1
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Cho SG. To see those not to be seen: cardiac uptake on noncardiac imaging. J Cardiovasc Imaging 2024; 32:32. [PMID: 39343981 PMCID: PMC11439330 DOI: 10.1186/s44348-024-00024-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2024] [Accepted: 07/09/2024] [Indexed: 10/01/2024] Open
Affiliation(s)
- Sang-Geon Cho
- Department of Nuclear Medicine, Chonnam National University Hospital, Gwangju, Republic of Korea.
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2
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Caobelli F, Gözlügöl N, Bakula A, Rominger A, Schepers R, Stortecky S, Hunziker Munsch L, Dobner S, Gräni C. Prognostic Value of [ 99mTc]Tc-DPD Quantitative SPECT/CT in Patients with Suspected and Confirmed Amyloid Transthyretin-Related Cardiomyopathy and Preserved Left Ventricular Function. J Nucl Med 2024; 65:944-951. [PMID: 38724281 DOI: 10.2967/jnumed.123.266926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 04/03/2024] [Indexed: 06/05/2024] Open
Abstract
Quantitative 99mTc-3,3-diphosphono-1,2-propanodicarboxylic acid ([99mTc]Tc-DPD) SPECT may be used for risk-stratifying patients with amyloid transthyretin-related cardiomyopathy (ATTR-CM). We aimed to analyze the predictive value of quantitative [99mTc]Tc-DPD SPECT/CT in suspected and confirmed ATTR-CM according to different disease stages. Methods: The study enrolled consecutive patients with suspected ATTR-CM who were referred to a single tertiary center and underwent quantitative [99mTc]Tc-DPD SPECT/CT allowing SUVmax and SUVpeak analysis. Patients were divided into 2 groups according to left ventricular ejection fraction (LVEF) at baseline (i.e., ≥50% and <50%). Clinical, laboratory, and echocardiographic parameters and major adverse cardiac events (i.e., all-cause death, sustained ventricular tachyarrhythmia, hospitalization for heart failure, implantation of a cardioverter defibrillator) were investigated for any correlation with quantitative uptake values. Results: In total, 144 patients with suspected ATTR-CM were included in the study (98 with LVEF ≥ 50% and 46 with LVEF < 50%), of whom 99 were diagnosed with ATTR-CM (68.8%; 69 with LVEF ≥ 50% and 30 with LVEF < 50%). A myocardial SUVmax of at least 7 was predictive of major adverse cardiac events at 21.9 ± 13.0 mo of follow-up (hazard ratio, 2.875; 95% CI, 1.23-6.71; P = 0.015) in patients with suspected or confirmed ATTR-CM (global χ2 = 6.892, P = 0.02) and an LVEF of at least 50%. SUVmax was not predictive in patients with an LVEF of less than 50% and suspected or confirmed ATTR-CM. Conclusion: In patients with suspected or confirmed ATTR-CM and preserved LVEF, representing an early disease stage, quantitative [99mTc]Tc-DPD SPECT should be considered to improve early-stage risk stratification.
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Affiliation(s)
- Federico Caobelli
- Department of Nuclear Medicine, Bern University Hospital, University of Bern, Bern, Switzerland;
| | - Nasir Gözlügöl
- Department of Nuclear Medicine, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Adam Bakula
- Department of Nuclear Medicine, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Axel Rominger
- Department of Nuclear Medicine, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Robin Schepers
- Department of Nuclear Medicine, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Stefan Stortecky
- Department of Cardiology, Bern University Hospital, University of Bern, Bern, Switzerland; and
| | - Lukas Hunziker Munsch
- Department of Cardiology, Bern University Hospital, University of Bern, Bern, Switzerland; and
| | - Stephan Dobner
- Department of Cardiology, Bern University Hospital, University of Bern, Bern, Switzerland; and
- Third Medical Department of Cardiology and Intensive Care Medicine, Clinic Ottakring, Vienna, Austria
| | - Christoph Gräni
- Department of Cardiology, Bern University Hospital, University of Bern, Bern, Switzerland; and
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3
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Miller RJ, Akincioglu C. Bone scintigraphy for cardiac amyloidosis: A Canadian perspective. J Med Imaging Radiat Sci 2024; 55:S39-S43. [PMID: 38461059 DOI: 10.1016/j.jmir.2024.02.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 02/04/2024] [Accepted: 02/06/2024] [Indexed: 03/11/2024]
Affiliation(s)
- Robert Jh Miller
- Department of Cardiac Sciences, University of Calgary, Calgary AB, Canada
| | - Cigdem Akincioglu
- University of Western Ontario, Medical Imaging, Division of Nuclear Medicine, 339 Windermere Road, C3-209, London N6A5A5, ON, Canada.
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4
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Kamel MA, Abbas MT, Kanaan CN, Awad KA, Baba Ali N, Scalia IG, Farina JM, Pereyra M, Mahmoud AK, Steidley DE, Rosenthal JL, Ayoub C, Arsanjani R. How Artificial Intelligence Can Enhance the Diagnosis of Cardiac Amyloidosis: A Review of Recent Advances and Challenges. J Cardiovasc Dev Dis 2024; 11:118. [PMID: 38667736 PMCID: PMC11050851 DOI: 10.3390/jcdd11040118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 04/09/2024] [Accepted: 04/11/2024] [Indexed: 04/28/2024] Open
Abstract
Cardiac amyloidosis (CA) is an underdiagnosed form of infiltrative cardiomyopathy caused by abnormal amyloid fibrils deposited extracellularly in the myocardium and cardiac structures. There can be high variability in its clinical manifestations, and diagnosing CA requires expertise and often thorough evaluation; as such, the diagnosis of CA can be challenging and is often delayed. The application of artificial intelligence (AI) to different diagnostic modalities is rapidly expanding and transforming cardiovascular medicine. Advanced AI methods such as deep-learning convolutional neural networks (CNNs) may enhance the diagnostic process for CA by identifying patients at higher risk and potentially expediting the diagnosis of CA. In this review, we summarize the current state of AI applications to different diagnostic modalities used for the evaluation of CA, including their diagnostic and prognostic potential, and current challenges and limitations.
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Affiliation(s)
- Moaz A. Kamel
- Department of Cardiovascular Medicine, Mayo Clinic, Phoenix, AZ 85054, USA
| | | | | | - Kamal A. Awad
- Department of Cardiovascular Medicine, Mayo Clinic, Phoenix, AZ 85054, USA
| | - Nima Baba Ali
- Department of Cardiovascular Medicine, Mayo Clinic, Phoenix, AZ 85054, USA
| | - Isabel G. Scalia
- Department of Cardiovascular Medicine, Mayo Clinic, Phoenix, AZ 85054, USA
| | - Juan M. Farina
- Department of Cardiovascular Medicine, Mayo Clinic, Phoenix, AZ 85054, USA
| | - Milagros Pereyra
- Department of Cardiovascular Medicine, Mayo Clinic, Phoenix, AZ 85054, USA
| | - Ahmed K. Mahmoud
- Department of Cardiovascular Medicine, Mayo Clinic, Phoenix, AZ 85054, USA
| | - D. Eric Steidley
- Department of Cardiovascular Medicine, Mayo Clinic, Phoenix, AZ 85054, USA
| | - Julie L. Rosenthal
- Department of Cardiovascular Medicine, Mayo Clinic, Phoenix, AZ 85054, USA
| | - Chadi Ayoub
- Department of Cardiovascular Medicine, Mayo Clinic, Phoenix, AZ 85054, USA
- Division of Cardiovascular Imaging, Mayo Clinic, 5777 East Mayo Boulevard, Phoenix, AZ 85054, USA
| | - Reza Arsanjani
- Department of Cardiovascular Medicine, Mayo Clinic, Phoenix, AZ 85054, USA
- Division of Cardiovascular Imaging, Mayo Clinic, 5777 East Mayo Boulevard, Phoenix, AZ 85054, USA
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5
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Abdaem J, Miller RJH. Artificial intelligence-driven cardiac amyloidosis screening. Lancet Digit Health 2024; 6:e231-e232. [PMID: 38519149 DOI: 10.1016/s2589-7500(24)00024-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Accepted: 01/31/2024] [Indexed: 03/24/2024]
Affiliation(s)
- Jacob Abdaem
- Department of Cardiac Sciences, University of Calgary and Libin Cardiovascular Institute, Calgary, AB T2N 2T9, Canada
| | - Robert J H Miller
- Department of Cardiac Sciences, University of Calgary and Libin Cardiovascular Institute, Calgary, AB T2N 2T9, Canada.
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6
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Gheysens O, Treglia G, Masri A, Hyafil F, Dorbala S. Treatment response assessment in transthyretin-related cardiac amyloidosis: an emerging clinical indication of bone-seeking radiopharmaceuticals? Eur J Nucl Med Mol Imaging 2024; 51:691-694. [PMID: 38110712 DOI: 10.1007/s00259-023-06576-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2023]
Affiliation(s)
- Olivier Gheysens
- Department of Nuclear Medicine, Cliniques Universitaires Saint-Luc and Institute for Experimental and Clinical Research (IREC), Université Catholique de Louvain, Avenue Hippocrate 10, 1200, Brussels, Belgium.
| | - Giorgio Treglia
- Division of Nuclear Medicine, Imaging Institute of Southern Switzerland, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
- Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland
- Faculty of Biomedical Sciences, Università della Svizzera italiana, Lugano, Switzerland
| | - Ahmad Masri
- Amyloidosis Center, Knight Cardiovascular Institute, Oregon Health and Science University, Portland, OR, USA
| | - Fabien Hyafil
- Department of Nuclear Medicine, AP-HP, European Hospital Georges Pompidou, University of Paris-Cité, Paris, France
| | - Sharmila Dorbala
- Division of Nuclear Medicine and Molecular Imaging, Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
- Cardiac Amyloidosis Program, Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
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7
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Alwan L, Benz DC, Cuddy SAM, Dobner S, Shiri I, Caobelli F, Bernhard B, Stämpfli SF, Eberli F, Reyes M, Kwong RY, Falk RH, Dorbala S, Gräni C. Current and Evolving Multimodality Cardiac Imaging in Managing Transthyretin Amyloid Cardiomyopathy. JACC Cardiovasc Imaging 2024; 17:195-211. [PMID: 38099914 DOI: 10.1016/j.jcmg.2023.10.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 10/06/2023] [Accepted: 10/18/2023] [Indexed: 01/29/2024]
Abstract
Amyloid transthyretin (ATTR) amyloidosis is a protein-misfolding disease characterized by fibril accumulation in the extracellular space that can result in local tissue disruption and organ dysfunction. Cardiac involvement drives morbidity and mortality, and the heart is the major organ affected by ATTR amyloidosis. Multimodality cardiac imaging (ie, echocardiography, scintigraphy, and cardiac magnetic resonance) allows accurate diagnosis of ATTR cardiomyopathy (ATTR-CM), and this is of particular importance because ATTR-targeting therapies have become available and probably exert their greatest benefit at earlier disease stages. Apart from establishing the diagnosis, multimodality cardiac imaging may help to better understand pathogenesis, predict prognosis, and monitor treatment response. The aim of this review is to give an update on contemporary and evolving cardiac imaging methods and their role in diagnosing and managing ATTR-CM. Further, an outlook is presented on how artificial intelligence in cardiac imaging may improve future clinical decision making and patient management in the setting of ATTR-CM.
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Affiliation(s)
- Louhai Alwan
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Dominik C Benz
- Amyloidosis Program, Division of Cardiology, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA; Division of Nuclear Medicine, Department of Radiology, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA; CV Imaging Program, Cardiovascular Division, Department of Medicine and Radiology, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA; Cardiac Imaging, Department of Cardiology and Nuclear Medicine, Zurich University Hospital, Zurich, Switzerland
| | - Sarah A M Cuddy
- Amyloidosis Program, Division of Cardiology, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA; Division of Nuclear Medicine, Department of Radiology, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA; CV Imaging Program, Cardiovascular Division, Department of Medicine and Radiology, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Stephan Dobner
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Isaac Shiri
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Federico Caobelli
- University Clinic of Nuclear Medicine, Inselspital, Bern University Hospital, Switzerland
| | - Benedikt Bernhard
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland; CV Imaging Program, Cardiovascular Division, Department of Medicine and Radiology, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Simon F Stämpfli
- Department of Cardiology, Heart Centre Lucerne, Luzerner Kantonsspital, Lucerne, Switzerland
| | - Franz Eberli
- Department of Cardiology, Triemli Hospital (Triemlispital), Zurich, Switzerland
| | - Mauricio Reyes
- Insel Data Science Center, Inselspital, Bern University Hospital, Bern, Switzerland; Artificial Intelligence in Medical Imaging, ARTORG Center for Biomedical Research, University of Bern, Bern, Switzerland
| | - Raymond Y Kwong
- CV Imaging Program, Cardiovascular Division, Department of Medicine and Radiology, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Rodney H Falk
- Amyloidosis Program, Division of Cardiology, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Sharmila Dorbala
- Amyloidosis Program, Division of Cardiology, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA; Division of Nuclear Medicine, Department of Radiology, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA; CV Imaging Program, Cardiovascular Division, Department of Medicine and Radiology, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Christoph Gräni
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.
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8
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Tingen HSA, Berends M, Tubben A, Bijzet J, Houwerzijl EJ, Muntinghe FLH, Kroesen BJ, van der Zwaag PA, van der Meer P, Slart RHJA, Hazenberg BPC, Nienhuis HLA. High-Sensitivity Cardiac Troponin T to Exclude Cardiac Involvement in TTR Variant Carriers and ATTRv Amyloidosis Patients. J Clin Med 2024; 13:810. [PMID: 38337504 PMCID: PMC10856062 DOI: 10.3390/jcm13030810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 01/17/2024] [Accepted: 01/19/2024] [Indexed: 02/12/2024] Open
Abstract
(1) Background: Individuals carrying a pathogenic transthyretin gene variant (TTRv) are at high risk for developing hereditary transthyretin (ATTRv) amyloidosis and are routinely screened for the development of cardiomyopathy (ATTRv-CM). This study aims to evaluate whether the cardiac biomarkers N-terminal pro B-type natriuretic peptide (NT-proBNP) and high-sensitivity cardiac troponin T (hs-cTnT) can be used to rule out ATTRv-CM. (2) Methods: In this retrospective case-control study, data from 46 ATTRv-CM patients and 101 TTRv carriers and ATTRv amyloidosis patients without cardiomyopathy were included. Binary logistic regression models were used to assess the ability of NT-proBNP and hs-cTnT to predict the diagnosis of ATTRv-CM. An optimal cutoff for the relevant biomarker(s) was determined based on a sensitivity of ≥99% and the highest possible percentage of additional tests avoided (%ATA) in the index dataset. (3) Results: Hs-cTnT demonstrated the highest predictive capabilities for ATTRv-CM. The addition of NT-proBNP did not improve the predictive model. A hs-cTnT cutoff of <6 ng/L resulted in a 97% sensitivity and a negative predictive value of 95% with a %ATA of 30% in the validation dataset. (4) Conclusion: In conclusion, hs-cTnT is a useful biomarker for excluding cardiac involvement in TTRv carriers and ATTRv amyloidosis patients and it has the potential to prevent unnecessary diagnostic procedures.
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Affiliation(s)
- Hendrea S. A. Tingen
- Department of Nuclear Medicine and Molecular Imaging, Groningen Amyloidosis Centre of Expertise, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Milou Berends
- Department of Internal Medicine, Groningen Amyloidosis Centre of Expertise, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands (H.L.A.N.)
| | - Alwin Tubben
- Department of Cardiology, Groningen Amyloidosis Centre of Expertise, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Johan Bijzet
- Department of Laboratory Medicine, Groningen Amyloidosis Centre of Expertise, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Ewout J. Houwerzijl
- Department of Internal Medicine, Groningen Amyloidosis Centre of Expertise, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands (H.L.A.N.)
| | - Friso L. H. Muntinghe
- Department of Internal Medicine, Groningen Amyloidosis Centre of Expertise, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands (H.L.A.N.)
| | - Bart-Jan Kroesen
- Department of Laboratory Medicine, Groningen Amyloidosis Centre of Expertise, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Paul A. van der Zwaag
- Department of Genetics, Groningen Amyloidosis Centre of Expertise, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Peter van der Meer
- Department of Cardiology, Groningen Amyloidosis Centre of Expertise, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Riemer H. J. A. Slart
- Department of Nuclear Medicine and Molecular Imaging, Groningen Amyloidosis Centre of Expertise, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
- Biomedical Photonic Imaging Group, Faculty of Science and Technology, University of Twente, Drienerlolaan 5, 7522 NB Enschede, The Netherlands
| | - Bouke P. C. Hazenberg
- Department of Rheumatology & Clinical Immunology, Groningen Amyloidosis Centre of Expertise, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Hans L. A. Nienhuis
- Department of Internal Medicine, Groningen Amyloidosis Centre of Expertise, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands (H.L.A.N.)
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9
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Hudson O, Hage FG. Single photon emission computed tomography pyrophosphate imaging for transthyretin cardiac amyloid. J Nucl Cardiol 2023; 30:2615-2617. [PMID: 37882939 DOI: 10.1007/s12350-023-03379-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Accepted: 08/28/2023] [Indexed: 10/27/2023]
Affiliation(s)
- Olivia Hudson
- Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham, 1900 University BLVD, GSB 446, Birmingham, AL, 35294, USA
- Section of Cardiology, Birmingham Veterans Affairs Medical Center, Birmingham, AL, USA
| | - Fadi G Hage
- Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham, 1900 University BLVD, GSB 446, Birmingham, AL, 35294, USA.
- Section of Cardiology, Birmingham Veterans Affairs Medical Center, Birmingham, AL, USA.
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