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Mascarenhas LA, Ji Y, Wang W, Inciardi RM, Parikh RR, Eaton AA, Cheng S, Alonso A, Matsushita K, Shah AM, Solomon SD, Meyer ML, Chen LY, Zhang MJ. Association of central arterial stiffness with atrial myopathy: the Atherosclerosis Risk in Communities (ARIC) study. Hypertens Res 2024:10.1038/s41440-024-01831-3. [PMID: 39117948 DOI: 10.1038/s41440-024-01831-3] [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: 05/26/2024] [Revised: 07/06/2024] [Accepted: 07/10/2024] [Indexed: 08/10/2024]
Abstract
Atrial myopathy-defined as abnormal left atrial (LA) size and function-is associated with an increased risk of atrial fibrillation, heart failure, and dementia. Central arterial stiffness is associated with increased atrial afterload and fibrosis and may be a risk factor for atrial myopathy. We examined the association of carotid-femoral pulse wave velocity (cfPWV) with LA function and assessed potential causal relationships. We included 2825 Atherosclerosis Risk in Communities (ARIC) study participants from Visit 5 (2011-2013). cfPWV was related to echocardiographic LA function continuously per 1-SD and categorically in quartiles. Mendelian randomization (MR) analysis was performed using U.K. Biobank-derived genetic variants associated with arterial stiffness index and cardiac magnetic resonance measures of LA function. When analyzed per SD increment (297.6 cm/s), higher cfPWV was significantly associated with lower LA reservoir and conduit strain (β = -0.53%, 95% CI [-0.81, -0.25] and β = -0.46%, 95% CI [-0.68, -0.25], respectively) after adjusting for demographics, clinical characteristics, systolic blood pressure, and left ventricular (LV) morphology and function. In MR analyses there was a non-significant inverse association of arterial stiffness index with LA total, passive, and active emptying fractions. Higher cfPWV is associated with lower LA reservoir and conduit strain, independent of systolic blood pressure and LV morphology and function. No evidence for a causal relationship between arterial stiffness index and alterations in LA function was found. Future studies should examine the prospective association of central arterial stiffness with LA function alterations.
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Affiliation(s)
- Lorraine A Mascarenhas
- Cardiovascular Division, Department of Medicine, University of Minnesota Medical School, Minneapolis, MN, USA
- Lillehei Heart Institute, University of Minnesota Medical School, Minneapolis, MN, USA
| | - Yuekai Ji
- Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
| | - Wendy Wang
- Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, MN, USA
| | - Riccardo M Inciardi
- Institute of Cardiology, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, Brescia, Italy
| | - Romil R Parikh
- Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, MN, USA
| | - Anne A Eaton
- Division of Biostatistics and Health Data Science, School of Public Health, University of Minnesota, Minneapolis, MN, USA
| | - Susan Cheng
- Department of Cardiology, Cedars-Sinai Smidt Heart Institute, Los Angeles, CA, USA
| | - Alvaro Alonso
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Kunihiro Matsushita
- Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
| | - Amil M Shah
- Division of Cardiology, Department of Medicine, UT Southwestern Medical Center, Dallas, TX, USA
| | - Scott D Solomon
- Cardiovascular Division, Brigham and Women's Hospital, Boston, MA, USA
| | - Michelle L Meyer
- Department of Emergency Medicine, University of North Carolina at Chapel Hill, North Carolina, USA
| | - Lin Yee Chen
- Cardiovascular Division, Department of Medicine, University of Minnesota Medical School, Minneapolis, MN, USA
- Lillehei Heart Institute, University of Minnesota Medical School, Minneapolis, MN, USA
| | - Michael J Zhang
- Cardiovascular Division, Department of Medicine, University of Minnesota Medical School, Minneapolis, MN, USA.
- Lillehei Heart Institute, University of Minnesota Medical School, Minneapolis, MN, USA.
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Peigh G, Zhou J, Rosemas SC, Roberts AI, Longacre C, Trinh K, Nayak T, Soderlund D, Passman RS. Association of Atrial Fibrillation Burden and Mortality Among Patients With Cardiac Implantable Electronic Devices. Circulation 2024; 150:350-361. [PMID: 38940005 PMCID: PMC11286354 DOI: 10.1161/circulationaha.124.069757] [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] [Received: 04/19/2024] [Accepted: 05/10/2024] [Indexed: 06/29/2024]
Abstract
BACKGROUND Current estimates of atrial fibrillation (AF)-associated mortality rely on claims- or clinical-derived diagnoses of AF, limit AF to a binary entity, or are confounded by comorbidities. The objective of the present study is to assess the association between device-recognized AF and mortality among patients with cardiac implantable electronic devices capable of sensitive and continuous atrial arrhythmia detection. Secondary outcomes include relative mortality among cohorts with no AF, paroxysmal AF, persistent AF, and permanent AF. METHODS Using the deidentified Optum Clinformatics US claims database (2015 to 2020) linked to the Medtronic CareLink database, we identified individuals with a cardiac implantable electronic device who transmitted data ≥6 months after implantation. AF burden was assessed during the first 6 months after implantation (baseline period). Subsequent mortality, assessed from claims data, was compared between patients with and without AF, with adjustment for age, geographic region, insurance type, Charlson Comorbidity Index, and implantation year. RESULTS Of 21 391 patients (age, 72.9±10.9 years; 56.3% male) analyzed, 7798 (36.5%) had device-recognized AF. During a mean of 22.4±12.9 months (median, 20.1 [12.8-29.7] months) of follow-up, the overall incidence of mortality was 13.5%. Patients with AF had higher adjusted all-cause mortality than patients without AF (hazard ratio, 1.29 [95% CI, 1.20-1.39]; P<0.001). Among those with AF, patients with nonparoxysmal AF had the greatest risk of mortality (persistent AF versus paroxysmal AF: hazard ratio, 1.36 [95% CI, 1.18-1.58]; P<.001; permanent AF versus paroxysmal AF: hazard ratio, 1.23 [95% CI, 1.14-1.34]; P<.001). CONCLUSIONS After adjustment for potential confounding factors, the presence of AF was associated with higher mortality in our cohort of patients with cardiac implantable electronic devices. Among those with AF, nonparoxysmal AF was associated with the greatest risk of mortality.
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Affiliation(s)
- Graham Peigh
- Division of Cardiology, Northwestern University, Feinberg School of Medicine, Chicago, IL (G.P., K.T., T.N., R.S.P.)
| | - Jiani Zhou
- Medtronic Inc, Minneapolis, MN (J.Z., S.C.R., A.I.R., C.L., D.S.)
| | - Sarah C. Rosemas
- Medtronic Inc, Minneapolis, MN (J.Z., S.C.R., A.I.R., C.L., D.S.)
| | - Anthony I. Roberts
- Medtronic Inc, Minneapolis, MN (J.Z., S.C.R., A.I.R., C.L., D.S.)
- Brown University School of Public Health, Providence, RI (A.I.R.)
| | - Colleen Longacre
- Medtronic Inc, Minneapolis, MN (J.Z., S.C.R., A.I.R., C.L., D.S.)
| | - Katherine Trinh
- Division of Cardiology, Northwestern University, Feinberg School of Medicine, Chicago, IL (G.P., K.T., T.N., R.S.P.)
| | - Tanvi Nayak
- Division of Cardiology, Northwestern University, Feinberg School of Medicine, Chicago, IL (G.P., K.T., T.N., R.S.P.)
| | - Dana Soderlund
- Medtronic Inc, Minneapolis, MN (J.Z., S.C.R., A.I.R., C.L., D.S.)
| | - Rod S. Passman
- Division of Cardiology, Northwestern University, Feinberg School of Medicine, Chicago, IL (G.P., K.T., T.N., R.S.P.)
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Campora A, Lisi M, Pastore MC, Mandoli GE, Ferrari Chen YF, Pasquini A, Rubboli A, Henein MY, Cameli M. Atrial Fibrillation, Atrial Myopathy, and Thromboembolism: The Additive Value of Echocardiography and Possible New Horizons for Risk Stratification. J Clin Med 2024; 13:3921. [PMID: 38999487 PMCID: PMC11242512 DOI: 10.3390/jcm13133921] [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: 04/12/2024] [Revised: 06/22/2024] [Accepted: 07/01/2024] [Indexed: 07/14/2024] Open
Abstract
Atrial fibrillation (AF) is the most common cardiac sustained arrhythmia, and it is associated with increased stroke and dementia risk. While the established paradigm attributes these complications to blood stasis within the atria and subsequent thrombus formation with cerebral embolization, recent evidence suggests that atrial myopathy (AM) may play a key role. AM is characterized by structural and functional abnormalities of the atria, and can occur with or without AF. Moving beyond classifications based solely on episode duration, the 4S-AF characterization has offered a more comprehensive approach, incorporating patient's stroke risk, symptom severity, AF burden, and substrate assessment (including AM) for tailored treatment decisions. The "ABC" pathway emphasizes anticoagulation, symptom control, and cardiovascular risk modification and emerging evidence suggests broader benefits of early rhythm control strategies, potentially reducing stroke and dementia risk and improving clinical outcomes. However, a better integration of AM assessment into the current framework holds promise for further personalizing AF management and optimizing patient outcomes. This review explores the emerging concept of AM and its potential role as a risk factor for stroke and dementia and in AF patients' management strategies, highlighting the limitations of current risk stratification methods, like the CHA2DS2-VASc score. Echocardiography, particularly left atrial (LA) strain analysis, has shown to be a promising non-invasive tool for AM evaluation and recent studies suggest that LA strain analysis may be a more sensitive risk stratifier for thromboembolic events than AF itself, with some studies showing a stronger association between LA strain and thromboembolic events compared to traditional risk factors. Integrating it into routine clinical practice could improve patient management and targeted therapies for AF and potentially other thromboembolic events. Future studies are needed to explore the efficacy and safety of anticoagulation in AM patients with and without AF and to refine the diagnostic criteria for AM.
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Affiliation(s)
- Alessandro Campora
- Department of Medical Biotechnologies, Division of Cardiology, University of Siena, Viale Bracci 1, 53100 Siena, Italy
| | - Matteo Lisi
- Department of Emergency, Internal Medicine and Cardiology-AUSL Romagna, Division of Cardiology, Ospedale S. Maria delle Croci, Viale Randi 5, 48121 Ravenna, Italy
| | - Maria Concetta Pastore
- Department of Medical Biotechnologies, Division of Cardiology, University of Siena, Viale Bracci 1, 53100 Siena, Italy
| | - Giulia Elena Mandoli
- Department of Medical Biotechnologies, Division of Cardiology, University of Siena, Viale Bracci 1, 53100 Siena, Italy
| | - Yu Fu Ferrari Chen
- Cardiovascular Division, Pisa University Hospital and University of Pisa, Via Paradisa 2, 56124 Pisa, Italy
| | - Annalisa Pasquini
- Department of Cardiovascular and Thoracic Sciences, Fondazione Policlinico Universitario A. Gemelli IRCCS, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Andrea Rubboli
- Department of Emergency, Internal Medicine and Cardiology-AUSL Romagna, Division of Cardiology, Ospedale S. Maria delle Croci, Viale Randi 5, 48121 Ravenna, Italy
| | - Michael Y Henein
- Department of Public Health and Clinical Medicine, Umeå University, 90187 Umeå, Sweden
| | - Matteo Cameli
- Department of Medical Biotechnologies, Division of Cardiology, University of Siena, Viale Bracci 1, 53100 Siena, Italy
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Patel RB, Shah SJ. Left Atrial Myopathy in Heart Failure With Preserved Ejection: Don't Raise the Roof! Circ Cardiovasc Imaging 2024; 17:e017137. [PMID: 39012952 PMCID: PMC11257381 DOI: 10.1161/circimaging.124.017137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/18/2024]
Affiliation(s)
- Ravi B. Patel
- Division of Cardiology, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - Sanjiv J. Shah
- Division of Cardiology, Northwestern University Feinberg School of Medicine, Chicago, IL
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Lange T, Backhaus SJ, Schulz A, Hashemi D, Evertz R, Kowallick JT, Hasenfuß G, Kelle S, Schuster A. CMR-based cardiac phenotyping in different forms of heart failure. Int J Cardiovasc Imaging 2024; 40:1585-1596. [PMID: 38878148 PMCID: PMC11258094 DOI: 10.1007/s10554-024-03145-4] [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] [Received: 01/27/2024] [Accepted: 05/15/2024] [Indexed: 07/19/2024]
Abstract
Heart failure (HF) is a heterogenous disease requiring precise diagnostics and knowledge of pathophysiological processes. Since structural and functional imaging data are scarce we hypothesized that cardiac magnetic resonance (CMR)-based analyses would provide accurate characterization and mechanistic insights into different HF groups comprising preserved (HFpEF), mid-range (HFmrEF) and reduced ejection fraction (HFrEF). 22 HFpEF, 17 HFmrEF and 15 HFrEF patients as well as 19 healthy volunteers were included. CMR image assessment contained left atrial (LA) and left ventricular (LV) volumetric evaluation as well as left atrioventricular coupling index (LACI). Furthermore, CMR feature-tracking included LV and LA strain in terms of reservoir (Es), conduit (Ee) and active boosterpump (Ea) function. CMR-based tissue characterization comprised T1 mapping as well as late-gadolinium enhancement (LGE) analyses. HFpEF patients showed predominant atrial impairment (Es 20.8%vs.25.4%, p = 0.02 and Ee 8.3%vs.13.5%, p = 0.001) and increased LACI compared to healthy controls (14.5%vs.23.3%, p = 0.004). Patients with HFmrEF showed LV enlargement but mostly preserved LA function with a compensatory increase in LA boosterpump (LA Ea: 15.0%, p = 0.049). In HFrEF LA and LV functional impairment was documented (Es: 14.2%, Ee: 5.4% p < 0.001 respectively; Ea: 8.8%, p = 0.02). This was paralleled by non-invasively assessed progressive fibrosis (T1 mapping and LGE; HFrEF > HFmrEF > HFpEF). CMR-imaging reveals insights into HF phenotypes with mainly atrial affection in HFpEF, ventricular affection with atrial compensation in HFmrEF and global impairment in HFrEF paralleled by progressive LV fibrosis. These data suggest a necessity for a personalized HF management based on imaging findings for future optimized patient management.
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Affiliation(s)
- Torben Lange
- Department of Cardiology and Pneumology, University Medical Center Göttingen, Georg-August University, Göttingen, Germany
- German Centre of Cardiovascular Research (DZHK), partner site Lower Saxony, Göttingen, Germany
| | - Sören J Backhaus
- Department of Cardiology, Campus Kerckhoff of the Justus-Liebig-Universität Gießen, Kerckhoff-Clinic, Bad Nauheim, Germany
| | - Alexander Schulz
- Department of Cardiology and Pneumology, University Medical Center Göttingen, Georg-August University, Göttingen, Germany
- German Centre of Cardiovascular Research (DZHK), partner site Lower Saxony, Göttingen, Germany
| | - Djawid Hashemi
- Department of Internal Medicine/Cardiology, Charité Campus Virchow Clinic, Berlin, Germany
- German Centre for Cardiovascular Research (DZHK), partner site Berlin, Berlin, Germany
| | - Ruben Evertz
- Department of Cardiology and Pneumology, University Medical Center Göttingen, Georg-August University, Göttingen, Germany
- German Centre of Cardiovascular Research (DZHK), partner site Lower Saxony, Göttingen, Germany
| | - Johannes T Kowallick
- German Centre of Cardiovascular Research (DZHK), partner site Lower Saxony, Göttingen, Germany
- Institute for Diagnostic and Interventional Radiology, University Medical Center Göttingen, Georg-August University, Göttingen, Germany
| | - Gerd Hasenfuß
- Department of Cardiology and Pneumology, University Medical Center Göttingen, Georg-August University, Göttingen, Germany
- German Centre of Cardiovascular Research (DZHK), partner site Lower Saxony, Göttingen, Germany
| | - Sebastian Kelle
- Department of Internal Medicine/Cardiology, Charité Campus Virchow Clinic, Berlin, Germany
- German Centre for Cardiovascular Research (DZHK), partner site Berlin, Berlin, Germany
| | - Andreas Schuster
- Department of Cardiology and Pneumology, University Medical Center Göttingen, Georg-August University, Göttingen, Germany.
- German Centre of Cardiovascular Research (DZHK), partner site Lower Saxony, Göttingen, Germany.
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6
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Riccardi M, Cikes M, Adamo M, Pagnesi M, Lombardi CM, Solomon SD, Metra M, Inciardi RM. Functional Mitral Regurgitation and Heart Failure With Preserved Ejection Fraction: Clinical Implications and Management. J Card Fail 2024; 30:929-939. [PMID: 38522637 DOI: 10.1016/j.cardfail.2024.02.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 02/01/2024] [Accepted: 02/16/2024] [Indexed: 03/26/2024]
Abstract
Heart failure with preserved ejection fraction (HFpEF) is highly prevalent and associated with worse cardiovascular outcomes. The pathophysiology of HFpEF mostly relies on the development of elevated left ventricle filling pressure, diastolic dysfunction, and atrial dilatation and impairment. This dynamic process may eventually lead to the development of functional mitral regurgitation (MR), characterized by mitral annular dilatation and consequent leaflet remodeling, in the context of preserved left ventricular ejection fraction. These observations highlight the possible common pathophysiology of MR and HFpEF. However, less is known about the prevalence and the clinical value of MR in the context of HFpEF. This review aims to provide an overview of the association and interplay between functional MR and HFpEF, discuss the underlying mechanisms that are common to these diseases, and summarize potential targeted pharmacological treatments.
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Affiliation(s)
- Mauro Riccardi
- Institute of Cardiology, ASST Spedali Civili di Brescia, Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, University of Brescia, Italy.
| | - Maja Cikes
- Department of Cardiovascular Diseases, University of Zagreb School of Medicine, University Hospital Center Zagreb, Zagreb, Croatia
| | - Marianna Adamo
- Institute of Cardiology, ASST Spedali Civili di Brescia, Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, University of Brescia, Italy
| | - Matteo Pagnesi
- Institute of Cardiology, ASST Spedali Civili di Brescia, Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, University of Brescia, Italy
| | - Carlo Mario Lombardi
- Institute of Cardiology, ASST Spedali Civili di Brescia, Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, University of Brescia, Italy
| | - Scott David Solomon
- Division of Cardiovascular Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Marco Metra
- Institute of Cardiology, ASST Spedali Civili di Brescia, Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, University of Brescia, Italy
| | - Riccardo Maria Inciardi
- Institute of Cardiology, ASST Spedali Civili di Brescia, Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, University of Brescia, Italy
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7
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Wright SP, Goodman JM, Sasson Z, Granton JT, Mak S. Left atrial reservoir pressure-volume relations during exercise in healthy older adults. J Appl Physiol (1985) 2024; 136:901-907. [PMID: 38420677 DOI: 10.1152/japplphysiol.00905.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 02/14/2024] [Accepted: 02/21/2024] [Indexed: 03/02/2024] Open
Abstract
The left atrium (LA) mediates cardiopulmonary interactions. During ventricular systole, the LA functions as a compliant reservoir that is coupled to the left ventricle (LV) and offloads volume from the pulmonary vasculature. We aimed to describe LA reservoir function using phasic relationships between pulmonary artery wedge pressure (PAWP) and LA volume events. We included healthy adults (7 M/6 F, 56 ± 8 yr) who were studied at rest and during semirecumbent cycle ergometry at a target of 100 beats/min heart rate. Right heart catheterization was performed to record the PAWP and two-dimensional (2-D) echocardiography was used to measure LA and LV volumes. We manually measured A-wave, x-trough, V-wave, and y-trough PAWP beat-by-beat, as well as minimal, maximal, and precontraction biplane LA volumes. Heart rate increased by 40 ± 7 beats/min with exercise; stroke volume and cardiac output also rose. Although all phasic PAWP measurements increased with exercise, the x-V pressure pulse during LA filling doubled from 4 ± 2 to 8 ± 4 mmHg (P = 0.001). LA minimal volume was unchanged but maximal volume increased from 39 ± 9 to 48 ± 9 mL (P < 0.001) with exercise, and so reservoir volume increased from 24 ± 5 to 32 ± 8 mL (P < 0.001). As such, calculated LA compliance decreased from 6.8 ± 3.4 to 4.8 ± 2.6 mL/mmHg (P = 0.029). The product of V-wave PAWP and LA maximal volume, a surrogate for LA wall stress, increased from 486 ± 193 to 953 ± 457 mmHg·mL (P < 0.001). In healthy older adults during submaximal exercise, the PAWP waveform shifts upward and its amplitude widens, LA filling increases, LA compliance decreases modestly, and LA wall stress may augment substantially.NEW & NOTEWORTHY We combined invasive estimates of left atrial pressure with noninvasive left atrial volume measurements made at rest and during exercise in healthy humans. Left atrial pressure and volume both increased with exercise, though the pressure increase was relatively greater, and calculated compliance decreased modestly while estimated peak wall stress nearly doubled. Our results demonstrate left atrial loading during exercise in healthy older adults and provide insight into how the left atrium mediates cardiopulmonary interactions.
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Affiliation(s)
- Stephen P Wright
- Centre for Heart, Lung and Vascular Health, University of British Columbia, Kelowna, British Columbia, Canada
- Division of Cardiology, Sinai Health System/University Health Network, Toronto, Ontario, Canada
| | - Jack M Goodman
- Division of Cardiology, Sinai Health System/University Health Network, Toronto, Ontario, Canada
- Department of Exercise Sciences, University of Toronto, Toronto, Ontario, Canada
| | - Zion Sasson
- Division of Cardiology, Sinai Health System/University Health Network, Toronto, Ontario, Canada
| | - John T Granton
- Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada
- Division of Respirology, Sinai Health System/University Health Network, Toronto, Ontario, Canada
| | - Susanna Mak
- Division of Cardiology, Sinai Health System/University Health Network, Toronto, Ontario, Canada
- Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada
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8
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Tubeeckx MRL, De Keulenaer GW, Heidbuchel H, Segers VFM. Pathophysiology and clinical relevance of atrial myopathy. Basic Res Cardiol 2024; 119:215-242. [PMID: 38472506 DOI: 10.1007/s00395-024-01038-0] [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] [Received: 09/30/2023] [Revised: 02/01/2024] [Accepted: 02/02/2024] [Indexed: 03/14/2024]
Abstract
Atrial myopathy is a condition that consists of electrical, structural, contractile, and autonomic remodeling of the atria and is the substrate for development of atrial fibrillation, the most common arrhythmia. Pathophysiologic mechanisms driving atrial myopathy are inflammation, oxidative stress, atrial stretch, and neurohormonal signals, e.g., angiotensin-II and aldosterone. These mechanisms initiate the structural and functional remodeling of the atrial myocardium. Novel therapeutic strategies are being developed that target the pathophysiologic mechanisms of atrial myopathy. In this review, we will discuss the pathophysiology of atrial myopathy, as well as diagnostic and therapeutic strategies.
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Affiliation(s)
- Michiel R L Tubeeckx
- Laboratory of Physiopharmacology, Universiteitsplein 1, Building T (2nd Floor), 2610, Antwerp, Belgium.
| | - Gilles W De Keulenaer
- Laboratory of Physiopharmacology, Universiteitsplein 1, Building T (2nd Floor), 2610, Antwerp, Belgium
- Department of Cardiology, ZNA Middelheim Hospital Antwerp, Antwerp, Belgium
| | - Hein Heidbuchel
- Research Group Cardiovascular Diseases, GENCOR, University of Antwerp, Antwerp, Belgium
- Department of Cardiology, University Hospital Antwerp, Antwerp, Belgium
| | - Vincent F M Segers
- Laboratory of Physiopharmacology, Universiteitsplein 1, Building T (2nd Floor), 2610, Antwerp, Belgium
- Department of Cardiology, University Hospital Antwerp, Antwerp, Belgium
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9
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Mathew DT, Peigh G, Lima JA, Bielinski SJ, Larson NB, Allison MA, Shah SJ, Patel RB. Associations of Circulating Vascular Cell Adhesion Molecule-1 and Intercellular Adhesion Molecule-1 With Long-Term Cardiac Function. J Am Heart Assoc 2024; 13:e032213. [PMID: 38497480 PMCID: PMC11009988 DOI: 10.1161/jaha.123.032213] [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] [Received: 08/13/2023] [Accepted: 02/16/2024] [Indexed: 03/19/2024]
Abstract
BACKGROUND Although VCAM-1 (vascular cell adhesion molecule-1) and ICAM-1 (intercellular adhesion molecule-1) have been associated with incident heart failure with preserved ejection fraction (HFpEF) and atrial fibrillation (AF), the associations of VCAM-1 and ICAM-1 with sensitive measures of cardiac structure/function are unclear. The objective of this study is to evaluate associations between VCAM-1, ICAM-1, and measures of cardiac structure and function as potential pathways through which cellular adhesion molecules promote HFpEF and AF risk. METHODS AND RESULTS In MESA (Multi-Ethnic Study of Atherosclerosis), we evaluated the associations of circulating VCAM-1 and ICAM-1 at examination 2 (2002-2004) with measures of cardiac structure/function on cardiac magnetic resonance imaging at examination 5 (2010-2011) after multivariable adjustment. Mediation analysis of left atrial (LA) strain on the association between VCAM-1 or ICAM-1 and AF or HFpEF was also performed. Overall, 2304 individuals (63±10 years; 47% men) with VCAM-1 or ICAM-1, cardiac magnetic resonance imaging, and covariate data were included in analysis. Higher VCAM-1 and ICAM-1 were associated with lower LA peak longitudinal strain and worse global circumferential left ventricular strain but were not associated with left ventricular myocardial scar or interstitial fibrosis. Lower LA peak longitudinal strain mediated 8% (95% CI, 2-30) of the relationship between VCAM-1 and HFpEF and 9% (95% CI, 2-21) of the relationship between VCAM-1 and AF. CONCLUSIONS Higher VCAM-1 and ICAM-1 were associated with lower LA function and left ventricular systolic function but were not associated with myocardial scar or interstitial fibrosis. VCAM-1 and ICAM-1 may promote HFpEF and AF risk through impaired LA reservoir function.
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Affiliation(s)
| | - Graham Peigh
- Division of Cardiology, Department of MedicineNorthwestern University Feinberg School of MedicineChicagoIL
| | - Joao A.C. Lima
- Division of Cardiology, Department of MedicineJohns Hopkins UniversityBaltimoreMD
| | | | | | - Matthew A. Allison
- Division of Preventive Medicine, Department of Family MedicineUniversity of CaliforniaLa JollaCA
| | - Sanjiv J. Shah
- Division of Cardiology, Department of MedicineNorthwestern University Feinberg School of MedicineChicagoIL
- Department of Preventive MedicineNorthwestern University Feinberg School of MedicineChicagoIL
| | - Ravi B. Patel
- Division of Cardiology, Department of MedicineNorthwestern University Feinberg School of MedicineChicagoIL
- Department of Preventive MedicineNorthwestern University Feinberg School of MedicineChicagoIL
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10
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Levin MG, Aragam KG. Truncations of Titin and Left Atrial Cardiomyopathy: Comment on Henkens et al.'s article, Left Atrial Function in Patients With Titin Cardiomyopathy. J Card Fail 2024; 30:61-63. [PMID: 37451603 DOI: 10.1016/j.cardfail.2023.06.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 06/16/2023] [Indexed: 07/18/2023]
Affiliation(s)
- Michael G Levin
- University of Pennsylvania Perelman School of Medicine, Philadelphia, PA.
| | - Krishna G Aragam
- Massachusetts General Hospital and Harvard Medical School, Boston, MA; Broad Institute of MIT and Harvard, Cambridge, MA.
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11
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Deering TF, Goyal SK, Bhimani AA, Hoosien M, Karimianpour A, Krishnasamy KP, Nilsson KR, Omar A, Lakkireddy D, Gopinathannair R, Katapadi A, Sohns C. Atrial fibrillation ablation in heart failure patients: Where do we stand in 2023? - State of the art review. Pacing Clin Electrophysiol 2024; 47:88-100. [PMID: 38071456 DOI: 10.1111/pace.14888] [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: 09/21/2023] [Revised: 11/08/2023] [Accepted: 11/15/2023] [Indexed: 01/11/2024]
Abstract
Atrial fibrillation (AF) and heart failure are common overlapping cardiovascular disorders. Despite important therapeutic advances over the past several decades, controversy persists about whether a rate control or rhythm control approach constitutes the best option in this population. There is also considerable debate about whether antiarrhythmic drug therapy or ablation is the best approach when rhythm control is pursued. A brief historical examination of the literature addressing this issue will be performed. An analysis of several important clinical outcomes observed in the prospective, randomized studies, which have compared AF ablation to non-ablation treatment options, will be discussed. This review will conclude with recommendations to guide clinicians on the status of AF ablation as a treatment option when considering management options in heart failure patients with atrial fibrillation.
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Affiliation(s)
- Thomas F Deering
- Department of Cardiac Electrophysiology, Piedmont Heart Institute, Atlanta, Georgia, USA
- Department of Cardiology, Augusta University, Athens, Georgia, USA
| | - Sandeep K Goyal
- Department of Cardiac Electrophysiology, Piedmont Heart Institute, Atlanta, Georgia, USA
| | - Ashish A Bhimani
- Department of Cardiac Electrophysiology, Piedmont Heart Institute, Atlanta, Georgia, USA
| | - Michael Hoosien
- Department of Cardiac Electrophysiology, Piedmont Heart Institute, Atlanta, Georgia, USA
| | - Ahmadreza Karimianpour
- Department of Cardiac Electrophysiology, Piedmont Heart Institute, Atlanta, Georgia, USA
| | - Kavita P Krishnasamy
- Department of Cardiac Electrophysiology, Piedmont Heart Institute, Atlanta, Georgia, USA
| | - Kent R Nilsson
- Department of Cardiac Electrophysiology, Piedmont Heart Institute, Atlanta, Georgia, USA
- Department of Cardiology, Augusta University, Athens, Georgia, USA
| | - Abdullah Omar
- Department of Cardiac Electrophysiology, Piedmont Heart Institute, Atlanta, Georgia, USA
| | - Dhanunjaya Lakkireddy
- Kansas City Heart Rhythm Institute and Research Foundation, Overland Park, Kansas, USA
| | - Rakesh Gopinathannair
- Kansas City Heart Rhythm Institute and Research Foundation, Overland Park, Kansas, USA
| | - Aashish Katapadi
- Kansas City Heart Rhythm Institute and Research Foundation, Overland Park, Kansas, USA
| | - Christian Sohns
- Clinic for Electrophysiology, Herz- und Diabeteszentrum NRW, Ruhr-Universität Bochum, Bad Oeynhausen, Germany
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12
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Barefield DY, Tonino P, Woulfe KC, Rahmanseresht S, O’Leary TS, Burnham HV, Wasserstrom JA, Kirk JA, Previs MJ, Granzier HL, McNally EM. Myosin-binding protein H-like regulates myosin-binding protein distribution and function in atrial cardiomyocytes. Proc Natl Acad Sci U S A 2023; 120:e2314920120. [PMID: 38091294 PMCID: PMC10741380 DOI: 10.1073/pnas.2314920120] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 10/25/2023] [Indexed: 12/18/2023] Open
Abstract
Mutations in atrial-enriched genes can cause a primary atrial myopathy that can contribute to overall cardiovascular dysfunction. MYBPHL encodes myosin-binding protein H-like (MyBP-HL), an atrial sarcomere protein that shares domain homology with the carboxy-terminus of cardiac myosin-binding protein-C (cMyBP-C). The function of MyBP-HL and the relationship between MyBP-HL and cMyBP-C is unknown. To decipher the roles of MyBP-HL, we used structured illumination microscopy, immuno-electron microscopy, and mass spectrometry to establish the localization and stoichiometry of MyBP-HL. We found levels of cMyBP-C, a major regulator of myosin function, were half as abundant compared to levels in the ventricle. In genetic mouse models, loss of MyBP-HL doubled cMyBP-C abundance in the atria, and loss of cMyBP-C doubled MyBP-HL abundance in the atria. Structured illumination microscopy showed that both proteins colocalize in the C-zone of the A-band, with MyBP-HL enriched closer to the M-line. Immuno-electron microscopy of mouse atria showed MyBP-HL strongly localized 161 nm from the M-line, consistent with localization to the third 43 nm repeat of myosin heads. Both cMyBP-C and MyBP-HL had less-defined sarcomere localization in the atria compared to ventricle, yet areas with the expected 43 nm repeat distance were observed for both proteins. Isometric force measurements taken from control and Mybphl null single atrial myofibrils revealed that loss of Mybphl accelerated the linear phase of relaxation. These findings support a mechanism where MyBP-HL regulates cMyBP-C abundance to alter the kinetics of sarcomere relaxation in atrial sarcomeres.
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Affiliation(s)
- David Y. Barefield
- Center for Genetic Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL60611
- Department of Cell and Molecular Physiology, Loyola University Chicago, Maywood, IL60153
| | - Paola Tonino
- Department of Cell and Molecular Medicine, University of Arizona, Tucson, AZ85724
| | - Kathleen C. Woulfe
- Division of Cardiology, Department of Medicine, University of Colorado, Anschutz Medical Campus, Aurora, CO80045
| | - Sheema Rahmanseresht
- Department of Molecular Physiology and Biophysics, University of Vermont, Burlington, VT01655
| | - Thomas S. O’Leary
- Department of Molecular Physiology and Biophysics, University of Vermont, Burlington, VT01655
| | - Hope V. Burnham
- Department of Cell and Molecular Physiology, Loyola University Chicago, Maywood, IL60153
| | - J. Andrew Wasserstrom
- Department of Medicine and The Feinberg Cardiovascular and Renal Institute, Northwestern University Feinberg School of Medicine, Chicago, IL60611
| | - Jonathan A. Kirk
- Department of Cell and Molecular Physiology, Loyola University Chicago, Maywood, IL60153
| | - Michael J. Previs
- Department of Molecular Physiology and Biophysics, University of Vermont, Burlington, VT01655
| | - Henk L. Granzier
- Department of Cell and Molecular Medicine, University of Arizona, Tucson, AZ85724
| | - Elizabeth M. McNally
- Center for Genetic Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL60611
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13
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Dye C, Dela Cruz M, Larsen T, Nair G, Marinescu K, Suboc T, Engelstein E, Marsidi J, Patel P, Sharma P, Volgman AS. A review of the impact, pathophysiology, and management of atrial fibrillation in patients with heart failure with preserved ejection fraction. AMERICAN HEART JOURNAL PLUS : CARDIOLOGY RESEARCH AND PRACTICE 2023; 33:100309. [PMID: 38510554 PMCID: PMC10946048 DOI: 10.1016/j.ahjo.2023.100309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Accepted: 07/11/2023] [Indexed: 03/22/2024]
Abstract
Patients with heart failure with preserved ejection fraction (HFpEF) and atrial fibrillation (AF) have increased mortality and increased risk of stroke. Due to the heterogeneous nature of both disease processes, it is difficult to ascertain whether the diagnosis and progression of AF is the cause of deterioration or if it is a symptom of worsening heart failure. This presents physicians with a clinical conundrum of whether optimizing their heart failure will decrease the overall AF burden or if restoration of sinus rhythm is necessary to optimize patients with HFpEF. In this paper, we will review the impact of AF in patients with HFpEF, the pathophysiology and heterogeneity of HFpEF and AF, and the management of these patients. As HFpEF and AF become more prevalent, managing these disease processes needs standardization to improve outcomes. Further research is needed to understand the complex interplay between AF and HFpEF to help determine the best management strategy.
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Affiliation(s)
- Cicely Dye
- Division of Cardiology, Rush University Medical Center, Chicago, IL 60612, USA
| | - Mark Dela Cruz
- Advocate Heart Institute, Advocate Christ Medical Center, Chicago, IL 60453, USA
| | - Timothy Larsen
- Division of Cardiology, Rush University Medical Center, Chicago, IL 60612, USA
| | - Gatha Nair
- Division of Cardiology, University of Washington, Seattle, WA 98105, USA
| | - Karolina Marinescu
- Division of Cardiology, Rush University Medical Center, Chicago, IL 60612, USA
| | - Tisha Suboc
- Division of Cardiology, Rush University Medical Center, Chicago, IL 60612, USA
| | - Erica Engelstein
- Division of Cardiology, Rush University Medical Center, Chicago, IL 60612, USA
| | - Jennifer Marsidi
- Division of Cardiology, Rush University Medical Center, Chicago, IL 60612, USA
| | - Priya Patel
- Division of Cardiology, Rush University Medical Center, Chicago, IL 60612, USA
| | - Parikshit Sharma
- Division of Cardiology, Rush University Medical Center, Chicago, IL 60612, USA
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Peigh G, Puthumana JJ, Bonow RO. Aortic Regurgitation and Heart Failure: Advances in Diagnosis, Management, and Interventions. Heart Fail Clin 2023; 19:285-296. [PMID: 37230644 DOI: 10.1016/j.hfc.2023.02.007] [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: 05/27/2023]
Abstract
This review discusses the contemporary clinical evaluation and management of patients with comorbid aortic regurgitation (AR) and heart failure (HF) (AR-HF). Importantly, as clinical HF exists along the spectrum of AR severity, the present review also details novel strategies to detect early signs of HF before the clinical syndrome ensues. Indeed, there may be a vulnerable cohort of AR patients who benefit from early detection and management of HF. Additionally, while the mainstay of operative management for AR has historically been surgical aortic valve replacement, this review discusses alternate procedures that may be beneficial in high-risk cohorts.
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Affiliation(s)
- Graham Peigh
- Division of Cardiology, Northwestern University, Feinberg School of Medicine, 676 North St. Clair Suite 600, Chicago, IL 60611, USA.
| | - Jyothy J Puthumana
- Division of Cardiology, Northwestern University, Feinberg School of Medicine, 676 North St. Clair Suite 600, Chicago, IL 60611, USA
| | - Robert O Bonow
- Division of Cardiology, Northwestern University, Feinberg School of Medicine, 676 North St. Clair Suite 600, Chicago, IL 60611, USA
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Ahmad MI, Mujtaba M, Floyd JS, Chen LY, Soliman EZ. Electrocardiographic markers of atrial cardiomyopathy and risk of heart failure in the multi-ethnic study of atherosclerosis (MESA) cohort. Front Cardiovasc Med 2023; 10:1143338. [PMID: 37180781 PMCID: PMC10169752 DOI: 10.3389/fcvm.2023.1143338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 04/11/2023] [Indexed: 05/16/2023] Open
Abstract
Background The association of electrocardiographic (ECG) markers of atrial cardiomyopathy with heart failure (HF) and its subtypes is unclear. Methods This analysis included 6,754 participants free of clinical cardiovascular disease (CVD), including atrial fibrillation (AF), from the Multi-Ethnic Study of Atherosclerosis. Five ECG markers of atrial cardiomyopathy (P-wave terminal force in V1 [PTFV1], deep-terminal negativity in V1 [DTNV1], P-wave duration [PWD], P-wave axis [PWA], advanced intra-atrial block [aIAB]) were derived from digitally recorded electrocardiograms. Incident HF events through 2018 were centrally adjudicated. An ejection fraction (EF) of 50% at the time of HF was used to classify HF as HF with reduced EF (HFrEF), HF with preserved EF (HFpEF), or unclassified HF. Cox proportional hazard models were used to examine the associations of markers of atrial cardiomyopathy with HF. The Lunn-McNeil method was used to compare the associations in HFrEF vs. HFpEF. Results 413 HF events occurred over a median follow-up of 16 years. In adjusted models, abnormal PTFV1 (HR (95%CI): 1.56(1.15-2.13), abnormal PWA (HR (95%CI):1.60(1.16-2.22), aIAB (HR (95%CI):2.62(1.47-4.69), DTNPV1 (HR (95%CI): 2.99(1.63-7.33), and abnormal PWD (HR (95%CI): 1.33(1.02-1.73), were associated with increased HF risk. These associations persisted after further adjustments for intercurrent AF events. No significant differences in the strength of association of each ECG predictor with HFrEF and HFpEF were noted. Conclusions Atrial cardiomyopathy defined by ECG markers is associated with HF, with no differences in the strength of association between HFrEF and HFpEF. Markers of atrial Cardiomyopathy may help identify individuals at risk of developing HF.
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Affiliation(s)
- Muhammad Imtiaz Ahmad
- Department of Internal Medicine, Section on Hospital Medicine, Medical College of Wisconsin, Wauwatosa, WI, United States
| | - Mohammadtokir Mujtaba
- Department of Internal Medicine, Section on Hospital Medicine, Geisel School of Medicine, Dartmouth, NH, United States
| | - James S. Floyd
- Departments of Medicine and Epidemiology, University of Washington, Seattle, WA, United States
| | - Lin Y. Chen
- Lillehei Heart Institute and Cardiovascular Division, University of Minnesota Medical School, Minneapolis, MN, United States
| | - Elsayed Z. Soliman
- Epidemiological Cardiology Research Center (EPICARE), Department of Epidemiology and Prevention, Wake Forest School of Medicine, Winston-Salem, NC, United States
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16
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Ahmad MI, TK LA, Anees MA, Chen LY, Soliman EZ. Relation of Electrocardiographic Abnormal P-Wave Axis With Stroke Mortality in the General Population. Am J Cardiol 2022; 180:59-64. [DOI: 10.1016/j.amjcard.2022.06.051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 06/14/2022] [Accepted: 06/17/2022] [Indexed: 11/26/2022]
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Impact of Atrial Fibrillation Ablation on Activity Minutes in Patients With Cardiac Implantable Electronic Devices. Heart Rhythm 2022; 19:1405-1411. [PMID: 35716857 DOI: 10.1016/j.hrthm.2022.06.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 06/02/2022] [Accepted: 06/11/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND Impaired quality of life due to atrial fibrillation (AF), which often includes decreased activity level, is an indication for ablation. However, the impact of ablation for AF on activity is poorly understood. OBJECTIVE To assess the impact of ablation on activity minutes per day using continuous accelerometer data from cardiac implantable electronic devices (CIED). METHODS Using the Optum® Health Record dataset (2007-2019) linked with the Medtronic CareLink® database, we identified patients who had a CIED with AF detection and accelerometer capabilities. Patients with a device that transmitted heart rhythm and activity data ≥ 3 months prior to- and ≥ 12 months following ablation were included in analysis. The associations between ablation and activity minutes were assessed in each CIED type. RESULTS Of 4297 eligible patients who underwent AF ablation, 409 (9.5%) (65% Male, 67.3±9.8 years, 64% paroxysmal AF) were included in analysis. The average AF burden and activity minutes per day pre-ablation were 30.9±37.4% and 175±99 minutes, respectively. Following ablation, relative AF burden decreased by 75.1±53.2% (p<0.001). There was no change in activity minutes per day following ablation in the entire cohort (average change: -0.10±36.2 min, p=0.96). There were also no clinically significant changes in activity minutes post-ablation in subgroups based on CIED, season of ablation, quartile of AF burden change, and quartile of age at the time of ablation. CONCLUSION There were no clinically significant changes in activity minutes per day in patients with CIEDs following ablation for AF.
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18
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Maffeis C, Rossi A, Cannata L, Zocco C, Belyavskiy E, Radhakrishnan AK, Feuerstein A, Morris DA, Pieske‐Kraigher E, Pieske B, Edelmann F, Temporelli PL. Left atrial strain predicts exercise capacity in heart failure independently of left ventricular ejection fraction. ESC Heart Fail 2022; 9:842-852. [PMID: 34989138 PMCID: PMC8934969 DOI: 10.1002/ehf2.13788] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 11/06/2021] [Accepted: 12/13/2021] [Indexed: 12/21/2022] Open
Abstract
AIMS We hypothesized that left atrial (LA) remodelling and function are associated with poor exercise capacity as prognostic marker in chronic heart failure (CHF) across a broad range of left ventricular ejection fraction (LVEF). METHODS AND RESULTS One hundred seventy-one patients with CHF were analysed [age 65 ± 11 years, 136 males (80%); 86 heart failure with reduced ejection fraction (HFrEF), 27 heart failure with mid-range ejection fraction (HFmrEF), 58 heart failure with preserved ejection fraction (HFpEF)]. All patients underwent echocardiography and maximal cardiopulmonary exercise testing and were classified according to a prognostic cut-off of peak VO2 (pVO2 ; 14 mL/kg/min). Seventy-seven (45%) patients reached pVO2 < 14 and 94 (55%) pVO2 ≥ 14 mL/kg/min. Between the two groups, there was a considerable difference in both left atrial volume (LAVi, 53 ± 24 vs. 44 ± 18 mL/m2 , P = 0.005) and function (LA reservoir strain 12 ± 5 vs. 20 ± 10%, P < 0.0001). Receiver-operating characteristic curves identified LA reservoir strain (area under the curve: 0.73 [0.65-0.80], P < 0.0001) as strong predictor for impaired pVO2 among all echocardiographic variables; LA reservoir strain < 23% had 37% specificity but a very high sensitivity (96%) in identifying a severely reduced pVO2 . In logistic regression analysis, LA reservoir strain < 23% was associated with a highly increased risk of pVO2 < 14 mL/kg/min (odds ratio 16.0 [4.7-54.6]; P < 0.0001). The multivariate analysis showed that a reduced LA reservoir strain was associated with pVO2 < 14 mL/kg/min after adjustment for age, body mass index (BMI), and clinical variables, that is, New York Heart Association class, atrial fibrillation, haemoglobin, and creatinine (b 0.22 [95% confidence interval, CI, 0.12-0.31]; P < 0.0001), and after adjustment for echocardiographic variables, that is, LVEF or left ventricular global longitudinal strain (LVGLS) and tricuspid annular plane systolic excursion (TAPSE) (b 0.16 [95% CI 0.08-0.24]; P < 0.0001). Patients with HFrEF, HFmrEF, and HFpEF were separately analysed. Among LA reservoir strain, LAVi, LVEF, LVGLS, and TAPSE, LA reservoir strain was the only one significantly associated with pVO2 in all subgroups (after adjustment for sex and BMI, P = 0.003, 0.04, and 0.01, respectively). CONCLUSIONS In patients with CHF, an impaired LA reservoir function is independently associated with a severely reduced pVO2 . LA dysfunction represents a marker of poor prognosis across LVEF borders in the CHF population.
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Affiliation(s)
- Caterina Maffeis
- Division of Cardiology, Department of MedicineUniversity of VeronaVeronaItaly
| | - Andrea Rossi
- Division of Cardiology, Department of MedicineUniversity of VeronaVeronaItaly
| | - Lorenzo Cannata
- Division of CardiologyIstituti Clinici Scientifici Maugeri, IRCCSGattico‐VerunoItaly
| | - Camilla Zocco
- Division of CardiologyIstituti Clinici Scientifici Maugeri, IRCCSGattico‐VerunoItaly
| | - Evgeny Belyavskiy
- Department of Internal Medicine and CardiologyCharité ‐ Universitätsmedizin Berlin, Campus Virchow KlinikumBerlinGermany
| | - Aravind Kumar Radhakrishnan
- Department of Internal Medicine and CardiologyCharité ‐ Universitätsmedizin Berlin, Campus Virchow KlinikumBerlinGermany
| | - Anna Feuerstein
- Department of Internal Medicine and CardiologyCharité ‐ Universitätsmedizin Berlin, Campus Virchow KlinikumBerlinGermany
| | - Daniel Armando Morris
- Department of Internal Medicine and CardiologyCharité ‐ Universitätsmedizin Berlin, Campus Virchow KlinikumBerlinGermany
- German Center for Cardiovascular Research (DZHK), partner site BerlinBerlinGermany
- Berlin Institute of Health (BIH)BerlinGermany
| | - Elisabeth Pieske‐Kraigher
- Department of Internal Medicine and CardiologyCharité ‐ Universitätsmedizin Berlin, Campus Virchow KlinikumBerlinGermany
- German Center for Cardiovascular Research (DZHK), partner site BerlinBerlinGermany
- Berlin Institute of Health (BIH)BerlinGermany
| | - Burkert Pieske
- Department of Internal Medicine and CardiologyCharité ‐ Universitätsmedizin Berlin, Campus Virchow KlinikumBerlinGermany
- German Center for Cardiovascular Research (DZHK), partner site BerlinBerlinGermany
- Department of Internal Medicine and CardiologyGerman Heart CenterBerlinGermany
- Berlin Institute of Health (BIH)BerlinGermany
| | - Frank Edelmann
- Department of Internal Medicine and CardiologyCharité ‐ Universitätsmedizin Berlin, Campus Virchow KlinikumBerlinGermany
- German Center for Cardiovascular Research (DZHK), partner site BerlinBerlinGermany
- Berlin Institute of Health (BIH)BerlinGermany
| | - Pier Luigi Temporelli
- Division of CardiologyIstituti Clinici Scientifici Maugeri, IRCCSGattico‐VerunoItaly
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Power DA, Lampert J, Camaj A, Bienstock SW, Kocovic N, Bayes-Genis A, Miller MA, Bayés-de-Luna A, Fuster V. Cardiovascular Complications of Interatrial Conduction Block: JACC State-of-the-Art Review. J Am Coll Cardiol 2022; 79:1199-1211. [PMID: 35331415 DOI: 10.1016/j.jacc.2022.01.030] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Accepted: 01/25/2022] [Indexed: 12/11/2022]
Abstract
Interatrial block (IAB) is an electrocardiographic pattern describing the conduction delay between the right and left atria. IAB is classified into 3 degrees of block that correspond to decreasing conduction in the region of Bachmann's bundle. Although initially considered benign in nature, specific subsets of IAB have been associated with atrial arrhythmias, elevated thromboembolic stroke risk, cognitive impairment, and mortality. As the pathophysiologic relationships between IAB and stroke are reinforced, investigation has now turned to the potential benefit of early detection, atrial imaging, cardiovascular risk factor modification, antiarrhythmic pharmacotherapy, and stroke prevention with oral anticoagulation. This review provides a contemporary overview of the epidemiology, pathophysiology, diagnosis, and management of IAB, with a focus on future directions.
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Affiliation(s)
- David A Power
- The Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, New York, USA.
| | - Joshua Lampert
- The Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Anton Camaj
- The Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Solomon W Bienstock
- The Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Nikola Kocovic
- The Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Antoni Bayes-Genis
- Heart Institute, Hospital Universitario Germans Trias I Pujol, Badalona, Spain
| | - Marc A Miller
- The Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Antoni Bayés-de-Luna
- Cardiovascular Research Foundation, Cardiovascular ICCC-Program, Research Institute Hospital de la Santa Creu i Sant Pau, IIB-Sant Pau, Barcelona, Spain
| | - Valentin Fuster
- The Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, New York, USA; Centro Nacional de Investigaciones Cardiovasculares, Madrid, Spain
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20
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Patel RB, Shah SJ, Inciardi RM. Collagen homeostasis of the left atrium: an emerging treatment target to prevent heart failure? Eur J Heart Fail 2022; 24:332-334. [PMID: 34989102 PMCID: PMC8900253 DOI: 10.1002/ejhf.2422] [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: 12/25/2021] [Accepted: 01/03/2022] [Indexed: 02/03/2023] Open
Affiliation(s)
- Ravi B. Patel
- Division of Cardiology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Sanjiv J. Shah
- Division of Cardiology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Riccardo M. Inciardi
- Division of Cardiology, Civil Hospitals of Brescia; Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, University of Brescia, Brescia, Italy,Corresponding author. Civil Hospitals of Brescia; Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, University of Brescia, Piazzale Spedali Civili 1, 25123 Brescia, Italy. Tel: +39 3281526343,
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21
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El Assaad I, Hammond BH, Kost LD, Worley S, Janson CM, Sherwin ED, Stephenson EA, Johnsrude CL, Niu M, Shetty I, Lawrence D, McCanta AC, Balaji S, Sanatani S, Fish F, Webster G, Aziz PF. Management and outcomes of atrial fibrillation in 241 healthy children and young adults: Revisiting "lone" atrial fibrillation-A multi-institutional PACES collaborative study. Heart Rhythm 2021; 18:1815-1822. [PMID: 34343691 DOI: 10.1016/j.hrthm.2021.07.066] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 07/27/2021] [Accepted: 07/28/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND Atrial fibrillation (AF) in healthy children and young adults is rare. Risk of recurrence and treatment efficacy are not well defined. OBJECTIVE The purpose of this study was to assess recurrence patterns and treatment efficacy in AF. METHODS A retrospective multicenter cohort study including 13 congenital heart centers was facilitated by the Pediatric & Congenital Electrophysiology Society (PACES). Patients ≤21 years of age with documented AF from January 2004 to December 2018 were included. Demographics, family and clinical history, medications, electrophysiological study parameters, and outcomes related to the treatment of AF were recorded and analyzed. Patients with contributory diseases were excluded. RESULTS In 241 subjects (83% male; mean age at onset 16 years), AF recurred in 94 patients (39%) during 2.1 ± 2.6 years of follow-up. In multivariable analysis, predictors of AF recurrence were family history in a first-degree relative <50 years of age (odds ratio [OR] 1.9; P = .047) and longer PR interval in sinus rhythm (OR 1.1 per 10 ms; P = .037). AF recurrence was similar whether patients began no treatment (39/125 [31%]), began daily antiarrhythmic therapy (24/63 [38%]), or had an ablation at any time (14/53 [26%]; P = .39). Ablating non-AF substrate with supraventricular tachycardia improved freedom from AF recurrence (P = .013). CONCLUSION Recurrence of AF in the pediatric population is common, and the incidence of recurrence was not impacted by "no treatment," "medication only," or "ablation" treatment strategy. Ablation of pathways and other reentrant targets was the only intervention that decreased AF recurrence in children and young adults.
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Affiliation(s)
- Iqbal El Assaad
- Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts
| | - Benjamin H Hammond
- Division of Pediatric Cardiology, Cleveland Clinic Children's, Cleveland Clinic Lerner College of Medicine, Cleveland, Ohio
| | - Lukas D Kost
- Division of Pediatric Cardiology, Cleveland Clinic Children's, Cleveland Clinic Lerner College of Medicine, Cleveland, Ohio
| | - Sarah Worley
- Division of Pediatric Cardiology, Cleveland Clinic Children's, Cleveland Clinic Lerner College of Medicine, Cleveland, Ohio
| | - Christopher M Janson
- Division of Cardiology, Children's Hospital of Philadelphia, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | | | | | | | - Mary Niu
- Division of Pediatric Cardiology, University of Utah and Primary Children's Hospital, Salt Lake City, Utah
| | - Ira Shetty
- Division of Pediatric Cardiology, Advocate Children's Hospital, Oak Lawn, Illinois
| | - David Lawrence
- Division of Pediatric Cardiology, Children's Hospital of Michigan, Detroit, Michigan
| | - Anthony C McCanta
- Department of Pediatric Cardiology, University of California-Irvine and Children's Hospital of Orange County, Orange, California
| | - Seshadri Balaji
- Division of Pediatric Cardiology, Oregon Health and Science University, Portland, Oregon
| | - Shubhayan Sanatani
- Children's Heart Centre, BC Children's Hospital, University of British Columbia, Vancouver, Canada
| | - Frank Fish
- Division of Pediatric Cardiology, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Gregory Webster
- Division of Cardiology, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois
| | - Peter F Aziz
- Division of Pediatric Cardiology, Cleveland Clinic Children's, Cleveland Clinic Lerner College of Medicine, Cleveland, Ohio.
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