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Reza S, Kovarovic B, Bluestein D. Assessing Post-TAVR Cardiac Conduction Abnormalities Risk Using a Digital Twin of a Beating Heart. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2024:2024.03.28.24305028. [PMID: 38585979 PMCID: PMC10996731 DOI: 10.1101/2024.03.28.24305028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
Transcatheter aortic valve replacement (TAVR) has rapidly displaced surgical aortic valve replacement (SAVR). However, certain post-TAVR complications persist, with cardiac conduction abnormalities (CCA) being one of the major ones. The elevated pressure exerted by the TAVR stent onto the conduction fibers situated between the aortic annulus and the His bundle, in proximity to the atrioventricular (AV) node, may disrupt the cardiac conduction leading to the emergence of CCA. In his study, an in-silico framework was developed to assess the CCA risk, incorporating the effect of a dynamic beating heart and pre-procedural parameters such as implantation depth and preexisting cardiac asynchrony in the new onset of post-TAVR CCA. A self-expandable TAVR device deployment was simulated inside an electro-mechanically coupled beating heart model in five patient scenarios, including three implantation depths, and two preexisting cardiac asynchronies: (i) a right bundle branch block (RBBB) and (ii) a left bundle branch block (LBBB). Subsequently, several biomechanical parameters were analyzed to assess the post-TAVR CCA risk. The results manifested a lower cumulative contact pressure on the conduction fibers following TAVR for aortic deployment (0.018 MPa) compared to baseline (0.29 MPa) and ventricular deployment (0.52 MPa). Notably, the preexisting RBBB demonstrated a higher cumulative contact pressure (0.34 MPa) compared to the baseline and preexisting LBBB (0.25 MPa). Deeper implantation and preexisting RBBB cause higher stresses and contact pressure on the conduction fibers leading to an increased risk of post-TAVR CCA. Conversely, implantation above the MS landmark and preexisting LBBB reduces the risk.
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Miazza J, Winkel D, Thieringer F, Reuthebuch O, Eckstein F, Gahl B, Berdajs D. Aortic root rotation: morphological analysis of the aortic root with three-dimensional computed tomography. Eur J Cardiothorac Surg 2024; 65:ezae040. [PMID: 38310332 DOI: 10.1093/ejcts/ezae040] [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: 11/03/2023] [Revised: 01/11/2024] [Accepted: 01/31/2024] [Indexed: 02/05/2024] Open
Abstract
OBJECTIVES The aortic root (AoR) rotation and its spatial morphology at the base of the heart were postulated but not described in every detail. AoR rotation modalities may play an important role in decision-making during AoR surgery and its outcome. The aim was to provide a detailed spatial anatomy of the AoR rotation and its relation to the vital surrounding structure. METHODS The AoR rotation and its relation to the surrounding structure were assessed in 104 patients with tricuspid aortic valve. The interatrial septum was chosen as a reference to describe AoR rotation that marked the midline of the heart base as a landmark for the AoR rotation direction. Intermediate, clockwise and counterclockwise AoR rotations were defined based on the mentioned reference structures. RESULTS The AoR rotation was successfully assessed in 104 patients undergoing ascending aorta and or AoR intervention by multidetector row computed tomography. AoR was positioned normally in 53.8% of cases (n = 56) and rotated counterclockwise in 5.8% (n = 6) and clockwise in 40.4% (n = 42) of cases. In clockwise AoR rotation, the right coronary sinus was positioned in proximity to the right atrium and of the tricuspid valve, whereas in a counterclockwise rotation, the noncoronary sinus was placed over the tricuspid valve just over the membranous septum. CONCLUSIONS The AoR's rotation can be diagnosed using multidetector row computed tomography. Understanding the anatomy of the aortic valve related to rotational position helps guide surgical decision-making in performing AoR reconstruction.
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Affiliation(s)
- Jules Miazza
- Department of Cardiac Surgery, University Hospital Basel, Basel, Switzerland
| | - David Winkel
- Department of Radiology, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Florian Thieringer
- Medical Additive Manufacturing Research Group (Swiss MAM), Department of Biomedical Engineering, University of Basel, Allschwil, Switzerland
- Department of Oral and Cranio-Maxillofacial Surgery, University Hospital Basel, Basel, Switzerland
| | - Oliver Reuthebuch
- Department of Cardiac Surgery, University Hospital Basel, Basel, Switzerland
| | - Friedrich Eckstein
- Department of Cardiac Surgery, University Hospital Basel, Basel, Switzerland
| | - Brigitta Gahl
- Department of Cardiac Surgery, University Hospital Basel, Basel, Switzerland
| | - Denis Berdajs
- Department of Cardiac Surgery, University Hospital Basel, Basel, Switzerland
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Tucker DL, Lee LJ, Ahmad M, Shaheen N, Gupta S, Najm HK, Hammoud MS, Tretter JT, Karamlou T. Surgical strategies to address re-operative complex left ventricular outflow tract and thoracic aortic pathology: Cleveland Clinic children's experience. Cardiol Young 2023; 33:2559-2566. [PMID: 37013896 DOI: 10.1017/s1047951122003936] [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] [Indexed: 04/05/2023]
Abstract
BACKGROUND Complex patients requiring operations on the left ventricular outflow tract, aortic valve, or thoracic aorta after previous repair of aortopathy constitute a challenging group, with limited information guiding decision-making. We aimed to use our institutional experience to highlight management challenges and describe surgical pearls to address them. METHODS Forty-one complex patients with surgery on the left ventricular outflow tract, aortic valve, or aorta at Cleveland Clinic Children's between 2016 and 2021 following previous repair of aortic pathology were retrospectively reviewed. Patients with known connective tissue disease or single ventricle circulation were excluded. RESULTS Median age at index procedure was 23 years (range 0.25-48) with median of 2 prior sternotomies. Previous aortic operations included subvalvular (n = 9), valvular (n = 6), supravalvular (n = 13), and multi-level surgeries (n = 13). Four deaths occurred in median follow-up of 2.5 years. Mean left ventricular outflow tract gradients improved significantly for patients with obstruction (34.9 ± 17.5 mmHg versus 12.6 ± 6.0 mmHg; p < 0.001). Technical pearls include the following: 1) liberal use of anterior aortoventriculoplasty with valve replacement; 2) primarily anterior aortoventriculoplasty following the subpulmonary conus in contrast to more vertical incision for post-arterial switch operation patients; 3) pre-operative imaging of mediastinum and peripheral vasculature for cannulation and sternal re-entry; and 4) proactive use of multi-site peripheral cannulation. CONCLUSIONS Operation to address the left ventricular outflow tract, aortic valve, or aorta following prior congenital aortic repair can be accomplished with excellent outcomes despite high complexity. These procedures commonly include multiple components, including concomitant valve interventions. Cannulation strategies and anterior aortoventriculoplasty in specific patients require modifications.
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Affiliation(s)
- Dominique L Tucker
- Department of Thoracic and Cardiothoracic Surgery, Cleveland Clinic, Cleveland, OH, USA
- Case Western Reserve University School of Medicine, Cleveland, OH, USA
| | - Leah J Lee
- Department of Thoracic and Cardiothoracic Surgery, Cleveland Clinic, Cleveland, OH, USA
| | - Munir Ahmad
- Division of Pediatric Cardiac Surgery and the Heart, Vascular, and Thoracic Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Naseeb Shaheen
- Department of Thoracic and Cardiothoracic Surgery, Cleveland Clinic, Cleveland, OH, USA
| | - Sohini Gupta
- Department of Thoracic and Cardiothoracic Surgery, Cleveland Clinic, Cleveland, OH, USA
- Case Western Reserve University School of Medicine, Cleveland, OH, USA
| | - Hani K Najm
- Division of Pediatric Cardiac Surgery and the Heart, Vascular, and Thoracic Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Miza Salim Hammoud
- Division of Pediatric Cardiac Surgery and the Heart, Vascular, and Thoracic Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Justin T Tretter
- Department of Pediatric Cardiology, Cleveland Clinic Children's, and the Heart, Vascular, and Thoracic Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Tara Karamlou
- Division of Pediatric Cardiac Surgery and the Heart, Vascular, and Thoracic Institute, Cleveland Clinic, Cleveland, OH, USA
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Anderson RH, Spicer DE, Sánchez-Quintana D, Macias Y, Kapadia S, Tretter JT. Relationship between the aortic root and the atrioventricular conduction axis. Heart 2023; 109:1811-1818. [PMID: 37400231 DOI: 10.1136/heartjnl-2023-322716] [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: 03/23/2023] [Accepted: 05/10/2023] [Indexed: 07/05/2023] Open
Abstract
Damage to the atrioventricular conduction axis continues to be a problem subsequent to transcatheter implantation of aortic valvar prostheses. Accurate knowledge of the precise relationships of the conduction axis relative to the aortic root could greatly reduce the risk of such problems. Current diagrams highlighting these relationships rightly focus on the membranous septum. The current depictions, however, overlook a potentially important relationship between the superior fascicle of the left bundle branch and the nadir of the semilunar hinge of the right coronary leaflet of the aortic valve. Recent histological investigations demonstrate, in many instances, a very close relationship between the left bundle branch and the right coronary aortic leaflet. The findings also highlight two additional variable features, which can be revealed by clinical imaging. The first of these is the extent of an inferoseptal recess of the left ventricular outflow tract. The second is the extent of rotation of the aortic root within the base of the left ventricle. Much more of the conduction axis is within the confines of the circumference of the outflow tract when the root is rotated in counterclockwise fashion as assessed from the perspective of the imager, with this finding itself associated with a much narrower inferoseptal recess. A clear understanding of the marked variability within the aortic root is key to avoiding future problems with atrioventricular conduction.
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Affiliation(s)
- Robert H Anderson
- Biosciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Diane E Spicer
- Heart Institute, Johns Hopkins All Children's Hospital, St Petersburg, Florida, USA
| | | | - Yolanda Macias
- Department of Medical and Surgical Therapeutics, University of Extremadura, Badajoz, Spain
| | - Samir Kapadia
- Cardiovascular Medicine Department, Heart, Vascular & Thoracic Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA
| | - Justin T Tretter
- Cardiovascular Medicine Department, Heart, Vascular & Thoracic Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA
- Department of Pediatric Cardiology, Cleveland Clinic Children's, Cleveland, Ohio, USA
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5
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王 蔚, 孙 泽, 辛 然, 丁 熠, 刘 子, 王 玺, 王 晶, 单 冬, 刘 长. [Calcification distributional density of the aortic-valvular complex is an independent risk factor for conduction block following self-expanding transcatheter aortic valve replacement]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2023; 43:1901-1908. [PMID: 38081608 PMCID: PMC10713467 DOI: 10.12122/j.issn.1673-4254.2023.11.10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Indexed: 12/18/2023]
Abstract
OBJECTIVE To evaluate the effect of calcification distributional density in different regions of aortic-valvular complex (AVC) on postoperative new-onset conduction block (CB) following transcatheter aortic valve replacement (TAVR) using self-expandable valves (SEV) made in China. METHODS From January, 2016 to December, 2022, 73 patients with severe aortic valve stenosis received Venus-A prosthetic valve replacement using SEV made in China, and postoperative new-onset CB occurred in 18 (24.7%) of the patients. The baseline data, imaging and intervention- related data were compared were between the patients with CB and those without CB. Univariate and multivariate logistic regression analysis was used for investigating the independent risk factors for new- onset CB after TAVR, and the predictive performance of these risk factors was evaluated using receiver operating characteristic (ROC) curve and DeLong test. RESULTS Compared with those with CB, the patients experiencing postoperative new-onset CB had a greater implantation depth (6.77±2.45 mm vs 5.11±3.28 mm, P=0.027), a smaller difference between the membranous septum length and the implantation depth (MSID) (0.68±3.49 mm vs 2.82±3.88 mm, P= 0.036), and a higher calcification distributional density of the left coronary sinus (LCS) in the device landing zone (DLZ) (P= 0.026). Multivariate logistic analysis revealed that DLZ-LCS calcification distributional density and MSID were independent risk (protective) factors for new-onset CB following TAVR. ROC curve analysis showed that the AUC of MSID and DLZ-LCS calcification distributional density was 0.775 and 0.716, respectively, and their combination had had a significantly higher AUC of 0.890 (P=0.041 and 0.027, respectively). CONCLUSION The DLZ-LCS calcification distributional density is an independent risk factor for new-onset CB following TAVR using SEV. The conduction complications following TAVR can be effectively predicted using this calcification indicator combined with MSID.
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Affiliation(s)
- 蔚然 王
- 中国人民解放军总医院第一医学中心心内科,北京 100853Department of Cardiology, First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - 泽瑜 孙
- 中国人民解放军总医院第六医学中心心血管病医学部,北京 100048Senior Department of Cardiology, Sixth Medical Center of Chinese PLA General Hospital, Beijing 100048, China
- 南开大学医学院,天津 300071School of Medicine, Nankai University, Tianjin 300071, China
| | - 然 辛
- 中国人民解放军总医院第六医学中心心血管病医学部,北京 100048Senior Department of Cardiology, Sixth Medical Center of Chinese PLA General Hospital, Beijing 100048, China
- 南开大学医学院,天津 300071School of Medicine, Nankai University, Tianjin 300071, China
| | - 熠璞 丁
- 中国人民解放军总医院第六医学中心心血管病医学部,北京 100048Senior Department of Cardiology, Sixth Medical Center of Chinese PLA General Hospital, Beijing 100048, China
- 南开大学医学院,天津 300071School of Medicine, Nankai University, Tianjin 300071, China
| | - 子暖 刘
- 中国人民解放军总医院第六医学中心心血管病医学部,北京 100048Senior Department of Cardiology, Sixth Medical Center of Chinese PLA General Hospital, Beijing 100048, China
- 南开大学医学院,天津 300071School of Medicine, Nankai University, Tianjin 300071, China
| | - 玺 王
- 中国人民解放军总医院第六医学中心心血管病医学部,北京 100048Senior Department of Cardiology, Sixth Medical Center of Chinese PLA General Hospital, Beijing 100048, China
| | - 晶 王
- 中国人民解放军总医院第六医学中心心血管病医学部,北京 100048Senior Department of Cardiology, Sixth Medical Center of Chinese PLA General Hospital, Beijing 100048, China
| | - 冬凯 单
- 中国人民解放军总医院第六医学中心心血管病医学部,北京 100048Senior Department of Cardiology, Sixth Medical Center of Chinese PLA General Hospital, Beijing 100048, China
| | - 长福 刘
- 中国人民解放军总医院第六医学中心心血管病医学部,北京 100048Senior Department of Cardiology, Sixth Medical Center of Chinese PLA General Hospital, Beijing 100048, China
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Halapas A, Koliastasis L, Doundoulakis I, Antoniou CK, Stefanadis C, Tsiachris D. Transcatheter Aortic Valve Implantation and Conduction Disturbances: Focus on Clinical Implications. J Cardiovasc Dev Dis 2023; 10:469. [PMID: 37998527 PMCID: PMC10672026 DOI: 10.3390/jcdd10110469] [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: 10/04/2023] [Revised: 11/06/2023] [Accepted: 11/15/2023] [Indexed: 11/25/2023] Open
Abstract
Transcatheter aortic valve implantation (TAVI) is an established alternative to surgery in patients with symptomatic severe aortic stenosis and has expanded its indications to even low-surgical-risk patients. Conduction abnormalities (CA) and permanent pacemaker (PPM) implantations remain a relatively common finding post TAVI due to the close proximity of the conduction system to the aortic root. New onset left bundle branch block (LBBB) and high-grade atrioventricular block are the most commonly reported CA post TAVI. The overall rate of PPM implantation post TAVI varies and is related to pre- and intra-procedural factors. Therefore, when screening patients for TAVI, Heart Teams should take under consideration the various anatomical, pathophysiological and procedural conditions that predispose to CA and PPM requirement after the procedure. This is particularly important as TAVI is being offered to younger patients with longer life-expectancy. Herein, we highlight the incidence, predictors, impact and management of CA in patients undergoing TAVI.
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Affiliation(s)
- Antonios Halapas
- Department of Interventional Cardiologist and THV Program, Athens Medical Center, 11526 Athens, Greece;
| | - Leonidas Koliastasis
- Department of Cardiology, Centre Hospitalier Universitaire Saint-Pierre, Université Libre de Bruxelles (ULB), 1000 Brussels, Belgium;
| | - Ioannis Doundoulakis
- First Department of Cardiology, National and Kapodistrian University, “Hippokration” Hospital, 11527 Athens, Greece; (C.-K.A.); (D.T.)
- Athens Heart Centre, Athens Medical Centre, 11526 Athens, Greece;
| | - Christos-Konstantinos Antoniou
- First Department of Cardiology, National and Kapodistrian University, “Hippokration” Hospital, 11527 Athens, Greece; (C.-K.A.); (D.T.)
- Athens Heart Centre, Athens Medical Centre, 11526 Athens, Greece;
| | | | - Dimitrios Tsiachris
- First Department of Cardiology, National and Kapodistrian University, “Hippokration” Hospital, 11527 Athens, Greece; (C.-K.A.); (D.T.)
- Athens Heart Centre, Athens Medical Centre, 11526 Athens, Greece;
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7
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Karki R, Raina A, Ezzeddine FM, Bois MC, Asirvatham SJ. Anatomy and Pathology of the Cardiac Conduction System. Cardiol Clin 2023; 41:277-292. [PMID: 37321681 DOI: 10.1016/j.ccl.2023.03.016] [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] [Indexed: 06/17/2023]
Abstract
The cardiac conduction system is formed of histologically and electrophysiologically distinct specialized tissues uniquely located in the human heart. Understanding the anatomy and pathology of the cardiac conduction system is imperative to an interventional electrophysiologist to perform safe ablation and device therapy for the management of cardiac arrhythmias and heart failure. The current review summarizes the normal and developmental anatomy of the cardiac conduction system, its variation in the normal heart and congenital anomalies, and its pathology and discusses important clinical pearls for the proceduralist.
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Affiliation(s)
- Roshan Karki
- Department of Cardiovascular Medicine, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
| | - Anvi Raina
- Department of Cardiovascular Medicine, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
| | - Fatima M Ezzeddine
- Department of Cardiovascular Medicine, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
| | - Melanie C Bois
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN 55905, USA
| | - Samuel J Asirvatham
- Department of Cardiovascular Medicine, Mayo Clinic College of Medicine, Rochester, MN 55905, USA.
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8
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Cheung CC, Mori S, Gerstenfeld EP. Iatrogenic Atrioventricular Block. Cardiol Clin 2023; 41:419-428. [PMID: 37321692 DOI: 10.1016/j.ccl.2023.03.009] [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] [Indexed: 06/17/2023]
Abstract
Iatrogenic atrioventricular (AV) block can occur in the context of cardiac surgery, percutaneous transcatheter, or electrophysiologic procedures. In cardiac surgery, patients undergoing aortic and/or mitral valve surgery are at the highest risk for developing perioperative AV block requiring permanent pacemaker implantation. Similarly, patients undergoing transcatheter aortic valve replacement are also at increased risk for developing AV block. Electrophysiologic procedures, including catheter ablation of AV nodal re-entrant tachycardia, septal accessory pathways, para-Hisian atrial tachycardia, or premature ventricular complexes, are also associated with risk of AV conduction system injury. In this article, we summarize the common causes for iatrogenic AV block, predictors for AV block, and general management considerations.
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Affiliation(s)
- Christopher C Cheung
- Section of Cardiac Electrophysiology, Division of Cardiology, University of California San Francisco, MU-East 4th Floor, 500 Parnassus Avenue, San Francisco, CA 94143, USA
| | - Shumpei Mori
- UCLA Cardiac Arrhythmia Center, University of California Los Angeles, Center of the Health Science, #46-131, 650 Charles E. Young Drive South, Los Angeles, CA 90095, USA
| | - Edward P Gerstenfeld
- Section of Cardiac Electrophysiology, Division of Cardiology, University of California San Francisco, MU-East 4th Floor, 500 Parnassus Avenue, San Francisco, CA 94143, USA.
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9
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Tretter JT, Burbano-Vera NH, Najm HK. Multi-modality imaging evaluation and pre-surgical planning for aortic valve-sparing operations in patients with aortic root aneurysm. Ann Cardiothorac Surg 2023; 12:295-317. [PMID: 37554720 PMCID: PMC10405341 DOI: 10.21037/acs-2023-avs2-0040] [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: 03/13/2023] [Accepted: 05/30/2023] [Indexed: 08/10/2023]
Abstract
Cardiac computed tomography (CT) and magnetic resonance (CMR) supplement echocardiography in the evaluation of those with aortic root and ascending aortic dilation, determining timing for intervention, guiding pre-surgical planning and post-operative surveillance. The dynamic, three-dimensional complexity of the aortic root and how it relates to the base of the left ventricle must be understood in any surgical approach addressing the aneurysmal aortic root. With improved imaging technology and the importance for proper patient counseling, it is no longer acceptable to enter the operating theater without a detailed blue print of what the problem is, and how best to address it. In addition, reliance on surgical expertise alone for intraoperative evaluation and decision making could be suboptimal due to the unloaded condition of the aortic root and the variance of experience of the surgeons to successfully repair the aortic valve. This is exemplified by the selective surgeons and centers who have the ability to tackle these aortic valve and root pathologies, compared to mitral valve repair techniques that have been codified and are generalizable. This review discusses a multimodality imaging approach in the patient with aortic root aneurysm, focusing on the precision added with pre-surgical CT assessment to guide aortic-valve sparing operations. This precision is afforded with a detailed understanding of the anatomy of the aortic root and underlying support, and its accurate evaluation by standard two- and three-dimensional imaging. Furthermore, we describe the evolving ability to predict the location of ventricular components of the atrioventricular conduction axis with further clinical imaging to personalize surgical strategies.
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Affiliation(s)
- Justin T. Tretter
- Valve Procedural Planning Center, Department of Pediatric Cardiology and Division of Pediatric Cardiac Surgery, Cleveland Clinic Children’s, and The Heart, Vascular, and Thoracic Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Nelson H. Burbano-Vera
- Department of Cardiothoracic Anesthesiology, Anesthesiology Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Hani K. Najm
- Valve Procedural Planning Center, Department of Pediatric Cardiology and Division of Pediatric Cardiac Surgery, Cleveland Clinic Children’s, and The Heart, Vascular, and Thoracic Institute, Cleveland Clinic, Cleveland, OH, USA
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10
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Wang B, Mei Z, Ge X, Li Y, Zhou Q, Meng X, An G. Comparison of outcomes of self-expanding versus balloon-expandable valves for transcatheter aortic valve replacement: a meta-analysis of randomized and propensity-matched studies. BMC Cardiovasc Disord 2023; 23:382. [PMID: 37525092 PMCID: PMC10388567 DOI: 10.1186/s12872-023-03397-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 07/14/2023] [Indexed: 08/02/2023] Open
Abstract
BACKGROUND The postoperative outcomes of transcatheter aortic valve replacement (TAVR) with the new generation of self-expanding valves (SEV) and balloon-expandable valves (BEV) remain uncertain. METHODS We conducted a meta-analysis based on randomized controlled trials (RCTs) and propensity score-matched (PSM) studies to evaluate the performance of the new generation TAVR devices, with a focus on Edwards SAPIEN 3/Ultra BEV, Medtronic Evolut R/PRO SEV, and Boston ACURATE neo SEV. Our primary endpoints were mortality and complications at both 30 days and one year post-operation. RESULTS A total of 4 RCTs and 14 PSM studies were included. Our findings showed no significant difference between SEV and BEV regarding 30-day and 1-year mortality rates. ACURATE SEV required less permanent pacemaker implantation (PPI) at 30-day as compared to SAPIEN BEV, while Evolut SEV required a higher rate of PPI than SAPIEN BEV. The incidence of stroke, major or life-threatening bleeding (MLTB), major vascular complications (MVC), coronary artery obstruction (CAO) and acute kidney injury (AKI) did not differ significantly between the two groups. SEV had a larger effective orifice area (EOA) and lower mean transvalvular gradients (MPG) compared to BEV. However, there was an increased risk of paravalvular leakage (PVL) associated with SEV. CONCLUSIONS In terms of 30-day mortality, stroke, bleeding, MVC, AKI, CAO, and one-year mortality, there was comparability between the two valve types following TAVR. SEV was associated with better hemodynamic outcomes, except for a higher incidence of PVL. Compared to SAPIEN BEV, ACURATE SEV had a lower risk of PPI at 30 days, while Evolut SEV was associated with a higher risk of PPI. These findings underscore the importance of personalized valve selection.
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Affiliation(s)
- Baiqiang Wang
- National Key Laboratory for Innovation and Transformation of Luobing Theory; The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, Qilu Hospital of Shandong University, Jinan, China
| | - Zeyuan Mei
- National Key Laboratory for Innovation and Transformation of Luobing Theory; The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, Qilu Hospital of Shandong University, Jinan, China
| | - Xiao Ge
- National Key Laboratory for Innovation and Transformation of Luobing Theory; The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, Qilu Hospital of Shandong University, Jinan, China
| | - Yunyi Li
- National Key Laboratory for Innovation and Transformation of Luobing Theory; The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, Qilu Hospital of Shandong University, Jinan, China
| | - Quan Zhou
- National Key Laboratory for Innovation and Transformation of Luobing Theory; The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, Qilu Hospital of Shandong University, Jinan, China
| | - Xiao Meng
- National Key Laboratory for Innovation and Transformation of Luobing Theory; The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, Qilu Hospital of Shandong University, Jinan, China
| | - Guipeng An
- National Key Laboratory for Innovation and Transformation of Luobing Theory; The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, Qilu Hospital of Shandong University, Jinan, China.
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11
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Alabdaljabar MS, Eleid MF. Risk Factors, Management, and Avoidance of Conduction System Disease after Transcatheter Aortic Valve Replacement. J Clin Med 2023; 12:4405. [PMID: 37445439 DOI: 10.3390/jcm12134405] [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: 05/05/2023] [Revised: 06/14/2023] [Accepted: 06/26/2023] [Indexed: 07/15/2023] Open
Abstract
Transcatheter valve replacement (TAVR) is a rapidly developing modality to treat patients with aortic stenosis (AS). Conduction disease post TAVR is one of the most frequent and serious complications experienced by patients. Multiple factors contribute to the risk of conduction disease, including AS and the severity of valve calcification, patients' pre-existing conditions (i.e., conduction disease, anatomical variations, and short septum) in addition to procedure-related factors (e.g., self-expanding valves, implantation depth, valve-to-annulus ratio, and procedure technique). Detailed evaluation of risk profiles could allow us to better prevent, recognize, and treat this entity. Available evidence on management of conduction disease post TAVR is based on expert opinion and varies widely. Currently, conduction disease in TAVR patients is managed depending on patient risk, with minimal-to-no inpatient/outpatient observation, inpatient monitoring (24-48 h) followed by ambulatory monitoring, or either prolonged inpatient and outpatient monitoring or permanent pacemaker implantation. Herein, we review the incidence and risk factors of TAVR-associated conduction disease and discuss its management.
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Affiliation(s)
| | - Mackram F Eleid
- Division of Interventional Cardiology, Department of Cardiovascular Medicine, Mayo Clinic, 200 First St. SW, Rochester, MN 55905, USA
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12
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Mori S, Aksoy O, Do DH, Dave RH, Shivkumar K. Transcatheter Aortic Valve Replacement Guided by Preprocedural Simulation of Fluoroscopic Location of the Membranous Septum. JACC Case Rep 2023; 16:101888. [PMID: 37396330 PMCID: PMC10313484 DOI: 10.1016/j.jaccas.2023.101888] [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: 10/19/2022] [Revised: 02/15/2023] [Accepted: 03/01/2023] [Indexed: 07/04/2023]
Abstract
We show the virtual simulation of the fluoroscopic location of the membranous septum using preprocedural cardiac computed tomographic data sets. Recognizing the risk distance before the procedure can help individualize implantation strategy to reduce the risk of atrioventricular conduction axis damage during transcatheter aortic valve replacement. (Level of Difficulty: Advanced.).
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Affiliation(s)
- Shumpei Mori
- UCLA Cardiac Arrhythmia Center, UCLA Health System, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | - Olcay Aksoy
- UCLA Cardiovascular Interventional Programs, David Geffen School of Medicine at UCLA and UCLA Health System, Los Angeles, California, USA
| | - Duc H. Do
- UCLA Cardiac Arrhythmia Center, UCLA Health System, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | - Ravi H. Dave
- UCLA Cardiovascular Interventional Programs, David Geffen School of Medicine at UCLA and UCLA Health System, Los Angeles, California, USA
| | - Kalyanam Shivkumar
- UCLA Cardiac Arrhythmia Center, UCLA Health System, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
- UCLA Cardiovascular Interventional Programs, David Geffen School of Medicine at UCLA and UCLA Health System, Los Angeles, California, USA
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13
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Lauten P, Costello-Boerrigter LC, Goebel B, Gonzalez-Lopez D, Schreiber M, Kuntze T, Al Jassem M, Lapp H. Transcatheter Aortic Valve Implantation: Addressing the Subsequent Risk of Permanent Pacemaker Implantation. J Cardiovasc Dev Dis 2023; 10:230. [PMID: 37367395 PMCID: PMC10299451 DOI: 10.3390/jcdd10060230] [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: 04/26/2023] [Revised: 05/17/2023] [Accepted: 05/22/2023] [Indexed: 06/28/2023] Open
Abstract
Transcatheter aortic valve implantation (TAVI) is now a commonly used therapy in patients with severe aortic stenosis, even in those patients at low surgical risk. The indications for TAVI have broadened as the therapy has proven to be safe and effective. Most challenges associated with TAVI after its initial introduction have been impressively reduced; however, the possible need for post-TAVI permanent pacemaker implantation (PPI) secondary to conduction disturbances continues to be on the radar. Conduction abnormalities post-TAVI are always of concern given that the aortic valve lies in close proximity to critical components of the cardiac conduction system. This review will present a summary of noteworthy pre-and post-procedural conduction blocks, the best use of telemetry and ambulatory device monitoring to avoid unnecessary PPI or to recognize the need for late PPI due to delayed high-grade conduction blocks, predictors to identify those patients at greatest risk of requiring PPI, important CT measurements and considerations to optimize TAVI planning, and the utility of the MInimizing Depth According to the membranous Septum (MIDAS) technique and the cusp-overlap technique. It is stressed that careful membranous septal (MS) length measurement by MDCT during pre-TAVI planning is necessary to establish the optimal implantation depth before the procedure to reduce the risk of compression of the MS and consequent damage to the cardiac conduction system.
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Affiliation(s)
- Philipp Lauten
- Department of Cardiology, Heart Center, Zentralklinik Bad Berka, Robert-Koch-Allee 9, 99437 Bad Berka, Germany (B.G.); (H.L.)
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14
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Sato S, Ninomiya R, Tosaka K, Koeda Y, Fusazaki T, Kin H, Morino Y. Risk of Coronary Occlusion Due to Sinus Sequestration by Redo Transcatheter Aortic Valve Implantation in Japanese Patients With SAPIEN 3. Circ Rep 2023; 5:217-224. [PMID: 37180474 PMCID: PMC10166666 DOI: 10.1253/circrep.cr-23-0039] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 04/10/2023] [Indexed: 05/16/2023] Open
Abstract
Background: Transcatheter aortic valve (TAV)-in-TAV is an attractive treatment for degenerated TAV. The risk of coronary artery occlusion due to sequestration of the sinus of Valsalva (SOV) in TAV-in-TAV has been reported, but the risk in Japanese patients is unknown. This study aimed to investigate the proportion of Japanese patients who are expected to experience difficulty with the second TAV implantation (TAVI) and evaluate the possibility of reducing the risk of coronary artery occlusion. Methods and Results: Patients (n=308) with an implanted SAPIEN 3 were divided into 2 groups: a high-risk group, which included patients with a TAV-sinotubular junction (STJ) distance <2 mm and a risk plane above the STJ (n=121); and a low-risk group, which included all other patients (n=187). The preoperative SOV diameter, mean STJ diameter, and STJ height were significantly larger in the low-risk group (P<0.05). The cut-off value for predicting the risk of SOV sequestration due to TAV-in-TAV in the difference between the mean STJ diameter and area-derived annulus diameter was 3.0 mm (sensitivity 70%; specificity 68%; area under the curve 0.74). Conclusions: Japanese patients may have a higher risk for sinus sequestration caused by TAV-in-TAV. The risk of sinus sequestration should be assessed before the first TAVI in young patients who are likely to require TAV-in-TAV, and whether TAVI is the best aortic valve therapy must be carefully decided.
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Affiliation(s)
- Sayaka Sato
- Division of Cardiology, Department of Internal Medicine, Iwate Medical University Iwate Japan
| | - Ryo Ninomiya
- Division of Cardiology, Department of Internal Medicine, Iwate Medical University Iwate Japan
| | - Kengo Tosaka
- Division of Cardiology, Department of Internal Medicine, Iwate Medical University Iwate Japan
| | - Yorihiko Koeda
- Division of Cardiology, Department of Internal Medicine, Iwate Medical University Iwate Japan
| | - Tetsuya Fusazaki
- Division of Cardiology, Department of Internal Medicine, Iwate Medical University Iwate Japan
| | - Hajime Kin
- Department of Cardiovascular Surgery, Iwate Medical University Iwate Japan
| | - Yoshihiro Morino
- Division of Cardiology, Department of Internal Medicine, Iwate Medical University Iwate Japan
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15
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Rao K, Bhatia K, Chan B, Cowan M, Saad N, Baer A, Sritharan H, Bromhead I, Whalley D, Allahwala UK, Hansen P, Bhindi R. Prospective observational study on the accuracy of predictors of high-grade atrioventricular conduction block after transcatheter aortic valve implantation (CONDUCT-TAVI): study protocol, background and significance. BMJ Open 2023; 13:e070219. [PMID: 36889832 PMCID: PMC10008405 DOI: 10.1136/bmjopen-2022-070219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/10/2023] Open
Abstract
INTRODUCTION Aortic stenosis is the most common cardiac valve pathology worldwide and has a mortality rate of over 50% at 5 years if left untreated. Transcatheter aortic valve implantation (TAVI) is a minimally invasive and highly effective alternative treatment option to open-heart surgery. High-grade atrioventricular conduction block (HGAVB) is one of the most common complications after TAVI and requires a permanent pacemaker. Due to this, patients are typically monitored for 48 hours post TAVI, however up to 40% of HGAVB may delayed, and occur after discharge. Delayed HGAVB can cause syncope or sudden unexplained cardiac death in a vulnerable population, and no accurate methods currently exist to identify patients at risk. METHODS AND ANALYSIS The prospective observational study on the accuracy of predictors of high-grade atrioventricular conduction block after transcatheter aortic valve implantation (CONDUCT-TAVI) trial is an Australian-led, multicentre, prospective observational study, aiming to improve the prediction of HGAVB, after TAVI. The primary objective of the trial is to assess whether published and novel invasive electrophysiology predictors performed immediately before and after TAVI can help predict HGAVB after TAVI. The secondary objective aims to further evaluate the accuracy of previously published predictors of HGAVB after TAVI, including CT measurements, 12-lead ECG, valve characteristics, percentage oversizing and implantation depth. Follow-up will be for 2 years, and detailed continuous heart rhythm monitoring will be obtained by inserting an implantable loop recorder in all participants. ETHICS AND DISSEMINATION Ethics approval has been obtained for the two participating centres. Results of the study will be submitted for publication in a peer-reviewed journal. TRIAL REGISTRATION NUMBER ACTRN12621001700820.
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Affiliation(s)
- Karan Rao
- Cardiology Department, Royal North Shore Hospital, St Leonards, New South Wales, Australia
- University of Sydney, Sydney, New South Wales, Australia
- North Shore Private Hospital, Sydney, New South Wales, Australia
| | - Kunwardeep Bhatia
- Cardiology Department, Royal North Shore Hospital, St Leonards, New South Wales, Australia
| | - Bernard Chan
- Cardiology Department, Royal North Shore Hospital, St Leonards, New South Wales, Australia
- University of Sydney, Sydney, New South Wales, Australia
| | - Mitchell Cowan
- Cardiology Department, Royal North Shore Hospital, St Leonards, New South Wales, Australia
- North Shore Private Hospital, Sydney, New South Wales, Australia
| | - Natasha Saad
- Cardiology Department, Royal North Shore Hospital, St Leonards, New South Wales, Australia
- North Shore Private Hospital, Sydney, New South Wales, Australia
| | - Alexandra Baer
- North Shore Private Hospital, Sydney, New South Wales, Australia
| | - Hari Sritharan
- Cardiology Department, Royal North Shore Hospital, St Leonards, New South Wales, Australia
| | - Ingrid Bromhead
- Cardiology Department, Royal North Shore Hospital, St Leonards, New South Wales, Australia
| | - David Whalley
- Cardiology Department, Royal North Shore Hospital, St Leonards, New South Wales, Australia
- North Shore Private Hospital, Sydney, New South Wales, Australia
| | - Usaid K Allahwala
- Cardiology Department, Royal North Shore Hospital, St Leonards, New South Wales, Australia
- University of Sydney, Sydney, New South Wales, Australia
| | - Peter Hansen
- Cardiology Department, Royal North Shore Hospital, St Leonards, New South Wales, Australia
- North Shore Private Hospital, Sydney, New South Wales, Australia
| | - Ravinay Bhindi
- Cardiology Department, Royal North Shore Hospital, St Leonards, New South Wales, Australia
- University of Sydney, Sydney, New South Wales, Australia
- North Shore Private Hospital, Sydney, New South Wales, Australia
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16
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Tretter JT, Spicer DE, Macías Y, Talbott C, Kasten JL, Sánchez-Quintana D, Kapadia SR, Anderson RH. Vulnerability of the ventricular conduction axis during transcatheter aortic valvar implantation: A translational pathologic study. Clin Anat 2023. [PMID: 36864653 DOI: 10.1002/ca.24032] [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: 01/23/2023] [Accepted: 03/01/2023] [Indexed: 03/04/2023]
Abstract
The ventricular components of the conduction axis remain vulnerable following transcatheter aortic valvar replacement. We aimed to describe features which may be used accurately by interventionalists to predict the precise location of the conduction axis, hoping better to avoid conduction disturbances. We scanned eight normal adult heart specimens by 3T magnetic resonance, using the images to simulate histological sections in order accurately to place the conduction axis back within the heart. We then used histology, tested in two pediatric hearts, to prepare sections, validated by the magnetic resonance images, to reveal the key relationships between the conduction axis and the aortic root. The axis was shown to have a close relationship to the nadir of the right coronary leaflet, in particular when the aortic root was rotated in counterclockwise fashion. The axis was more vulnerable in the setting of a narrow inferoseptal recess, when the inferior margin of the membranous septum was above the plane of the virtual basal ring, and when minimal myocardium was supporting the right coronary sinus. The features identified in our study are in keeping with the original description provided by Tawara, but at variance with more recent accounts. They suggest that the vulnerability of the axis during transcatheter valvar replacement can potentially be inferred on the basis of knowledge of the position of the aortic root within the ventricular base. If validated by clinical studies, our findings may better permit avoidance of new-onset left bundle branch block following transcatheter aortic valvar replacement.
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Affiliation(s)
- Justin T Tretter
- Department of Pediatric Cardiology, Cleveland Clinic Children's, and Cardiovascular Medicine Department, The Heart, Vascular, & Thoracic Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA.,Heart Institute, Cincinnati Children's Hospital Medical Center, Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Diane E Spicer
- Heart Institute, Johns Hopkins All Children's Hospital, St. Petersburg, Florida, USA.,Congenital Heart Center, UF Health Shands Hospital, Division of Cardiovascular Surgery, Departments of Surgery and Pediatrics, University of Florida, Gainesville, Florida, USA
| | - Yolanda Macías
- Department of Medical and Surgical Therapeutics, Faculty of Veterinary, University of Extremadura, Cáceres, Spain
| | - Cheryl Talbott
- Department of Pathology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Jennifer L Kasten
- Department of Pathology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Damián Sánchez-Quintana
- Department of Human Anatomy and Cell Biology, Faculty of Medicine, University of Extremadura, Badajoz, Spain
| | - Samir R Kapadia
- Cardiovascular Medicine Department, Heart, Vascular & Thoracic Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA
| | - Robert H Anderson
- Biosciences Institute, Newcastle University, Newcastle-upon-Tyne, UK
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17
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Hioki H, Watanabe Y, Kozuma K, Ryuzaki T, Goto S, Inohara T, Katsumata Y, Tsunaki T, Kawahata R, Kobayashi T, Asami M, Otsuka T, Yamamoto M, Hayashida K. Validation of reliability and predictivity of membrane septum length measurements for pacemaker need after transcatheter aortic valve replacement. Catheter Cardiovasc Interv 2022; 100:868-876. [PMID: 36073020 DOI: 10.1002/ccd.30377] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 07/27/2022] [Accepted: 08/16/2022] [Indexed: 11/11/2022]
Abstract
OBJECTIVES To assess the inter methodological agreement of membrane septum (MS) length measurement and additive value for risk stratification of new pacemaker implantation (PMI) over the established predictors after transcatheter aortic valve replacement (TAVR). BACKGROUND Recent studies have suggested MS length and implantation depth (ID) as predictors for PMI after TAVR. However, the measurement of MS length is neither uniform nor validated in different cohort. METHODS We retrospectively analyzed patients who underwent TAVR at five centers. The MS length was measured by two previously proposed methods (coronal and annular view method). Predictive ability of risk factors, including MS length and ID, for new PMI within 30 days after TAVR were evaluated. RESULTS Among 754 patients of study population, 31 patients (4.1%) required new PMI within 30 days of TAVR. There was a weak correlation (ρ = 0.47) and a poor agreement between the two methods. The ID and the difference between MS length and ID (ΔMSID), were independent predictors for new PMI, whereas MS length alone was not. Further, for predicting new PMI after TAVR, discrimination performance was not significantly improved when MS length was added to the model with ID alone (integrated discrimination improvement = 0, p= 0.99; continuous net-reclassification improvement = 0.10, p= 0.62). CONCLUSIONS External validity and predictive accuracy of MS length for PMI after TAVR were not sufficient to provide better risk stratification over the established predictors in our cohort. Moreover, the ID and ΔMSID, but not MS length alone, are predictive of future PMI after TAVR.
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Affiliation(s)
- Hirofumi Hioki
- Division of Cardiology, Teikyo University Hospital, Tokyo, Japan
| | - Yusuke Watanabe
- Division of Cardiology, Teikyo University Hospital, Tokyo, Japan
| | - Ken Kozuma
- Division of Cardiology, Teikyo University Hospital, Tokyo, Japan
| | - Toshinobu Ryuzaki
- Department of Cardiology, Keio University School of Medicine, Tokyo, Japan
| | - Shinichi Goto
- Department of Cardiology, Keio University School of Medicine, Tokyo, Japan.,Department of Medicine, One Brave Idea and Division of Cardiovascular Medicine, Brigham and Women's Hospital, Boston, USA
| | - Taku Inohara
- Department of Cardiology, Keio University School of Medicine, Tokyo, Japan
| | | | - Tatsuya Tsunaki
- Department of Cardiology, Toyohashi Heart Center, Toyohashi, Japan
| | | | | | - Masahiko Asami
- Division of Cardiology, Mitsui Memorial Hospital, Tokyo, Japan
| | - Toshiaki Otsuka
- Department of Hygiene and Public Health, Nippon Medical School, Tokyo, Japan.,Center for Clinical Research, Nippon Medical School Hospital, Tokyo, Japan
| | - Masanori Yamamoto
- Department of Cardiology, Toyohashi Heart Center, Toyohashi, Japan.,Department of Cardiology, Nagoya Heart Center, Nagoya, Japan
| | - Kentaro Hayashida
- Department of Cardiology, Keio University School of Medicine, Tokyo, Japan
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18
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Esposito G, Kumar N, Pugliese F, Sayers M, Chow AW, Kennon S, Ozkor M, Mathur A, Baumbach A, Lloyd G, Mullen A, Cook A, Mullen M, Patel KP. Predictors of post-TAVI conduction abnormalities in patients with bicuspid aortic valves. Open Heart 2022; 9:openhrt-2022-001995. [PMID: 35790318 PMCID: PMC9258482 DOI: 10.1136/openhrt-2022-001995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 06/06/2022] [Indexed: 11/04/2022] Open
Abstract
OBJECTIVES This study evaluates predictors of conduction abnormalities (CA) following transcatheter aortic valve implantation (TAVI) in patients with bicuspid aortic valves (BAV). BACKGROUND TAVI is associated with CA that commonly necessitate a permanent pacemaker. Predictors of CA are well established among patients with tricuspid aortic valves but not in those with BAV. METHODS This is a single-centre, retrospective, observational study of patients with BAV treated with TAVI. Pre-TAVI ECG and CT scans and procedural characteristics were evaluated in 58 patients with BAV. CA were defined as a composite of high-degree atrioventricular block, new left bundle branch block with a QRS >150 ms or PR >240 ms and right bundle branch block with new PR prolongation or change in axis. Predictors of CA were identified using regression analysis and optimum cut-off values determined using area under the receiver operating characteristic curve analysis. RESULTS CA occurred in 35% of patients. Bioprosthesis implantation depth, the difference between membranous septum (MS) length and implantation depth (δMSID) and device landing zone (DLZ) calcification adjacent to the MS were identified as univariate predictors of CA. The optimum cut-off for δMSID was 1.25 mm. Using this cut-off, low δMSID and DLZ calcification adjacent to MS predicted CA, adjusted OR 8.79, 95% CI 1.88 to 41.00; p=0.01. Eccentricity of the aortic valve annulus, type of BAV and valve calcium quantity and distribution did not predict CA. CONCLUSIONS In BAV patients undergoing TAVI, short δMSID and DLZ calcification adjacent to MS are associated with an increased risk of CA.
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Affiliation(s)
- Giulia Esposito
- King's College London Faculty of Life Sciences and Medicine, London, UK.,Cardiology, Barts Health NHS Trust, London, UK
| | - Niraj Kumar
- Cardiology, Barts Health NHS Trust, London, UK.,University College London Institute of Cardiovascular Science, London, UK
| | - Francesca Pugliese
- Cardiology, Barts Health NHS Trust, London, UK.,Centre for Advanced Cardiovascular Imaging, Queen Mary University William Harvey Research Institute, London, UK
| | - Max Sayers
- Cardiology, Barts Health NHS Trust, London, UK
| | | | | | - Mick Ozkor
- Cardiology, Barts Health NHS Trust, London, UK
| | - Anthony Mathur
- Barts Health NHS Trust, London, UK.,Centre for Cardiovascular Medicine and Devices, Queen Mary University William Harvey Research Institute, London, UK
| | - Andreas Baumbach
- Centre for Cardiovascular Medicine and Devices, Queen Mary University William Harvey Research Institute, London, UK.,Barts Heart Centre, Barts Health NHS Trust, London, UK
| | - Guy Lloyd
- Cardiology, Barts Health NHS Trust, London, UK
| | - Aigerim Mullen
- University College London Institute of Cardiovascular Science, London, UK
| | - Andrew Cook
- University College London Institute of Cardiovascular Science, London, UK
| | | | - Kush P Patel
- Cardiology, Barts Health NHS Trust, London, UK .,University College London Institute of Cardiovascular Science, London, UK
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19
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Robertson DM, Boucek DM, Martin MH, Gray RG, Griffiths ER, Eckhauser AW, Ou Z, Lambert LM, Williams RV, Husain SA. Transcatheter and Surgical Aortic Valve Implantation in Children, Adolescents, and Young Adults With Congenital Heart Disease. Am J Cardiol 2022; 177:128-136. [PMID: 35691707 DOI: 10.1016/j.amjcard.2022.04.056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 04/23/2022] [Accepted: 04/29/2022] [Indexed: 11/30/2022]
Abstract
Transcatheter aortic valve implantation (TAVI) is common in adults but rare in children and adolescents. Since 2014, our institution has incorporated a transcatheter approach as an option for aortic valve replacement in this population. The purpose of this study was to compare short-term outcomes of TAVI with surgical aortic valve replacement (SAVR). This single-center, retrospective study included patients aged 10 to 21 years who had a native SAVR or TAVI between January 2010 to April 2020. Comparative analysis of baseline characteristics and a composite outcome (stroke within 6 months, readmission within 30 days, death) between SAVR and TAVI were made using chi-square test or Wilcoxon rank sum test, as appropriate. Of the 77 patients who underwent native aortic valve implantation during the study period (60 SAVR, 17 TAVI), 46 were aged 10 to 21 years (30 SAVR, 16 TAVI). Median follow-up was 3.8 years (interquartile range 1.5 to 4.9) for the SAVR group and 1.5 years (interquartile range 1.1 to 1.2) for the TAVI group. There was no difference in the composite outcome between groups. Patients in the SAVR group were more likely to have undergone concomitant surgical intervention and have longer intensive care unit and hospital stays. In conclusion, our study suggests similar short-term outcomes between SAVR and TAVI in children and young adults aged 10 to 21 years. Longer-term studies are essential to understand the utility of TAVI and to better consider the option of a transcatheter approach as an alternative to SAVR in the pediatric population.
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Affiliation(s)
- Dwight M Robertson
- Department of Pediatrics - Pediatric Cardiology, Primary Children's Hospital, Salt Lake City, UT; Air Force Institute of Technology, United States Air Force, Wright-Patterson Air Force Base, Dayton, Ohio.
| | - Dana M Boucek
- Department of Pediatrics - Pediatric Cardiology, Primary Children's Hospital, Salt Lake City, UT
| | - Mary Hunt Martin
- Department of Pediatrics - Pediatric Cardiology, Primary Children's Hospital, Salt Lake City, UT
| | - Robert G Gray
- Department of Pediatrics - Pediatric Cardiology, Primary Children's Hospital, Salt Lake City, UT
| | - Eric R Griffiths
- Division of Cardiothoracic Surgery - Pediatric Cardiothoracic Surgery, Primary Children's Hospital
| | - Aaron W Eckhauser
- Division of Cardiothoracic Surgery - Pediatric Cardiothoracic Surgery, Primary Children's Hospital
| | - Zhining Ou
- Division of Epidemiology, Department of Internal Medicine, University of Utah, Salt Lake City, Utah
| | - Linda M Lambert
- Department of Pediatrics - Pediatric Cardiology, Primary Children's Hospital, Salt Lake City, UT
| | - Richard V Williams
- Department of Pediatrics - Pediatric Cardiology, Primary Children's Hospital, Salt Lake City, UT
| | - S Adil Husain
- Division of Cardiothoracic Surgery - Pediatric Cardiothoracic Surgery, Primary Children's Hospital
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20
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TAVI-CT score to evaluate the anatomic risk in patients undergoing transcatheter aortic valve implantation. Sci Rep 2022; 12:7612. [PMID: 35534616 PMCID: PMC9085825 DOI: 10.1038/s41598-022-11788-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Accepted: 04/07/2022] [Indexed: 02/08/2023] Open
Abstract
AbstractTranscatheter aortic valve implantation (TAVI) requires thorough preprocedural planning with non-invasive imaging, including computed tomography (CT). The plethora of details obtained with thoraco-abdominal CT represents a challenge for accurate and synthetic decision-making. We devised and tested a comprehensive score suitable to summarize CT exams when planning TAVI. An original comprehensive scoring system (TAVI-CT score) was devised, including details on cardiac, aortic, iliac and femoral artery features. The score was applied to a prospectively collected series of patients undergoing TAVI at our institution, driving decision making on access and prosthesis choice. Different TAVI-CT score groups were compared in terms of procedural success, acute complications, and early clinical outcomes. We included a total of 200 undergoing TAVI between February 2020 and May 2021, with 74 (37.0%) having a low (0–2) TAVI-CT score, 50 (25.0%) having a moderate (3) TAVI-CT score, and 76 (38.0%) having a high (≥ 4) TAVI-CT score. Male gender was the only non-CT variable significantly associated with the TAVI-CT score (p = 0.001). As expected, access choice differed significantly across TAVI-CT scores (p = 0.009), as was device choice, with Portico more favored and Allegra less favored in the highest TAVI-CT score group (p = 0.036). Acute outcomes were similar in the 3 groups, including device and procedural success rates (respectively p = 0.717 and p = 1). One-month follow-up showed similar rates of death, myocardial infarction, stroke, and bleeding, as well as of a composite safety endpoint (all p > 0.05). However, vascular complications were significantly more common in the highest TAVI-CT score group (p = 0.041). The TAVI-CT score is a simple scoring system that could be routinely applied to CT imaging for TAVI planning, if the present hypothesis-generating findings are confirmed in larger prospective studies.
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21
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Boonyakiatwattana W, Maneesai A, Chaithiraphan V, Jakrapanichakul D, Sakiyalak P, Chunhamaneewat N, Slisatkorn W, Chotinaiwattarakul C, Pongakasira R, Wongpraparut N. Preprocedural and procedural variables that predict new-onset conduction disturbances after transcatheter aortic valve replacement. BMC Cardiovasc Disord 2022; 22:135. [PMID: 35361124 PMCID: PMC8974214 DOI: 10.1186/s12872-022-02576-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 03/21/2022] [Indexed: 11/25/2022] Open
Abstract
Background Conduction disturbances are a common complication after transcatheter aortic valve replacement (TAVR). The aim of this study was to investigate the preprocedural and procedural variables that predict new-onset conduction disturbances post-TAVR (hereafter CD/CDs). Methods Consecutive patients who underwent TAVR during December 2009–March 2021 at the Faculty of Medicine Siriraj Hospital, Mahidol University—Thailand’s largest national tertiary referral center—were enrolled. Patients with prior implantation of a cardiac device, periprocedural death, or unsuccessful procedure were excluded. Clinical and electrocardiographic data, preprocedural imaging, including membranous septum (MS) length, and procedural variables, including implantation depth (ID), were analyzed. CD was defined as new left or right bundle branch block, significant intraventricular conduction disturbance with QRS interval ≥ 120 ms, new high-grade atrioventricular block, or complete heart block. Multivariate binary logistic analysis and receiver operating characteristic (ROC) curve analysis were used to identify independent predictors and the optimal ∆MSID (difference between the MS length and ID) cutoff value, respectively. Results A total of 124 TAVR patients (mean age: 84.3 ± 6.3 years, 62.1% female) were included. The mean Society of Thoracic Surgeons score was 7.3%, and 85% of patients received a balloon expandable transcatheter heart valve. Thirty-five patients (28.2%) experienced a CD, and one-third of those required pacemaker implantation. The significant preprocedural and procedural factors identified from univariate analysis included intraventricular conduction delay, mitral annular calcification, MS length ≤ 6.43 mm, self-expanding device, small left ventricular cavity, and ID ≥ 6 mm. Multivariate analysis revealed MS length ≤ 6.43 mm (adjusted odds ratio [aOR] 9.54; 95% CI 2.56–35.47; p = 0.001) and ∆MSID < 0 mm (adjusted odds ratio [aOR] 10.77; 95% CI 2.86–40.62; p = < 0.001) to be independent predictors of CD. The optimal ∆MSID cutoff value for predicting conduction disturbances was less than 0 mm (area under the receiver operating characteristic curve [AuROC]: 0.896). Conclusion This study identified MS length ≤ 6.43 mm and ∆MSID < 0 mm as independent predictors of CDs. ∆MSID < 0 was the strongest and only modifiable predictor. Importantly, we expanded the CD criteria to cover all spectrum of TAVR-related conduction injury to lower the threshold of this sole modifiable risk. The optimal ∆MSID cutoff value was < 0 mm. Trial registration: TCTR, TCTR20210818002. Registered 17 August 2021—Retrospectively registered, http://www.thaiclinicaltrials.org/show/TCTR 20210818002.
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Affiliation(s)
- Wongsaput Boonyakiatwattana
- Division of Cardiology, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand
| | - Adisak Maneesai
- Division of Cardiology, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand
| | - Vithaya Chaithiraphan
- Faculty of Medicine Siriraj Hospital, Her Majesty's Cardiac Center, Mahidol University, Bangkok, Thailand
| | - Decho Jakrapanichakul
- Division of Cardiology, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand
| | - Pranya Sakiyalak
- Division of Cardiothoracic Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Narathip Chunhamaneewat
- Division of Cardiology, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand
| | - Worawong Slisatkorn
- Division of Cardiothoracic Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | | | - Rungtiwa Pongakasira
- Faculty of Medicine Siriraj Hospital, Her Majesty's Cardiac Center, Mahidol University, Bangkok, Thailand
| | - Nattawut Wongpraparut
- Division of Cardiology, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand.
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22
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Mitsis A, Eftychiou C, Christophides T, Sakellaropoulos S, Avraamides P. The conjunction conundrum in Transcatheter Aortic Valve Implantation. Curr Probl Cardiol 2022; 48:101130. [PMID: 35114293 DOI: 10.1016/j.cpcardiol.2022.101130] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Accepted: 01/25/2022] [Indexed: 11/17/2022]
Abstract
A continuous discussion regarding the predictors for permanent pacemaker implantation (PPI) following transcatheter aortic valve implantation (TAVI) is ongoing, especially in the era of low and medium risk patients. The aim of this article is to review the data so far regarding the pathophysiology, risk factors, and the indications for permanent pacemaker implantation after TAVI. The factors that contribute to rhythm abnormalities post TAVI can be divided into pre-existing conduction abnormalities, patient-related anatomical factors, and peri-procedural technical factors. The latter components are potentially modifiable, and this is where attention should be directed, particularly now that in an era of TAVI expansion towards lower-risk patients.
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Key Words
- AF, Atrial fibrillation
- AS, Aortic stenosis
- AV, Atrioventricular
- BAV, Balloon aortic valvuloplasty
- BBB, Bundle branch block
- BEV, Balloon expandable valve
- CAVB, Complete Atrioventricular block
- CRT,
- CT, Computer tomography
- Cardiac resynchronization therapy
- ECG, Electrocardiogram
- EPS, Electrophysiology study
- ID, Implantation depth
- LAH, Left anterior hemiblock
- LBBB, Left bundle branch block
- LCC, Left coronary cusp
- LVEF, Left ventricular ejection function
- LVOT, Left ventricular outflow track
- LVOT- EI, Left ventricular outflow track eccentricity index
- LVOT-CA, Left ventricular outflow track calcification
- MS, Membranous septum
- NCC, Non coronary cusp
- PPI, Permanent pacemaker implantation
- PVL, Paravalvular leak
- RAO, Right anterior oblique
- RBBB, Right bundle branch block
- RCC, Right coronary cusp
- SAS, Severe aortic stenosis
- SEV, Self-expandable valve
- TAVI, Transcatheter aortic valve implantation
- Transcatheter aortic valve implantation, pacemaker implantation, LBBB, balloon expandable valves, self-expandable valves, LVOT. List of abbreviations, AMCC, Aortomitral continuity calcification
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Affiliation(s)
- Andreas Mitsis
- Cardiology Department, Nicosia General Hospital, 2029, Nicosia, Cyprus.
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23
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Reza S, Bianchi M, Kovarovic B, Anam S, Slepian MJ, Hamdan A, Haj-Ali R, Bluestein D. A computational framework for post-TAVR cardiac conduction abnormality (CCA) risk assessment in patient-specific anatomy. Artif Organs 2022; 46:1305-1317. [PMID: 35083748 DOI: 10.1111/aor.14189] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 12/14/2021] [Accepted: 01/18/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND Cardiac conduction abnormality (CCA)- one of the major persistent complications associated with transcatheter aortic valve replacement (TAVR) may lead to permanent pacemaker implantation. Localized stresses exerted by the device frame on the membranous septum (MS) which lies between the aortic annulus and the bundle of His, may disturb the cardiac conduction and cause the resultant CCA. We hypothesize that the area-weighted average maximum principal logarithmic strain (AMPLS) in the MS region can predict the risk of CCA following TAVR. METHODS Rigorous finite element-based modeling analysis was conducted in two patients (Balloon expandable TAVR recipients) to assess post-TAVR CCA risk. Following the procedure one of the patients required permanent pacemaker (PPM) implantation while the other did not (control case). Patient-specific aortic root was modeled, MS was identified from the CT image, and the TAVR deployment was simulated. Mechanical factors in the MS region such as logarithmic strain, contact force, contact pressure, contact pressure index (CPI) and their time history during the TAVR deployment; and anatomical factors such as MS length, implantation depth, were analyzed. RESULTS Maximum AMPLS (0.47 and 0.37, respectively), contact force (0.92 N and 0.72 N, respectively), and CPI (3.99 and 2.86, respectively) in the MS region were significantly elevated in the PPM patient as compared to control patient. CONCLUSION Elevated stresses generated by TAVR devices during deployment appear to correlate with CCA risk, with AMPLS in the MS region emerging as a strong predictor that could be used for preprocedural planning in order to minimize CCA risk.
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Affiliation(s)
- Symon Reza
- Department of Biomedical Engineering, Stony Brook University, NY, USA
| | - Matteo Bianchi
- Department of Biomedical Engineering, Stony Brook University, NY, USA
| | - Brandon Kovarovic
- Department of Biomedical Engineering, Stony Brook University, NY, USA
| | - Salwa Anam
- Department of Biomedical Engineering, Stony Brook University, NY, USA
| | - Marvin J Slepian
- Department of Biomedical Engineering, University of Arizona, Tucson, AZ, USA
| | - Ashraf Hamdan
- Department of Cardiology, Rabin Medical Center, Faculty of Medicine, Tel-Aviv University, Tel Aviv, Israel
| | - Rami Haj-Ali
- The Fleischman Faculty of Engineering, School of Mechanical Engineering, Tel Aviv University, Tel Aviv, Ramat Aviv, Israel
| | - Danny Bluestein
- Department of Biomedical Engineering, Stony Brook University, NY, USA
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24
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Tsuda D, Mori S, Izawa Y, Toh H, Suzuki M, Takahashi Y, Toba T, Fujiwara S, Tanaka H, Watanabe Y, Kono AK, Hirata KI. Diversity and determinants of the sigmoid septum and its impact on morphology of the outflow tract as revealed using cardiac computed tomography. Echocardiography 2022; 39:248-259. [PMID: 35038184 DOI: 10.1111/echo.15298] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 12/27/2021] [Accepted: 01/01/2022] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND The sigmoid septum has been generally evaluated subjectively and qualitatively, without detailed examination of its diversity, impact on the morphology of the left ventricular outflow tract (LVOT), and anatomical background. METHODS We enrolled 100 patients without any background cardiac diseases (67.5 ± 12.8 years old; 43% women) who underwent cardiac computed tomography. Basal septal morphology was evaluated using antero-superior and medial bulging angles (bidirectional angulation of the basal septum relative to the LVOT). The eccentricity index of the LVOT, area narrowing ratio (LVOT/virtual basal ring area), aortic-to-left ventricular axial angle (angulation of the aortic root relative to the left ventricle), and wedged height (non-coronary aortic sinus to inferior epicardium distance) were also quantified. RESULTS The antero-superior bulging, medial bulging, aortic-to-left ventricular axial angles, LVOT eccentricity index, area narrowing ratio, and wedged height were 76° ± 17°, 166° ± 27°, 127° ± 9°, 1.8 ± 0.5, 1.0 ± 0.2, and 41.2 ± 9.1 mm, respectively. Both bulging angles were correlated with each other and contributed to the narrowing and deformation of the LVOT. Angulated aortic root was not correlated with either bidirectional septal bulge or LVOT narrowing. Clockwise rotation of the aortic root rotation was an independent predictor of prominent antero-superior septal bulge. Deeper aortic wedging was a common independent predictor of bidirectional septal bulge. CONCLUSIONS The extent of septal bulge varies in normal hearts. Along with deep aortic wedging, the bidirectional bulge of the basal septum deforms and narrows the LVOT without affecting the virtual basal ring morphology.
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Affiliation(s)
- Daisuke Tsuda
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Shumpei Mori
- UCLA Cardiac Arrhythmia Center, UCLA Health System, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | - Yu Izawa
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroyuki Toh
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Masataka Suzuki
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yu Takahashi
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Takayoshi Toba
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Sei Fujiwara
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hidekazu Tanaka
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yoshiaki Watanabe
- Department of Radiology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Atsushi K Kono
- Department of Radiology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
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25
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Macías Y, de Almeida MC, Tretter JT, Anderson RH, Spicer DE, Mohun TJ, Sánchez-Quintana D, Farré J, Back Sternick E. Miniseries 1-Part II: the comparative anatomy of the atrioventricular conduction axis. Europace 2022; 24:443-454. [PMID: 34999788 DOI: 10.1093/europace/euab291] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 11/08/2021] [Indexed: 12/14/2022] Open
Abstract
AIMS The arrangement of the conduction axis is markedly different in various mammalian species. Knowledge of such variation may serve to question the validity of using animals as prospective models for design of systems for clinical use. METHODS AND RESULTS We compared the arrangement of the atrioventricular conduction axis in human, murine, canine, porcine, and bovine hearts, examining serially sectioned datasets from 20 human, 16 murine, 3 porcine, 5 canine, and 1 bovine hearts. We also analysed computed tomographic datasets obtained from bovines and one human heart. Unlike the situation in the human heart, there is no formation of an atrioventricular fibrous membranous septum in the murine, canine, porcine, nor bovine hearts. Canine, porcine, and bovine hearts also lack an infero-septal recess, when defined as a fibrous plate supporting the buttress of the atrial septum. In these species, half of the non-coronary leaflet is directly opposed to the ventricular septal surface. CONCLUSION There is a long right-sided non-branching component of the axis, which skirts the attachment of the non-coronary sinus of the aortic root. In the bovine heart, moreover, the left bundle branch usually extends intramyocardially as a solitary tape before surfacing and ramifying on the left ventricular septal surface. The difference in the atrioventricular conduction axis between species may influence the anatomical substrates for atrioventricular re-entry tachycardia, as well as providing inferences for assessing the risks of transcatheter implantation of the aortic valve. Further studies are now needed to assess these possibilities.
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Affiliation(s)
- Yolanda Macías
- Department of Medical and Surgical Therapeutics, Veterinary Faculty, University of Extremadura, Cáceres, Spain
| | - Marcos C de Almeida
- Department of Genetics and Morphology, Brasilia's University, Campus Asa Norte, Brasilia, Brazil
| | - Justin T Tretter
- Department of Pediatrics, Heart Institute, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Robert H Anderson
- Biosciences Institute, Newcastle University, Newcastle-upon-Tyne, UK
| | - Diane E Spicer
- Congenital Heart Center, University of Florida, Gainesville, FL, USA
| | - Timothy J Mohun
- The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Damián Sánchez-Quintana
- Department of Human Anatomy and Cell Biology, Faculty of Medicine, University of Extremadura, Badajoz, Spain
| | - Jerónimo Farré
- Fundación Jiménez Díaz University Hospital, Institute of Biomedical Research, Madrid, Spain
| | - Eduardo Back Sternick
- Arrhythmia and Electrophysiology Unit, Biocor Institute, Nova Lima, Minas Gerais, Brazil
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26
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OUP accepted manuscript. Eur J Cardiothorac Surg 2022; 62:6549449. [DOI: 10.1093/ejcts/ezac179] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 02/18/2022] [Accepted: 03/02/2022] [Indexed: 11/14/2022] Open
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27
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Sánchez-Quintana D, Anderson RH, Tretter JT, Cabrera JA, Sternick EB, Farré J. Anatomy of the conduction tissues 100 years on: what have we learned? Heart 2021; 108:1430-1437. [PMID: 34969873 DOI: 10.1136/heartjnl-2021-320304] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 11/30/2021] [Indexed: 11/04/2022] Open
Abstract
Knowledge of the anatomy of the 'conduction tissues' of the heart is a 20th century phenomenon. Although controversies still continue on the topic, most could have been avoided had greater attention been paid to the original descriptions. All cardiomyocytes, of course, have the capacity to conduct the cardiac impulse. The tissues specifically described as 'conducting' first generate the cardiac impulse, and then deliver it in such a fashion that the ventricles contract in orderly fashion. The tissues cannot readily be distinguished by gross inspection. Robust definitions for their recognition had been provided by the end of the first decade of the 20th century. These definitions retain their currency. The sinus node lies as a cigar-shaped structure subepicardially within the terminal groove. There is evidence that it is associated with a paranodal area that may have functional significance. Suggestions of dual nodes, however, are without histological confirmation. The atrioventricular node is located within the triangle of Koch, with significant inferior extensions occupying the atrial vestibules and with septal connections. The conduction axis penetrates the insulating plane of the atrioventricular junctions to continue as the ventricular pathways. Remnants of a ring of cardiomyocytes observed during development are also to be found within the atrial vestibules, particularly a prominent retroaortic remnant, although that their role has still to be determined. Application of the initial criteria for nodes and tracts shows that there are no special 'conducting tissues' in the pulmonary venous sleeves that might underscore the abnormal rhythm of atrial fibrillation.
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Affiliation(s)
| | - Robert H Anderson
- Institute of Genetic Medicine, Newcastle University, Newcastle upon Tyne, UK
| | - Justin T Tretter
- Heart Institute, Cincinnati Children's Hospital Medical Center, Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - José Angel Cabrera
- Department of Cardiology, Hospital Universitario Quirón-Madrid, European University of Madrid, Madrid, Spain
| | | | - Jerónimo Farré
- Madrid Autonomous University, Fundación Jiménez Díaz Hospital, Madrid, Spain
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28
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Guo Y, Zhou D, Dang M, He Y, Zhang S, Fang J, Wu S, Huang Q, Chen L, Yuan Y, Fan J, Jilaihawi H, Liu X, Wang J. The Predictors of Conduction Disturbances Following Transcatheter Aortic Valve Replacement in Patients With Bicuspid Aortic Valve: A Multicenter Study. Front Cardiovasc Med 2021; 8:757190. [PMID: 34912864 PMCID: PMC8667767 DOI: 10.3389/fcvm.2021.757190] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 10/15/2021] [Indexed: 12/29/2022] Open
Abstract
Objective: To evaluate the predictors of new-onset conduction disturbances in bicuspid aortic valve patients using self-expanding valve and identify modifiable technical factors. Background: New-onset conduction disturbances (NOCDs), including complete left bundle branch block and high-grade atrioventricular block, remain the most common complication after transcatheter aortic valve replacement (TAVR). Methods: A total of 209 consecutive bicuspid patients who underwent self-expanding TAVR in 5 centers in China were enrolled from February 2016 to September 2020. The optimal cut-offs in this study were generated from receiver operator characteristic curve analyses. The infra-annular and coronal membranous septum (MS) length was measured in preoperative computed tomography. MSID was calculated by subtracting implantation depth measure on postoperative computed tomography from infra-annular MS or coronal MS length. Results: Forty-two (20.1%) patients developed complete left bundle branch block and 21 (10.0%) patients developed high-grade atrioventricular block after TAVR, while 61 (29.2%) patients developed NOCDs. Coronal MS <4.9 mm (OR: 3.08, 95% CI: 1.63-5.82, p = 0.001) or infra-annular MS <3.7 mm (OR: 2.18, 95% CI: 1.04-4.56, p = 0.038) and left ventricular outflow tract perimeter <66.8 mm (OR: 4.95 95% CI: 1.59-15.45, p = 0.006) were powerful predictors of NOCDs. The multivariate model including age >73 years (OR: 2.26, 95% CI: 1.17-4.36, p = 0.015), Δcoronal MSID <1.8 mm (OR: 7.87, 95% CI: 2.84-21.77, p < 0.001) and prosthesis oversizing ratio on left ventricular outflow tract >3.2% (OR: 3.42, 95% CI: 1.74-6.72, p < 0.001) showed best predictive value of NOCDs, with c-statistic = 0.768 (95% CI: 0.699-0.837, p < 0.001). The incidence of NOCDs was much lower (7.5 vs. 55.2%, p < 0.001) in patients without Δcoronal MSID <1.8 mm and prosthesis oversizing ratio on left ventricular outflow tract >3.2% compared with patients who had these two risk factors. Conclusion: The risk of NOCDs in bicuspid aortic stenosis patients could be evaluated based on MS length and prosthesis oversizing ratio. Implantation depth guided by MS length and reducing the oversizing ratio might be a feasible strategy for heavily calcified bicuspid patients with short MS.
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Affiliation(s)
- Yuchao Guo
- Department of Cardiology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Dao Zhou
- Department of Cardiology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Mengqiu Dang
- Department of Cardiology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yuxing He
- Department of Cardiology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Shenwei Zhang
- Department of Cardiology, Zhengzhou Cardiovascular Hospital (The Seventh People' Hospital of Zheng Zhou), Zhengzhou, China
| | - Jun Fang
- Department of Cardiology, Fujian Heart Medical Center, Fujian Institute of Coronary Heart Disease, Fujian Medical University Union Hospital, Fuzhou, China
| | - Shili Wu
- Department of Cardiology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Qiong Huang
- Department of Cardiology, Henan Provincial Chest Hospital, Zhengzhou, China
| | - Lianglong Chen
- Department of Cardiology, Fujian Heart Medical Center, Fujian Institute of Coronary Heart Disease, Fujian Medical University Union Hospital, Fuzhou, China
| | - Yiqiang Yuan
- Department of Cardiology, Henan Provincial Chest Hospital, Zhengzhou, China
| | - Jiaqi Fan
- Department of Cardiology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Hasan Jilaihawi
- Heart Valve Center, NYU Langone Health, New York City, NY, United States
| | - Xianbao Liu
- Department of Cardiology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jian'an Wang
- Department of Cardiology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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Wang T, Ou A, Xia P, Tian J, Wang H, Cheng Z. Predictors for the risk of permanent pacemaker implantation after transcatheter aortic valve replacement: A systematic review and meta-analysis. J Card Surg 2021; 37:377-405. [PMID: 34775652 DOI: 10.1111/jocs.16129] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 08/22/2021] [Accepted: 09/26/2021] [Indexed: 02/05/2023]
Abstract
BACKGROUND Transcatheter aortic valve replacement (TAVR) is a less invasive treatment than surgery for severe aortic stenosis. However, its use is restricted by the fact that many patients eventually require permanent pacemaker implantation (PPMI). This meta-analysis was performed to identify predictors of post-TAVR PPMI. METHODS The PubMed, Embase, Web of Science, and Cochrane Library databases were systematically searched. Relevant studies that met the inclusion criteria were included in the pooling analysis after quality assessment. RESULTS After pooling 67 studies on post-TAVR PPMI risk in 97,294 patients, balloon-expandable valve use was negatively correlated with PPMI risk compared with self-expandable valve (SEV) use (odds ratio [OR]: 0.44, 95% confidence interval [CI]: 0.37-0.53). Meta-regression analysis revealed that history of coronary artery bypass grafting and higher Society of Thoracic Surgeons (STS) risk score increased the risk of PPMI with SEV utilization. Patients with pre-existing cardiac conduction abnormalities in 28 pooled studies also had a higher risk of PPMI (OR: 2.33, 95% CI: 1.90-2.86). Right bundle branch block (OR: 5.2, 95% CI: 4.37-6.18) and first-degree atrioventricular block (OR: 1.97, 95% CI: 1.38-2.79) also increased PPMI risk. Although the trans-femoral approach was positively correlated with PPMI risk, the trans-apical pathway showed no statistical difference to the trans-femoral pathway. The approach did not increase PPMI risk in patients with STS scores >8. Patient-prosthesis mismatch did not influence post-TAVR PPMI risk (OR: 0.88, 95% CI: 0.67-1.16). We also analyzed implantation depth and found no difference between patients with PPMI after TAVR and those without. CONCLUSIONS SEV selection, pre-existing cardiac conduction abnormality, and trans-femoral pathway selection are positively correlated with PPMI after TAVR. Pre-existing left bundle branch block, patient-prosthesis mismatch, and implantation depth did not affect the risk of PPMI after TAVR.
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Affiliation(s)
- Tongyu Wang
- Department of Cardiovascular Medicine, The Fourth Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Aixin Ou
- Department of Radiology, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Ping Xia
- Department of Cardiovascular Medicine, The Fourth Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Jiahu Tian
- Department of Cardiovascular Medicine, The Fourth Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Hongchang Wang
- Department of Emergency Medicine, The First Affiliated Hospital of Lanzhou Medical University, Lanzhou, China
| | - Zeyi Cheng
- Department of Cardiac Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
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Tretter JT, Izawa Y, Spicer DE, Okada K, Anderson RH, Quintessenza JA, Mori S. Understanding the Aortic Root Using Computed Tomographic Assessment: A Potential Pathway to Improved Customized Surgical Repair. Circ Cardiovasc Imaging 2021; 14:e013134. [PMID: 34743527 DOI: 10.1161/circimaging.121.013134] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
There is continued interest in surgical repair of both the congenitally malformed aortic valve, and the valve with acquired dysfunction. Aortic valvar repair based on a geometric approach has demonstrated improved durability and outcomes. Such an approach requires a thorough comprehension of the complex 3-dimensional anatomy of both the normal and congenitally malformed aortic root. In this review, we provide an understanding of this anatomy based on the features that can accurately be revealed by contrast-enhanced computed tomographic imaging. We highlight the complimentary role that such imaging, with multiplanar reformatting and 3-dimensional reconstructions, can play in selection of patients, and subsequent presurgical planning for valvar repair. The technique compliments other established techniques for perioperative imaging, with echocardiography maintaining its central role in assessment, and enhances direct surgical evaluation. This additive morphological and functional information holds the potential for improving selection of patients, surgical planning, subsequent surgical repair, and hopefully the subsequent outcomes.
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Affiliation(s)
- Justin T Tretter
- Heart Institute, Cincinnati Children's Hospital Medical Center, Department of Pediatrics, University of Cincinnati College of Medicine, OH (J.T.T.)
| | - Yu Izawa
- Division of Cardiovascular Medicine, Department of Internal Medicine (Y.I.), Kobe University Graduate School of Medicine, Japan
| | - Diane E Spicer
- Heart Institute, Johns Hopkins All Children's Hospital, St. Petersburg, FL (D.E.S., J.A.Q.)
| | - Kenji Okada
- Department of Cardiovascular Surgery (K.O.), Kobe University Graduate School of Medicine, Japan
| | - Robert H Anderson
- Cardiovascular Research Centre, Biosciences Institute, Newcastle University, Newcastle upon Tyne, United Kingdom (R.H.A.)
| | - James A Quintessenza
- Heart Institute, Johns Hopkins All Children's Hospital, St. Petersburg, FL (D.E.S., J.A.Q.)
| | - Shumpei Mori
- UCLA Cardiac Arrhythmia Center, UCLA Health System, David Geffen School of Medicine at UCLA (S.M.)
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Abstract
Iatrogenic atrioventricular (AV) block can occur in the context of cardiac surgery, percutaneous transcatheter, or electrophysiologic procedures. In cardiac surgery, patients undergoing aortic and/or mitral valve surgery are at the highest risk for developing perioperative AV block requiring permanent pacemaker implantation. Similarly, patients undergoing transcatheter aortic valve replacement are also at increased risk for developing AV block. Electrophysiologic procedures, including catheter ablation of AV nodal re-entrant tachycardia, septal accessory pathways, para-Hisian atrial tachycardia, or premature ventricular complexes, are also associated with risk of AV conduction system injury. In this article, we summarize the common causes for iatrogenic AV block, predictors for AV block, and general management considerations.
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Affiliation(s)
- Christopher C Cheung
- Section of Cardiac Electrophysiology, Division of Cardiology, University of California San Francisco, MU-East 4th Floor, 500 Parnassus Avenue, San Francisco, CA 94143, USA
| | - Shumpei Mori
- UCLA Cardiac Arrhythmia Center, University of California Los Angeles, Center of the Health Science, #46-131, 650 Charles E. Young Drive South, Los Angeles, CA 90095, USA
| | - Edward P Gerstenfeld
- Section of Cardiac Electrophysiology, Division of Cardiology, University of California San Francisco, MU-East 4th Floor, 500 Parnassus Avenue, San Francisco, CA 94143, USA.
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Karki R, Raina A, Ezzeddine FM, Bois MC, Asirvatham SJ. Anatomy and Pathology of the Cardiac Conduction System. Card Electrophysiol Clin 2021; 13:569-584. [PMID: 34689887 DOI: 10.1016/j.ccep.2021.06.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The cardiac conduction system is formed of histologically and electrophysiologically distinct specialized tissues uniquely located in the human heart. Understanding the anatomy and pathology of the cardiac conduction system is imperative to an interventional electrophysiologist to perform safe ablation and device therapy for the management of cardiac arrhythmias and heart failure. The current review summarizes the normal and developmental anatomy of the cardiac conduction system, its variation in the normal heart and congenital anomalies, and its pathology and discusses important clinical pearls for the proceduralist.
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Affiliation(s)
- Roshan Karki
- Department of Cardiovascular Medicine, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
| | - Anvi Raina
- Department of Cardiovascular Medicine, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
| | - Fatima M Ezzeddine
- Department of Cardiovascular Medicine, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
| | - Melanie C Bois
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN 55905, USA
| | - Samuel J Asirvatham
- Department of Cardiovascular Medicine, Mayo Clinic College of Medicine, Rochester, MN 55905, USA.
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Macías Y, Tretter JT, Sánchez-Quintana D, Cabrera JA, Spicer DE, de Almeida MC, Anderson RH. The atrioventricular conduction axis and the aortic root-Inferences for transcatheter replacement of the aortic valve. Clin Anat 2021; 35:143-154. [PMID: 34580916 DOI: 10.1002/ca.23793] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 09/19/2021] [Accepted: 09/22/2021] [Indexed: 02/05/2023]
Abstract
Conduction problems still occur following transcatheter aortic valvar replacement. With this in mind, we have assessed the relationship of the conduction axis to the aortic root. We used serial histological sections, made perpendicular to the base of the triangle of Koch in nine hearts, and perpendicular to the aortic root in 11 hearts. We first defined the extent of the fibrous tissues forming the boundaries of an infero-septal recess of the subaortic outflow tract, found in all datasets but one. When the recess was present, the axis penetrated through its rightward wall, giving rise to the left bundle branch prior to entering the outflow tract. The axis itself was usually on the crest of the ventricular septum, but could be deviated leftward or rightward. Its proximity to the virtual basal plane reflected the angulation of the muscular septum. On average, the superior edge of the left bundle was within 3.3 mm of the hinge of the right coronary leaflet, with a range from 0.4 to 10.2 mm. The arrangement was markedly different in the case lacking an infero-septal recess. Our findings necessitated a redefinition of the right fibrous trigone and the central fibrous body. The atrioventricular conduction axis, having entered the aortic root, is usually closest at the hinge of the right coronary leaflet. Knowledge of the depth of the infero-septal recess, and the angulation of the muscular ventricular septal, may help to avoid conduction problems following transcatheter implantation of the aortic valve.
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Affiliation(s)
- Yolanda Macías
- Department of Medical and Surgical Therapeutics, Faculty of Veterinary, University of Extremadura, Cáceres, Spain
| | - Justin T Tretter
- Heart Institute, Cincinnati Children's Hospital Medical Center, Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Damián Sánchez-Quintana
- Department of Human Anatomy and Cell Biology, Faculty of Medicine, University of Extremadura, Badajoz, Spain
| | - José-Angel Cabrera
- Division of Cardiology, Hospital Universitario Quirón Salud, European University of Madrid, Madrid, Spain
| | - Diane E Spicer
- Heart Institute, Johns Hopkins All Children's Hospital, St. Petersburg, Florida, USA.,Congenital Heart Center, University of Florida, Gainesville, Florida, USA
| | - Marcos C de Almeida
- Department of Genetics and Morphology, Brasilia's University, Campus Asa Norte, Brasilia, Brazil
| | - Robert H Anderson
- Biosciences Institute, Newcastle University, Newcastle-upon-Tyne, UK
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Ullah W, Zahid S, Zaidi SR, Sarvepalli D, Haq S, Roomi S, Mukhtar M, Khan MA, Gowda SN, Ruggiero N, Vishnevsky A, Fischman DL. Predictors of Permanent Pacemaker Implantation in Patients Undergoing Transcatheter Aortic Valve Replacement - A Systematic Review and Meta-Analysis. J Am Heart Assoc 2021; 10:e020906. [PMID: 34259045 PMCID: PMC8483489 DOI: 10.1161/jaha.121.020906] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Background As transcatheter aortic valve replacement (TAVR) technology expands to healthy and lower‐risk populations, the burden and predictors of procedure‐related complications including the need for permanent pacemaker (PPM) implantation needs to be identified. Methods and Results Digital databases were systematically searched to identify studies reporting the incidence of PPM implantation after TAVR. A random‐ and fixed‐effects model was used to calculate unadjusted odds ratios (OR) for all predictors. A total of 78 studies, recruiting 31 261 patients were included in the final analysis. Overall, 6212 patients required a PPM, with a mean of 18.9% PPM per study and net rate ranging from 0.16% to 51%. The pooled estimates on a random‐effects model indicated significantly higher odds of post‐TAVR PPM implantation for men (OR, 1.16; 95% CI, 1.04–1.28); for patients with baseline mobitz type‐1 second‐degree atrioventricular block (OR, 3.13; 95% CI, 1.64–5.93), left anterior hemiblock (OR, 1.43; 95% CI, 1.09–1.86), bifascicular block (OR, 2.59; 95% CI, 1.52–4.42), right bundle‐branch block (OR, 2.48; 95% CI, 2.17–2.83), and for periprocedural atriorventricular block (OR, 4.17; 95% CI, 2.69–6.46). The mechanically expandable valves had 1.44 (95% CI, 1.18–1.76), while self‐expandable valves had 1.93 (95% CI, 1.42–2.63) fold higher odds of PPM requirement compared with self‐expandable and balloon‐expandable valves, respectively. Conclusions Male sex, baseline atrioventricular conduction delays, intraprocedural atrioventricular block, and use of mechanically expandable and self‐expanding prosthesis served as positive predictors of PPM implantation in patients undergoing TAVR.
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Affiliation(s)
- Waqas Ullah
- Thomas Jefferson University Hospitals Philadelphia PA
| | | | | | | | | | | | - Maryam Mukhtar
- University Hospitals of Leicester NHS Trust Leicester UK
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Conduction Disturbances and Permanent Pacemaker Implantation after Transcatheter Aortic Valve Replacement: Predictors and Prevention. Cardiol Rev 2021; 30:179-187. [PMID: 34132653 DOI: 10.1097/crd.0000000000000398] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Conduction disturbances and permanent pacemaker implantation (PPMI) remain a frequent and important consequence of transcatheter aortic valve replacement (TAVR). Understanding risk factors for TAVR-related conduction disturbances could improve patient selection, procedural techniques, and peri-procedural efforts for monitoring and treatment of heart block. Several studies have identified patient-related and procedural factors associated with new-onset left bundle branch block, high-degree atrioventricular block, and the need for PPMI after TAVR. Notable patient-related predictors include pre-existing right bundle branch block, membranous septal length, and calcification of the left ventricular outflow tract. Modifiable procedural predictors include device implantation depth, prosthesis oversizing, and valve type. This review aims to summarize the current literature examining predictors of conduction disturbances and PPMI after TAVR, particularly with regard to the newer-generation valve types. We also propose a management algorithm for the management of conduction disturbances post-procedure.
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36
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Ancona MB, Toscano E, Moroni F, Ferri LA, Russo F, Bellini B, Sorropago A, Mula C, Festorazzi C, Gamardella M, Vella C, Beneduce A, Romano V, Belluschi I, Buzzatti N, Agricola E, Montorfano M. Patients younger than 70 undergoing transcatheter aortic valve implantation: Procedural outcomes and mid-term survival. IJC HEART & VASCULATURE 2021; 34:100817. [PMID: 34169142 PMCID: PMC8207181 DOI: 10.1016/j.ijcha.2021.100817] [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: 05/16/2021] [Accepted: 05/31/2021] [Indexed: 11/24/2022]
Abstract
INTRODUCTION Based on recent data, the indication for transcatheter aortic valve implantation (TAVI) is expanding to individuals at lower surgical risk, who are generally younger than subjects historically treated for severe aortic stenosis. Indeed, younger patients have traditionally been under-represented in current TAVI literature. The aim of the present study is to report about clinical features, procedural outcomes and mid-term outcomes of patients younger than 70 who underwent TAVI in a single high-volume center. MATERIALS AND METHODS Consecutive patients younger than 70 years of age who underwent TAVI for severe, symptomatic aortic stenosis between 2007 and 2019 at a single, tertiary referral center have been included in this retrospective study. Procedural and mid-term outcomes were analyzed, comparing 1st generation with 2nd generation devices. RESULTS Between 2007 and 2019, 1740 TAVI procedures were performed in our center. Among these, one hundred twenty-nine (7.4%) patients were younger than 70 years at the time of the intervention and were included in the present analysis. Fifty-eight patients (45%) were implanted with a 1st generation prosthesis while seventy-one patients (55%) were implanted with a 2nd generation device. Reasons which lead to a transcatheter approach in this population were: previous CABG (27.9%); porcelain aorta (24%); severe left ventricular systolic dysfunction (21.7%); prior chest radiation (19.4%); severe lung disease (8.5%); hemodynamic instability (7.0%); advanced liver disease (4.6%) and active cancer (3.9%). Overall device success rate was 89%, with no differences among 1st and 2nd generation devices. Threeyears all-cause mortality was 34%, with no difference among the two groups. Low incidence of aortic-valve re-intervention was observed at mid-term follow-up (late valve re-intervention = 2.3%). CONCLUSIONS TAVI in young patient with appropriate indication for intervention is a safe procedure, associated with low rate of in hospital mortality and low rate of severe complications both with 1st and with 2nd generation devices. When considering long term durability, more data are needed; in our case series long-term follow up shows a good survival and also an extremely low rate of valve re-intervention.
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Affiliation(s)
- Marco B. Ancona
- Interventional Cardiology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Evelina Toscano
- Interventional Cardiology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
- Interventional Cardiology Department, Policlinico di Monza, Monza, Italy
| | - Francesco Moroni
- Interventional Cardiology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Luca A. Ferri
- Interventional Cardiology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Filippo Russo
- Interventional Cardiology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Barbara Bellini
- Interventional Cardiology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Antonio Sorropago
- Interventional Cardiology Department, Policlinico di Monza, Monza, Italy
| | - Caterina Mula
- Interventional Cardiology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Costanza Festorazzi
- Interventional Cardiology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Marco Gamardella
- Interventional Cardiology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Ciro Vella
- Interventional Cardiology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Alessandro Beneduce
- Interventional Cardiology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Vittorio Romano
- Interventional Cardiology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Igor Belluschi
- Heart Surgery Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Nicola Buzzatti
- Heart Surgery Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Eustachio Agricola
- Cardiovascular Imaging Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Matteo Montorfano
- Interventional Cardiology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
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Keiler J, Meinel FG, Ortak J, Weber MA, Wree A, Streckenbach F. Morphometric Characterization of Human Coronary Veins and Subvenous Epicardial Adipose Tissue-Implications for Cardiac Resynchronization Therapy Leads. Front Cardiovasc Med 2021; 7:611160. [PMID: 33426007 PMCID: PMC7793918 DOI: 10.3389/fcvm.2020.611160] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 11/16/2020] [Indexed: 11/13/2022] Open
Abstract
Subvenous epicardial fat tissue (SEAT), which acts as an electrical insulation, and the venous diameter (VD) both constitute histomorphological challenges for optimal application and lead design in cardiac synchronization therapy (CRT). In this study, we characterized the morphology of human coronary veins to improve the technical design of future CRT systems and to optimize the application of CRT leads. We retrospectively analyzed data from cardiac computed tomography (CT) of 53 patients and did studies of 14 human hearts using the postmortem freeze section technique and micro CT. Morphometric parameters (tributary distances, offspring angles, luminal VD, and SEAT thickness) were assessed. The left posterior ventricular vein (VVSP) had a mean proximal VD of 4.0 ± 1.4 mm, the left marginal vein (VMS) of 3.2 ± 1.5 mm and the anterior interventricular vein (VIA) of 3.9 ± 1.3 mm. More distally (5 cm), VDs decreased to 2.4 ± 0.6 mm, 2.3 ± 0.7 mm, and 2.4 ± 0.6 mm, respectively. In their proximal portions (15 mm), veins possessed mean SEAT thicknesses of 3.2 ± 2.4 (VVSP), 3.4 ± 2.4 mm (VMS), and 4.2 ± 2.8 mm (VIA), respectively. More distally (20-70 mm), mean SEAT thicknesses decreased to alternating low levels of 1.3 ± 1.1 mm (VVSP), 1.7 ± 1.1 mm (VMS), and 4.3 ± 2.6 mm (VIA), respectively. In contrast to the VD, SEAT thicknesses alternated along the further distal vein course and did not display a continuous decrease. Besides the CRT responsiveness of different areas of the LV myocardium, SEAT is a relevant electrophysiological factor in CRT, potentially interfering with sensing and pacing. A sufficient VD is crucial for successful CRT lead placement. Measurements revealed a trend toward greater SEAT thickness for the VIA compared to VVSP and VMS, suggesting a superior signal-to-noise-ratio in VVSP and VMS.
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Affiliation(s)
- Jonas Keiler
- Department of Anatomy, Rostock University Medical Center, Rostock, Germany
| | - Felix G Meinel
- Institute of Diagnostic and Interventional Radiology, Pediatric Radiology and Neuroradiology, Rostock University Medical Center, Rostock, Germany
| | - Jasmin Ortak
- Rhythmology and Clinical Electrophysiology, Divisions of Cardiology, Rostock University Medical Center, Rostock, Germany
| | - Marc-André Weber
- Institute of Diagnostic and Interventional Radiology, Pediatric Radiology and Neuroradiology, Rostock University Medical Center, Rostock, Germany
| | - Andreas Wree
- Department of Anatomy, Rostock University Medical Center, Rostock, Germany
| | - Felix Streckenbach
- Institute of Diagnostic and Interventional Radiology, Pediatric Radiology and Neuroradiology, Rostock University Medical Center, Rostock, Germany.,Center for Transdisciplinary Neurosciences Rostock (CTNR), Rostock University Medical Center, Rostock, Germany
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Lilly SM, Deshmukh AJ, Epstein AE, Ricciardi MJ, Shreenivas S, Velagapudi P, Wyman JF. 2020 ACC Expert Consensus Decision Pathway on Management of Conduction Disturbances in Patients Undergoing Transcatheter Aortic Valve Replacement. J Am Coll Cardiol 2020; 76:2391-2411. [DOI: 10.1016/j.jacc.2020.08.050] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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39
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Alperi A, Muntané-Carol G, Freitas-Ferraz AB, Junquera L, Del Val D, Faroux L, Philippon F, Rodés-Cabau J. Overcoming the transcatheter aortic valve replacement Achilles heel: conduction abnormalities-a systematic review. Ann Cardiothorac Surg 2020; 9:429-441. [PMID: 33312901 DOI: 10.21037/acs-2020-av-40] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Background Transcatheter aortic valve replacement (TAVR) has been shown to be a good alternative to surgery for treating severe symptomatic aortic stenosis (AS) across the whole range of surgical risk patients. Whereas most periprocedural TAVR complications have significantly decreased over time, conduction disturbances remain high. Approaches to decrease this shortcoming are under continuous investigation. Methods We conducted a systematic review focusing on modifiable factors impacting post-TAVR conduction disturbances, such as balloon aortic valvuloplasty (BAV), type of new-generation transcatheter valve and implantation depth (ID). Search strategies were based on the best available evidence from each study. Primary endpoints were post-TAVR need of permanent pacemaker implantation (PPI) and new onset left bundle branch block (NOLBBB). Results Data from 35 studies with a total of 29,982 patients were analyzed. BAV did not negatively impact PPI rates after TAVR. In propensity-matched and randomized trials, the Evolut R valve was associated with higher rates of PPI compared to the Sapien 3 valve (25% vs. 19.2% in propensity-matched studies; 22.9% vs. 19% in a randomized trial). The Acurate Neo valve was associated with the lowest PPI rate in observational studies (10.4%), but a PPI rate similar to Sapien 3 was reported in a randomized trial (10% vs. 9%). The Portico valve system was associated with a higher PPI risk (PPI rate of 21.9% and 27.7% in propensity-matched and randomized studies, respectively). ID and its relation with the membranous septum (MS) length predicted post-TAVR conduction disturbances, particularly with Evolut R and Sapien 3 valves. Conclusions Pre-TAVR BAV did not increase the risk of conduction disturbances post-TAVR. Among the new-generation transcatheter valve systems, Sapien 3 and Acurate Neo valves were associated with the lowest PPI rates followed by the Evolut and Portico valves. A deeper valve implantation and a shorter MS length determined an increased risk of conduction disturbances post-TAVR.
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Affiliation(s)
- Alberto Alperi
- Quebec Heart & Lung Institute, Laval University, Quebec City, Quebec, Canada
| | | | | | - Lucia Junquera
- Quebec Heart & Lung Institute, Laval University, Quebec City, Quebec, Canada
| | - David Del Val
- Quebec Heart & Lung Institute, Laval University, Quebec City, Quebec, Canada
| | - Laurent Faroux
- Quebec Heart & Lung Institute, Laval University, Quebec City, Quebec, Canada
| | - François Philippon
- Quebec Heart & Lung Institute, Laval University, Quebec City, Quebec, Canada
| | - Josep Rodés-Cabau
- Quebec Heart & Lung Institute, Laval University, Quebec City, Quebec, Canada
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40
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Manuel AM, Almeida J, Guerreiro C, Dias T, Barbosa A, Teixeira P, Ribeiro J, Dias A, Caeiro D, Fonseca M, Teixeira M, Oliveira M, Gonçalves H, Primo J, Rodrigues A, Gama V, Braga P, Fontes-Carvalho R. The effects of transcatheter aortic valve implantation on cardiac electrical properties. Rev Port Cardiol 2020; 39:431-440. [DOI: 10.1016/j.repc.2020.02.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2019] [Revised: 12/31/2019] [Accepted: 02/22/2020] [Indexed: 11/26/2022] Open
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Manuel AM, Almeida J, Guerreiro C, Dias T, Barbosa A, Teixeira P, Ribeiro J, Dias A, Caeiro D, Fonseca M, Teixeira M, Oliveira M, Gonçalves H, Primo J, Rodrigues A, Gama V, Braga P, Fontes-Carvalho R. The effects of transcatheter aortic valve implantation on cardiac electrical properties. REVISTA PORTUGUESA DE CARDIOLOGIA (ENGLISH EDITION) 2020. [DOI: 10.1016/j.repce.2020.02.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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42
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Guo J, Li L, Xiao G, Huang X, Li Q, Wang Y, Cai B. Feasibility and stability of left bundle branch pacing in patients after prosthetic valve implantation. Clin Cardiol 2020; 43:1110-1118. [PMID: 32609400 PMCID: PMC7533988 DOI: 10.1002/clc.23413] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 06/07/2020] [Accepted: 06/10/2020] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Left bundle branch pacing (LBBP) has emerged as a promising pacing modality for preventing pacing induced cardiomyopathy in patients complicated with conduction abnormalities (CAs) after prosthetic valve (PV) implantation. OBJECTIVE The present study aimed to evaluate the safety and feasibility of LBBP in this patient population. METHODS LBBP was attempted in 20 patients complicated with atrioventricular block after PV implantation. Surface, intracardiac electrical measurements, and echocardiographic data were documented. Lead parameters and complications were routinely tracked at implantation and each follow-up visit. RESULTS LBBP was successful in 90% (18/20) participants. The paced QRS duration and the stimulus to left ventricular activation time were 106.8 ± 6.8 ms and 65.5 ± 5.4 ms, respectively. Left bundle branch (LBB) potential was recorded in 61.1% (11/18) patients who succeeded in LBBP. During the procedure, the mean unipolar myocardium capture threshold was 0.51 ± 0.15 V@0.4 ms while the unipolar bundle capture threshold was 0.84 ± 0.51 V@0.4 ms. The mean fluoroscopic exposure time and the radiation dose were 13.0 ± 9.2 min and 81.7 ± 8.3 mGy, respectively. The average follow-up period was 10.4 ± 5.9 months (range 3-23 months). Pacing parameters remained stable and no significant lead-related complications occurred during the whole observation period. CONCLUSIONS LBBP was safe and feasible in patients with PVs. Acceptable and stable pacing parameters could be expected during the procedure and the follow-ups.
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Affiliation(s)
- Jincun Guo
- Division of Cardiology, Xiamen Cardiovascular Hospital, Xiamen University, Xiamen, Fujian, China
| | - Linlin Li
- Division of Cardiology, Xiamen Cardiovascular Hospital, Xiamen University, Xiamen, Fujian, China
| | - Guosheng Xiao
- Division of Cardiology, Xiamen Cardiovascular Hospital, Xiamen University, Xiamen, Fujian, China
| | - Xinyi Huang
- Division of Echocardiography, Xiamen Cardiovascular Hospital, Xiamen University, Xiamen, Fujian, China
| | - Qiang Li
- Division of Cardiology, Xiamen Cardiovascular Hospital, Xiamen University, Xiamen, Fujian, China
| | - Yan Wang
- Division of Cardiology, Xiamen Cardiovascular Hospital, Xiamen University, Xiamen, Fujian, China
| | - Binni Cai
- Division of Cardiology, Xiamen Cardiovascular Hospital, Xiamen University, Xiamen, Fujian, China
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De Almeida MC, Sanchez-Quintana D, Anderson RH. The membranous septum revisited: A glimpse of our anatomical past. Clin Anat 2020; 34:178-186. [PMID: 32249445 DOI: 10.1002/ca.23599] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2020] [Revised: 03/26/2020] [Accepted: 03/31/2020] [Indexed: 01/08/2023]
Abstract
The so-called membranous septum is the fibrous component of the septal structures within the heart. It is relatively subtle in its appearance, but of considerable significance to the understanding of cardiac function and cardiac disease, both congenital and acquired. Surprisingly, its existence was seemingly unknown until the early decades of the 19th century. At this time, those writing in the English language described it as the "undefended space," recognizing its importance in the setting of its aneurysmal dilation, and as the site of septal defects. By the initial decade of the 20th century, it had come to be recognized as the landmark to the site of atrioventricular bundle. Over the first decade of the 21st century, its clinical significance has been emphasized in the context of transcutaneous replacement of the aortic valve. In this review, we describe our own recent investigations of this fibrous part of the septal structures. At the same time, we provide a glimpse of our anatomic past, explaining how its initial description relied on the observations of young physicians taking their first steps in the investigation of cardiac anatomy.
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Affiliation(s)
- Marcos C De Almeida
- Department of Genetics and Morphology, Brasilia's University, Brasilia, Brazil
| | - Damian Sanchez-Quintana
- Department of Human Anatomy and Cell Biology, Faculty of Medicine, University of Extremadura, Badajoz, Spain
| | - Robert H Anderson
- Institute of Genetic Medicine, Newcastle University, Newcastle-upon-Tyne, UK
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Alperi Garcia A, Muntané-Carol G, Junquera L, del Val D, Faroux L, Philippon F, Rodés-Cabau J. Can we reduce conduction disturbances following transcatheter aortic valve replacement? Expert Rev Med Devices 2020; 17:309-322. [DOI: 10.1080/17434440.2020.1741349] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
| | | | - Lucia Junquera
- Quebec Heart & Lung Institute, Laval University, Quebec City, QC, Canada
| | - David del Val
- Quebec Heart & Lung Institute, Laval University, Quebec City, QC, Canada
| | - Laurent Faroux
- Quebec Heart & Lung Institute, Laval University, Quebec City, QC, Canada
| | - François Philippon
- Quebec Heart & Lung Institute, Laval University, Quebec City, QC, Canada
| | - Josep Rodés-Cabau
- Quebec Heart & Lung Institute, Laval University, Quebec City, QC, Canada
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Toba T, Mori S, Izawa Y, Toh H, Tsuda D, Shimoyama S, Kawamori H, Otake H, Tanaka H, Fujiwara S, Hirata KI. Ascending aortic elongation and correlative change in overall configuration of the proximal aorta in elderly patients with severe aortic stenosis. Clin Anat 2020; 33:1240-1248. [PMID: 32012343 DOI: 10.1002/ca.23575] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 01/11/2020] [Accepted: 01/22/2020] [Indexed: 01/16/2023]
Abstract
BACKGROUND Configurational changes in the proximal aorta are relevant to the procedural difficulty of transcatheter aortic valve implantation (TAVI). Among several morphological changes involving the ascending aorta, elongation is characteristics of elderly patients with aortic stenosis and can compromise the success and safety of TAVI. However, the effect of ascending aortic elongation on the overall morphology of the proximal aorta has not been established. AIMS Our primary purpose was to investigate the effect of ascending aortic elongation on structural changes in the proximal aorta in TAVI candidates. MATERIALS & METHODS In total, 121 consecutive patients with severe aortic stenosis (mean age, 84.5 ± 5.3 years; 69% women) who had undergone preprocedural computed tomography before TAVI were enrolled. We examined the structural anatomy of the proximal aorta in detail, focusing on its elongation, dilatation, tilting, rotation, and wedging. RESULTS The mean length of the ascending aorta was 68.0 ± 9.2 mm, and the length was significantly correlated with dilatation (R = .278, p = .002), rightward tilting (R = .437, p < .001), clockwise rotation (R = .228, p = .018), and deep wedging (R = -.366, p < .001) of the proximal aorta. Elongation of the ascending aorta was correlated with dilatation, rightward tilting, clockwise rotation, and deep wedging of the proximal aorta in an elderly population with severe aortic stenosis. DISCUSSION Appreciation of the clinical anatomy around the proximal aorta is required for clinicians involved in TAVI to estimate the procedural difficulty. CONCLUSION Elongation of the ascending aorta was associated with dilatation, rightward tilting, clockwise rotation, and deep wedging of the proximal aorta.
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Affiliation(s)
- Takayoshi Toba
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Shumpei Mori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yu Izawa
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroyuki Toh
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Daisuke Tsuda
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Shinsuke Shimoyama
- Department of Radiology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroyuki Kawamori
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiromasa Otake
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hidekazu Tanaka
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Sei Fujiwara
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Ken-Ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
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Third generation dual source CT with ultra-high pitch protocol for TAVI planning and coronary tree assessment: feasibility, image quality and diagnostic performance. Eur J Radiol 2020; 122:108749. [DOI: 10.1016/j.ejrad.2019.108749] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Revised: 11/07/2019] [Accepted: 11/12/2019] [Indexed: 01/14/2023]
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