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Noncompaction cardiomyopathy

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https://www.readbyqxmd.com/read/29447732/left-ventricular-noncompaction-from-physiologic-remodeling-to-noncompaction-cardiomyopathy
#1
EDITORIAL
Erwin Oechslin, Rolf Jenni
No abstract text is available yet for this article.
February 20, 2018: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29447731/genetics-clinical-features-and-long-term-outcome-of-noncompaction-cardiomyopathy
#2
Jaap I van Waning, Kadir Caliskan, Yvonne M Hoedemaekers, Karin Y van Spaendonck-Zwarts, Annette F Baas, S Matthijs Boekholdt, Joost P van Melle, Arco J Teske, Folkert W Asselbergs, Ad P C M Backx, Gideon J du Marchie Sarvaas, Michiel Dalinghaus, Johannes M P J Breur, Marijke P M Linschoten, Laura A Verlooij, Isabella Kardys, Dennis Dooijes, Ronald H Lekanne Deprez, Arne S IJpma, Maarten P van den Berg, Robert M W Hofstra, Marjon A van Slegtenhorst, Jan D H Jongbloed, Danielle Majoor-Krakauer
BACKGROUND: The clinical outcomes of noncompaction cardiomyopathy (NCCM) range from asymptomatic to heart failure, arrhythmias, and sudden cardiac death. Genetics play an important role in NCCM. OBJECTIVES: This study investigated the correlations among genetics, clinical features, and outcomes in adults and children diagnosed with NCCM. METHODS: A retrospective multicenter study from 4 cardiogenetic centers in the Netherlands classified 327 unrelated NCCM patients into 3 categories: 1) genetic, with a mutation in 32% (81 adults; 23 children) of patients; 2) probably genetic, familial cardiomyopathy without a mutation in 16% (45 adults; 8 children) of patients; or 3) sporadic, no family history, without mutation in 52% (149 adults; 21 children) of patients...
February 20, 2018: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29445263/noncompaction-cardiomyopathy-and-heterotaxy-syndrome
#3
Hugo R Martinez, Stephanie M Ware, Marcus S Schamberger, John J Parent
Left ventricular noncompaction cardiomyopathy (LVNC) is characterized by compact and trabecular layers of the left ventricular myocardium. This cardiomyopathy may occur with congenital heart disease (CHD). Single cases document co-occurrence of LVNC and heterotaxy, but no data exist regarding the prevalence of this association. This study sought to determine whether a non-random association of LVNC and heterotaxy exists by evaluating the prevalence of LVNC in patients with heterotaxy. In a retrospective review of the Indiana Network for Patient Care, we identified 172 patients with heterotaxy (69 male, 103 female)...
September 2017: Progress in Pediatric Cardiology
https://www.readbyqxmd.com/read/29440008/novel-%C3%AE-actin-gene-mutation-p-ala21val-causing-familial-hypertrophic-cardiomyopathy-myocardial-noncompaction-and-transmural-crypts-clinical-pathologic-correlation
#4
Andrea Frustaci, Alessandro De Luca, Valentina Guida, Tommaso Biagini, Tommaso Mazza, Carlo Gaudio, Claudio Letizia, Matteo Antonio Russo, Nicola Galea, Cristina Chimenti
BACKGROUND: Mutations of α-actin gene (ACTC1) have been phenotypically related to various cardiac anomalies, including hypertrophic cardiomyopathy and dilated cardiomyopathy and left ventricular (LV) myocardial noncompaction. A novel ACTC mutation is reported as cosegregating for familial hypertrophic cardiomyopathy and LV myocardial noncompaction with transmural crypts. METHODS AND RESULTS: In an Italian family of 7 subjects, 4 aged 10 (II-1), 14 (II-2), 43 (I-4) and 46 years (I-5), presenting abnormal ECG changes, dyspnea and palpitation (II-2, I-4, and I-5), and recurrent cerebral ischemic attack (I-5), underwent 2-dimensional echo, cardiac magnetic resonance, Holter monitoring, and next-generation sequencing gene analysis...
February 10, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29431384/cardiomyopathy-an-overview
#5
Jay Brieler, Matthew A Breeden, Jane Tucker
The definition and classification of cardiomyopathy have evolved considerably in recent years. Cardiomyopathy can be separated into primary (genetic, mixed, or acquired) and secondary categories, which result in varied phenotypes including dilated, hypertrophic, and restrictive patterns. Hypertrophic cardiomyopathy is the most common primary cardiomyopathy and can cause exertional dyspnea, presyncope, atypical chest pain, heart failure, and sudden cardiac death. Dilated cardiomyopathy can be genetic or acquired and typically presents with classic symptoms of heart failure with reduced ejection fraction...
November 15, 2017: American Family Physician
https://www.readbyqxmd.com/read/29289512/long-term-follow-up-of-symptomatic-adult-patients-with-noncompaction-cardiomyopathy
#6
Joel Salazar-Mendiguchía, José González-Costello, Teresa Oliveras, Francisco Gual, Josep Lupón, Nicolás Manito
No abstract text is available yet for this article.
December 27, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/29221698/undulating-clinical-course-of-noncompaction-cardiomyopathy
#7
Paola Dolader, Ferran Gran, Gemma Giralt, Queralt Ferrer, Ferran Rosés-Noguer, Dimpna C Albert
No abstract text is available yet for this article.
December 5, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/29212898/genetic-testing-in-pediatric-left-ventricular-noncompaction
#8
Erin M Miller, Robert B Hinton, Richard Czosek, Angela Lorts, Ashley Parrott, Amy R Shikany, Richard F Ittenbach, Stephanie M Ware
BACKGROUND: Left ventricular noncompaction (LVNC) can occur in isolation or can co-occur with a cardiomyopathy phenotype or cardiovascular malformation. The yield of cardiomyopathy gene panel testing in infants, children, and adolescents with a diagnosis of LVNC is unknown. By characterizing a pediatric population with LVNC, we sought to determine the yield of cardiomyopathy gene panel testing, distinguish the yield of testing for LVNC with or without co-occurring cardiac findings, and define additional factors influencing genetic testing yield...
December 2017: Circulation. Cardiovascular Genetics
https://www.readbyqxmd.com/read/29176328/cardiomyopathy-associated-gene-1-sensitive-pkc-dependent-connexin-43-expression-and-phosphorylation-in-left-ventricular-noncompaction-cardiomyopathy
#9
Yuanyuan Xie, Shenghua Liu, Shengshou Hu, Yingjie Wei
BACKGROUND/AIMS: Cardiomyopathy-associated gene 1 (CMYA1) plays an important role in embryonic cardiac development, postnatal cardiac remodeling and myocardial injury repair. Abnormal CMYA1 expression may be involved in cardiac dysplasia and primary cardiomyopathy. Our study aims to establish the relationship between CMYA1 and Left ventricular noncompaction cardiomyopathy (LVNC) pathogenesis. METHODS: We explored the effects of CMYA1 on connexins (Cx), which contribute to gap junction intercellular communication (GJIC), and the underlying signaling pathway in human normal tissues, LVNC myocardial tissues and HL1 cells by means of western blotting, RT-qPCR, immunohistochemistry, immunofluorescence, co-immunoprecipitation and scrape loading-dye transfer...
November 24, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29118297/phenotype-and-functional-analyses-in-a-transgenic-mouse-model-of-left-ventricular-noncompaction-caused-by-a-dtna-mutation
#10
Qing Cao, Yang Shen, Xin Liu, Xin Yu, Ping Yuan, Rong Wan, Xiuxia Liu, Xiaogang Peng, Wenfeng He, Jielin Pu, Kui Hong
DTNA encoding dystrobrevin-α (α-DB) is a putative causal gene associated with left ventricular noncompaction cardiomyopathy (LVNC). The aim of the study was to investigate the causal role of DTNA in LVNC using a transgenic mouse model.A missense mutation (c.146A > G, p.N49S) of DTNA was identified in a patient with LVNC by Sanger sequencing. Six independent lines of transgenic mice expressing the mutant DTNA under a myosin heavy chain 6 (Myh6) promoter were generated (Myh6:Dtna(N49S)). Phenotypic characteristics of DTNA-p...
November 8, 2017: International Heart Journal
https://www.readbyqxmd.com/read/29035186/left-ventricular-noncompaction-cardiomyopathy-and-recurrent-polymorphic-ventricular-tachycardia-a-case-report-and-literature-review
#11
Oluwaseun A Akinseye, Uzoma N Ibebuogu, Sunil K Jha
INTRODUCTION: Noncompaction cardiomyopathy is a rare phenotype of cardiomyopathy associated with severe cardiac arrhythmia and thromboembolic complications. CASE PRESENTATION: A 55-year-old woman presented with frank pulmonary edema and received a diagnosis of noncompaction cardiomyopathy. DISCUSSION: Left ventricular noncompaction cardiomyopathy is increasingly being diagnosed because of advances in imaging modalities. It is important to differentiate this new phenotype of cardiomyopathy from others because its diagnosis, management, and prognosis differ...
2017: Permanente Journal
https://www.readbyqxmd.com/read/29032583/third-generation-ventricular-assist-device-mid-term-outcomes-of-the-heartware-hvad-in-pediatric-patients
#12
Mustafa Pac, Sinan Sabit Kocabeyoglu, Umit Kervan, Dogan Emre Sert, Serhat Koca, Ibrahim Ece, Feyza Aysenur Pac
The HeartWare HVAD is a small, third generation continuous flow pump that is intracorporeally placed for support of a failing ventricle in adult patients. This device is small in size when compared to other left ventricular assist devices and can therefore be used in smaller sized pediatric patients. We present our initial experience using the HVAD as a bridge to heart transplantation in the pediatric population. We performed a retrospective, single center, nonrandomized review of 17 pediatric patients who underwent HVAD implantation between June 2013 and March 2016...
October 15, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28980384/noncompaction-cardiomyopathy-in-an-infant-with-walker-warburg-syndrome
#13
Sarah Abdullah, Cynthia Hawkins, Gregory Wilson, Grace Yoon, Luc Mertens, Melissa T Carter, Andrea Guerin
Walker-Warburg syndrome (WWS) is a rare autosomal recessive, congenital muscular dystrophy that is associated with brain and eye anomalies. Several genes encoding proteins involved in α-dystroglycan glycosylation have been implicated in the aetiology of WWS. We describe a patient with nonclassical features of WWS presenting with heart failure related to noncompaction cardiomyopathy resulting in death at 4 months of age. Muscle biopsy revealed absent α-dystroglycan on immunostaining and genetic testing confirmed the diagnosis with two previously described POMT2 mutations...
October 5, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28966588/ischemic-stroke-in-a-young-patient-heralding-a-left-ventricular-noncompaction-cardiomyopathy
#14
Fanny Lestienne, Chiara Bruno, David Bertora, Jeanne Benoit, Marie-Hélène Mahagne, Laurent Suissa
Strokes in young patients may be the clinical expression of many complex and extremely rare diseases. Uncommon causes constitute less than 5% of all strokes, but are present in 30% of strokes in young patients. We report the case of a young woman whose ischemic stroke led to the diagnosis of a rare embolic cardiomyopathy, left ventricular noncompaction cardiomyopathy, requiring a heart transplant.
May 2017: Case Reports in Neurology
https://www.readbyqxmd.com/read/28939283/histiocytoid-cardiomyopathy-and-ventricular-noncompaction-presenting-as-sudden-death-in-an-adult-male
#15
J Fernando Val-Bernal, Marta Mayorga, Clara Ortega, Emma Linares
Histiocytoid/oncocytic cardiomyopathy (HCM) is a rare, distinctive arrhythmogenic disorder that presents as arrhythmia or sudden death in infants and children. Ventricular noncompaction (VNC) is a rare cardiomyopathy characterized by a thickened endocardial layer of noncompacted myocardium and a thin epicardial layer of compacted myocardium. Only six cases of the association of both cardiomyopathies have been reported previously in the literature. All these cases were in children. To the best of our knowledge, a case of HCM has not been described in the adult...
September 7, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28917495/complications-associated-with-implantable-cardioverter-defibrillators-in-adults-with-congenital-heart-disease-or-left-ventricular-noncompaction-cardiomyopathy-from-the-ncdr%C3%A2-implantable-cardioverter-defibrillator-registry
#16
MULTICENTER STUDY
Marye J Gleva, Yongfei Wang, Jeptha P Curtis, Charles I Berul, Charles B Huddleston, Jeanne E Poole
Patients with childhood heart disease are living longer and entering adulthood, and may undergo implantable cardioverter-defibrillator (ICD) implantation to reduce the risk of sudden death. We evaluated the characteristics of adult patients with congenital heart disease or left ventricular noncompaction cardiomyopathy (LVNC) in the National Cardiovascular Disease Registry ICD Registry and determined ICD-related in-hospital complications. Patients with LVNC or transposition of the great arteries, tetralogy of Fallot, Ebstein's anomaly, atrial septal defect, ventricular septal defect, or common ventricle were identified in the registry...
November 15, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28912187/pediatric-cardiomyopathies
#17
REVIEW
Teresa M Lee, Daphne T Hsu, Paul Kantor, Jeffrey A Towbin, Stephanie M Ware, Steven D Colan, Wendy K Chung, John L Jefferies, Joseph W Rossano, Chesney D Castleberry, Linda J Addonizio, Ashwin K Lal, Jacqueline M Lamour, Erin M Miller, Philip T Thrush, Jason D Czachor, Hiedy Razoky, Ashley Hill, Steven E Lipshultz
Pediatric cardiomyopathies are rare diseases with an annual incidence of 1.1 to 1.5 per 100 000. Dilated and hypertrophic cardiomyopathies are the most common; restrictive, noncompaction, and mixed cardiomyopathies occur infrequently; and arrhythmogenic right ventricular cardiomyopathy is rare. Pediatric cardiomyopathies can result from coronary artery abnormalities, tachyarrhythmias, exposure to infection or toxins, or secondary to other underlying disorders. Increasingly, the importance of genetic mutations in the pathogenesis of isolated or syndromic pediatric cardiomyopathies is becoming apparent...
September 15, 2017: Circulation Research
https://www.readbyqxmd.com/read/28912186/cardiomyopathies-due-to-left-ventricular-noncompaction-mitochondrial-and-storage-diseases-and-inborn-errors-of-metabolism
#18
REVIEW
Jeffrey A Towbin, John Lynn Jefferies
The normal function of the human myocardium requires the proper generation and utilization of energy and relies on a series of complex metabolic processes to achieve this normal function. When metabolic processes fail to work properly or effectively, heart muscle dysfunction can occur with or without accompanying functional abnormalities of other organ systems, particularly skeletal muscle. These metabolic derangements can result in structural, functional, and infiltrative deficiencies of the heart muscle. Mitochondrial and enzyme defects predominate as disease-related etiologies...
September 15, 2017: Circulation Research
https://www.readbyqxmd.com/read/28912179/classification-epidemiology-and-global-burden-of-cardiomyopathies
#19
REVIEW
William J McKenna, Barry J Maron, Gaetano Thiene
In the past 25 years, major advances were achieved in the nosography of cardiomyopathies, influencing the definition and taxonomy of this important chapter of cardiovascular disease. Nearly, 50% of patients dying suddenly in childhood or adolescence or undergoing cardiac transplantation are affected by cardiomyopathies. Novel cardiomyopathies have been discovered (arrhythmogenic, restrictive, and noncompacted) and added to update the World Health Organization classification. Myocarditis has also been named inflammatory cardiomyopathy...
September 15, 2017: Circulation Research
https://www.readbyqxmd.com/read/28911804/case-report-left-ventricular-noncompaction-cardiomyopathy-and-rasopathies
#20
Juli Ann Sublett, Carlos Enrique Prada, John Lynn Jefferies
The following is a case report of 6 patients with Noonan syndrome (NS) and/or a related RASsopathy that also have evidence of left ventricular noncompaction cardiomyopathy (LVNC). Noonan syndrome,a type of RASopathy, is an autosomal dominant disorder that is typically associated with congenital heart defects and hypertrophic cardiomyopathy. There have been minimal reports of Noonan syndrome or other RASopathy and the association of LVNC. This report promulgates 6 nonrelated cases of Noonan syndrome or unspecified RASopathy and LVNC...
September 12, 2017: European Journal of Medical Genetics
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