, 200349 Craiova, Romania
| | - Alexis Puvrez
- Department of Cardiovascular Sciences, KU Leuven, 3000 Leuven, Belgium (L.M.)
- Department of Cardiovascular Diseases, University Hospitals Leuven, 3000 Leuven, Belgium
| | - Stéphanie Bézy
- Department of Cardiovascular Sciences, KU Leuven, 3000 Leuven, Belgium (L.M.)
- Department of Cardiovascular Diseases, University Hospitals Leuven, 3000 Leuven, Belgium
| | - Laurine Wouters
- Department of Cardiovascular Sciences, KU Leuven, 3000 Leuven, Belgium (L.M.)
- Department of Cardiovascular Diseases, University Hospitals Leuven, 3000 Leuven, Belgium
| | - Lennert Minten
- Department of Cardiovascular Sciences, KU Leuven, 3000 Leuven, Belgium (L.M.)
- Department of Cardiovascular Diseases, University Hospitals Leuven, 3000 Leuven, Belgium
| | - Per A. Sirnes
- Institute for Surgical Research, Oslo University Hospital and University of Oslo, 0450 Oslo, Norway
- Institute of Clinical Medicine, University of Oslo, 0313 Oslo, Norway
- Department of Cardiology, Oslo University Hospital, 0379 Oslo, Norway
| | - Faraz H. Khan
- Institute for Surgical Research, Oslo University Hospital and University of Oslo, 0450 Oslo, Norway
- Institute of Clinical Medicine, University of Oslo, 0313 Oslo, Norway
- Department of Cardiology, Oslo University Hospital, 0379 Oslo, Norway
| | - Gabor Voros
- Department of Cardiovascular Sciences, KU Leuven, 3000 Leuven, Belgium (L.M.)
- Department of Cardiovascular Diseases, University Hospitals Leuven, 3000 Leuven, Belgium
| | - Rik Willems
- Department of Cardiovascular Sciences, KU Leuven, 3000 Leuven, Belgium (L.M.)
- Department of Cardiovascular Diseases, University Hospitals Leuven, 3000 Leuven, Belgium
| | - Martin Penicka
- Cardiovascular Center Aalst, OLV Clinic, 9300 Aalst, Belgium
| | - Erik Kongsgård
- Institute for Surgical Research, Oslo University Hospital and University of Oslo, 0450 Oslo, Norway
- Institute of Clinical Medicine, University of Oslo, 0313 Oslo, Norway
- Department of Cardiology, Oslo University Hospital, 0379 Oslo, Norway
| | - Einar Hopp
- Division of Radiology and Nuclear Medicine, Oslo University Hospital, 0379 Oslo, Norway
| | - Jan Bogaert
- Department of Imaging and Pathology, KU Leuven, 3000 Leuven, Belgium
- Department of Radiology, University Hospitals Leuven, 3000 Leuven, Belgium
| | - Otto A. Smiseth
- Institute for Surgical Research, Oslo University Hospital and University of Oslo, 0450 Oslo, Norway
- Institute of Clinical Medicine, University of Oslo, 0313 Oslo, Norway
- Department of Cardiology, Oslo University Hospital, 0379 Oslo, Norway
| | - Erwan Donal
- Inserm, LTSI-UMR, 1099, 35042 Rennes, France; (E.G.)
- Department of Cardiology, CHU Rennes, 35033 Rennes, France
| | - Jens-Uwe Voigt
- Department of Cardiovascular Sciences, KU Leuven, 3000 Leuven, Belgium (L.M.)
- Department of Cardiovascular Diseases, University Hospitals Leuven, 3000 Leuven, Belgium
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14
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Maass AH, Daniëls F, Roseboom E, Vernooy K, Rienstra M. Special Issue: Latest Advances in Delivery and Outcomes of Cardiac Resynchronization Therapy and Conduction System Pacing. J Clin Med 2023; 12:jcm12103453. [PMID: 37240559 DOI: 10.3390/jcm12103453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Accepted: 05/07/2023] [Indexed: 05/28/2023] Open
Abstract
Cardiac Resynchronization Therapy (CRT) is an established technique to improve morbidity and mortality in selected heart failure patients [...].
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Affiliation(s)
- Alexander H Maass
- Department of Cardiology, University Medical Center Groningen, University of Groningen, 9700 RB Groningen, The Netherlands
| | - Fenna Daniëls
- Department of Cardiology, University Medical Center Groningen, University of Groningen, 9700 RB Groningen, The Netherlands
- Department of Cardiology, Isala Hospital, 8000 GK Zwolle, The Netherlands
| | - Eva Roseboom
- Department of Cardiology, University Medical Center Groningen, University of Groningen, 9700 RB Groningen, The Netherlands
| | - Kevin Vernooy
- Department of Cardiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Center, 6202 AZ Maastricht, The Netherlands
| | - Michiel Rienstra
- Department of Cardiology, University Medical Center Groningen, University of Groningen, 9700 RB Groningen, The Netherlands
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15
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Boros AM, Perge P, Merkely B, Széplaki G. Risk scores in cardiac resynchronization therapy-A review of the literature. Front Cardiovasc Med 2023; 9:1048673. [PMID: 36733831 PMCID: PMC9886679 DOI: 10.3389/fcvm.2022.1048673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 12/28/2022] [Indexed: 01/18/2023] Open
Abstract
Cardiac resynchronization therapy (CRT) for selected heart failure (HF) patients improves symptoms and reduces morbidity and mortality; however, the prognosis of HF is still poor. There is an emerging need for tools that might help in optimal patient selection and provide prognostic information for patients and their families. Several risk scores have been created in recent years; although, no literature review is available that would list the possible scores for the clinicians. We identified forty-eight risk scores in CRT and provided the calculation methods and formulas in a ready-to-use format. The reviewed score systems can predict the prognosis of CRT patients; some of them have even provided an online calculation tool. Significant heterogeneity is present between the various risk scores in terms of the variables incorporated and some variables are not yet used in daily clinical practice. The lack of cross-validation of the risk scores limits their routine use and objective selection. As the number of prognostic markers of CRT is overwhelming, further studies might be required to analyze and cross-validate the data.
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Affiliation(s)
| | - Péter Perge
- Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Béla Merkely
- Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Gábor Széplaki
- Heart and Vascular Center, Semmelweis University, Budapest, Hungary,Heart and Vascular Centre, Mater Private Hospital, Dublin, Ireland,Royal College of Surgeons in Ireland, Dublin, Ireland,*Correspondence: Gábor Széplaki,
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16
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2021 ESC Guidelines on cardiac pacing and cardiac resynchronization therapy. Translation of the document prepared by the Czech Society of Cardiology. COR ET VASA 2022. [DOI: 10.33678/cor.2022.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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17
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Glikson M, Nielsen JC, Kronborg MB, Michowitz Y, Auricchio A, Barbash IM, Barrabés JA, Boriani G, Braunschweig F, Brignole M, Burri H, Coats AJ, Deharo JC, Delgado V, Diller GP, Israel CW, Keren A, Knops RE, Kotecha D, Leclercq C, Merkely B, Starck C, Thylén I, Tolosana JM. Grupo de trabajo sobre estimulación cardiaca y terapia de resincronización cardiaca de la Sociedad Europea de Cardiología (ESC). Rev Esp Cardiol 2022. [DOI: 10.1016/j.recesp.2021.10.025] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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18
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Glikson M, Nielsen JC, Kronborg MB, Michowitz Y, Auricchio A, Barbash IM, Barrabés JA, Boriani G, Braunschweig F, Brignole M, Burri H, Coats AJS, Deharo JC, Delgado V, Diller GP, Israel CW, Keren A, Knops RE, Kotecha D, Leclercq C, Merkely B, Starck C, Thylén I, Tolosana JM, Leyva F, Linde C, Abdelhamid M, Aboyans V, Arbelo E, Asteggiano R, Barón-Esquivias G, Bauersachs J, Biffi M, Birgersdotter-Green U, Bongiorni MG, Borger MA, Čelutkienė J, Cikes M, Daubert JC, Drossart I, Ellenbogen K, Elliott PM, Fabritz L, Falk V, Fauchier L, Fernández-Avilés F, Foldager D, Gadler F, De Vinuesa PGG, Gorenek B, Guerra JM, Hermann Haugaa K, Hendriks J, Kahan T, Katus HA, Konradi A, Koskinas KC, Law H, Lewis BS, Linker NJ, Løchen ML, Lumens J, Mascherbauer J, Mullens W, Nagy KV, Prescott E, Raatikainen P, Rakisheva A, Reichlin T, Ricci RP, Shlyakhto E, Sitges M, Sousa-Uva M, Sutton R, Suwalski P, Svendsen JH, Touyz RM, Van Gelder IC, Vernooy K, Waltenberger J, Whinnett Z, Witte KK. 2021 ESC Guidelines on cardiac pacing and cardiac resynchronization therapy. Europace 2022; 24:71-164. [PMID: 34455427 DOI: 10.1093/europace/euab232] [Citation(s) in RCA: 137] [Impact Index Per Article: 68.5] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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19
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Saito Y, Nakai T, Ikeya Y, Kogawa R, Otsuka N, Wakamatsu Y, Kurokawa S, Ohkubo K, Nagashima K, Okumura Y. Prognostic value of the MELD-XI score in patients undergoing cardiac resynchronization therapy. ESC Heart Fail 2022; 9:1080-1089. [PMID: 34983080 PMCID: PMC8934924 DOI: 10.1002/ehf2.13776] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 11/29/2021] [Accepted: 12/02/2021] [Indexed: 12/28/2022] Open
Abstract
Aims Multi‐organ dysfunction was recently reported to be a common condition in patients with heart failure (HF). The Model for End‐stage Liver Disease eXcluding International normalized ratio (MELD‐XI) score reflects liver and kidney function. The prognostic relevance of this score has been reported in patients with a variety of cardiovascular diseases who are undergoing interventional therapies. However, the relationship between the severity of hepatorenal dysfunction assessed by the MELD‐XI score and the long‐term clinical outcomes of HF patients receiving cardiac resynchronization therapy (CRT) has not been evaluated. Methods and results Clinical records of 283 patients who underwent CRT implantation between March 2003 and October 2020 were retrospectively evaluated (mean age 67 ± 12, 22.6% female). Blood samples were collected before CRT implantation. Patients were divided into three groups based on tertiles of the MELD‐XI score: first tertile (MELD‐XI = 9.44, n = 95), second tertile (9.44 < MELD‐XI < 13.4, n = 94), and third tertile (MELD‐XI ≥ 13.4, n = 94). The primary endpoint was all‐cause mortality. Compared with the other groups, the third tertile group exhibited significantly older age, higher prevalence of diabetes mellitus and hypertension, lower haemoglobin level, and higher N‐terminal pro‐brain natriuretic peptide level (all P < 0.05). The functional CRT response rate was also significantly lower in the third tertile group (P = 0.011). During a median follow‐up of 30 months (inter‐quartile range, 9–67), 105 patients (37.1%) died. Kaplan–Meier analysis revealed that patients with a higher MELD‐XI score had a greater risk of all‐cause mortality (log‐rank test: P < 0.001). Even after adjustment for clinically relevant factors and a conventional risk score, the MELD‐XI score was still associated with mortality (adjusted hazard ratio: 1.04, 95% confidence interval: 1.00–1.07, P = 0.014, and adjusted hazard ratio: 1.04, 95% confidence interval: 1.01–1.09, P = 0.005, respectively). A higher MELD‐XI score was associated with a greater risk of all‐cause mortality than a lower MELD‐XI score regardless of whether a pacemaker or defibrillator was implanted (log‐rank test: P = 0.010 and P < 0.001, respectively). Conclusions Impaired hepatorenal function assessed by the MELD‐XI score was associated with older age, higher prevalence of multiple co‐morbidities, severity of HF, lower CRT response rates, and subsequent all‐cause mortality in HF patients undergoing CRT implantation. These results suggest that the MELD‐XI score can provide additional prognostic information and may be useful for improving risk stratification in this population.
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Affiliation(s)
- Yuki Saito
- Division of Cardiology, Department of Medicine, Nihon University School of Medicine, 30-1 Ohyaguchi-kamicho, Itabashi-ku, Tokyo, 173-8610, Japan
| | - Toshiko Nakai
- Division of Cardiology, Department of Medicine, Nihon University School of Medicine, 30-1 Ohyaguchi-kamicho, Itabashi-ku, Tokyo, 173-8610, Japan
| | - Yukitoshi Ikeya
- Division of Cardiology, Department of Medicine, Nihon University School of Medicine, 30-1 Ohyaguchi-kamicho, Itabashi-ku, Tokyo, 173-8610, Japan
| | - Rikitake Kogawa
- Division of Cardiology, Department of Medicine, Nihon University School of Medicine, 30-1 Ohyaguchi-kamicho, Itabashi-ku, Tokyo, 173-8610, Japan
| | - Naoto Otsuka
- Division of Cardiology, Department of Medicine, Nihon University School of Medicine, 30-1 Ohyaguchi-kamicho, Itabashi-ku, Tokyo, 173-8610, Japan
| | - Yuji Wakamatsu
- Division of Cardiology, Department of Medicine, Nihon University School of Medicine, 30-1 Ohyaguchi-kamicho, Itabashi-ku, Tokyo, 173-8610, Japan
| | - Sayaka Kurokawa
- Division of Cardiology, Department of Medicine, Nihon University School of Medicine, 30-1 Ohyaguchi-kamicho, Itabashi-ku, Tokyo, 173-8610, Japan
| | - Kimie Ohkubo
- Division of Cardiology, Department of Medicine, Nihon University School of Medicine, 30-1 Ohyaguchi-kamicho, Itabashi-ku, Tokyo, 173-8610, Japan
| | - Koichi Nagashima
- Division of Cardiology, Department of Medicine, Nihon University School of Medicine, 30-1 Ohyaguchi-kamicho, Itabashi-ku, Tokyo, 173-8610, Japan
| | - Yasuo Okumura
- Division of Cardiology, Department of Medicine, Nihon University School of Medicine, 30-1 Ohyaguchi-kamicho, Itabashi-ku, Tokyo, 173-8610, Japan
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20
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Hong JA, Lee SE, Kim SO, Kim MS, Lee HY, Cho HJ, Choi JO, Jeon ES, Hwang KK, Chae SC, Baek SH, Kang SM, Choi DJ, Yoo BS, Kim KH, Cho MC, Oh BH, Kim JJ. Determinants of left ventricular function improvement for cardiac resynchronization therapy candidates. ESC Heart Fail 2021; 9:283-292. [PMID: 34964278 PMCID: PMC8787974 DOI: 10.1002/ehf2.13765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 09/24/2021] [Accepted: 12/02/2021] [Indexed: 11/11/2022] Open
Abstract
AIMS A waiting period of more than 3 months is recommended for patients before undergoing cardiac resynchronization therapy (CRT). However, due to an anticipated high mortality rate, early implementation of CRT might be beneficial for some patients. We aimed to evaluate the rate and the probability of left ventricular (LV) function improvement and their predictors in patients with heart failure (HF) with indications for CRT. METHODS AND RESULTS From March 2011 to February 2014, a total of 5625 hospitalized patients for acute HF were consecutively enrolled in 10 tertiary hospitals. Among them, we analysed 1792 patients (mean age 63.96 ± 15.42 years, female 63.1%) with left ventricular ejection fraction (LVEF) ≤ 35% at the baseline echocardiography and divided them into three groups: 144 with left bundle branch block (LBBB), 136 with wide QRS complexes without LBBB, and 1512 not having these findings (control). We compared and analysed these three groups for improvement of LV function at follow-up echocardiography. In patients who met CRT indications (patients with LBBB or wide QRS complexes without LBBB), logistic regression was performed to identify risk factors for no improvement of LV. No improvement of LV was defined as LVEF ≤ 35% at follow-up echocardiography or the composite adverse outcomes: death, heart transplantation, extracorporeal membrane oxygenation, or use of a ventricular assist device before follow-up echocardiography. A classification tree was established using the binary recursive partitioning method to predict the outcome of patients who met CRT indications. In a median follow-up of 11 months, LVEF improvement was observed in 24.3%, 15.4%, and 40.5% of patients with LBBB, wide QRS complexes without LBBB, and control, respectively. Patients meeting CRT indications had higher 3 month mortality rates than the control (24.6% vs. 17.7%, P = 0.002). Multivariable logistic regression analysis revealed that large LV end-systolic dimension [odds ratio (OR) 1.10, 95% confidence interval (CI) 1.05-1.15, P < 0.001], low LVEF (OR 0.92, 95% CI 0.87-0.98, P = 0.006), diabetes requiring insulin (OR 6.49, 95% CI 2.53-19.33, P < 0.001), and suboptimal medical therapy (OR 6.85, 95% CI 3.21-15.87, P < 0.001) were significant factors predictive of no improvement. A decision tree analysis was consistent with these results. CONCLUSIONS Patients with CRT indications had higher mortality during their follow-up compared with control. LV function improvement was rare in this population, especially when they had some risk factors. These results suggest that the uniform waiting period before CRT implantation could be reconsidered and individualized.
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Affiliation(s)
- Jung Ae Hong
- Department of Cardiology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, South Korea.,Department of Cardiovascular Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Sang Eun Lee
- Department of Cardiology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, South Korea
| | - Seon-Ok Kim
- Department of Clinical Epidemiology and Biostatistics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Min-Seok Kim
- Department of Cardiology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, South Korea
| | - Hae-Young Lee
- Department of Internal Medicine, Seoul National University Hospital, Seoul, South Korea
| | - Hyun-Jai Cho
- Department of Internal Medicine, Seoul National University Hospital, Seoul, South Korea
| | - Jin Oh Choi
- Sungkyunkwan University College of Medicine, Seoul, South Korea
| | - Eun-Seok Jeon
- Sungkyunkwan University College of Medicine, Seoul, South Korea
| | - Kyung-Kuk Hwang
- Chungbuk National University College of Medicine, Cheongju, South Korea
| | - Shung Chull Chae
- Kyungpook National University College of Medicine, Daegu, South Korea
| | | | - Seok-Min Kang
- Yonsei University College of Medicine, Seoul, South Korea
| | - Dong-Ju Choi
- Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Byung-Su Yoo
- Yonsei University Wonju College of Medicine, Wonju, South Korea
| | - Kye Hun Kim
- Heart Research Center of Chonnam National University, Gwangju, South Korea
| | - Myeong-Chan Cho
- Chungbuk National University College of Medicine, Cheongju, South Korea
| | - Byung-Hee Oh
- Division of Cardiology, Cardiovascular Center, Mediplex Sejong Hospital, Incheon, South Korea
| | - Jae-Joong Kim
- Department of Cardiology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, South Korea
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21
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Wouters PC, van Everdingen WM, Vernooy K, Geelhoed B, Allaart CP, Rienstra M, Maass AH, Vos MA, Prinzen FW, Meine M, Cramer MJ. Does mechanical dyssynchrony in addition to QRS area ensure sustained response to cardiac resynchronization therapy? Eur Heart J Cardiovasc Imaging 2021; 23:1628-1635. [PMID: 34871385 PMCID: PMC9671288 DOI: 10.1093/ehjci/jeab264] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 11/23/2021] [Indexed: 11/27/2022] Open
Abstract
Aims Judicious patient selection for cardiac resynchronization therapy (CRT) may further enhance treatment response. Progress has been made by using improved markers of electrical dyssynchrony and mechanical discoordination, using QRSAREA, and systolic rebound stretch of the septum (SRSsept) or systolic stretch index (SSI), respectively. To date, the relation between these measurements has not yet been investigated. Methods and results A total of 240 CRT patients were prospectively enrolled from six centres. Patients underwent standard 12-lead electrocardiography, and echocardiography, at baseline, 6-month, and 12-month follow-up. QRSAREA was derived using vectorcardiography, and SRSsept and SSI were measured using strain-analysis. Reverse remodelling was measured as the relative decrease in left ventricular end-systolic volume, indexed to body surface area (ΔLVESVi). Sustained response was defined as ≥15% decrease in LVESVi, at both 6- and 12-month follow-up. QRSAREA and SRSsept were both strong, multivariable adjusted, variables associated with reverse remodelling. SRSsept was associated with response, but only in patients with QRSAREA ≥ 120 μVs (AUC = 0.727 vs. 0.443). Combined presence of SRSsept ≥ 2.5% and QRSAREA ≥ 120 μVs significantly increased reverse remodelling compared with high QRSAREA alone (ΔLVESVi 38 ± 21% vs. 22 ± 21%). As a result, 92% of left bundle branch block (LBBB)-patients with combined electrical and mechanical dysfunction were ‘sustained’ volumetric responders, as opposed to 51% with high QRSAREA alone. Conclusion Parameters of mechanical dyssynchrony are better associated with response in the presence of a clear underlying electrical substrate. Combined presence of high SRSsept and QRSAREA, but not high QRSAREA alone, ensures a sustained response after CRT in LBBB patients.
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Affiliation(s)
- Philippe C Wouters
- Department of Cardiology, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
| | - Wouter M van Everdingen
- Department of Cardiology, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
| | - Kevin Vernooy
- Department of Cardiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Centre+ (MUMC+), 6229 HX Maastricht, The Netherlands.,Department of Cardiology, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands
| | - Bastiaan Geelhoed
- Department of Cardiology, Thoraxcentre, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
| | - Cornelis P Allaart
- Department of Cardiology, Amsterdam University Medical Center, Location VU University Medical Center, 1081 HV Amsterdam, The Netherlands
| | - Michiel Rienstra
- Department of Cardiology, Thoraxcentre, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
| | - Alexander H Maass
- Department of Cardiology, Thoraxcentre, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
| | - Marc A Vos
- Department of Medical Physiology, University of Utrecht, 3584 CM Utrecht, The Netherlands
| | - Frits W Prinzen
- Department of Physiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 6229 ER Masstricht, The Netherlands
| | - Mathias Meine
- Department of Cardiology, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
| | - Maarten J Cramer
- Department of Cardiology, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
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22
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Prediction of response after cardiac resynchronization therapy with machine learning. Int J Cardiol 2021; 344:120-126. [PMID: 34592246 DOI: 10.1016/j.ijcard.2021.09.049] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 09/05/2021] [Accepted: 09/22/2021] [Indexed: 12/28/2022]
Abstract
AIMS Nearly one third of patients receiving cardiac resynchronization therapy (CRT) suffer non-response. We intend to develop predictive models using machine learning (ML) approaches and easily attainable features before CRT implantation. METHODS AND RESULTS The baseline characteristics of 752 CRT recipients from two hospitals were retrospectively collected. Nine ML predictive models were established, including logistic regression (LR), elastic network (EN), lasso regression (Lasso), ridge regression (Ridge), neural network (NN), support vector machine (SVM), random forest (RF), XGBoost and k-nearest neighbour (k-NN). Sensitivity, specificity, precision, accuracy, F1, log-loss, area under the receiver operating characteristic (AU-ROC), and average precision (AP) of each model were evaluated. AU-ROC was compared between models and the latest guidelines. Six models had an AU-ROC value above 0.75. The LR, EN and Ridge models showed the highest overall predictive power compared with other models with AU-ROC at 0.77. The XGBoost model reached the highest sensitivity at 0.72, while the highest specificity was achieved by Ridge model at 0.92. All ML models achieved higher AU-ROCs that those derived from the latest guidelines (all P < 0.05). The effect size analysis identified left bundle branch block, left ventricular end-systolic diameter, and history of percutaneous coronary intervention as the most crucial predictors of CRT response. An online tool to facilitate the prediction of CRT response is freely available at http://www.crt-response.com/. CONCLUSIONS ML algorithms produced efficient predictive models for evaluation of CRT response with features before implantation. Tools developed accordingly could improve the selection of CRT candidates and reduce the incidence of non-response.
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23
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Said F, ter Maaten JM, Martens P, Vernooy K, Meine M, Allaart CP, Geelhoed B, Vos MA, Cramer MJ, van Gelder IC, Mullens W, Rienstra M, Maass AH. Aetiology of Heart Failure, Rather than Sex, Determines Reverse LV Remodelling Response to CRT. J Clin Med 2021; 10:jcm10235513. [PMID: 34884215 PMCID: PMC8658308 DOI: 10.3390/jcm10235513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 11/22/2021] [Accepted: 11/22/2021] [Indexed: 11/23/2022] Open
Abstract
Introduction: Cardiac resynchronization therapy (CRT) is an established therapy for patients with heart failure with reduced ejection fraction (HFrEF). Women appear to respond differently to CRT, yet it remains unclear whether this is inherent to the female sex itself, or due to other patient characteristics. In this study, we aimed to investigate sex differences in response to CRT. Methods: This is a post-hoc analysis of a prospective, multicenter study (MARC) in the Netherlands, studying HFrEF patients with an indication for CRT according to the guidelines (n = 240). Primary outcome measures are left ventricular ejection fraction (LVEF) and left ventricular end systolic volume (LVESV) at 6 months follow-up. Results were validated in an independent retrospective Belgian cohort (n = 818). Results: In the MARC cohort 39% were women, and in the Belgian cohort 32% were women. In the MARC cohort, 70% of the women were responders (defined as >15% decrease in LVESV) at 6 months, compared to 55% of men (p = 0.040) (79% vs. 67% in the Belgian cohort, p = 0.002). Women showed a greater decrease in LVESV %, LVESV indexed to body surface area (BSA) %, and increase in LVEF (all p < 0.05). In regression analysis, after adjustment for BSA and etiology, female sex was no longer associated with change in LVESV % and LVESV indexed to BSA % and LVEF % (p > 0.05 for all). Results were comparable in the Belgian cohort. Conclusions: Women showed a greater echocardiographic response to CRT at 6 months follow-up. However, after adjustment for BSA and ischemic etiology, no differences were found in LV-function measures or survival, suggesting that non-ischemic etiology is responsible for greater response rates in women treated with CRT.
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Affiliation(s)
- Fatema Said
- Department of Cardiology, University Medical Center Groningen, University of Groningen, 9713 Groningen, The Netherlands; (F.S.); (J.M.t.M.); (B.G.); (I.C.v.G.); (M.R.)
| | - Jozine M. ter Maaten
- Department of Cardiology, University Medical Center Groningen, University of Groningen, 9713 Groningen, The Netherlands; (F.S.); (J.M.t.M.); (B.G.); (I.C.v.G.); (M.R.)
- Department of Cardiology, Ziekenhuis Oost-Limburg, 3600 Genk, Belgium; (P.M.); (W.M.)
| | - Pieter Martens
- Department of Cardiology, Ziekenhuis Oost-Limburg, 3600 Genk, Belgium; (P.M.); (W.M.)
- Faculty of Medicine and Life Sciences, Biomedical Research Institute, Hasselt University, 3590 Diepenbeek, Belgium
| | - Kevin Vernooy
- Department of Cardiology, Maastricht University Medical Center, 6200 Maastricht, The Netherlands;
| | - Mathias Meine
- Department of Cardiology, University Medical Center Utrecht, 3584 Utrecht, The Netherlands; (M.M.); (M.J.C.)
| | - Cornelis P. Allaart
- Department of Cardiology, VU University Medical Center, 1081 Amsterdam, The Netherlands;
| | - Bastiaan Geelhoed
- Department of Cardiology, University Medical Center Groningen, University of Groningen, 9713 Groningen, The Netherlands; (F.S.); (J.M.t.M.); (B.G.); (I.C.v.G.); (M.R.)
| | - Marc A. Vos
- Department of Medical Physiology, University of Utrecht, 3584 Utrecht, The Netherlands;
| | - Maarten J. Cramer
- Department of Cardiology, University Medical Center Utrecht, 3584 Utrecht, The Netherlands; (M.M.); (M.J.C.)
| | - Isabelle C. van Gelder
- Department of Cardiology, University Medical Center Groningen, University of Groningen, 9713 Groningen, The Netherlands; (F.S.); (J.M.t.M.); (B.G.); (I.C.v.G.); (M.R.)
| | - Wilfried Mullens
- Department of Cardiology, Ziekenhuis Oost-Limburg, 3600 Genk, Belgium; (P.M.); (W.M.)
- Faculty of Medicine and Life Sciences, Biomedical Research Institute, Hasselt University, 3590 Diepenbeek, Belgium
| | - Michiel Rienstra
- Department of Cardiology, University Medical Center Groningen, University of Groningen, 9713 Groningen, The Netherlands; (F.S.); (J.M.t.M.); (B.G.); (I.C.v.G.); (M.R.)
| | - Alexander H. Maass
- Department of Cardiology, University Medical Center Groningen, University of Groningen, 9713 Groningen, The Netherlands; (F.S.); (J.M.t.M.); (B.G.); (I.C.v.G.); (M.R.)
- Correspondence: ; Tel.: +31-50-361-2355
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24
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Östenson B, Ostenfeld E, Werther-Evaldsson A, Roijer A, Bakos Z, Kanski M, Heiberg E, Arheden H, Borgquist R, Carlsson M. Regional contributions to left ventricular stroke volume determined by cardiac magnetic resonance imaging in cardiac resynchronization therapy. BMC Cardiovasc Disord 2021; 21:519. [PMID: 34702172 PMCID: PMC8549254 DOI: 10.1186/s12872-021-02325-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Accepted: 10/15/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Cardiac resynchronization therapy (CRT) restores ventricular synchrony and induces left ventricular (LV) reverse remodeling in patients with heart failure (HF) and dyssynchrony. However, 30% of treated patients are non-responders despite all efforts. Cardiac magnetic resonance imaging (CMR) can be used to quantify regional contributions to stroke volume (SV) as potential CRT predictors. The aim of this study was to determine if LV longitudinal (SVlong%), lateral (SVlat%), and septal (SVsept%) contributions to SV differ from healthy controls and investigate if these parameters can predict CRT response. METHODS Sixty-five patients (19 women, 67 ± 9 years) with symptomatic HF (LVEF ≤ 35%) and broadened QRS (≥ 120 ms) underwent CMR. SVlong% was calculated as the volume encompassed by the atrioventricular plane displacement (AVPD) from end diastole (ED) to end systole (ES) divided by total SV. SVlat%, and SVsept% were calculated as the volume encompassed by radial contraction from ED to ES. Twenty age- and sex-matched healthy volunteers were used as controls. The regional measures were compared to outcome response defined as ≥ 15% decrease in echocardiographic LV end-systolic volume (LVESV) from pre- to 6-months post CRT (delta, Δ). RESULTS AVPD and SVlong% were lower in patients compared to controls (8.3 ± 3.2 mm vs 15.3 ± 1.6 mm, P < 0.001; and 53 ± 18% vs 64 ± 8%, P < 0.01). SVsept% was lower (0 ± 15% vs 10 ± 4%, P < 0.01) with a higher SVlat% in the patient group (42 ± 16% vs 29 ± 7%, P < 0.01). There were no differences between responders and non-responders in neither SVlong% (P = 0.87), SVlat% (P = 0.09), nor SVsept% (P = 0.65). In patients with septal net motion towards the right ventricle (n = 28) ΔLVESV was - 18 ± 22% and with septal net motion towards the LV (n = 37) ΔLVESV was - 19 ± 23% (P = 0.96). CONCLUSIONS Longitudinal function, expressed as AVPD and longitudinal contribution to SV, is decreased in patients with HF scheduled for CRT. A larger lateral contribution to SV compensates for the abnormal septal systolic net movement. However, LV reverse remodeling could not be predicted by these regional contributors to SV.
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Affiliation(s)
- Björn Östenson
- Clinical Physiology, Department of Clinical Sciences Lund, Lund University, Skåne University Hospital, Lund, Sweden
| | - Ellen Ostenfeld
- Clinical Physiology, Department of Clinical Sciences Lund, Lund University, Skåne University Hospital, Lund, Sweden
| | - Anna Werther-Evaldsson
- Section for Heart Failure and Valvular Disease, Department of Clinical Sciences Lund, Cardiology, Lund University, Skåne University Hospital, Lund, Sweden
| | - Anders Roijer
- Section for Heart Failure and Valvular Disease, Department of Clinical Sciences Lund, Cardiology, Lund University, Skåne University Hospital, Lund, Sweden
| | - Zoltan Bakos
- Section of Arrhythmia, Department of Clinical Sciences Lund, Cardiology, Lund University, Skåne University Hospital, Lund, Sweden
| | - Mikael Kanski
- Clinical Physiology, Department of Clinical Sciences Lund, Lund University, Skåne University Hospital, Lund, Sweden
- Department of Radiology, New York University School of Medicine, New York, NY, USA
| | - Einar Heiberg
- Clinical Physiology, Department of Clinical Sciences Lund, Lund University, Skåne University Hospital, Lund, Sweden
- Wallenberg Center for Molecular Medicine, Lund University, Lund, Sweden
| | - Håkan Arheden
- Clinical Physiology, Department of Clinical Sciences Lund, Lund University, Skåne University Hospital, Lund, Sweden
| | - Rasmus Borgquist
- Section of Arrhythmia, Department of Clinical Sciences Lund, Cardiology, Lund University, Skåne University Hospital, Lund, Sweden
| | - Marcus Carlsson
- Clinical Physiology, Department of Clinical Sciences Lund, Lund University, Skåne University Hospital, Lund, Sweden.
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25
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Glikson M, Nielsen JC, Kronborg MB, Michowitz Y, Auricchio A, Barbash IM, Barrabés JA, Boriani G, Braunschweig F, Brignole M, Burri H, Coats AJS, Deharo JC, Delgado V, Diller GP, Israel CW, Keren A, Knops RE, Kotecha D, Leclercq C, Merkely B, Starck C, Thylén I, Tolosana JM. 2021 ESC Guidelines on cardiac pacing and cardiac resynchronization therapy. Eur Heart J 2021; 42:3427-3520. [PMID: 34455430 DOI: 10.1093/eurheartj/ehab364] [Citation(s) in RCA: 852] [Impact Index Per Article: 284.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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26
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Zhang T, Xu C, Zhao R, Cao Z. Diagnostic Value of sST2 in Cardiovascular Diseases: A Systematic Review and Meta-Analysis. Front Cardiovasc Med 2021; 8:697837. [PMID: 34368254 PMCID: PMC8342767 DOI: 10.3389/fcvm.2021.697837] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 06/24/2021] [Indexed: 12/20/2022] Open
Abstract
Biomarkers such as B-type natriuretic peptide (BNP), N-terminal pro-BNP (NT-proBNP), cardiac troponin (cTn), and CK-MB contribute significantly to the diagnosis of cardiovascular disease (CVD). Recent studies have demonstrated that suppression of tumorigenicity 2 (ST2) is associated with CVD, but a meta-analysis of ST2 levels in different CVDs has yet to be conducted. Therefore, the present study aimed to investigate soluble ST2 (sST2) levels in patients with ischemic heart disease (IHD), myocardial infarction (MI), and heart failure (HF). A total of 1,425 studies were searched across four databases, of which 16 studies were included in the meta-analysis. The Newcastle-Ottawa Quality Assessment Scale (NOS) values of all 16 studies were ≥7. The meta-analysis results indicated that the sST2 level was not correlated with IHD (standard mean difference [SMD] = 0.58, 95% confidence interval [95% CI] = 0.00 to 1.16, p = 0.05) or MI (weighted mean difference [WMD] = 0.17, 95% CI = -0.22 to 0.55, p = 0.40) but was significantly associated with HF (WMD = 0.21, 95% CI = 0.04 to 0.38, p = 0.02; I 2 = 99%, p < 0.00001). sST2 levels did not differ significantly between patients with IHD or MI and healthy individuals; however, we believe that ST2 could be used as an auxiliary diagnostic biomarker of HF.
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Affiliation(s)
- Tianyi Zhang
- Department of Forensic Pathology, School of Forensic Medicine, China Medical University, Shenyang, China
- Department of Forensic Pathophysiology, School of Forensic Medicine, China Medical University, Shenyang, China
- Department of Forensic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Chengyang Xu
- Department of Forensic Pathology, School of Forensic Medicine, China Medical University, Shenyang, China
- Department of Forensic Pathophysiology, School of Forensic Medicine, China Medical University, Shenyang, China
| | - Rui Zhao
- Department of Forensic Pathology, School of Forensic Medicine, China Medical University, Shenyang, China
- Department of Forensic Pathophysiology, School of Forensic Medicine, China Medical University, Shenyang, China
| | - Zhipeng Cao
- Department of Forensic Pathology, School of Forensic Medicine, China Medical University, Shenyang, China
- Department of Forensic Pathophysiology, School of Forensic Medicine, China Medical University, Shenyang, China
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27
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Salden OAE, Zweerink A, Wouters P, Allaart CP, Geelhoed B, de Lange FJ, Maass AH, Rienstra M, Vernooy K, Vos MA, Meine M, Prinzen FW, Cramer MJ. The value of septal rebound stretch analysis for the prediction of volumetric response to cardiac resynchronization therapy. Eur Heart J Cardiovasc Imaging 2021; 22:37-45. [PMID: 32699908 DOI: 10.1093/ehjci/jeaa190] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Accepted: 06/02/2020] [Indexed: 01/27/2023] Open
Abstract
AIMS Patient selection for cardiac resynchronization therapy (CRT) may be enhanced by evaluation of systolic myocardial stretching. We evaluate whether systolic septal rebound stretch (SRSsept) derived from speckle tracking echocardiography is a predictor of reverse remodelling after CRT and whether it holds additive predictive value over the simpler visual dyssynchrony assessment by apical rocking (ApRock). METHODS AND RESULTS The association between SRSsept and change in left ventricular end-systolic volume (ΔLVESV) at 6 months of follow-up was assessed in 200 patients. Subsequently, the additive predictive value of SRSsept over the assessment of ApRock was evaluated in patients with and without left bundle branch block (LBBB) according to strict criteria. SRSsept was independently associated with ΔLVESV (β 0.221, P = 0.002) after correction for sex, age, ischaemic cardiomyopathy, QRS morphology and duration, and ApRock. A high SRSsept (≥optimal cut-off value 2.4) also coincided with more volumetric responders (ΔLVESV ≥ -15%) than low SRSsept in the entire cohort (70.0% and 56.4%), in patients with strict LBBB (83.3% vs. 56.7%, P = 0.024), and non-LBBB (70.7% vs. 46.3%, P = 0.004). Moreover, in non-LBBB patients, SRSsept held additional predictive information over the assessment of ApRock alone since patients that showed ApRock and high SRSsept were more often volumetric responder than those with ApRock but low SRSsept (82.8% vs. 47.4%, P = 0.001). CONCLUSION SRSsept is strongly associated with CRT-induced reduction in left ventricular end-systolic volume and holds additive prognostic information over QRS morphology and ApRock. Our data suggest that CRT patient selection may be improved by assessment of SRSsept, especially in the important subgroup without strict LBBB. CLINICAL TRIAL REGISTRATION The MARC study was registered at clinicaltrials.gov: NCT01519908.
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Affiliation(s)
- Odette A E Salden
- Department of Cardiology, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, the Netherlands
| | - Alwin Zweerink
- Department of Cardiology, Amsterdam University Medical Center, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands
| | - Philippe Wouters
- Department of Cardiology, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, the Netherlands
| | - Cornelis P Allaart
- Department of Cardiology, Amsterdam University Medical Center, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands
| | - Bastiaan Geelhoed
- Department of Cardiology, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, the Netherlands
| | - Frederik J de Lange
- Department of Cardiology, Amsterdam University Medical Center, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands
| | - Alexander H Maass
- Department of Cardiology, Amsterdam University Medical Center, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands
| | - Michiel Rienstra
- Department of Cardiology, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, the Netherlands
| | - Kevin Vernooy
- Department of Cardiology, Maastricht University Medical Center, P. Debyelaan 25, 6229 HX Maastricht, the Netherlands.,Department of Physiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Universiteitssingel 50, 6229 ER Maastricht, the Netherlands
| | - Marc A Vos
- Department of Medical Physiology, University of Utrecht, Yalelaan 50, 3584 CM Utrecht, the Netherlands
| | - Mathias Meine
- Department of Cardiology, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, the Netherlands
| | - Frits W Prinzen
- Department of Physiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Universiteitssingel 50, 6229 ER Maastricht, the Netherlands
| | - Maarten J Cramer
- Department of Cardiology, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, the Netherlands
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28
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Sillanmäki S, Gimelli A, Ahmad S, Samir S, Laitinen T, Soman P. Mechanisms of left ventricular dyssynchrony: A multinational SPECT study of patients with bundle branch block. J Nucl Cardiol 2021; 28:1140-1150. [PMID: 32060855 DOI: 10.1007/s12350-020-02054-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Accepted: 01/16/2020] [Indexed: 10/25/2022]
Abstract
BACKGROUND To better understand the mechanisms of left ventricular (LV) mechanical dyssynchrony (LVMD), we explored the relative contributions of QRS duration (QRSd), LV ejection fraction (EF), volumes and scar to LVMD measured by gated single-photon emission tomography in a population of consecutive patients with left bundle branch block (LBBB) and right bundle branch block (RBBB) compared to controls. METHODS Myocardial perfusion imaging studies of 275 LBBB and 83 RBBB patients from three centers were analyzed. LVMD was defined as an abnormal phase bandwidth or phase standard deviation. Hospital and gender-specific normal values were obtained from 172 controls. RESULTS The prevalence of LVMD was 85 and 40% in LBBB and RBBB, respectively. Ejection fraction, scar severity, and LBBB morphology independently explained 70% of variance seen in PhaseBW. Ejection fraction had the highest area under the curve (AUC 0.918) in the receiver operating characteristics analysis of LVMD with an optimal cut-off of 47% (sensitivity 73% and specificity 98%). Notably, QRSd was not predictive. CONCLUSION LV mechanical dysfunction plays a greater role than conduction abnormality in the genesis of LVMD, a finding that is intriguing in the context of contemporary literature which suggests that QRSd is the parameter that is most predictive of CRT response.
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Affiliation(s)
- Saara Sillanmäki
- Institute of Clinical Medicine, University of Eastern Finland, Joensuu, Finland
- Department of Nuclear Medicine and Clinical Physiology, Kuopio University Hospital, PL 100, 70029 KYS, Kuopio, Finland
| | | | - Shahzad Ahmad
- Division of Cardiology and The Heart and Vascular Institute, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Saba Samir
- Division of Cardiology and The Heart and Vascular Institute, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Tomi Laitinen
- Institute of Clinical Medicine, University of Eastern Finland, Joensuu, Finland
- Department of Nuclear Medicine and Clinical Physiology, Kuopio University Hospital, PL 100, 70029 KYS, Kuopio, Finland
| | - Prem Soman
- Division of Cardiology and The Heart and Vascular Institute, University of Pittsburgh Medical Center, Pittsburgh, PA, USA.
- University of Pittsburgh Medical Center, A429 Scaife Hall, 200 Lothrop Street, Pittsburgh, PA, 15213, USA.
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29
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Hu X, Xu H, Hassea SRA, Qian Z, Wang Y, Zhang X, Hou X, Zou J. Comparative efficacy of image-guided techniques in cardiac resynchronization therapy: a meta-analysis. BMC Cardiovasc Disord 2021; 21:255. [PMID: 34024286 PMCID: PMC8142495 DOI: 10.1186/s12872-021-02061-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Accepted: 05/11/2021] [Indexed: 01/06/2023] Open
Abstract
Background Several studies have illustrated the use of echocardiography, magnetic resonance imaging, and nuclear imaging to optimize left ventricular (LV) lead placement to enhance the response of cardiac resynchronization therapy (CRT) in heart failure patients. We aimed to conduct a meta-analysis to determine the incremental efficacy of image-guided CRT over standard CRT. Methods We searched PubMed, Cochrane library, and EMBASE to identify relevant studies. The outcome measures of cardiac function and clinical outcomes were CRT response, concordance of the LV lead to the latest sites of contraction (concordance of LV), heart failure (HF) hospitalization, mortality rates, changes of left ventricular ejection fraction (LVEF), and left ventricular end-systolic volume (LVESV). Results The study population comprised 1075 patients from eight studies. 544 patients underwent image-guided CRT implantation and 531 underwent routine implantation without imaging guidance. The image-guided group had a significantly higher CRT response and more on-target LV lead placement than the control group (RR, 1.33 [95% CI, 1.21 to 1.47]; p < 0.01 and RR, 1.39 [95% CI, 1.01 to 1.92]; p < 0.05, respectively). The reduction of LVESV in the image-guided group was significantly greater than that in the control group (weighted mean difference, − 12.46 [95% CI, − 18.89 to − 6.03]; p < 0.01). The improvement in LVEF was significantly higher in the image-guided group (weighted mean difference, 3.25 [95% CI, 1.80 to 4.70]; p < 0.01). Pooled data demonstrated no significant difference in HF hospitalization and mortality rates between two groups (RR, 0.89 [95% CI, 0.16 to 5.08]; p = 0.90, RR, 0.69 [95% CI, 0.37 to 1.29]; p = 0.24, respectively). Conclusions This meta-analysis indicates that image-guided CRT is correlated with improved CRT volumetric response and cardiac function in heart failure patients but not with lower hospitalization or mortality rate. Supplementary Information The online version contains supplementary material available at 10.1186/s12872-021-02061-y.
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Affiliation(s)
- Xiao Hu
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, No.300, Guangzhou Road, Nanjing, 210029, China.,Department of Cardiology, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huaian, Jiangsu, China
| | - Hai Xu
- Department of Cardiology, Staten Island University Hospital / Northwell Health, 475 Seaview Drive, Staten Island, NY, 10305, USA
| | - Shameer Raaj Avishkar Hassea
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, No.300, Guangzhou Road, Nanjing, 210029, China
| | - Zhiyong Qian
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, No.300, Guangzhou Road, Nanjing, 210029, China
| | - Yao Wang
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, No.300, Guangzhou Road, Nanjing, 210029, China
| | - Xinwei Zhang
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, No.300, Guangzhou Road, Nanjing, 210029, China
| | - Xiaofeng Hou
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, No.300, Guangzhou Road, Nanjing, 210029, China
| | - Jiangang Zou
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, No.300, Guangzhou Road, Nanjing, 210029, China.
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Zhu M, Wang Y, Cheng Y, Su Y, Chen H, Shu X. The value of non-invasive myocardial work indices derived from left ventricular pressure-strain loops in predicting the response to cardiac resynchronization therapy. Quant Imaging Med Surg 2021; 11:1406-1420. [PMID: 33816178 DOI: 10.21037/qims-20-754] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Background Non-invasive left ventricular (LV) pressure-strain loops (PSLs), which are generated by combining LV longitudinal strain with brachial artery blood pressure, provide a novel method of quantifying global and segmental myocardial work (MW) indices with potential advantages over conventional echocardiographic strain data, which suffers from being load-dependent. This method has been recently introduced in echocardiographic software, enhancing the efficiency of MW calculations. This study aimed to evaluate the role of non-invasive MW indices derived from LV PSLs in predicting cardiac resynchronization therapy (CRT) response. Methods A total of 106 heart failure (HF) patients scheduled for CRT were included in the MW analysis. Global and segmental (septal and lateral at the mid-ventricular level) MW indices were assessed before CRT and at a 6-month follow-up. Response to CRT was defined as ≥15% reduction in LV end-systolic volume and ≥1 NYHA functional class improvement at 6-month follow-up compared to baseline. Results CRT response was observed in 78 (74%) patients. At baseline, the global work index (GWI) and global constructive work (GCW) were significantly higher in CRT responders than in non-responders (both P<0.05). Furthermore, responders exhibited significantly higher mid lateral MW and mid lateral constructive work (CW) (both P<0.001), but significantly lower mid septal MWI and mid septal myocardial work efficiency (MWE) than non-responders (all P<0.01). Baseline mid septal MWE (OR 0.975, 95% CI: 0.959-0.990, P=0.002) and mid lateral MWI (OR 1.003, 95% CI: 1.002-1.004, P<0.001) were identified as independent predictors of CRT response in multivariate regression analysis. Mid septal MWE ≤42% combined with mid lateral MWI ≥740 mmHg% predicted CRT response, with an optimal sensitivity of 79% and specificity of 82% [area under the receiver operating characteristic curve (AUC) =0.830, P<0.001]. Conclusions Assessment of MW indices before CRT could identify the marked imbalance in LV MW distribution and can be widely used as a reliable complementary tool for guiding patient selection for CRT in clinical practice.
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Affiliation(s)
- Mengruo Zhu
- Department of Echocardiography, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yanan Wang
- Department of Echocardiography, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yufei Cheng
- Department of Echocardiography, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yangang Su
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Haiyan Chen
- Department of Echocardiography, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Xianhong Shu
- Department of Echocardiography, Zhongshan Hospital, Fudan University, Shanghai, China.,Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai, China
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Cardiac Resynchronization Therapy in Non-Ischemic Cardiomyopathy: Role of Multimodality Imaging. Diagnostics (Basel) 2021; 11:diagnostics11040625. [PMID: 33808474 PMCID: PMC8066641 DOI: 10.3390/diagnostics11040625] [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] [Received: 03/10/2021] [Revised: 03/26/2021] [Accepted: 03/28/2021] [Indexed: 12/28/2022] Open
Abstract
Non-ischemic cardiomyopathy encompasses a heterogeneous group of diseases, with a generally unfavorable long-term prognosis. Cardiac resynchronization therapy (CRT) is a useful therapeutic option for patients with symptomatic heart failure, currently recommended by all available guidelines, with outstanding benefits, especially in non-ischemic dilated cardiomyopathy. Still, in spite of clear indications based on identifying a dyssynchronous pattern on the electrocardiogram (ECG,) a great proportion of patients are non-responders. The idea that multimodality cardiac imaging can play a role in refining the selection criteria and the implant technique and help with subsequent system optimization is promising. In this regard, predictors of CRT response, such as apical rocking and septal flash have been identified. Promising new data come from studies using cardiac magnetic resonance and nuclear imaging for showcasing myocardial dyssynchrony. Still, to date, no single imaging predictor has been included in the guidelines, probably due to lack of validation in large, multicenter cohorts. This review provides an up-to-date synthesis of the latest evidence of CRT use in non-ischemic cardiomyopathy and highlights the potential additional value of multimodality imaging for improving CRT response in this population. By incorporating all these findings into our clinical practice, we can aim toward obtaining a higher proportion of responders and improve the success rate of CRT.
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Ghossein MA, van Stipdonk AMW, Plesinger F, Kloosterman M, Wouters PC, Salden OAE, Meine M, Maass AH, Prinzen FW, Vernooy K. Reduction in the QRS area after cardiac resynchronization therapy is associated with survival and echocardiographic response. J Cardiovasc Electrophysiol 2021; 32:813-822. [PMID: 33476467 PMCID: PMC7986123 DOI: 10.1111/jce.14910] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 01/05/2021] [Accepted: 01/14/2021] [Indexed: 12/30/2022]
Abstract
INTRODUCTION Recent studies have shown that the baseline QRS area is associated with the clinical response after cardiac resynchronization therapy (CRT). In this study, we investigated the association of QRS area reduction (∆QRS area) after CRT with the outcome. We hypothesize that a larger ∆QRS area is associated with a better survival and echocardiographic response. METHODS AND RESULTS Electrocardiograms (ECG) obtained before and 2-12 months after CRT from 1299 patients in a multi-center CRT-registry were analyzed. The QRS area was calculated from vectorcardiograms that were synthesized from 12-lead ECGs. The primary endpoint was a combination of all-cause mortality, heart transplantation, and left ventricular (LV) assist device implantation. The secondary endpoint was the echocardiographic response, defined as LV end-systolic volume reduction ≥ of 15%. Patients with ∆QRS area above the optimal cut-off value (62 µVs) had a lower risk of reaching the primary endpoint (hazard ratio: 0.43; confidence interval [CI] 0.33-0.56, p < .001), and a higher chance of echocardiographic response (odds ratio [OR] 3.3;CI 2.4-4.6, p < .0001). In multivariable analysis, ∆QRS area was independently associated with both endpoints. In patients with baseline QRS area ≥109 µVs, survival, and echocardiographic response were better when the ∆QRS area was ≥62 µVs (p < .0001). Logistic regression showed that in patients with baseline QRS area ≥109 µVs, ∆QRS area was the only significant predictor of survival (OR: 0.981; CI: 0.967-0.994, p = .006). CONCLUSION ∆QRS area is an independent determinant of CRT response, especially in patients with a large baseline QRS area. Failure to achieve a large QRS area reduction with CRT is associated with a poor clinical outcome.
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Affiliation(s)
- Mohammed A. Ghossein
- Department of Physiology, Cardiovascular Research Institute Maastricht (CARIM)Maastricht UniversityMaastrichtThe Netherlands
| | - Antonius M. W. van Stipdonk
- Department of Cardiology, Cardiovascular Research Institute Maastricht (CARIM)Maastricht University Medical Centre+MaastrichtThe Netherlands
| | - Filip Plesinger
- Department of Medical SignalsInstitute of Scientific Instruments of the Czech Academy of SciencesBrnoCzech Republic
| | - Mariëlle Kloosterman
- Department of Cardiology, University of GroningenUniversity Medical Center GroningenGroningenThe Netherlands
| | - Philippe C. Wouters
- Department of CardiologyUniversity Medical Center UtrechtUtrechtThe Netherlands
| | - Odette A. E. Salden
- Department of CardiologyUniversity Medical Center UtrechtUtrechtThe Netherlands
| | - Mathias Meine
- Department of CardiologyUniversity Medical Center UtrechtUtrechtThe Netherlands
| | - Alexander H. Maass
- Department of Cardiology, University of GroningenUniversity Medical Center GroningenGroningenThe Netherlands
| | - Frits W. Prinzen
- Department of Physiology, Cardiovascular Research Institute Maastricht (CARIM)Maastricht UniversityMaastrichtThe Netherlands
| | - Kevin Vernooy
- Department of Cardiology, Cardiovascular Research Institute Maastricht (CARIM)Maastricht University Medical Centre+MaastrichtThe Netherlands
- Department of CardiologyRadboud University Medical CentreNijmegenThe Netherlands
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Ezzeddine FM, Saliba AN, Jain V, Villarraga HR, Herrmann J, Asirvatham SJ, Cha YM. Outcomes of cardiac resynchronization therapy in patients with chemotherapy-induced cardiomyopathy. PACING AND CLINICAL ELECTROPHYSIOLOGY: PACE 2021; 44:625-632. [PMID: 33592678 DOI: 10.1111/pace.14196] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 01/25/2021] [Accepted: 02/14/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND Several chemotherapy agents are associated with the development of non-ischemic cardiomyopathy (NIC). When chemotherapy-induced cardiomyopathy (CHIC) is associated with left bundle branch block (LBBB) and a left ventricular ejection fraction (LVEF) 35% or lower, cardiac resynchronization therapy (CRT) is often utilized to improve cardiac function and relieve symptoms. OBJECTIVE To determine the echocardiographic and clinical outcomes of CRT in patients with CHIC. METHODS The study included 29 patients with CHIC (CHIC group) and 58 patients with other types of NIC (control group) who underwent CRT implantation between 2004 and 2017. The primary endpoints were changes in LVEF, left ventricular end-systolic diameter (LVESD), and left ventricular end-diastolic diameter (LVEDD) at 6-18 months after CRT. The secondary outcomes included changes in left ventricular global longitudinal strain (GLS), systolic strain rate (SRS), early diastolic strain rate (SRE), and overall survival. RESULTS Out of 29 patients with CHIC, 62.1% received chemotherapy for lymphoma, 13.7% for breast cancer, and 24.1% for sarcoma. The agent implicated in 93.1% of the patients was an anthracycline. Half of the patients had LBBB. The mean baseline LVEF was 28% ± 8%. The mean baseline QRS duration was 146 ± 26 ms. Twenty-eight patients had post-CRT follow-up data. CRT was associated with improvement in echocardiographic outcomes in the CHIC group and the control group. There was no difference in overall survival between the two groups (log-rank p = .148). CONCLUSION CRT improves left ventricular function and reverses remodeling in patients with CHIC.
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Affiliation(s)
- Fatima M Ezzeddine
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Antoine N Saliba
- Division of Hematology, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Vaibhav Jain
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Hector R Villarraga
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Joerg Herrmann
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Samuel J Asirvatham
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA.,Department of Pediatric and Adolescent Medicine, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
| | - Yong-Mei Cha
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
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Wouters PC, Leenders GE, Cramer MJ, Meine M, Prinzen FW, Doevendans PA, De Boeck BWL. Acute recoordination rather than functional hemodynamic improvement determines reverse remodelling by cardiac resynchronisation therapy. Int J Cardiovasc Imaging 2021; 37:1903-1911. [PMID: 33547623 PMCID: PMC8255256 DOI: 10.1007/s10554-021-02174-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Accepted: 01/22/2021] [Indexed: 12/21/2022]
Abstract
PURPOSE Cardiac resynchronisation therapy (CRT) improves left ventricular (LV) function acutely, with further improvements and reverse remodelling during chronic CRT. The current study investigated the relation between acute improvement of LV systolic function, acute mechanical recoordination, and long-term reverse remodelling after CRT. METHODS In 35 patients, LV speckle tracking longitudinal strain, LV volumes & ejection fraction (LVEF) were assessed by echocardiography before, acutely within three days, and 6 months after CRT. A subgroup of 25 patients underwent invasive assessment of the maximal rate of LV pressure rise (dP/dtmax,) during CRT-implantation. The acute change in dP/dtmax, LVEF, systolic discoordination (internal stretch fraction [ISF] and LV systolic rebound stretch [SRSlv]) and systolic dyssynchrony (standard deviation of peak strain times [2DS-SD18]) was studied, and their association with long-term reverse remodelling were determined. RESULTS CRT induced acute and ongoing recoordination (ISF from 45 ± 18 to 27 ± 11 and 23 ± 12%, p < 0.001; SRS from 2.27 ± 1.33 to 0.74 ± 0.50 and 0.71 ± 0.43%, p < 0.001) and improved LV function (dP/dtmax 668 ± 185 vs. 817 ± 198 mmHg/s, p < 0.001; stroke volume 46 ± 15 vs. 54 ± 20 and 52 ± 16 ml; LVEF 19 ± 7 vs. 23 ± 8 and 27 ± 10%, p < 0.001). Acute recoordination related to reverse remodelling (r = 0.601 and r = 0.765 for ISF & SRSlv, respectively, p < 0.001). Acute functional improvements of LV systolic function however, neither related to reverse remodelling nor to the extent of acute recoordination. CONCLUSION Long-term reverse remodelling after CRT is likely determined by (acute) recoordination rather than by acute hemodynamic improvements. Discoordination may therefore be a more important CRT-substrate that can be assessed and, acutely restored.
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Affiliation(s)
- Philippe C Wouters
- University Medical Center Utrecht, Heidelberglaan 100, 3584, CX, Utrecht, The Netherlands.
| | - Geert E Leenders
- University Medical Center Utrecht, Heidelberglaan 100, 3584, CX, Utrecht, The Netherlands
| | - Maarten J Cramer
- University Medical Center Utrecht, Heidelberglaan 100, 3584, CX, Utrecht, The Netherlands
| | - Mathias Meine
- University Medical Center Utrecht, Heidelberglaan 100, 3584, CX, Utrecht, The Netherlands
| | - Frits W Prinzen
- Maastricht University, P.O. Box 616, 6200, MD, Maastricht, The Netherlands
| | | | - Bart W L De Boeck
- University Medical Center Utrecht, Heidelberglaan 100, 3584, CX, Utrecht, The Netherlands.,Luzerner Kantonsspital, 6000, Luzern, Switzerland
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Nakai T, Ikeya Y, Kogawa R, Otsuka N, Wakamatsu Y, Kurokawa S, Ohkubo K, Nagashima K, Okumura Y. What Are the Expectations for Cardiac Resynchronization Therapy? A Validation of Two Response Definitions. J Clin Med 2021; 10:514. [PMID: 33535633 PMCID: PMC7867128 DOI: 10.3390/jcm10030514] [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: 12/18/2020] [Revised: 01/27/2021] [Accepted: 01/27/2021] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND The definition of response to cardiac resynchronization therapy (CRT) varies across clinical trials. There are two main definitions, i.e., echocardiographic response and functional response. We assessed which definition was more reasonable. METHODS In this study of 260 patients who had undergone CRT, an echocardiographic response was defined as a reduction in a left ventricular end-systolic volume of greater than or equal to 15% or an improvement in left ventricular ejection fraction of greater than or equal to 5%. A functional response was defined as an improvement of at least one class category in the New York Heart Association functional classification. We assessed the response to CRT at 6 months after device implantation, based on each definition, and investigated the relationship between response and clinical outcomes. RESULTS The echocardiographic response rate was 74.2%. The functional response rate was 86.9%. Non-responder status, based on both definitions, was associated with higher all-cause mortality. Cardiac death was only associated with functional non-responder status (hazard ratio (HR) 2.65, 95% confidence interval (CI) 1.19-5.46, p = 0.0186) and heart failure hospitalization (HR 2.78, 95% CI, 1.29-5.26, p = 0.0111). CONCLUSION After CRT implantation, the functional response definition of CRT response is associated with a higher response rate and better clinical outcomes than that of the echocardiographic response definition, and therefore it is reasonable to use the functional definition to assess CRT response.
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Affiliation(s)
- Toshiko Nakai
- Division of Cardiology, Department of Medicine, Nihon University School of Medicine, 30-1 Oyaguchi Kamicho, Itabashi-ku, Tokyo 173-8610, Japan; (Y.I.); (R.K.); (N.O.); (Y.W.); (S.K.); (K.O.); (K.N.); (Y.O.)
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Zweerink A, Nijveldt R, Braams NJ, Maass AH, Vernooy K, de Lange FJ, Meine M, Geelhoed B, Rienstra M, van Gelder IC, Vos MA, van Rossum AC, Allaart CP. Segment length in cine (SLICE) strain analysis: a practical approach to estimate potential benefit from cardiac resynchronization therapy. J Cardiovasc Magn Reson 2021; 23:4. [PMID: 33423681 PMCID: PMC7798189 DOI: 10.1186/s12968-020-00701-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Accepted: 08/24/2020] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Segment length in cine (SLICE) strain analysis on standard cardiovascular magnetic resonance (CMR) cine images was recently validated against gold standard myocardial tagging. The present study aims to explore predictive value of SLICE for cardiac resynchronization therapy (CRT) response. METHODS AND RESULTS Fifty-seven patients with heart failure and left bundle branch block (LBBB) were prospectively enrolled in this multi-center study and underwent CMR examination before CRT implantation. Circumferential strains of the septal and lateral wall were measured by SLICE on short-axis cine images. In addition, timing and strain pattern parameters were assessed. After twelve months, CRT response was quantified by the echocardiographic change in left ventricular (LV) end-systolic volume (LVESV). In contrast to timing parameters, strain pattern parameters being systolic rebound stretch of the septum (SRSsep), systolic stretch index (SSIsep-lat), and internal stretch factor (ISFsep-lat) all correlated significantly with LVESV change (R - 0.56; R - 0.53; and R - 0.58, respectively). Of all strain parameters, end-systolic septal strain (ESSsep) showed strongest correlation with LVESV change (R - 0.63). Multivariable analysis showed ESSsep to be independently related to LVESV change together with age and QRSAREA. CONCLUSION The practicable SLICE strain technique may help the clinician to estimate potential benefit from CRT by analyzing standard CMR cine images without the need for commercial software. Of all strain parameters, end-systolic septal strain (ESSsep) demonstrates the strongest correlation with reverse remodeling after CRT. This parameter may be of special interest in patients with non-strict LBBB morphology for whom CRT benefit is doubted.
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Affiliation(s)
- Alwin Zweerink
- Department of Cardiology, Amsterdam Cardiovascular Sciences (ACS), Amsterdam University Medical Centers (AUMC), Location VU University Medical Center, De Boelelaan 1118, 1081 HV Amsterdam, The Netherlands
| | - Robin Nijveldt
- Department of Cardiology, Amsterdam Cardiovascular Sciences (ACS), Amsterdam University Medical Centers (AUMC), Location VU University Medical Center, De Boelelaan 1118, 1081 HV Amsterdam, The Netherlands
- Department of Cardiology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Natalia J. Braams
- Department of Cardiology, Amsterdam Cardiovascular Sciences (ACS), Amsterdam University Medical Centers (AUMC), Location VU University Medical Center, De Boelelaan 1118, 1081 HV Amsterdam, The Netherlands
| | - Alexander H. Maass
- Department of Cardiology, Thoraxcentre, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Kevin Vernooy
- Department of Cardiology, Radboud University Medical Center, Nijmegen, The Netherlands
- Department of Cardiology, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - Frederik J. de Lange
- Department of Cardiology, Amsterdam University Medical Centers (AUMC), Location Academic Medical Center, Amsterdam, The Netherlands
| | - Mathias Meine
- Department of Cardiology, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - Bastiaan Geelhoed
- Department of Cardiology, Thoraxcentre, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Michiel Rienstra
- Department of Cardiology, Thoraxcentre, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Isabelle C. van Gelder
- Department of Cardiology, Thoraxcentre, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Marc A. Vos
- Department of Medical Physiology, University of Utrecht, Utrecht, The Netherlands
| | - Albert C. van Rossum
- Department of Cardiology, Amsterdam Cardiovascular Sciences (ACS), Amsterdam University Medical Centers (AUMC), Location VU University Medical Center, De Boelelaan 1118, 1081 HV Amsterdam, The Netherlands
| | - Cornelis P. Allaart
- Department of Cardiology, Amsterdam Cardiovascular Sciences (ACS), Amsterdam University Medical Centers (AUMC), Location VU University Medical Center, De Boelelaan 1118, 1081 HV Amsterdam, The Netherlands
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Salden OAE, van Stipdonk AMW, den Ruijter HM, Cramer MJ, Kloosterman M, Rienstra M, Maass AH, Prinzen FW, Vernooy K, Meine M. Heart Size Corrected Electrical Dyssynchrony and Its Impact on Sex-Specific Response to Cardiac Resynchronization Therapy. Circ Arrhythm Electrophysiol 2020; 14:e008452. [PMID: 33296227 DOI: 10.1161/circep.120.008452] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Women are less likely to receive cardiac resynchronization therapy, yet, they are more responsive to the therapy and respond at shorter QRS duration. The present study hypothesized that a relatively larger left ventricular (LV) electrical dyssynchrony in smaller hearts contributes to the better cardiac resynchronization therapy response in women. For this, the vectorcardiography-derived QRS area is used, since it allows for a more detailed quantification of electrical dyssynchrony compared with conventional electrocardiographic markers. METHODS Data from a multicenter registry of 725 cardiac resynchronization therapy patients (median follow-up, 4.2 years [interquartile range, 2.7-6.1]) were analyzed. Baseline electrical dyssynchrony was evaluated using the QRS area and the corrected QRS area for heart size using the LV end-diastolic volume (QRSarea/LVEDV). Impact of the QRSarea/LVEDV ratio on the association between sex and LV reverse remodeling (LV end-systolic volume change) and sex and the composite outcome of all-cause mortality, LV assist device implantation, or heart transplantation was assessed. RESULTS At baseline, women (n=228) displayed larger electrical dyssynchrony than men (QRS area, 132±55 versus 123±58 μVs; P=0.043), which was even more pronounced for the QRSarea/LVEDV ratio (0.76±0.46 versus 0.57±0.34 μVs/mL; P<0.001). After multivariable analyses, female sex was associated with LV end-systolic volume change (β=0.12; P=0.003) and a lower occurrence of the composite outcome (hazard ratio, 0.59 [0.42-0.85]; P=0.004). A part of the female advantage regarding reverse remodeling was attributed to the larger QRSarea/LVEDV ratio in women (25-fold change in β from 0.12 to 0.09). The larger QRSarea/LVEDV ratio did not contribute to the better survival observed in women. In both volumetric responders and nonresponders, female sex remained strongly associated with a lower risk of the composite outcome (adjusted hazard ratio, 0.59 [0.36-0.97]; P=0.036; and 0.55 [0.33-0.90]; P=0.018, respectively). CONCLUSIONS Greater electrical dyssynchrony in smaller hearts contributes, in part, to more reverse remodeling observed in women after cardiac resynchronization therapy, but this does not explain their better long-term outcomes.
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Affiliation(s)
- Odette A E Salden
- Department of Cardiology (O.A.E.S., M.J.C., M.M.), University Medical Center Utrecht, Utrecht University, the Netherlands
| | | | - Hester M den Ruijter
- Laboratory of Experimental Cardiology (H.M.d.R.), University Medical Center Utrecht, Utrecht University, the Netherlands
| | - Maarten Jan Cramer
- Department of Cardiology (O.A.E.S., M.J.C., M.M.), University Medical Center Utrecht, Utrecht University, the Netherlands
| | - Mariëlle Kloosterman
- Department of Cardiology, University of Groningen, University Medical Center Groningen, the Netherlands (M.K., M.R., A.H.M.)
| | - Michiel Rienstra
- Department of Cardiology, University of Groningen, University Medical Center Groningen, the Netherlands (M.K., M.R., A.H.M.)
| | - Alexander H Maass
- Department of Cardiology, University of Groningen, University Medical Center Groningen, the Netherlands (M.K., M.R., A.H.M.)
| | - Frits W Prinzen
- Department of Physiology, Cardiovascular Research Institute Maastricht, the Netherlands (F.W.P.)
| | - Kevin Vernooy
- Department of Cardiology, Maastricht University Medical Center, the Netherlands (A.M.W.v.S., K.V.)
| | - Mathias Meine
- Department of Cardiology (O.A.E.S., M.J.C., M.M.), University Medical Center Utrecht, Utrecht University, the Netherlands
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Heggermont W, Auricchio A, Vanderheyden M. Biomarkers to predict the response to cardiac resynchronization therapy. Europace 2020; 21:1609-1620. [PMID: 31681965 DOI: 10.1093/europace/euz168] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Accepted: 05/23/2019] [Indexed: 12/17/2022] Open
Abstract
Cardiac resynchronization therapy (CRT) is an established non-pharmacological treatment for selected heart failure patients with wide QRS duration. However, there is a persistent number of non-responders throughout. The prediction of the CRT response is paramount to adequately select the correct patients for CRT. One of the expanding fields of research is the development of biomarkers that predict the response to CRT. A review of the available literature on biomarkers in CRT patients has been performed to formulate a critical appraisal of the available data. The main conclusion of our review is that biomarker research in this patient population is very fragmented and broad. This results in the use of non-uniform endpoints to define the CRT response, which precludes an in-depth comparison of the available data. To improve research development in this field, a uniform definition of the CRT response and relevant endpoints is necessary to better predict the CRT response.
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Affiliation(s)
- Ward Heggermont
- Cardiovascular Research Centre, OLV Hospital Aalst, Moorselbaan 164, B, Aalst, Belgium.,Cardiovascular Research Institute Maastricht, Maastricht University, Universiteitssingel 50, Maastricht, The Netherlands
| | - Angelo Auricchio
- Cardiocentro Ticino, Department of Electrophysiology, Via Tesserete 48, CH, Lugano, Switzerland.,Centre for Computational Medicine in Cardiology, Via Buffi 13, CH-6900, Lugano, Switzerland
| | - Marc Vanderheyden
- Cardiovascular Research Centre, OLV Hospital Aalst, Moorselbaan 164, B, Aalst, Belgium
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Myocardial Scar on Surface ECG: Selvester Score, but Not Fragmentation, Predicts Response to CRT. Cardiol Res Pract 2020; 2020:2036545. [PMID: 33014454 PMCID: PMC7525300 DOI: 10.1155/2020/2036545] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 08/28/2020] [Accepted: 08/31/2020] [Indexed: 11/18/2022] Open
Abstract
Purpose Myocardial scar is directly related to the response to CRT after implantation. The extent of myocardial scar can be detected not only by cardiac magnetic resonance but also by two electrocardiographic scores: fragmented QRS (fQRS) and Selvester score (SSc). The aim of our study is to compare the role of baseline SSc and fQRS in predicting response to CRT in a cohort of heart failure patients with true left bundle branch block (LBBB). As a secondary endpoint, we assessed the association of both scores with overall and cardiac mortality, heart failure hospitalizations, ventricular arrhythmias requiring ICD intervention, and major adverse cardiovascular event (MACE). Methods We evaluated fQRS and SSc of 178 consecutive HF patients with severe systolic dysfunction (LVEF ≤ 35%), NYHA class II-III despite optimal medical treatment, and true-LBBB. Response to CRT was defined as the improvement of LVEF of at least 10% or as the reduction of LVESV of at least 15% at a 6-month follow-up. Each endpoint was related to fQRS and SSc. Results SSc ≥7 was significantly associated with the absence of echocardiographic response to CRT (OR: 0.327; 95% C.I. 0.155–0.689; p=0.003), while the presence of fQRS at baseline ECG was not (OR: 1.133; 95% C.I. 0.539–2.381; p=0.742). No correlation was found between SSc and overall mortality, cardiac death, ventricular arrhythmias, hospitalizations due to heart failure, or for MACE. Similar results were observed between fQRS and all secondary endpoints. Conclusion In HF patients with true-LBBB and LVEF ≤35% eligible for CRT, myocardial scar assessed by calculating the SSc on preimplant ECG is an independent predictor of nonresponse after multiple adjustments. Neither SSc nor fQRS is associated with overall and cardiac death, ventricular arrhythmias, or hospitalization for heart failure at a 24-month follow-up.
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Dural M, van Stipdonk AMW, Salden FCWM, Ter Horst I, Crijns HJGM, Meine M, Maass AH, Kloosterman M, Vernooy K. Association of ECG characteristics with clinical and echocardiographic outcome to CRT in a non-LBBB patient population. J Interv Card Electrophysiol 2020; 62:9-19. [PMID: 32918666 DOI: 10.1007/s10840-020-00866-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Accepted: 09/04/2020] [Indexed: 01/14/2023]
Abstract
PURPOSE Effectiveness of cardiac resynchronization therapy (CRT) in patients without left bundle branch block (non-LBBB) QRS morphology is limited. Additional selection criteria are needed to identify these patients. METHODS Seven hundred ninety consecutive patients with non-LBBB morphology, who received a CRT-device in 3 university centers in the Netherlands, were selected. Pre-implantation 12-lead ECGs were evaluated on morphology, duration, and area of the QRS complex, as well as on PR interval, left ventricular activation time (LVAT), and the presence of fragmented QRS (fQRS). Association of these ECG features with the primary endpoint: a combination of left ventricular assist device (LVAD) implantation, cardiac transplantation and all-cause mortality, and secondary endpoint-echocardiographic reduction of left ventricular end-systolic volume (LVESV)-were evaluated. RESULTS The primary endpoint occurred more often in non-LBBB patients with with PR interval ≥ 230ms, QRS area < 109μVs, and with fQRS. Multivariable regression analysis showed independent associations of QRS area (HR 2.33 [1.44, 3.77], p = 0.001) and PR interval (HR 2.03 [1.51, 2.74], p < 0.001) only. Mean LVESV reduction was significantly lower in patients with baseline RBBB, QRS duration < 150 ms, PR interval ≥ 230 ms, and in QRS area < 109 μVs. Multivariable regression analyses only showed significant associations between QRS area ≥ 109 μVs (OR 2.00 [1.09, 3.66] p = 0.025) and probability of echocardiographic response to CRT. CONCLUSIONS In the heterogeneous non-LBBB patient population, QRS area and PR prolongation rather than traditional QRS duration and morphology are associated to both clinical and echocardiographic outcomes of CRT.
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Affiliation(s)
- Muhammet Dural
- Department of Cardiology, Eskişehir Osmangazi University Faculty of Medicine, 26040, Odunpazarı, Eskişehir, Turkey.
| | - Antonius M W van Stipdonk
- Department of Cardiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Centre+, Maastricht, the Netherlands
| | - Floor C W M Salden
- Department of Cardiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Centre+, Maastricht, the Netherlands
| | - Iris Ter Horst
- Department of Cardiology, University Medical Centre Utrecht, Utrecht, the Netherlands
| | - Harry J G M Crijns
- Department of Cardiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Centre+, Maastricht, the Netherlands
| | - Mathias Meine
- Department of Cardiology, University Medical Centre Utrecht, Utrecht, the Netherlands
| | - Alexander H Maass
- Department of Cardiology, University of Groningen, University Medical Centre Groningen, Groningen, the Netherlands
| | - Mariëlle Kloosterman
- Department of Cardiology, University of Groningen, University Medical Centre Groningen, Groningen, the Netherlands
| | - Kevin Vernooy
- Department of Cardiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Centre+, Maastricht, the Netherlands.,Department of Cardiology, Radboud University Medical Centre, Nijmegen, the Netherlands
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A Predictive Model for Super-Response to Cardiac Resynchronization Therapy: The QQ-LAE Score. Cardiol Res Pract 2020; 2020:3856294. [PMID: 32908692 PMCID: PMC7474763 DOI: 10.1155/2020/3856294] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 07/27/2020] [Accepted: 07/31/2020] [Indexed: 11/18/2022] Open
Abstract
Objectives It is important to identify super-responders who can derive most benefits from cardiac resynchronization therapy (CRT). We aimed to establish a scoring model that can be used for predicting super-response to CRT. Methods We retrospectively reviewed 387 CRT patients. Multivariate logistic regression analysis was performed to identify predictors for super-response (defined as an absolute increase in left ventricular ejection fraction of ≥15% at 6-month follow-up) and to create a score model. Multivariate Cox proportional-hazard regression analysis was conducted to assess associations with the long-term endpoint (defined as cardiac death/heart transplant, heart failure (HF) hospitalization, or all-cause death) across the score categories at follow-up. Results Among 387 patients, 109 (28.2%) met super-response. In multivariable analysis, 5 independent predictors (QQ-LAE) were identified: prior no fragmented QRS (odds ratio (OR) = 3.10 (1.39, 6.94)), QRS duration ≥170 ms (OR = 2.37 (1.35, 4.12)), left bundle branch block (OR = 2.57 (1.04, 6.37)), left atrial diameter <45 mm (OR = 3.27 (1.81, 5.89)), and left ventricular end-diastolic dimension <75 mm (OR = 4.11 (1.99, 8.48)). One point was attributed to each predictor, and three score categories were identified. The proportion of super-response after 6-month CRT implantation in patients with scores 0-3, 4, and 5 was 14.6%, 40.3%, and 64.1%, respectively (P < 0.001). Patients with score 5 had an 88% reduction in the risk of cardiac death/heart transplant (P=0.042), a 71% reduction in the risk of HF hospitalization (P=0.048), and an 89% reduction in the risk of all-cause mortality (P=0.028) compared to patients with scores 0-3. Conclusions The QQ-LAE score can be used for prediction of super-response to CRT and selection of most suitable patients in clinical practices.
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Polcwiartek C, Friedman DJ, Emerek K, Graff C, Sørensen PL, Kisslo J, Loring Z, Hansen SM, Kragholm K, Tayal B, Jensen SE, Søgaard P, Torp-Pedersen C, Atwater BD. Concomitant changes in ventricular depolarization and repolarization and long-term outcomes of biventricular pacing. PACING AND CLINICAL ELECTROPHYSIOLOGY: PACE 2020; 43:1333-1343. [PMID: 32901967 DOI: 10.1111/pace.14065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 08/20/2020] [Accepted: 09/06/2020] [Indexed: 11/29/2022]
Abstract
BACKGROUND Biventricular (BiV) pacing increases transmural repolarization heterogeneity due to epicardial to endocardial conduction from the left ventricular (LV) lead. However, limited evidence is available on concomitant changes in ventricular depolarization and repolarization and long-term outcomes of BiV pacing. Therefore, we investigated associations of BiV pacing-induced concomitant changes in ventricular depolarization and repolarization with mortality (i.e., LV assist device, heart transplantation, or all-cause mortality) and sustained ventricular arrhythmia endpoints. METHODS Consecutive BiV-defibrillator recipients with digital preimplantation and postimplantation electrocardiograms recorded between 2006 and 2015 at Duke University Medical Center were included. We calculated changes in QRS duration and corrected JT (JTc) interval and split them by median values. For simplicity, these variables were named QRSdecreased (≤ -12 ms), QRSincreased (> -12 ms), JTcdecreased (≤22 ms), and JTcincreased (> 22 ms) and subsequently used to construct four mutually exclusive groups. RESULTS We included 528 patients (median age, 68 years; male, 69%). No correlation between changes in QRS duration and JTc interval was observed (P = .295). Compared to QRSdecreased /JTcincreased , increased risk of the composite mortality endpoint was associated with QRSdecreased /JTcdecreased (hazard ratio [HR] = 1.62; 95% confidence interval [CI] = 1.09-2.43), QRSincreased /JTcdecreased (HR = 1.86; 95% CI = 1.27-2.71), and QRSincreased /JTcincreased (HR = 2.25; 95% CI = 1.52-3.35). No QRS/JTc group was associated with excess sustained ventricular arrhythmia risk (P = .400). CONCLUSION Among BiV-defibrillator recipients, QRSdecreased /JTcincreased was associated with the most favorable long-term survival free of LV assist device, heart transplantation, and sustained ventricular arrhythmias. Our findings suggest that improved electrical resynchronization may be achieved by assessing concomitant changes in ventricular depolarization and repolarization.
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Affiliation(s)
- Christoffer Polcwiartek
- Division of Cardiology, Duke University Medical Center, Durham, North Carolina.,Department of Cardiology, Aalborg University Hospital, Aalborg, Denmark.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Daniel J Friedman
- Section of Cardiac Electrophysiology, Yale School of Medicine, New Haven, Connecticut
| | - Kasper Emerek
- Department of Cardiology, Aalborg University Hospital, Aalborg, Denmark
| | - Claus Graff
- Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
| | - Peter L Sørensen
- Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
| | - Joseph Kisslo
- Division of Cardiology, Duke University Medical Center, Durham, North Carolina
| | - Zak Loring
- Division of Cardiology, Duke University Medical Center, Durham, North Carolina.,Duke Clinical Research Institute, Durham, North Carolina
| | - Steen M Hansen
- Department of Cardiology, Aalborg University Hospital, Aalborg, Denmark
| | - Kristian Kragholm
- Department of Cardiology, Aalborg University Hospital, Aalborg, Denmark
| | - Bhupendar Tayal
- Department of Cardiology, Aalborg University Hospital, Aalborg, Denmark
| | - Svend E Jensen
- Department of Cardiology, Aalborg University Hospital, Aalborg, Denmark.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Peter Søgaard
- Department of Cardiology, Aalborg University Hospital, Aalborg, Denmark.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Christian Torp-Pedersen
- Department of Cardiology, Aalborg University Hospital, Aalborg, Denmark.,Department of Cardiology and Clinical Research, Nordsjaellands Hospital, Hillerød, Denmark
| | - Brett D Atwater
- Division of Cardiology, Duke University Medical Center, Durham, North Carolina
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Gemmell PM, Gillette K, Balaban G, Rajani R, Vigmond EJ, Plank G, Bishop MJ. A computational investigation into rate-dependant vectorcardiogram changes due to specific fibrosis patterns in non-ischæmic dilated cardiomyopathy. Comput Biol Med 2020; 123:103895. [PMID: 32741753 PMCID: PMC7429989 DOI: 10.1016/j.compbiomed.2020.103895] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Revised: 06/12/2020] [Accepted: 06/27/2020] [Indexed: 01/13/2023]
Abstract
Patients with scar-associated fibrotic tissue remodelling are at greater risk of ventricular arrhythmic events, but current methods to detect the presence of such remodelling require invasive procedures. We present here a potential method to detect the presence, location and dimensions of scar using pacing-dependent changes in the vectorcardiogram (VCG). Using a clinically-derived whole-torso computational model, simulations were conducted at both slow and rapid pacing for a variety of scar patterns within the myocardium, with various VCG-derived metrics being calculated, with changes in these metrics being assessed for their ability to discern the presence and size of scar. Our results indicate that differences in the dipole angle at the end of the QRS complex and differences in the QRS area and duration may be used to predict scar properties. Using machine learning techniques, we were also able to predict the location of the scar to high accuracy, using only these VCG-derived rate-dependent changes as input. Such a non-invasive predictive tool for the presence of scar represents a potentially useful clinical tool for identifying patients at arrhythmic risk.
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Affiliation(s)
- Philip M Gemmell
- King's College London, St. Thomas' Hospital North Wing, London, SE1 7EH, UK.
| | - Karli Gillette
- Medical University of Graz, Division of Biophysics, Neue Stiftingtalstraße 6(MC1.D.)/IV, 8010 Graz, Austria
| | - Gabriel Balaban
- University of Oslo, Research Group for Biomedical Infomatics, Gaustadalléen 23B 0373 Oslo, Norway
| | - Ronak Rajani
- King's College London, St. Thomas' Hospital North Wing, London, SE1 7EH, UK
| | - Edward J Vigmond
- University of Bordeaux, IHU Liryc, Site Hopital Xavier Arnozan, Avenue de Haut-Leveque, 33604 Pessac, France
| | - Gernot Plank
- Medical University of Graz, Division of Biophysics, Neue Stiftingtalstraße 6(MC1.D.)/IV, 8010 Graz, Austria
| | - Martin J Bishop
- King's College London, St. Thomas' Hospital North Wing, London, SE1 7EH, UK
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Calle S, Delens C, Kamoen V, De Pooter J, Timmermans F. Septal flash: At the heart of cardiac dyssynchrony. Trends Cardiovasc Med 2020; 30:115-122. [DOI: 10.1016/j.tcm.2019.03.008] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Revised: 03/31/2019] [Accepted: 03/31/2019] [Indexed: 11/29/2022]
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Salden OA, Vernooy K, van Stipdonk AM, Cramer MJ, Prinzen FW, Meine M. Strategies to Improve Selection of Patients Without Typical Left Bundle Branch Block for Cardiac Resynchronization Therapy. JACC Clin Electrophysiol 2020; 6:129-142. [DOI: 10.1016/j.jacep.2019.11.018] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 11/14/2019] [Accepted: 11/18/2019] [Indexed: 10/25/2022]
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Kloosterman M, van Stipdonk AMW, Ter Horst I, Rienstra M, Van Gelder IC, Vos MA, Prinzen FW, Meine M, Vernooy K, Maass AH. Association between heart failure aetiology and magnitude of echocardiographic remodelling and outcome of cardiac resynchronization therapy. ESC Heart Fail 2020; 7:645-653. [PMID: 31991067 PMCID: PMC7160473 DOI: 10.1002/ehf2.12624] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 12/23/2019] [Accepted: 01/03/2020] [Indexed: 11/25/2022] Open
Abstract
Aims Echocardiographic response after cardiac resynchronization therapy (CRT) is often lesser in ischaemic cardiomyopathy (ICM) than non‐ischaemic dilated cardiomyopathy (NIDCM) patients. We assessed the association of heart failure aetiology on the amount of reverse remodelling and outcome of CRT. Methods and results Nine hundred twenty‐eight CRT patients were retrospectively included. Reverse remodelling and endpoint occurrence (all‐cause mortality, heart transplantation, or left ventricular assist device implantation) was assessed. Two response definitions [≥15% reduction left ventricular end systolic volume (LVESV) and ≥5% improvement left ventricular ejection fraction] and the most accurate cut‐off for the amount of reverse remodelling that predicted endpoint freedom were assessed. Mean follow‐up was 3.8 ± 2.4 years. ICM was present in 47%. ICM patients who were older (69 ± 7 vs. 63 ± 11), more often men (83% vs. 58%), exhibited less LVESV reduction (13 ± 31% vs. 23 ± 32%) and less left ventricular ejection fraction improvement (5 ± 11% vs. 10 ± 12%) than NIDCM patients (all P < 0.001). Nevertheless, every 1% LVESV reduction was associated with a relative reduction in endpoint occurrence: NIDCM 1.3%, ICM 0.9%, and absolute risk reduction was similar (0.4%). The most accurate cut‐off of LVESV reduction that predicted endpoint freedom was 17.1% in NIDCM and 13.2% in ICM. Conclusions ICM patients achieve less reverse remodelling than NIDCM, but the prognostic gain in terms of survival time is the same for every single percentage of reverse remodelling that does occur. The assessment and expected magnitude of reverse remodelling should take this effect of heart failure aetiology into account.
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Affiliation(s)
- Mariëlle Kloosterman
- Department of Cardiology, University of Groningen, University Medical Centre Groningen, PO Box 30.001, Groningen, 9700, RB, The Netherlands
| | | | - Iris Ter Horst
- Department of Cardiology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Michiel Rienstra
- Department of Cardiology, University of Groningen, University Medical Centre Groningen, PO Box 30.001, Groningen, 9700, RB, The Netherlands
| | - Isabelle C Van Gelder
- Department of Cardiology, University of Groningen, University Medical Centre Groningen, PO Box 30.001, Groningen, 9700, RB, The Netherlands
| | - Marc A Vos
- Department of Medical Physiology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Frits W Prinzen
- Department of Physiology, Cardiovascular Research Institute Maastricht (CARIM), University of Maastricht, Maastricht, the Netherlands
| | - Matthias Meine
- Department of Cardiology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Kevin Vernooy
- Department of Cardiology, Maastricht University Medical Center, Maastricht, the Netherlands.,Department of Physiology, Cardiovascular Research Institute Maastricht (CARIM), University of Maastricht, Maastricht, the Netherlands
| | - Alexander H Maass
- Department of Cardiology, University of Groningen, University Medical Centre Groningen, PO Box 30.001, Groningen, 9700, RB, The Netherlands
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Champ-Rigot L, Cornille AL, Ollitrault P, Pellissier A, Chequel M, Legallois D, Milliez P. Predictors of clinical outcomes after cardiac resynchronization therapy in patients ≥75 years of age: a retrospective cohort study. BMC Geriatr 2019; 19:325. [PMID: 31752707 PMCID: PMC6873499 DOI: 10.1186/s12877-019-1351-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Accepted: 11/07/2019] [Indexed: 11/20/2022] Open
Abstract
Background Cardiac resynchronization therapy has been shown to benefit selected patients with heart failure and reduced ejection fraction. Older patients have been underrepresented in randomized trials. This study was conducted to determine whether predictive factors for cardiac resynchronization therapy outcomes differ in patients older and younger than 75 years of age. Methods Consecutive patients who received a cardiac resynchronization device cardiac resynchronization therapy between 2013 and 2016 in our center were retrospectively included in this cohort study. The primary endpoint was cardiac resynchronization therapy effectiveness, which was defined as survival for one year with both no heart failure hospitalization and improvement by one or more NYHA class. The secondary endpoints were mortality, complications, and device therapies. Results Among the 243 patients included, 102 were ≥ 75 years old. Cardiac resynchronization therapy effectiveness was observed in 70 patients (50%) < 75 years old and in 48 patients (47%) ≥75 years old (p = 0.69). NYHA class ≥III (OR = 6.02; CI95% [1.33–18.77], p = 0.002) was a predictive factor for cardiac resynchronization therapy effectiveness only in the ≥75-year-old group, while atrial fibrillation was independently negatively associated with the primary endpoint in the < 75-year-old group (OR = 0.28; CI95% [0.13–0.62], p = 0.001). The one-year mortality rate was 14%, with no difference between age groups. Rescue cardiac resynchronization therapy and atrial fibrillation were independent predictive factors for mortality in both age groups. Eighty-two complications occurred in 45 patients (19%), with no difference between groups. Defibrillator use and QRS duration were independent predictive factors for complications in both age groups. There was no difference between groups considering device therapies. Conclusion At one year, cardiac resynchronization therapy response is not compromised by patient age. In older patients, highly symptomatic individuals with NYHA class ≥III have better outcomes after cardiac resynchronization therapy.
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Affiliation(s)
- Laure Champ-Rigot
- Normandie University, UNICAEN, CHU de Caen Normandie, Service de Cardiologie, EA4650 (Signalisation, électrophysiologie et imagerie des lésions d'ischémie-reperfusion myocardique), 14000, Caen, France.
| | - Anne-Laure Cornille
- Normandie University, UNICAEN, CHU de Caen Normandie, Service de Cardiologie, 14000, Caen, France
| | - Pierre Ollitrault
- Normandie University, UNICAEN, CHU de Caen Normandie, Service de Cardiologie, 14000, Caen, France
| | - Arnaud Pellissier
- Normandie University, UNICAEN, CHU de Caen Normandie, Service de Cardiologie, 14000, Caen, France
| | - Mathieu Chequel
- Normandie University, UNICAEN, CHU de Caen Normandie, Service de Cardiologie, 14000, Caen, France
| | - Damien Legallois
- Normandie University, UNICAEN, CHU de Caen Normandie, Service de Cardiologie, EA4650 (Signalisation, électrophysiologie et imagerie des lésions d'ischémie-reperfusion myocardique), 14000, Caen, France
| | - Paul Milliez
- Normandie University, UNICAEN, CHU de Caen Normandie, Service de Cardiologie, EA4650 (Signalisation, électrophysiologie et imagerie des lésions d'ischémie-reperfusion myocardique), 14000, Caen, France
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Ter Maaten JM, Martens P, L'hoyes W, Maass AH, Damman K, Dupont M, Mullens W. Response to Cardiac Resynchronization Therapy Across Chronic Kidney Disease Stages. J Card Fail 2019; 25:803-811. [DOI: 10.1016/j.cardfail.2019.07.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 05/21/2019] [Accepted: 07/05/2019] [Indexed: 12/28/2022]
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Gorodeski EZ, Magnelli-Reyes C, Moennich LA, Grimaldi A, Rickard J. Cardiac resynchronization therapy-heart failure (CRT-HF) clinic: A novel model of care. PLoS One 2019; 14:e0222610. [PMID: 31536565 PMCID: PMC6752801 DOI: 10.1371/journal.pone.0222610] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Accepted: 09/03/2019] [Indexed: 11/18/2022] Open
Abstract
Background Post-implant care of patients with heart failure (HF) undergoing cardiac resynchronization therapy (CRT) is not addressed in current HF or CRT guidelines and is often fragmented with poor communication between specialties. We sought to develop a new model of post-CRT care which could be implemented in busy clinical settings. Methods and results We designed a novel, multidisciplinary approach to standardizing post CRT care. All patients receiving a CRT device at the Cleveland Clinic between March 2017 and August 2018 were invited to be seen in the clinic 6 months post implant. A one-time collaborative visit encompassing cardiac imaging, heart failure, and electrophysiology care was performed. We recorded the operational feasibility of the clinic in terms of patient throughput as well as patient characteristics, interventions, and new diagnoses made. Between September 2017 and February 2019, 150 patients were seen in the clinic. Of these, 125 patients had their index CRT implanted for standard indications and were included in the current analysis. Approximately 45 minutes were dedicated for each patient visit. Interventions in care were made in 95% of patients, with CRT non-responders offered a higher number of interventions as compared to responders (median 3 versus 2 interventions). Types of interventions were device-related (26% of population), medication-related (74%), and referral for alternate medical services (80%). Conclusions Multidisciplinary post-implant care of patients with HF receiving CRT devices, regardless of CRT response status, is feasible and results in frequent medical interventions.
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Affiliation(s)
- Eiran Z. Gorodeski
- Section of Heart Failure and Cardiac Transplantation, Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio, United States of America
| | - Christina Magnelli-Reyes
- Section of Cardiac Pacing and Electrophysiology, Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio, United States of America
| | - Laurie Ann Moennich
- Heart and Vascular Research, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio, United States of America
| | - Adam Grimaldi
- Section of Cardiac Pacing and Electrophysiology, Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio, United States of America
| | - John Rickard
- Section of Cardiac Pacing and Electrophysiology, Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio, United States of America
- * E-mail:
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50
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Atwater BD, Emerek K, Sørensen PL, Hansen SM, Loring Z, Graff C, Polcwiartek C, Kisslo J, Søgaard P, Friedman DJ. PR Prolongation predicts inadequate resynchronization with biventricular pacing in left bundle branch block. PACING AND CLINICAL ELECTROPHYSIOLOGY: PACE 2019; 42:1477-1485. [PMID: 31509260 DOI: 10.1111/pace.13802] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 09/02/2019] [Accepted: 09/04/2019] [Indexed: 11/29/2022]
Abstract
BACKGROUND PR interval prolongation is associated with poor outcome after cardiac resynchronization therapy (CRT) among patients with left bundle branch block (LBBB) but the mechanisms are unknown. We investigated clinical outcomes, electrocardiogram (ECG), and echocardiogram changes after CRT by PR interval. METHODS This is a retrospective study of CRT recipients with a baseline ejection fraction ≤35% and ECG showing sinus rhythm and LBBB. Patients were stratified by baseline PR interval quartile and the primary combined endpoint was time to heart transplantation, left ventricular assist device (LVAD) implantation, or death. ECG, echocardiogram, and clinical variables were compared to identify mechanisms for observed differences in outcomes. RESULTS Of 291 eligible patients, the mean age was 65 years, 60% were male, and 19% had prior atrial fibrillation. Patients with PR prolongation (quartile 4, PR > 200 ms) more frequently had a history of atrial fibrillation, coronary artery bypass graft surgery, prior implantable cardioverter defibrillator implantation, and use of amiodarone than patients in PR quartiles 1-3. A PR > 200ms was associated with an adjusted hazard ratio of 1.7 (95% CI: 1.1-2.5) for the primary endpoint. Patients with PR > 200 ms had less reduction in QRS duration and QRS area after CRT while having more increase in QT and QTc intervals than patients with PR ≤ 200 ms. No major differences were observed in echocardiography by baseline PR interval quartiles. CONCLUSIONS PR prolongation predicts shorter survival free of heart transplantation or LVAD implantation in patients with LBBB. This may be due to inadequate ventricular resynchronization.
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Affiliation(s)
- Brett D Atwater
- Division of Cardiology, Duke University Medical Center, Durham, North Carolina
| | - Kasper Emerek
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Peter L Sørensen
- Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
| | - Steen M Hansen
- Unit of Epidemiology and Biostatistics, Aalborg University Hospital, Aalborg, Denmark
| | - Zak Loring
- Division of Cardiology, Duke University Medical Center, Durham, North Carolina
| | - Claus Graff
- Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
| | - Christoffer Polcwiartek
- Division of Cardiology, Duke University Medical Center, Durham, North Carolina.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Joseph Kisslo
- Division of Cardiology, Duke University Medical Center, Durham, North Carolina
| | - Peter Søgaard
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark.,Department of Cardiology, Aalborg University Hospital, Aalborg, Denmark
| | - Daniel J Friedman
- Division of Cardiology, Duke University Medical Center, Durham, North Carolina
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