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Fyenbo DB, Sommer A, Nørgaard BL, Kronborg MB, Kristensen J, Gerdes C, Jensen HK, Jensen JM, Nielsen JC. Long-term outcomes in a randomized controlled trial of multimodality imaging-guided left ventricular lead placement in cardiac resynchronization therapy. Europace 2022; 24:828-834. [PMID: 35041000 DOI: 10.1093/europace/euab314] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 12/08/2021] [Indexed: 11/14/2022] Open
Abstract
AIMS This study aims to investigate the long-term occurrence of the composite endpoint of heart failure (HF) hospitalization or all-cause death (primary endpoint) in patients randomized to cardiac resynchronization therapy (CRT) using individualized multimodality imaging-guided left ventricular (LV) lead placement compared with a routine fluoroscopic approach. Furthermore, this study aims to evaluate whether inter-lead electrical delay (IED) is associated with improved response rate of this endpoint. METHODS AND RESULTS We reviewed follow-up data until November 2020 for all 182 patients included in the ImagingCRT trial for the occurrence of HF hospitalization and all-cause death. During median (inter-quartile range) time to primary endpoint/censuring of 6.7 (3.3-7.9) years, the rate of the primary endpoint was 60% (n = 53) in the imaging group compared with 52% (n = 48) in the control group [hazard ratio (HR) 1.22, 95% confidence interval (CI) 0.83-1.81, P = 0.31]. Neither the risk of HF hospitalization (HR 1.11, 95% CI 0.62-1.99, P = 0.72) nor of all-cause death differed between treatment groups (HR 1.23, 95% CI 0.82-1.85, P = 0.32). The risk of the primary endpoint was significantly reduced among those with IED ≥100 ms when compared with those with IED <100 ms (HR 0.62, 95% CI 0.39-0.98, P = 0.04). CONCLUSIONS In this study, an individualized multimodality imaging-guided strategy targeting LV lead placement towards the latest mechanically activated non-scarred myocardial segment during CRT implantation did not reduce HF hospitalization or all-cause death when compared with routine LV lead placement during long-term follow-up. Targeting the latest electrical activation should be studied as an alternative individualized strategy for optimizing LV lead placement in CRT recipients.
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Affiliation(s)
- Daniel Benjamin Fyenbo
- Department of Cardiology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, 8200 Aarhus N, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Anders Sommer
- Department of Cardiology, Aalborg University Hospital, Aalborg, Denmark
| | - Bjarne Linde Nørgaard
- Department of Cardiology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, 8200 Aarhus N, Denmark
| | - Mads Brix Kronborg
- Department of Cardiology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, 8200 Aarhus N, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Jens Kristensen
- Department of Cardiology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, 8200 Aarhus N, Denmark
| | - Christian Gerdes
- Department of Cardiology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, 8200 Aarhus N, Denmark
| | - Henrik Kjærulf Jensen
- Department of Cardiology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, 8200 Aarhus N, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Jesper Møller Jensen
- Department of Cardiology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, 8200 Aarhus N, Denmark
| | - Jens Cosedis Nielsen
- Department of Cardiology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, 8200 Aarhus N, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
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2
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Khamzin S, Dokuchaev A, Bazhutina A, Chumarnaya T, Zubarev S, Lyubimtseva T, Lebedeva V, Lebedev D, Gurev V, Solovyova O. Machine Learning Prediction of Cardiac Resynchronisation Therapy Response From Combination of Clinical and Model-Driven Data. Front Physiol 2022; 12:753282. [PMID: 34970154 PMCID: PMC8712879 DOI: 10.3389/fphys.2021.753282] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 11/22/2021] [Indexed: 11/17/2022] Open
Abstract
Background: Up to 30–50% of chronic heart failure patients who underwent cardiac resynchronization therapy (CRT) do not respond to the treatment. Therefore, patient stratification for CRT and optimization of CRT device settings remain a challenge. Objective: The main goal of our study is to develop a predictive model of CRT outcome using a combination of clinical data recorded in patients before CRT and simulations of the response to biventricular (BiV) pacing in personalized computational models of the cardiac electrophysiology. Materials and Methods: Retrospective data from 57 patients who underwent CRT device implantation was utilized. Positive response to CRT was defined by a 10% increase in the left ventricular ejection fraction in a year after implantation. For each patient, an anatomical model of the heart and torso was reconstructed from MRI and CT images and tailored to ECG recorded in the participant. The models were used to compute ventricular activation time, ECG duration and electrical dyssynchrony indices during intrinsic rhythm and BiV pacing from the sites of implanted leads. For building a predictive model of CRT response, we used clinical data recorded before CRT device implantation together with model-derived biomarkers of ventricular excitation in the left bundle branch block mode of activation and under BiV stimulation. Several Machine Learning (ML) classifiers and feature selection algorithms were tested on the hybrid dataset, and the quality of predictors was assessed using the area under receiver operating curve (ROC AUC). The classifiers on the hybrid data were compared with ML models built on clinical data only. Results: The best ML classifier utilizing a hybrid set of clinical and model-driven data demonstrated ROC AUC of 0.82, an accuracy of 0.82, sensitivity of 0.85, and specificity of 0.78, improving quality over that of ML predictors built on clinical data from much larger datasets by more than 0.1. Distance from the LV pacing site to the post-infarction zone and ventricular activation characteristics under BiV pacing were shown as the most relevant model-driven features for CRT response classification. Conclusion: Our results suggest that combination of clinical and model-driven data increases the accuracy of classification models for CRT outcomes.
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Affiliation(s)
- Svyatoslav Khamzin
- Institute of Immunology and Physiology Ural Branch of the Russian Academy of Sciences, Yekaterinburg, Russia
| | - Arsenii Dokuchaev
- Institute of Immunology and Physiology Ural Branch of the Russian Academy of Sciences, Yekaterinburg, Russia
| | - Anastasia Bazhutina
- Institute of Immunology and Physiology Ural Branch of the Russian Academy of Sciences, Yekaterinburg, Russia.,Ural Federal University, Yekaterinburg, Russia
| | - Tatiana Chumarnaya
- Institute of Immunology and Physiology Ural Branch of the Russian Academy of Sciences, Yekaterinburg, Russia
| | - Stepan Zubarev
- Almazov National Medical Research Centre, Saint Petersburg, Russia
| | | | | | - Dmitry Lebedev
- Almazov National Medical Research Centre, Saint Petersburg, Russia
| | | | - Olga Solovyova
- Institute of Immunology and Physiology Ural Branch of the Russian Academy of Sciences, Yekaterinburg, Russia.,Ural Federal University, Yekaterinburg, Russia
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Wang J, Wang Y, Yang M, Shao S, Tian Y, Shao X, Fan S, Zhang F, Yang W, Xin W, Tang H, Xu M, Yang L, Wang X, Zhou W. Mechanical contraction to guide CRT left-ventricular lead placement instead of electrical activation in myocardial infarction with left ventricular dysfunction: An experimental study based on non-invasive gated myocardial perfusion imaging and invasive electroanatomic mapping. J Nucl Cardiol 2020; 27:419-430. [PMID: 30972718 PMCID: PMC10961107 DOI: 10.1007/s12350-019-01710-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Accepted: 03/29/2019] [Indexed: 12/20/2022]
Abstract
BACKGROUND Whether the region of the latest electrical activation (LEA) corresponds with the segment of the latest mechanical contraction (LMC) in ischemic cardiomyopathy (ICM) is uncertain. We aimed to investigate the relationship between the left-ventricular (LV) viable segments with LEA and with LMC after myocardial infarction (MI) and analyze the acute hemodynamic responses (dP/dtmax) after cardiac resynchronization therapy (CRT) pacing at different LV sites. METHODS AND RESULTS Bama suckling pigs (n = 6) were subjected to create MI models. Both gated myocardial perfusion imaging (GMPI) and electroanatomic mapping (EAM) were performed successfully before MI and 4 weeks after MI. LMC was assessed by phase analysis of GMPI, while LEA was evaluated by EAM. The dP/dtmax was measured before CRT and when the CRT LV electrode was implanted in viable segments of LMC, viable segments of lateral wall and scar, respectively. The viable segments of LEA were consistent with the sites of LMC for five in six cases. The dP/dtmax increased significantly compared with that before CRT when the CRT LV electrode was implanted in viable segments of LMC (1103.33 ± 195.76 vs 717.83 ± 80.74 mmHg·s-1, P = .001), which was also significantly higher than in viable segments of lateral wall (751.17 ± 105.62 mmHg·s-1, P = .000) and scar (679.50 ± 60.87 mmHg·s-1, P = .001). CONCLUSIONS Non-invasive GMPI may be a better option than invasive EAM for guiding LV electrode implantation for CRT in ICM.
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Affiliation(s)
- Jianfeng Wang
- Department of Nuclear Medicine, The Third Affiliated Hospital of Soochow University, Changzhou, 213003, China
| | - Yuetao Wang
- Department of Nuclear Medicine, The Third Affiliated Hospital of Soochow University, Changzhou, 213003, China.
| | - Minfu Yang
- Department of Nuclear Medicine, Beijing Chaoyang Hospital, Capital Medical University, Beijing, 100000, China
| | - Shan Shao
- Department of Cardiology, The Third Affiliated Hospital of Soochow University, Changzhou, 213003, China
| | - Yi Tian
- Department of Nuclear Medicine, Beijing Anzhen Hospital, Capital Medical University, Beijing, 100029, China
| | - Xiaoliang Shao
- Department of Nuclear Medicine, The Third Affiliated Hospital of Soochow University, Changzhou, 213003, China
| | - Shengdeng Fan
- Department of Anesthesiology, The Third Affiliated Hospital of Soochow University, Changzhou, 213003, China
| | - Feifei Zhang
- Department of Nuclear Medicine, The Third Affiliated Hospital of Soochow University, Changzhou, 213003, China
| | - Wei Yang
- Department of Nuclear Medicine, The Third Affiliated Hospital of Soochow University, Changzhou, 213003, China
| | - Wenchong Xin
- Department of Nuclear Medicine, The Third Affiliated Hospital of Soochow University, Changzhou, 213003, China
| | - Haipeng Tang
- School of Computing, University of Southern Mississippi, Long Beach, MS, 39560, USA
| | - Min Xu
- Department of Echocardiogram, The Third Affiliated Hospital of Soochow University, Changzhou, 213003, China
| | - Ling Yang
- Department of Cardiology, The Third Affiliated Hospital of Soochow University, Changzhou, 213003, China
| | - Xiaosong Wang
- Department of Nuclear Medicine, The Third Affiliated Hospital of Soochow University, Changzhou, 213003, China
| | - Weihua Zhou
- School of Computing, University of Southern Mississippi, Long Beach, MS, 39560, USA
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Gauthey A, Willemen E, Lumens J, Ploux S, Bordachar P, Ritter P, Prinzen FW, Lejeune S, Pouleur A, Garnir Q, Marchandise S, Scavée C, Wauters A, Waroux J. Impact of paced left ventricular dyssynchrony on left ventricular reverse remodeling after cardiac resynchronization therapy. J Cardiovasc Electrophysiol 2020; 31:494-502. [DOI: 10.1111/jce.14330] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 12/18/2019] [Accepted: 12/18/2019] [Indexed: 01/24/2023]
Affiliation(s)
- Anaïs Gauthey
- Division of Cardiology, Cliniques Universitaires Saint‐LucUniversité Catholique de Louvain Brussels Belgium
| | - Erik Willemen
- Cardiovascular Research Institute Maastricht (CARIM)Maastricht University Medical Center Maastricht The Netherlands
| | - Joost Lumens
- Cardiovascular Research Institute Maastricht (CARIM)Maastricht University Medical Center Maastricht The Netherlands
| | - Sylvain Ploux
- IHU LYRIC (Institut de Rythmologie et Modélisation Cardiaque)Université de Bordeaux Pessac France
| | - Pierre Bordachar
- IHU LYRIC (Institut de Rythmologie et Modélisation Cardiaque)Université de Bordeaux Pessac France
| | - Philippe Ritter
- IHU LYRIC (Institut de Rythmologie et Modélisation Cardiaque)Université de Bordeaux Pessac France
| | - Frits W. Prinzen
- Cardiovascular Research Institute Maastricht (CARIM)Maastricht University Medical Center Maastricht The Netherlands
| | - Sibille Lejeune
- Division of Cardiology, Cliniques Universitaires Saint‐LucUniversité Catholique de Louvain Brussels Belgium
| | - Anne‐Catherine Pouleur
- Division of Cardiology, Cliniques Universitaires Saint‐LucUniversité Catholique de Louvain Brussels Belgium
| | - Quentin Garnir
- Division of Cardiology, Cliniques Universitaires Saint‐LucUniversité Catholique de Louvain Brussels Belgium
| | - Sébastien Marchandise
- Division of Cardiology, Cliniques Universitaires Saint‐LucUniversité Catholique de Louvain Brussels Belgium
| | - Christophe Scavée
- Division of Cardiology, Cliniques Universitaires Saint‐LucUniversité Catholique de Louvain Brussels Belgium
| | - Aurélien Wauters
- Division of Cardiology, Cliniques Universitaires Saint‐LucUniversité Catholique de Louvain Brussels Belgium
| | - Jean‐Benoit Waroux
- Division of Cardiology, Cliniques Universitaires Saint‐LucUniversité Catholique de Louvain Brussels Belgium
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Stephansen C, Sommer A, Kronborg MB, Jensen JM, Nørgaard BL, Gerdes C, Kristensen J, Jensen HK, Fyenbo DB, Bouchelouche K, Nielsen JC. Electrically vs. imaging-guided left ventricular lead placement in cardiac resynchronization therapy: a randomized controlled trial. Europace 2019; 21:1369-1377. [DOI: 10.1093/europace/euz184] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Accepted: 06/06/2019] [Indexed: 11/13/2022] Open
Abstract
Abstract
Aims
To test in a double-blinded, randomized trial whether the combination of electrically guided left ventricular (LV) lead placement and post-implant interventricular pacing delay (VVd) optimization results in superior increase in LV ejection fraction (LVEF) in cardiac resynchronization therapy (CRT) recipients.
Methods and results
Stratified according to presence of ischaemic heart disease, 122 patients were randomized 1:1 to LV lead placement targeted towards the latest electrically activated segment identified by systematic mapping of the coronary sinus tributaries during CRT implantation combined with post-implant VVd optimization (intervention group) or imaging-guided LV lead implantation by cardiac computed tomography venography, 82Rubidium myocardial perfusion imaging and speckle tracking echocardiography targeting the LV lead towards the latest mechanically activated non-scarred myocardial segment (control group). Follow-up was 6 months. Primary endpoint was absolute increase in LVEF. Additional outcome measures were changes in New York Heart Association class, 6-minute walk test, and quality of life, LV reverse remodelling, and device related complications. Analysis was intention-to-treat. A larger increase in LVEF was observed in the intervention group (11 ± 10 vs. 7 ± 11%; 95% confidence interval 0.4–7.9%, P = 0.03); when adjusting for pre-specified baseline covariates this difference did not maintain statistical significance (P = 0.09). Clinical response, LV reverse remodelling, and complication rates did not differ between treatment groups.
Conclusion
Electrically guided CRT implantation appeared non-inferior to an imaging-guided strategy considering the outcomes of change in LVEF, LV reverse remodelling and clinical response. Larger long-term studies are warranted to investigate the effect of an electrically guided CRT strategy.
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Affiliation(s)
- Charlotte Stephansen
- Department of Cardiology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, Aarhus N, Denmark
| | - Anders Sommer
- Department of Cardiology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, Aarhus N, Denmark
| | - Mads Brix Kronborg
- Department of Cardiology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, Aarhus N, Denmark
| | - Jesper Møller Jensen
- Department of Cardiology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, Aarhus N, Denmark
| | - Bjarne Linde Nørgaard
- Department of Cardiology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, Aarhus N, Denmark
| | - Christian Gerdes
- Department of Cardiology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, Aarhus N, Denmark
| | - Jens Kristensen
- Department of Cardiology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, Aarhus N, Denmark
| | - Henrik Kjærulf Jensen
- Department of Cardiology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, Aarhus N, Denmark
| | - Daniel Benjamin Fyenbo
- Department of Cardiology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, Aarhus N, Denmark
| | - Kirsten Bouchelouche
- Department of Nuclear Medicine, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, Aarhus N, Denmark
| | - Jens Cosedis Nielsen
- Department of Cardiology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, Aarhus N, Denmark
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