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Gerard H, Iline N, Martel H, Nguyen K, Richard P, Donal E, Eicher JC, Huttin O, Selton-Suty C, Raud-Raynier P, Jondeau G, Mansencal N, Sawka C, Ader F, Pruny JF, Casalta AC, Michel N, Donghi V, Faivre L, Giorgi R, Charron P, Habib G. Prognosis of Adults With Isolated Left Ventricular Non-Compaction: Results of a Prospective Multicentric Study. Front Cardiovasc Med 2022; 9:856160. [PMID: 35586644 PMCID: PMC9108183 DOI: 10.3389/fcvm.2022.856160] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Accepted: 04/07/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundWhether left ventricular non-compaction (LVNC) bears a different prognosis than dilated cardiomyopathy (DCM) is still a matter of debate.MethodsFrom a multicenter French prospective registry, we compared the outcomes of 98 patients with LVNC and 65 with DCM. The primary endpoint combined cardiovascular death, heart transplantation, and hospitalization for cardiovascular events. The two groups presented similar outcomes but different left ventricular ejection fractions (LVEF) (43.3% in LVNC vs. 35.95% in DCM, p = 0.001). For this reason, a subgroup analysis was performed comparing only patients with LVEF ≤ 45%, including 56 with LVNC and 49 with DCM.ResultsAmong patients with LVEF≤ 45%, at 5-year follow-up, the primary endpoint occurred in 33 (58.9%) among 56 patients with LVNC and 18 (36.7%) among 49 patients with DCM (p = 0.02). Hospitalization for heart failure (18 [32.14%] vs. 5 [10.20%], p = 0.035) and heart transplantation were more frequent in the LVNC than in the DCM group. The incidences of rhythmic complications (24 [42.85%] vs. 12 [24.48%], p = 0.17), embolic events, and cardiovascular death were similar between LVNC and DCM cases. Among the 42 patients with LVNC and LVEF > 45%, the primary endpoints occurred in only 4 (9.52%) patients, including 2 hospitalizations for heart failure and 3 rhythmic complications, but no embolic events.ConclusionIn this prospective cohort, patients with LVNC who have left ventricular dysfunction present a poorer prognosis than DCM patients. Heart failure events were especially more frequent, but embolic events were not. Patients with LVNC and preserved ejection fraction present very few events in 5 years.
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Affiliation(s)
- Hilla Gerard
- Cardiology Department, Assistance Publique Hopitaux de Marseille (APHM), La Timone Hospital, Marseille, France
| | - Nicolas Iline
- Assistance Publique Hopitaux de Marseille (APHM), Hop Timone, BioSTIC, Biostatistique et Technologies de l'Information et de la Communication, Marseille, France
| | - Hélène Martel
- Cardiology Department, Assistance Publique Hopitaux de Marseille (APHM), La Timone Hospital, Marseille, France
| | - Karine Nguyen
- Département de génétique médicale, Assistance Publique Hopitaux de Marseille (APHM), Hôpital d'enfants de la Timone, Marseille, France
- Aix Marseille University, INSERM, Marseille Medical Genetics, Faculté de Médecine, Marseille, France
| | - Pascale Richard
- Assistance Publique Hopitaux de Paris (APHP), Functional Unit of Cardiogénétique et Myogénétique, Service de Biochimie Métabolique, Hôpitaux Universitaires de la Pitié-Salpêtrière-Charles Foix, Paris, France
- Sorbonne Universités, INSERM, UMR_S 1166 and ICAN Institute for Cardiometabolism and Nutrition, Paris, France
| | - Erwan Donal
- Service de Cardiologie, Centre Hospitalier Régional Universitaire Pontchaillou, Rennes, France
| | - Jean-Christophe Eicher
- Service de Cardiologie, CHU Dijon Bourgogne - Hôpital François Mitterrand, Dijon, France
| | - Olivier Huttin
- Service de Cardiologie, CHU de Nancy, Hôpitaux de Brabois, Vandoeuvre-lès-Nancy, France
| | - Christine Selton-Suty
- Service de Cardiologie, CHU de Nancy, Hôpitaux de Brabois, Vandoeuvre-lès-Nancy, France
| | | | - Guillaume Jondeau
- Assistance Publique Hopitaux de Paris (APHP), Service Cardiologie, CHU Paris Nord- Val de Seine - Hôpital Xavier Bichat-Claude-Bernard, Paris, France
| | - Nicolas Mansencal
- Assistance Publique Hopitaux de Paris (APHP), Service de Cardiologie, CHU Ambroise Paré, Boulogne Billancourt, France
| | - Caroline Sawka
- Centre de génétique et FHU TRANSLAD, Hôpital d'Enfants et Université de Bourgogne, Dijon, France
| | - Flavie Ader
- Assistance Publique Hopitaux de Paris (APHP), Functional Unit of Cardiogénétique et Myogénétique, Service de Biochimie Métabolique, Hôpitaux Universitaires de la Pitié-Salpêtrière-Charles Foix, Paris, France
- Sorbonne Universités, INSERM, UMR_S 1166 and ICAN Institute for Cardiometabolism and Nutrition, Paris, France
| | - Jean-François Pruny
- Assistance Publique Hopitaux de Paris (APHP), Centre de Référence pour les Maladies Cardiaques Héréditaires, Hôpital Pitié- Salpêtrière, Paris, France
| | - Anne-Claire Casalta
- Cardiology Department, Assistance Publique Hopitaux de Marseille (APHM), La Timone Hospital, Marseille, France
| | - Nicolas Michel
- Cardiology Department, Assistance Publique Hopitaux de Marseille (APHM), La Timone Hospital, Marseille, France
| | - Valeria Donghi
- Cardiology Department, Assistance Publique Hopitaux de Marseille (APHM), La Timone Hospital, Marseille, France
| | - Laurence Faivre
- Centre de génétique et FHU TRANSLAD, Hôpital d'Enfants et Université de Bourgogne, Dijon, France
| | - Roch Giorgi
- Aix Marseille Univ, Assistance Publique Hopitaux de Marseille (APHM), INSERM, IRD, SESSTIM, Sciences Economiques & Sociales de la Santé & Traitement de l'Information Médicale, ISSPAM, Hop Timone, BioSTIC, Biostatistique et Technologies de l'Information et de la Communication, Marseille, France
| | - Philippe Charron
- Assistance Publique Hopitaux de Paris (APHP), Functional Unit of Cardiogénétique et Myogénétique, Service de Biochimie Métabolique, Hôpitaux Universitaires de la Pitié-Salpêtrière-Charles Foix, Paris, France
- Assistance Publique Hopitaux de Paris (APHP), Centre de Référence pour les Maladies Cardiaques Héréditaires, Hôpital Pitié- Salpêtrière, Paris, France
| | - Gilbert Habib
- Cardiology Department, Assistance Publique Hopitaux de Marseille (APHM), La Timone Hospital, Marseille, France
- Aix Marseille Univ, IRD, Assistance Publique Hopitaux de Marseille (APHM), MEPHI, IHU-Méditerranée Infection, Marseille, France
- *Correspondence: Gilbert Habib
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Velásquez-Penagos JA, Flórez-Ríos AM, Muñoz-Ortiz E, Gándara-Ricardo JA, Flórez-Muñoz JP, Holguín-González E. Mirror syndrome with noncompaction cardiomyopathy in the mother and fetus. Case report. REVISTA COLOMBIANA DE OBSTETRICIA Y GINECOLOGIA 2021; 72:298-306. [PMID: 34851572 PMCID: PMC8614231 DOI: 10.18597/rcog.3659] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 07/09/2021] [Indexed: 12/30/2022]
Abstract
Objective To report the case of a pregnant woman with mirror syndrome associated with non-compaction cardiomyopathy in the mother and the fetus, in which antenatal medical treatment provided to the mother resulted in a favorable perinatal maternal outcome. Case presentation A 16-year old primigravida with 33 weeks of gestation referred from a Level I institution to a private Level IV center in Medellín, Colombia, because of a finding of fetal hydrops on obstetric ultrasound. During hospitalization, the patient showed clinical and ultrasonographic signs of heart failure (dyspnea, edema and hypoxemia), with the diagnosis of hydrops fetalis (mirror syndrome) also confirmed. Diuretic treatment with furosemide was initiated in the mother, with subsequent improvement of the maternal condition as well as of the fetal edema. During the subacute postpartum period in the hospital, the presence of non-compaction cardiomyopathy was confirmed on cardiac nuclear magnetic resonance imaging in both the mother and the newborn. After discharge in adequated condition, they were included in the cardiovascular follow-up program for heart failure and congenital heart disease, respectively. Conclusion A case of mirror syndrome associated with maternal and fetal non-compaction cardiomyopathy is presented. There is a limited number of reports on mirror syndrome due to cardiac anomalies (maternal and fetal), with weak treatment descriptions, pointing to the need for research in this area. It would be important to consider the diagnosis of non-compaction cardiomyopathy in fetuses with hydrops unrelated to isoimmunization or cardiac dysfunction, and approach these cases from a multi-disciplinary perspective.
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Gerecke BJ, Engberding R. Noncompaction Cardiomyopathy-History and Current Knowledge for Clinical Practice. J Clin Med 2021; 10:2457. [PMID: 34206037 PMCID: PMC8199228 DOI: 10.3390/jcm10112457] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 05/24/2021] [Accepted: 05/27/2021] [Indexed: 01/10/2023] Open
Abstract
Noncompaction cardiomyopathy (NCCM) has gained increasing attention over the past twenty years, but in daily clinical practice NCCM is still rarely considered. So far, there are no generally accepted diagnostic criteria and some groups even refuse to acknowledge it as a distinct cardiomyopathy, and grade it as a variant of dilated cardiomyopathy or a morphological trait of different conditions. A wide range of morphological variants have been observed even in healthy persons, suggesting that pathologic remodeling and physiologic adaptation have to be differentiated in cases where this spongy myocardial pattern is encountered. Recent studies have uncovered numerous new pathogenetic and pathophysiologic aspects of this elusive cardiomyopathy, but a current summary and evaluation of clinical patient management are still lacking, especially to avoid mis- and overdiagnosis. Addressing this issue, this article provides an up to date overview of the current knowledge in classification, pathogenesis, pathophysiology, epidemiology, clinical manifestations and diagnostic evaluation, including genetic testing, treatment and prognosis of NCCM.
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Affiliation(s)
- Birgit J. Gerecke
- Department of Cardiology and Pneumology, University Medical Center Göttingen, 37075 Göttingen, Germany
- Department of Thoracic and Cardiovascular Surgery, University Medical Center Göttingen, 37075 Göttingen, Germany
| | - Rolf Engberding
- Internal Medicine & Cardiology, amO MVZ, Academic Hospital Wolfsburg, 38440 Wolfsburg, Germany;
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Bartoli A, Fournel J, Bentatou Z, Habib G, Lalande A, Bernard M, Boussel L, Pontana F, Dacher JN, Ghattas B, Jacquier A. Deep Learning-based Automated Segmentation of Left Ventricular Trabeculations and Myocardium on Cardiac MR Images: A Feasibility Study. Radiol Artif Intell 2021; 3:e200021. [PMID: 33937851 DOI: 10.1148/ryai.2020200021] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 08/16/2020] [Accepted: 09/16/2020] [Indexed: 01/25/2023]
Abstract
Purpose To develop and evaluate a complete deep learning pipeline that allows fully automated end-diastolic left ventricle (LV) cardiac MRI segmentation, including trabeculations and automatic quality control of the predicted segmentation. Materials and Methods This multicenter retrospective study includes training, validation, and testing datasets of 272, 27, and 150 cardiac MR images, respectively, collected between 2012 and 2018. The reference standard was the manual segmentation of four LV anatomic structures performed on end-diastolic short-axis cine cardiac MRI: LV trabeculations, LV myocardium, LV papillary muscles, and the LV blood cavity. The automatic pipeline was composed of five steps with a DenseNet architecture. Intraobserver agreement, interobserver agreement, and interaction time were recorded. The analysis includes the correlation between the manual and automated segmentation, a reproducibility comparison, and Bland-Altman plots. Results The automated method achieved mean Dice coefficients of 0.96 ± 0.01 (standard deviation) for LV blood cavity, 0.89 ± 0.03 for LV myocardium, and 0.62 ± 0.08 for LV trabeculation (mean absolute error, 3.63 g ± 3.4). Automatic quantification of LV end-diastolic volume, LV myocardium mass, LV trabeculation, and trabeculation mass-to-total myocardial mass (TMM) ratio showed a significant correlation with the manual measures (r = 0.99, 0.99, 0.90, and 0.83, respectively; all P < .01). On a subset of 48 patients, the mean Dice value for LV trabeculation was 0.63 ± 0.10 or higher compared with the human interobserver (0.44 ± 0.09; P < .01) and intraobserver measures (0.58 ± 0.09; P < .01). Automatic quantification of the trabeculation mass-to-TMM ratio had a higher correlation (0.92) compared with the intra- and interobserver measures (0.74 and 0.39, respectively; both P < .01). Conclusion Automated deep learning framework can achieve reproducible and quality-controlled segmentation of cardiac trabeculations, outperforming inter- and intraobserver analyses.Supplemental material is available for this article.© RSNA, 2020.
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Affiliation(s)
- Axel Bartoli
- Departments of Radiology (A.B., A.J.) and Cardiology (G.H.), Hôpital de la Timone Adultes, AP-HM, 264, rue Saint-Pierre 13385 Marseille Cedex 05, France; CRMBM-UMR CNRS 7339, Medical Faculty, Aix-Marseille University, Marseille, France (A.B., J.F., Z.B., M.B., A.J.); I2M-UMR CNRS 7373, Aix-Marseille University, Centrale Marseille, Marseille, France (J.F., B.G.); ImVia Laboratory and University Hospital of Dijon, Bourgogne-Franche Comté University, Dijon, France (A.L.); Department of Radiology, Hôpital de la Croix-Rousse, Hospices Civils de Lyon, Lyon, France (L.B.); Department of Cardiovascular Imaging, Lille University Hospital, Lille, France (F.P.); and Department of Diagnostic Imaging, Rouen University Hospital, Rouen, France (J.N.D.)
| | - Joris Fournel
- Departments of Radiology (A.B., A.J.) and Cardiology (G.H.), Hôpital de la Timone Adultes, AP-HM, 264, rue Saint-Pierre 13385 Marseille Cedex 05, France; CRMBM-UMR CNRS 7339, Medical Faculty, Aix-Marseille University, Marseille, France (A.B., J.F., Z.B., M.B., A.J.); I2M-UMR CNRS 7373, Aix-Marseille University, Centrale Marseille, Marseille, France (J.F., B.G.); ImVia Laboratory and University Hospital of Dijon, Bourgogne-Franche Comté University, Dijon, France (A.L.); Department of Radiology, Hôpital de la Croix-Rousse, Hospices Civils de Lyon, Lyon, France (L.B.); Department of Cardiovascular Imaging, Lille University Hospital, Lille, France (F.P.); and Department of Diagnostic Imaging, Rouen University Hospital, Rouen, France (J.N.D.)
| | - Zakarya Bentatou
- Departments of Radiology (A.B., A.J.) and Cardiology (G.H.), Hôpital de la Timone Adultes, AP-HM, 264, rue Saint-Pierre 13385 Marseille Cedex 05, France; CRMBM-UMR CNRS 7339, Medical Faculty, Aix-Marseille University, Marseille, France (A.B., J.F., Z.B., M.B., A.J.); I2M-UMR CNRS 7373, Aix-Marseille University, Centrale Marseille, Marseille, France (J.F., B.G.); ImVia Laboratory and University Hospital of Dijon, Bourgogne-Franche Comté University, Dijon, France (A.L.); Department of Radiology, Hôpital de la Croix-Rousse, Hospices Civils de Lyon, Lyon, France (L.B.); Department of Cardiovascular Imaging, Lille University Hospital, Lille, France (F.P.); and Department of Diagnostic Imaging, Rouen University Hospital, Rouen, France (J.N.D.)
| | - Gilbert Habib
- Departments of Radiology (A.B., A.J.) and Cardiology (G.H.), Hôpital de la Timone Adultes, AP-HM, 264, rue Saint-Pierre 13385 Marseille Cedex 05, France; CRMBM-UMR CNRS 7339, Medical Faculty, Aix-Marseille University, Marseille, France (A.B., J.F., Z.B., M.B., A.J.); I2M-UMR CNRS 7373, Aix-Marseille University, Centrale Marseille, Marseille, France (J.F., B.G.); ImVia Laboratory and University Hospital of Dijon, Bourgogne-Franche Comté University, Dijon, France (A.L.); Department of Radiology, Hôpital de la Croix-Rousse, Hospices Civils de Lyon, Lyon, France (L.B.); Department of Cardiovascular Imaging, Lille University Hospital, Lille, France (F.P.); and Department of Diagnostic Imaging, Rouen University Hospital, Rouen, France (J.N.D.)
| | - Alain Lalande
- Departments of Radiology (A.B., A.J.) and Cardiology (G.H.), Hôpital de la Timone Adultes, AP-HM, 264, rue Saint-Pierre 13385 Marseille Cedex 05, France; CRMBM-UMR CNRS 7339, Medical Faculty, Aix-Marseille University, Marseille, France (A.B., J.F., Z.B., M.B., A.J.); I2M-UMR CNRS 7373, Aix-Marseille University, Centrale Marseille, Marseille, France (J.F., B.G.); ImVia Laboratory and University Hospital of Dijon, Bourgogne-Franche Comté University, Dijon, France (A.L.); Department of Radiology, Hôpital de la Croix-Rousse, Hospices Civils de Lyon, Lyon, France (L.B.); Department of Cardiovascular Imaging, Lille University Hospital, Lille, France (F.P.); and Department of Diagnostic Imaging, Rouen University Hospital, Rouen, France (J.N.D.)
| | - Monique Bernard
- Departments of Radiology (A.B., A.J.) and Cardiology (G.H.), Hôpital de la Timone Adultes, AP-HM, 264, rue Saint-Pierre 13385 Marseille Cedex 05, France; CRMBM-UMR CNRS 7339, Medical Faculty, Aix-Marseille University, Marseille, France (A.B., J.F., Z.B., M.B., A.J.); I2M-UMR CNRS 7373, Aix-Marseille University, Centrale Marseille, Marseille, France (J.F., B.G.); ImVia Laboratory and University Hospital of Dijon, Bourgogne-Franche Comté University, Dijon, France (A.L.); Department of Radiology, Hôpital de la Croix-Rousse, Hospices Civils de Lyon, Lyon, France (L.B.); Department of Cardiovascular Imaging, Lille University Hospital, Lille, France (F.P.); and Department of Diagnostic Imaging, Rouen University Hospital, Rouen, France (J.N.D.)
| | - Loïc Boussel
- Departments of Radiology (A.B., A.J.) and Cardiology (G.H.), Hôpital de la Timone Adultes, AP-HM, 264, rue Saint-Pierre 13385 Marseille Cedex 05, France; CRMBM-UMR CNRS 7339, Medical Faculty, Aix-Marseille University, Marseille, France (A.B., J.F., Z.B., M.B., A.J.); I2M-UMR CNRS 7373, Aix-Marseille University, Centrale Marseille, Marseille, France (J.F., B.G.); ImVia Laboratory and University Hospital of Dijon, Bourgogne-Franche Comté University, Dijon, France (A.L.); Department of Radiology, Hôpital de la Croix-Rousse, Hospices Civils de Lyon, Lyon, France (L.B.); Department of Cardiovascular Imaging, Lille University Hospital, Lille, France (F.P.); and Department of Diagnostic Imaging, Rouen University Hospital, Rouen, France (J.N.D.)
| | - François Pontana
- Departments of Radiology (A.B., A.J.) and Cardiology (G.H.), Hôpital de la Timone Adultes, AP-HM, 264, rue Saint-Pierre 13385 Marseille Cedex 05, France; CRMBM-UMR CNRS 7339, Medical Faculty, Aix-Marseille University, Marseille, France (A.B., J.F., Z.B., M.B., A.J.); I2M-UMR CNRS 7373, Aix-Marseille University, Centrale Marseille, Marseille, France (J.F., B.G.); ImVia Laboratory and University Hospital of Dijon, Bourgogne-Franche Comté University, Dijon, France (A.L.); Department of Radiology, Hôpital de la Croix-Rousse, Hospices Civils de Lyon, Lyon, France (L.B.); Department of Cardiovascular Imaging, Lille University Hospital, Lille, France (F.P.); and Department of Diagnostic Imaging, Rouen University Hospital, Rouen, France (J.N.D.)
| | - Jean-Nicolas Dacher
- Departments of Radiology (A.B., A.J.) and Cardiology (G.H.), Hôpital de la Timone Adultes, AP-HM, 264, rue Saint-Pierre 13385 Marseille Cedex 05, France; CRMBM-UMR CNRS 7339, Medical Faculty, Aix-Marseille University, Marseille, France (A.B., J.F., Z.B., M.B., A.J.); I2M-UMR CNRS 7373, Aix-Marseille University, Centrale Marseille, Marseille, France (J.F., B.G.); ImVia Laboratory and University Hospital of Dijon, Bourgogne-Franche Comté University, Dijon, France (A.L.); Department of Radiology, Hôpital de la Croix-Rousse, Hospices Civils de Lyon, Lyon, France (L.B.); Department of Cardiovascular Imaging, Lille University Hospital, Lille, France (F.P.); and Department of Diagnostic Imaging, Rouen University Hospital, Rouen, France (J.N.D.)
| | - Badih Ghattas
- Departments of Radiology (A.B., A.J.) and Cardiology (G.H.), Hôpital de la Timone Adultes, AP-HM, 264, rue Saint-Pierre 13385 Marseille Cedex 05, France; CRMBM-UMR CNRS 7339, Medical Faculty, Aix-Marseille University, Marseille, France (A.B., J.F., Z.B., M.B., A.J.); I2M-UMR CNRS 7373, Aix-Marseille University, Centrale Marseille, Marseille, France (J.F., B.G.); ImVia Laboratory and University Hospital of Dijon, Bourgogne-Franche Comté University, Dijon, France (A.L.); Department of Radiology, Hôpital de la Croix-Rousse, Hospices Civils de Lyon, Lyon, France (L.B.); Department of Cardiovascular Imaging, Lille University Hospital, Lille, France (F.P.); and Department of Diagnostic Imaging, Rouen University Hospital, Rouen, France (J.N.D.)
| | - Alexis Jacquier
- Departments of Radiology (A.B., A.J.) and Cardiology (G.H.), Hôpital de la Timone Adultes, AP-HM, 264, rue Saint-Pierre 13385 Marseille Cedex 05, France; CRMBM-UMR CNRS 7339, Medical Faculty, Aix-Marseille University, Marseille, France (A.B., J.F., Z.B., M.B., A.J.); I2M-UMR CNRS 7373, Aix-Marseille University, Centrale Marseille, Marseille, France (J.F., B.G.); ImVia Laboratory and University Hospital of Dijon, Bourgogne-Franche Comté University, Dijon, France (A.L.); Department of Radiology, Hôpital de la Croix-Rousse, Hospices Civils de Lyon, Lyon, France (L.B.); Department of Cardiovascular Imaging, Lille University Hospital, Lille, France (F.P.); and Department of Diagnostic Imaging, Rouen University Hospital, Rouen, France (J.N.D.)
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Montanarella M, Szames D, Gopireddy D. Use of Cardiac MRI in the Diagnosis of Rare Right Ventricular Noncompaction. Cureus 2021; 13:e14601. [PMID: 34040902 PMCID: PMC8139601 DOI: 10.7759/cureus.14601] [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] [Indexed: 11/28/2022] Open
Abstract
Ventricular noncompaction, also previously known as spongy myocardium, is an inherited primary genetic cardiomyopathy. Noncompaction of the left ventricle is seen in the general population typically in the setting of other congenital heart defects and can be a cause of significant morbidity and mortality. Right ventricular noncompaction is a rare form of cardiomyopathy with no definitive diagnostic criteria. Diagnosis of noncompaction of the right ventricle can be concluded using guidance from the diagnostic criteria for left ventricular noncompaction with multi-modality imaging.
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Affiliation(s)
| | - David Szames
- Radiology, University of Florida College of Medicine, Jacksonville, USA
| | - Dheeraj Gopireddy
- Radiology, University of Florida College of Medicine, Jacksonville, USA
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Diagnostic criteria for left ventricular non-compaction in cardiac computed tomography. PLoS One 2020; 15:e0235751. [PMID: 32649698 PMCID: PMC7351212 DOI: 10.1371/journal.pone.0235751] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 06/22/2020] [Indexed: 11/19/2022] Open
Abstract
Purpose Left ventricular non-compaction (LVNC) is characterized by a 2-layered myocardium composed of a noncompacted (NC) and a compacted (C) layer. The echocardiographic NC:C ratio is difficult to assess in many patients. The aim of the study was to assess the value of cardiac computed tomography (CCT) for the diagnosis of LVNC. Methods In this prospective controlled study, segmental analysis of transthoracic echocardiography (TTE) and prospective ECG-triggered CCT was performed in 17 patients with LVNC and 19 healthy controls. In TTE maximal NC and C thickness was measured at enddiastole and endsystole in the segment with most prominent trabeculation in short axis views. In CCT, maximal segmental NC and C thickness was measured during diastole, and NC:C ratio was determined. Spearman’s correlation coefficient and receiver operating characteristic curves were calculated. Results The median [IQR] radiation dose was 1.3[1.2–1.5]mSv. The CCT thickness of the C layer was significantly lower in patients with LVNC as compared to controls in the inferolateral, midventricular, lateral-, inferior-, and septal-apical segments. The CCT NC:C ratio differed significantly between LVNC and controls in the inferior-midventricular and all the apical segments. NC:C ratio correlated significantly between TTE and CCT at enddiastole (σ = 0.8) and endsystole (σ = 0.9). Using a CCT NC:C ratio ≥1.8, all LVNC patients could be identified. Conclusion LVNC can be diagnosed with ECG-triggered low-dose CCT and discriminated from normal individuals using a NC:C ratio of ≥1.8 in diastole. There is a very good correlation of NC:C ratio in TTE and CCT.
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Irreversible Acquired Noncompaction Cardiomyopathy in a Parturient with Corrected Atrial Septal Defect: A Case Report and Clinical Implications. Case Rep Anesthesiol 2020; 2020:1937589. [PMID: 32181020 PMCID: PMC7066400 DOI: 10.1155/2020/1937589] [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: 11/18/2019] [Accepted: 02/03/2020] [Indexed: 11/21/2022] Open
Abstract
Left ventricular noncompaction (LVNC) is described as a cardiomyopathy with an increase in left ventricle trabeculations and recesses. We report a rare case of persistent pregnancy-acquired LVNC cardiomyopathy and review the anesthetic peripartum management strategies. A 33-year-old parturient was followed closely by the high-risk obstetric service for her second pregnancy. She had an unresolved LVNC cardiomyopathy that was diagnosed during her first pregnancy for which she had a caesarean section. Her symptoms included occasional palpitations and dyspnea. She was started on metoprolol and enoxaparin. A successful caesarean section was performed at 37 weeks gestation under regional anesthesia. Echocardiograms prior to and during the second pregnancy demonstrated persistence of the LV hypertrabeculations, LV systolic dysfunction, and a left ventricular ejection fraction (LVEF) of 35%. Pregnancy-induced LV hypertrabeculations occur in a significant proportion of women, but most cases spontaneously resolve completely. Favorable maternal and fetal outcomes require multidisciplinary care and careful selection of the anesthetic technique and drugs that maintain stable hemodynamics.
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Precone V, Krasi G, Guerri G, Madureri A, Piazzani M, Michelini S, Barati S, Maniscalchi T, Bressan S, Bertelli M. Cardiomyopathies. ACTA BIO-MEDICA : ATENEI PARMENSIS 2019; 90:32-43. [PMID: 31577251 PMCID: PMC7233648 DOI: 10.23750/abm.v90i10-s.8755] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Accepted: 08/05/2019] [Indexed: 01/17/2023]
Abstract
The most common cardiomyopathies often present to primary care physicians with similar symptoms, despite the fact that they involve a variety of phenotypes and etiologies (1). Many have signs and symptoms common in heart failure, such as reduced ejection fraction, peripheral edema, fatigue, orthopnea, exertion dyspnea, paroxysmal nocturnal dyspnea, presyncope, syncope and cardiac ischemia (1). In all cardiomyopathies, the cardiac muscle (myocardium) may be structurally and/or functionally impaired. They can be classified as hypertrophic, dilated, left-ventricular non compaction, restrictive and arrhythmogenic right ventricular cardiomyopathies. (www.actabiomedica.it)
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Richard P, Ader F, Roux M, Donal E, Eicher JC, Aoutil N, Huttin O, Selton-Suty C, Coisne D, Jondeau G, Damy T, Mansencal N, Casalta AC, Michel N, Haentjens J, Faivre L, Lavoute C, Nguyen K, Tregouët DA, Habib G, Charron P. Targeted panel sequencing in adult patients with left ventricular non-compaction reveals a large genetic heterogeneity. Clin Genet 2018; 95:356-367. [PMID: 30471092 DOI: 10.1111/cge.13484] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 09/06/2018] [Accepted: 09/18/2018] [Indexed: 12/31/2022]
Abstract
Left ventricular non-compaction (LVNC) is a cardiomyopathy that may be of genetic origin; however, few data are available about the yield of mutation, the spectrum of genes and allelic variations. The aim of this study was to better characterize the genetic spectrum of isolated LVNC in a prospective cohort of 95 unrelated adult patients through the molecular investigation of 107 genes involved in cardiomyopathies and arrhythmias. Fifty-two pathogenic or probably pathogenic variants were identified in 40 patients (42%) including 31 patients (32.5%) with single variant and 9 patients with complex genotypes (9.5%). Mutated patients tended to have younger age at diagnosis than patients with no identified mutation. The most prevalent genes were TTN, then HCN4, MYH7, and RYR2. The distribution includes 13 genes previously reported in LVNC and 10 additional candidate genes. Our results show that LVNC is basically a genetic disease and support genetic counseling and cardiac screening in relatives. There is a large genetic heterogeneity, with predominant TTN null mutations and frequent complex genotypes. The gene spectrum is close to the one observed in dilated cardiomyopathy but with specific genes such as HCN4. We also identified new candidate genes that could be involved in this sub-phenotype of cardiomyopathy.
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Affiliation(s)
- Pascale Richard
- APHP, Functional Unit of Cardiogénétique et Myogénétique, Service de Biochimie Métabolique, Hôpitaux Universitaires de la Pitié-Salpêtrière-Charles Foix, Paris, France.,Sorbonne Universités, UPMC Univ. Paris 06, INSERM, UMR_S 1166 and ICAN Institute for Cardiometabolism and Nutrition, Paris, France
| | - Flavie Ader
- APHP, Functional Unit of Cardiogénétique et Myogénétique, Service de Biochimie Métabolique, Hôpitaux Universitaires de la Pitié-Salpêtrière-Charles Foix, Paris, France
| | - Maguelonne Roux
- Sorbonne Universités, UPMC Univ. Paris 06, INSERM, UMR_S 1166 and ICAN Institute for Cardiometabolism and Nutrition, Paris, France
| | - Erwan Donal
- Service de Cardiologie, Centre Hospitalier Régional Universitaire Pontchaillou, Rennes, France
| | - Jean-Christophe Eicher
- Service de Cardiologie, CHU Dijon Bourgogne - Hôpital François Mitterrand, 2 bd Maréchal de Lattre de Tassigny, Dijon, France
| | - Nadia Aoutil
- APHP, Functional Unit of Cardiogénétique et Myogénétique, Service de Biochimie Métabolique, Hôpitaux Universitaires de la Pitié-Salpêtrière-Charles Foix, Paris, France
| | - Olivier Huttin
- Service de Cardiologie, CHU de Nancy, Hôpitaux de Brabois, rue du Morvan, Vandœuvre-lès-Nancy, France
| | - Christine Selton-Suty
- Service de Cardiologie, CHU de Nancy, Hôpitaux de Brabois, rue du Morvan, Vandœuvre-lès-Nancy, France
| | - Damien Coisne
- Service de Cardiologie, CHU de Poitiers, Poitiers, France
| | - Guillaume Jondeau
- APHP, Service Cardiologie, CHU Paris Nord-Val de Seine - Hôpital Xavier Bichat-Claude Bernard, Paris, France
| | - Thibaud Damy
- APHP, Service Cardiologie, CHU Henri Mondor, Créteil, France
| | - Nicolas Mansencal
- APHP, Service de Cardiologie, CHU Ambroise Paré, Boulogne Billancourt, France
| | | | - Nicolas Michel
- Cardiology Department, APHM, La Timone Hospital, Marseille, France
| | - Julie Haentjens
- Cardiology Department, APHM, La Timone Hospital, Marseille, France
| | - Laurence Faivre
- Service de Génétique, CHU Dijon Bourgogne - Hôpital François Mitterrand, Dijon, France
| | - Cecile Lavoute
- Cardiology Department, APHM, La Timone Hospital, Marseille, France
| | - Karine Nguyen
- APHM, Département de Génétique Médicale, APHM, La Timone Hospital, Marseille, France
| | - David-Alexandre Tregouët
- Sorbonne Universités, UPMC Univ. Paris 06, INSERM, UMR_S 1166 and ICAN Institute for Cardiometabolism and Nutrition, Paris, France
| | - Gilbert Habib
- Cardiology Department, APHM, La Timone Hospital, Marseille, France.,Aix Marseille Univ, IRD, APHM, MEPHI, IHU-Méditerranée Infection, Marseille, France
| | - Philippe Charron
- Sorbonne Universités, UPMC Univ. Paris 06, INSERM, UMR_S 1166 and ICAN Institute for Cardiometabolism and Nutrition, Paris, France.,APHP, Centre de référence pour les maladies cardiaques héréditaires, Hôpital Pitié-Salpêtrière, Paris, France.,Université de Versailles Saint Quentin, Service de Génétique, Hôpital Ambroise Paré, Boulogne-Billancourt, France
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Shen M, Capoulade R, Tastet L, Guzzetti E, Clavel MA, Salaun E, Bédard É, Arsenault M, Chetaille P, Tizón-Marcos H, Le Ven F, Pibarot P, Larose É. Prevalence of left ventricle non-compaction criteria in adult patients with bicuspid aortic valve versus healthy control subjects. Open Heart 2018; 5:e000869. [PMID: 30364562 PMCID: PMC6196966 DOI: 10.1136/openhrt-2018-000869] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 08/08/2018] [Accepted: 08/14/2018] [Indexed: 01/17/2023] Open
Abstract
Objective The aim of this study was to compare the prevalence of left ventricle non-compaction (LVNC) criteria (or hypertrabeculation) in a cohort of patients with bicuspid aortic valve (BAV) and healthy control subjects (CTL) without cardiovascular disease using cardiovascular MR (CMR). Methods 79 patients with BAV and 85 CTL with tricuspid aortic valve and free of known cardiovascular disease underwent CMR to evaluate the presence of LVNC criteria. The left ventricle was assessed at end-systole and end-diastole, in the short-axis, two-chamber and four-chamber views and divided into the 16 standardised myocardial segments. LVNC was assessed using the non-compacted/compacted (NC/C) myocardium ratio and was considered to be present if at least one of the myocardial segments had a NC/C ratio superior to the cut-off values defined in previous studies: Jenni et al (>2.0 end-systole); Petersen et al (>2.3 end-diastole); or Fazio et al (>2.5 end-diastole). Results 15 CTL (17.6%) vs 8 BAV (10.1%) fulfilled Jenni et al’s criterion; 69 CTL (81.2%) vs 49 BAV (62.0%) fulfilled Petersen et al’s criterion; and 66 CTL (77.6%) vs 43 BAV (54.4%) fulfilled Fazio et al’s criterion. Petersen et al and Fazio et al’s LVNC criteria were met more often by CTL (p=0.006 and p=0.002, respectively) than patients with BAV, whereas this difference was not statistically significant according to Jenni et al’s criterion (p=0.17). In multivariable analyses, after adjusting for age, sex, the presence of significant valve dysfunction (>mild stenosis or >mild regurgitation), indexed LV mass, indexed LV end-diastolic volume and LV ejection fraction, BAV was not associated with any of the three LVNC criteria. Conclusion Patients with BAV do not harbour more LVNC than the general population and there is no evidence that they are at higher risk for the development of LVNC cardiomyopathy.
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Affiliation(s)
- Mylène Shen
- Institut Universitaire de Cardiologie et de Pneumologie de Québec / Quebec Heart & Lung Institute, Laval University, Quebec City, Quebec, Canada
| | - Romain Capoulade
- Institut Universitaire de Cardiologie et de Pneumologie de Québec / Quebec Heart & Lung Institute, Laval University, Quebec City, Quebec, Canada
| | - Lionel Tastet
- Institut Universitaire de Cardiologie et de Pneumologie de Québec / Quebec Heart & Lung Institute, Laval University, Quebec City, Quebec, Canada
| | - Ezequiel Guzzetti
- Institut Universitaire de Cardiologie et de Pneumologie de Québec / Quebec Heart & Lung Institute, Laval University, Quebec City, Quebec, Canada
| | - Marie-Annick Clavel
- Institut Universitaire de Cardiologie et de Pneumologie de Québec / Quebec Heart & Lung Institute, Laval University, Quebec City, Quebec, Canada
| | - Erwan Salaun
- Institut Universitaire de Cardiologie et de Pneumologie de Québec / Quebec Heart & Lung Institute, Laval University, Quebec City, Quebec, Canada
| | - Élisabeth Bédard
- Institut Universitaire de Cardiologie et de Pneumologie de Québec / Quebec Heart & Lung Institute, Laval University, Quebec City, Quebec, Canada
| | - Marie Arsenault
- Institut Universitaire de Cardiologie et de Pneumologie de Québec / Quebec Heart & Lung Institute, Laval University, Quebec City, Quebec, Canada
| | - Philippe Chetaille
- Department of Pediatrics, Centre Mère Enfants Soleil, Centre Hospitalier Universitaire de Québec, Laval University, Quebec City, Quebec, Canada
| | - Helena Tizón-Marcos
- Institut Universitaire de Cardiologie et de Pneumologie de Québec / Quebec Heart & Lung Institute, Laval University, Quebec City, Quebec, Canada
| | - Florent Le Ven
- Institut Universitaire de Cardiologie et de Pneumologie de Québec / Quebec Heart & Lung Institute, Laval University, Quebec City, Quebec, Canada
| | - Philippe Pibarot
- Institut Universitaire de Cardiologie et de Pneumologie de Québec / Quebec Heart & Lung Institute, Laval University, Quebec City, Quebec, Canada
| | - Éric Larose
- Institut Universitaire de Cardiologie et de Pneumologie de Québec / Quebec Heart & Lung Institute, Laval University, Quebec City, Quebec, Canada
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Handlos P, Gruszka T, Staňková M, Marecová K, Joukal M. Biventricular noncompaction cardiomyopathy with malignant arrhythmia as a cause of sudden death. Forensic Sci Med Pathol 2017; 13:495-499. [PMID: 28616812 DOI: 10.1007/s12024-017-9889-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2017] [Indexed: 01/10/2023]
Affiliation(s)
- Petr Handlos
- Forensic Medicine, University Hospital Ostrava, CZ-708 52, Ostrava, Czech Republic
- Department of Intensive Medicine and Forensic Studies, Ostrava University, CZ-703 00, Ostrava, Czech Republic
- Department of Anatomy, Faculty of Medicine, Masaryk University, CZ-625 00, Brno, Czech Republic
| | - Tomáš Gruszka
- Pediatric Medicine, University Hospital Ostrava, CZ-708 52, Ostrava, Czech Republic
| | - Marie Staňková
- Forensic Medicine, University Hospital Ostrava, CZ-708 52, Ostrava, Czech Republic
- Department of Intensive Medicine and Forensic Studies, Ostrava University, CZ-703 00, Ostrava, Czech Republic
| | - Klára Marecová
- Department of Forensic Medicine and Medical Law, Faculty Hospital Olomouc, CZ-779 00, Olomouc, Czech Republic
| | - Marek Joukal
- Department of Anatomy, Faculty of Medicine, Masaryk University, CZ-625 00, Brno, Czech Republic.
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12
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Yin L. Non-compact cardiomyopathy or ventricular non-compact syndrome? J Cardiovasc Ultrasound 2014; 22:165-72. [PMID: 25580189 PMCID: PMC4286636 DOI: 10.4250/jcu.2014.22.4.165] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2014] [Revised: 11/25/2014] [Accepted: 11/27/2014] [Indexed: 01/26/2023] Open
Abstract
Ventricular myocardial non-compaction has been recognized and defined as a genetic cardiomyopathy by American Heart Association since 2006. The argument on the nomenclature and pathogenesis of this kind of ventricular myocardial non-compaction characterized by regional ventricular wall thickening and deep trabecular recesses often complicated with chronic heart failure, arrhythmia and thromboembolism and usually overlap the genetics and phenotypes of other kind of genetic or mixed cardiomyopathy still exist. The proper classification and correct nomenclature of the non-compact ventricles will contribute to the precisely and completely understanding of etiology and its related patho-physiological mechanism for a better risk stratification and more personalized therapy of the disease individually. All of the genetic heterogeneity and phenotypical overlap and the variety in histopathological, electromechanical and clinical presentation indicates that some of the cardiomyopathies might just be the different consequence of myocardial development variations related to gene mutation and phenotype of one or group genes induced by the interacted and disturbed process of gene modulation at different links of gene function expression and some other etiologies. This review aims to establish a new concept of "ventricular non-compaction syndrome" based on the demonstration of the current findings of etiology, epidemiology, histopathology and echocardiography related to the disorder of ventricular myocardial compaction and myocardial electromechanical function development.
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Affiliation(s)
- Lixue Yin
- Cardiovascular Ultrasound and Non-Invasive Cardiology Department, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Sichuan, China
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Vanhecke TE, Weber JE, Ebinger M, Bonzheim K, Tilli F, Rao S, Osman A, Silver M, Fliegner K, Almany S, Haines D. Implementation of ultraportable echocardiography in an adolescent sudden cardiac arrest screening program. CLINICAL MEDICINE INSIGHTS-CARDIOLOGY 2014; 8:87-92. [PMID: 25249762 PMCID: PMC4167321 DOI: 10.4137/cmc.s15779] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2014] [Revised: 05/19/2014] [Accepted: 05/19/2014] [Indexed: 11/21/2022]
Abstract
BACKGROUND Over a 12-month period, adolescent heart-screening programs were performed for identifying at-risk adolescents for sudden cardiac death (SCD) in our community. Novel to our study, all adolescents received an abbreviated, ultraportable echocardiography (UPE). In this report, we describe the use of UPE in this screening program. METHODS AND RESULTS Four hundred thirty-two adolescents underwent cardiac screening with medical history questionnaire, physical examination, 12-lead electrocardiogram (ECG), and an abbreviated transthoracic echocardiographic examination. There were 11 abnormalities identified with uncertain/varying clinical risk significance. In this population, 75 adolescents had a murmur or high ECG voltage, of which only three had subsequent structural abnormalities on echocardiography that may pose risk. Conversely, UPE discovered four adolescents who had a cardiovascular structural abnormality that was not signaled by the 12-lead ECG, medical history questionnaire, and/or physical examination. CONCLUSIONS The utilization of ultraportable, handheld echocardiography is feasible in large-scale adolescent cardiovascular screening programs. UPE appears to be useful for finding additional structural abnormalities and for risk-stratifying abnormalities of uncertain potential of adolescents’ sudden death.
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Affiliation(s)
- Thomas E Vanhecke
- Department of Cardiovascular Medicine, Michigan State University/Genesys Regional Medical Center/Ascension Health, Grand Blanc, MI, USA
| | - James E Weber
- Department of Emergency Medicine, University of Michigan Medical School/Hurley Medical Center, Ann Arbor, MI, USA
| | - Matthew Ebinger
- Department of Cardiovascular Medicine, Michigan State University/Genesys Regional Medical Center/Ascension Health, Grand Blanc, MI, USA
| | - Kimberly Bonzheim
- Department of Cardiovascular Medicine, Michigan State University/Genesys Regional Medical Center/Ascension Health, Grand Blanc, MI, USA
| | - Frank Tilli
- Department of Cardiovascular Medicine, Michigan State University/Genesys Regional Medical Center/Ascension Health, Grand Blanc, MI, USA
| | - Sunilkumar Rao
- Department of Cardiovascular Medicine, Michigan State University/Genesys Regional Medical Center/Ascension Health, Grand Blanc, MI, USA
| | - Abdulfatah Osman
- Department of Cardiovascular Medicine, Michigan State University/Genesys Regional Medical Center/Ascension Health, Grand Blanc, MI, USA
| | - Marc Silver
- Department of Cardiovascular Medicine, Michigan State University/Genesys Regional Medical Center/Ascension Health, Grand Blanc, MI, USA
| | - Karsten Fliegner
- Department of Cardiovascular Medicine, Michigan State University/Genesys Regional Medical Center/Ascension Health, Grand Blanc, MI, USA
| | - Steve Almany
- Department of Cardiovascular Medicine, Oakland University/William Beaumont Hospital, Royal Oak, MI, USA
| | - David Haines
- Department of Cardiovascular Medicine, Oakland University/William Beaumont Hospital, Royal Oak, MI, USA
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Statile CJ, Taylor MD, Mazur W, Cripe LH, King E, Pratt J, Benson DW, Hor KN. Left ventricular noncompaction in Duchenne muscular dystrophy. J Cardiovasc Magn Reson 2013; 15:67. [PMID: 23914774 PMCID: PMC3750745 DOI: 10.1186/1532-429x-15-67] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2013] [Accepted: 07/07/2013] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Left ventricular noncompaction (LVNC) describes deep trabeculations in the left ventricular (LV) endocardium and a thinned epicardium. LVNC is seen both as a primary cardiomyopathy and as a secondary finding in other syndromes affecting the myocardium such as neuromuscular disorders. The objective of this study is to define the prevalence of LVNC in the Duchenne Muscular Dystrophy (DMD) population and characterize its relationship to global LV function. METHODS Cardiac magnetic resonance (CMR) was used to assess ventricular morphology and function in 151 subjects: DMD with ejection fraction (EF) > 55% (n = 66), DMD with EF < 55% (n = 30), primary LVNC (n = 15) and normal controls (n = 40). The non-compacted to compacted (NC/C) ratio was measured in each of the 16 standard myocardial segments. LVNC was defined as a diastolic NC/C ratio > 2.3 for any segment. RESULTS LVNC criteria were met by 27/96 DMD patients (prevalence of 28%): 11 had an EF > 55% (prevalence of 16.7%), and 16 had an EF < 55% (prevalence of 53.3%). The median maximum NC/C ratio was 1.8 for DMD with EF > 55%, 2.46 for DMD with EF < 55%, 1.54 for the normal subjects, and 3.69 for primary LVNC patients. Longitudinal data for 78 of the DMD boys demonstrated a mean rate of change in NC/C ratio per year of +0.36. CONCLUSION The high prevalence of LVNC in DMD is associated with decreased LV systolic function that develops over time and may represent muscular degeneration versus compensatory remodeling.
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Affiliation(s)
| | - Michael D Taylor
- Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
| | - Wojciech Mazur
- The Ohio Heart and Vascular Center at The Christ Hospital, Cincinnati, OH, USA
| | | | - Eileen King
- Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
| | - Jesse Pratt
- Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
| | | | - Kan N Hor
- Nationwide Children’s Hospital, Columbus, OH, USA
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15
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Zhang W, Chen H, Qu X, Chang CP, Shou W. Molecular mechanism of ventricular trabeculation/compaction and the pathogenesis of the left ventricular noncompaction cardiomyopathy (LVNC). AMERICAN JOURNAL OF MEDICAL GENETICS PART C-SEMINARS IN MEDICAL GENETICS 2013; 163C:144-56. [PMID: 23843320 DOI: 10.1002/ajmg.c.31369] [Citation(s) in RCA: 100] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Ventricular trabeculation and compaction are two of the many essential steps for generating a functionally competent ventricular wall. A significant reduction in trabeculation is usually associated with ventricular compact zone deficiencies (hypoplastic wall), which commonly leads to embryonic heart failure and early embryonic lethality. In contrast, hypertrabeculation and lack of ventricular wall compaction (noncompaction) are closely related defects in cardiac embryogenesis associated with left ventricular noncompaction (LVNC), a genetically heterogenous disorder. Here we review recent findings through summarizing several genetically engineered mouse models that have defects in cardiac trabeculation and compaction.
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Affiliation(s)
- Wenjun Zhang
- Riley Heart Research Center, Indiana University School of Medicine, Indianapolis, IN 46202, USA
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16
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Chen H, Zhang W, Sun X, Yoshimoto M, Chen Z, Zhu W, Liu J, Shen Y, Yong W, Li D, Zhang J, Lin Y, Li B, VanDusen NJ, Snider P, Schwartz RJ, Conway SJ, Field LJ, Yoder MC, Firulli AB, Carlesso N, Towbin JA, Shou W. Fkbp1a controls ventricular myocardium trabeculation and compaction by regulating endocardial Notch1 activity. Development 2013; 140:1946-57. [PMID: 23571217 DOI: 10.1242/dev.089920] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Trabeculation and compaction of the embryonic myocardium are morphogenetic events crucial for the formation and function of the ventricular walls. Fkbp1a (FKBP12) is a ubiquitously expressed cis-trans peptidyl-prolyl isomerase. Fkbp1a-deficient mice develop ventricular hypertrabeculation and noncompaction. To determine the physiological function of Fkbp1a in regulating the intercellular and intracellular signaling pathways involved in ventricular trabeculation and compaction, we generated a series of Fkbp1a conditional knockouts. Surprisingly, cardiomyocyte-restricted ablation of Fkbp1a did not give rise to the ventricular developmental defect, whereas endothelial cell-restricted ablation of Fkbp1a recapitulated the ventricular hypertrabeculation and noncompaction observed in Fkbp1a systemically deficient mice, suggesting an important contribution of Fkbp1a within the developing endocardia in regulating the morphogenesis of ventricular trabeculation and compaction. Further analysis demonstrated that Fkbp1a is a novel negative modulator of activated Notch1. Activated Notch1 (N1ICD) was significantly upregulated in Fkbp1a-ablated endothelial cells in vivo and in vitro. Overexpression of Fkbp1a significantly reduced the stability of N1ICD and direct inhibition of Notch signaling significantly reduced hypertrabeculation in Fkbp1a-deficient mice. Our findings suggest that Fkbp1a-mediated regulation of Notch1 plays an important role in intercellular communication between endocardium and myocardium, which is crucial in controlling the formation of the ventricular walls.
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Affiliation(s)
- Hanying Chen
- Riley Heart Research Center, Division of Pediatric Cardiology, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
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Gerecke B, Engberding R. [Isolated noncompaction cardiomyopathy with special emphasis on arrhythmia complications]. Herzschrittmacherther Elektrophysiol 2012; 23:201-10. [PMID: 23008085 DOI: 10.1007/s00399-012-0226-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2012] [Accepted: 07/20/2012] [Indexed: 02/03/2023]
Abstract
Isolated noncompaction cardiomyopathy (NCCM) is a rare genetically determined myocardial disease caused by abnormal fetal development of the myocardium resulting in a thin compacted and a thicker noncompacted layer of the affected left ventricular (LV) wall. The genetic basis of NCCM is heterogenous. Diagnosis can be made using echocardiography or magnetic resonance imaging. The diagnostic criteria for NCCM are still under discussion. Afflicted patients may present with various symptoms caused by arrhythmias, heart failure and cardioembolic events. Severely reduced LV function as well as left bundle branch block and atrial fibrillation were shown to be linked to worse outcomes. Treatment in patients with NCCM should be targeted at individual symptoms and clinical findings. Therapy includes pharmacological treatment, and in individual cases ablation or device therapy, as well as consideration for heart transplantation in selected cases. Aside from regular clinical follow-up of patients with NCCM screening of first degree family members with assessment of medical history, physical examination, ECG recording, and echocardiography are recommended.
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Affiliation(s)
- B Gerecke
- I. Medizinische Klinik, Klinikum Wolfsburg, Sauerbruchstraße 7, 38440, Wolfsburg, Germany.
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18
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Abstract
During the past two decades, numerous disease-causing genes for different cardiomyopathies have been identified. These discoveries have led to better understanding of disease pathogenesis and initial steps in the application of mutation analysis in the evaluation of affected individuals and their family members. As knowledge of the genetic abnormalities, and insight into cellular and organ biology has grown, so has appreciation of the level of complexity of interaction between genotype and phenotype across disease states. What were initially thought to be one-to-one gene-disease correlates have turned out to display important relational plasticity dependent in large part on the genetic and environmental backgrounds into which the genes of interest express. The current state of knowledge with regard to genetics of cardiomyopathy represents a starting point to address the biology of disease, but is not yet developed sufficiently to supplant clinically based classification systems or, in most cases, to guide therapy to any significant extent. Future work will of necessity be directed towards elucidation of the biological mechanisms of both rare and common gene variants and environmental determinants of plasticity in the genotype-phenotype relationship with the ultimate goal of furthering our ability to identify, diagnose, risk stratify, and treat this group of disorders which cause heart failure and sudden death in the young.
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Affiliation(s)
- Daniel Jacoby
- Division of Cardiology, Yale School of Medicine, New Haven, CT 06519, USA
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Krishnan U, Parekh VI, Nguyen P, Bowling SA, Saint S, Goldberger ZD. A lifetime in the making. J Hosp Med 2011; 6:304-8. [PMID: 21661105 DOI: 10.1002/jhm.883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Udhay Krishnan
- Department of Internal Medicine, University of Michigan Health System, Ann Arbor, Michigan, USA
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Engberding R, Stöllberger C, Ong P, Yelbuz TM, Gerecke BJ, Breithardt G. Isolated non-compaction cardiomyopathy. DEUTSCHES ARZTEBLATT INTERNATIONAL 2010; 107:206-13. [PMID: 20386670 PMCID: PMC2853150 DOI: 10.3238/arztebl.2010.0206] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2009] [Accepted: 07/21/2009] [Indexed: 01/28/2023]
Abstract
BACKGROUND Isolated non-compaction cardiomyopathy (NCCM) was first described in 1984. This disorder, a primary genetic cardiomyopathy, is now attracting increased attention. METHOD The current state of the epidemiology, pathogenesis, pathophysiology, clinical features, diagnosis, treatment, and prognosis of NCCM are discussed on the basis of a review of selected literature as well as the authors' personal experience. RESULTS The pathogenesis of NCCM is thought to involve a genetically determined disturbance of the myocardial compaction process during fetal endomyocardial morphogenesis. It is not accompanied by any other cardiac anomalies. Echocardiography is the diagnostic method of choice. The diagnosis is based on the following echocardiographic criteria: the presence of at least 4 prominent trabeculations and deep intertrabecular recesses, blood flow from the ventricular cavity into the intertrabecular recesses, and a typical bilaminar structure of the affected portion of the left ventricular myocardium. NCCM can also be diagnosed with magnetic resonance imaging of the heart. The clinical severity of NCCM is variable; its manifestations include heart failure, thromboembolic events, and arrhythmias. The treatment is symptom-based. Patients with symptomatic NCCM have a poor prognosis. CONCLUSION NCCM is a type of cardiomyopathy that was first described 25 years ago. Its molecular genetic basis is not yet fully clear, and the same is true of its diagnosis, treatment, and prognosis. Further study of these matters is needed.
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Affiliation(s)
- Rolf Engberding
- Medizinische Klinik, Lehrkrankenhaus der MHH, Klinikum der Stadt Wolfsburg, Sauerbruchstr. 7, 38440 Wolfsburg, Germany.
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Analysis of ventricular hypertrabeculation and noncompaction using genetically engineered mouse models. Pediatr Cardiol 2009; 30:626-34. [PMID: 19396388 PMCID: PMC2746357 DOI: 10.1007/s00246-009-9406-5] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2009] [Accepted: 02/26/2009] [Indexed: 10/20/2022]
Abstract
Ventricular trabeculation and compaction are two of the many essential steps for generating a functionally competent ventricular wall. A significant reduction in trabeculation is usually associated with ventricular compact zone deficiencies (hypoplastic wall), which commonly lead to embryonic heart failure and early embryonic lethality. In contrast, hypertrabeculation and lack of ventricular wall compaction (noncompaction) are closely related defects in cardiac embryogenesis associated with left ventricular noncompaction, a genetically heterogeneous disorder. Here we summarize our recent findings through the analyses of several genetically engineered mouse models that have defects in cardiac trabeculation and compaction. Our data indicate that cellular growth and differentiation signaling pathways are keys in these ventricular morphogenetic events.
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