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Noncompaction cardiomyopathy

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https://www.readbyqxmd.com/read/28528884/acute-myocarditis-versus-ventricular-noncompaction-cardiomyopathy-in-infancy-role-of-magnetic-resonance
#1
Ferran Gran, María Martínez-Villar, Anna Sabaté-Rotés, Amparo Castellote, Ferran Rosés-Noguer, Dimpna C Albert
No abstract text is available yet for this article.
May 18, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28521630/isolated-ventricular-noncompaction-cardiomyopathy-presenting-as-fetal-hydrops-at-24-weeks-gestation
#2
Jane E Armes, Lisa Squires, Rohan Lourie, Mark Williams, Renee Gallagher, Gareth Price, Andrew Stubbs, Sigrid Ma Swagemakers, Peter J van der Spek, James Harraway, Joseph Thomas, Deon J Venter
Ventricular noncompaction cardiomyopathy is a rare form of congenital cardiomyopathy with increasing evidence of genetic etiology, especially when presenting in childhood. Fetal presentation is rare. We describe a case of fetal hydrops, presenting at 24 weeks gestation and leading to intrapartum death at 26 weeks gestation. Autopsy examination revealed characteristic features of left ventricular noncompaction. A genetic analysis identified a constellation of variants of unknown significance in MYH6, TNNC1, and MYBPC3, genes known to be important in sarcomeric function...
June 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28488311/left-ventricular-noncompaction-cardiomyopathy-in-a-patient-with-trisomy-13-a-report-and-review-of-the-literature
#3
Anri Hayashi, Tomohiro Kumada, Fumihito Nozaki, Ikuko Hiejima, Minoru Shibata, Takashi Kusunoki, Tatsuya Fujii
Left ventricular noncompaction cardiomyopathy (LVNC) is characterized by prominent trabecular meshwork, and it is thought to result from arrest of the normal compaction process during embryogenesis. Patients with LVNC may be asymptomatic or have symptoms ranging from heart failure to stroke, life-threatening arrhythmias, or sudden death. The frequency of LVNC in children has increased with longer clinical courses. About 80% of patients with trisomy 13 have a congenital cardiac abnormality, but a clinical description of LVNC with trisomy 13 is lacking because of its poor prognosis and lack of awareness about LVNC...
May 9, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28483032/advances-in-diagnosis-and-management-of-mitochondrial-cardiomyopathy
#4
Ruiqi Zhuge, Rong Zhou, Xinhai Ni
Mitochondrial cardiomyopathy (MCM) is a series of myocardial conditions characterized by abnormal heart-muscle structure,function,or both,secondary to genetic defects involving the mitochondrial respiratory chain,in the absence of concomitant coronary artery disease,hypertension,valvular disease,or congenital heart disease. MCM patients typically have hypertrophic or dilated cardiomyopathy. Arrhythmias and left ventricular myocardial noncompaction are less common,and heart failure may occur as the first symptom in some patients...
April 20, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/28469993/left-ventricular-noncompaction-cardiomyopathy
#5
Amer Hawatmeh, Habib Habib, Fayez Shamoon
No abstract text is available yet for this article.
April 2017: Avicenna Journal of Medicine
https://www.readbyqxmd.com/read/28458700/echocardiographic-characteristics-of-isolated-left-ventricular-noncompaction
#6
Afsoon Fazlinezhad, Mohammad Vojdanparast, Shadi Sarafan, Pouya Nezafati
BACKGROUND: Although isolated left ventricular noncompaction (ILVNC) has been described almost two decades ago, our knowledge about its diagnosis, presentation, echocardiographic features and clinical outcome is sparse. We aimed to assess the echocardiographic and clinical characteristics of ILVNC in a group of patients referred to our center. METHODS: Patients who were referred to a tertiary referral center, affiliated with Mashhad University of Medical Sciences, with primary diagnosis of dilated cardiomyopathy underwent comprehensive echocardiographic evaluation...
September 2016: ARYA Atherosclerosis
https://www.readbyqxmd.com/read/28424442/clinical-improvement-and-no-further-need-of-transplant-after-closure-of-pda-with-transcatheter-approach-in-an-end-stage-heart-failure-patient-with-hypertrabeculation
#7
Serhat Koca, Feyza Ayşenur Paç, Ajda Mutlu Mıhçıoğlu, Vedat Kavurt, Denizhan Bağrul
Although heart failure is managed medically most of the time, heart transplantation is still last resort for selected end-stage heart failure patients with noncompaction cardiomyopathy. Presently described for the first time is case of pediatric patient with noncompaction cardiomyopathy who was initially referred to our hospital for heart transplant but underwent PDA repair and improved clinically without need for heart transplant.
March 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28395867/key-questions-relating-to-left-ventricular-noncompaction-cardiomyopathy-is-the-emperor-still-wearing-any-clothes
#8
REVIEW
Robert H Anderson, Bjarke Jensen, Timothy J Mohun, Steffen E Petersen, Nay Aung, Filip Zemrak, R Nils Planken, David H MacIver
The evidence is increasing that left ventricular noncompaction cardiomyopathy as it is currently defined does not represent a failure of compaction of pre-existing trabecular myocardium found during embryonic development to form the compact component of the ventricular walls. Neither is there evidence of which we are aware to favour the notion that the entity is a return to a phenotype seen in cold-blooded animals. It is also known that when seen in adults, the presence of excessive ventricular trabeculations does not portend a poor prognosis when the ejection fraction is normal, with the risks of complications such as arrhythmia and stroke being rare in this setting...
February 1, 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28373784/left-ventricular-noncompaction-a-rare-form-of-cardiomyopathy-revelation-modes-and-predictors-of-mortality-in-adults-through-23-cases
#9
Iliyasse Asfalou, Sanae Boulaamayl, Maha Raissouni, Najat Mouine, Mohamed Sabry, Jamal Kheyi, Nawal Doghmi, Aatif Benyass
OBJECTIVES: To describe modes of clinical presentation and echocardiographic, angiographic, and rhythmic features, and prognostic characteristics of left ventricular noncompaction cardiomyopathy (LVNC) in North African adults, through one of the first series in Morocco. BACKGROUND: LVNC is a rare congenital disorder, described for the first time by Engberding in 1984. The suspected diagnosis in thromboembolic, hemodynamic, or rhythm events requires both echocardiography and cardiovascular magnetic resonance (CMR)...
April 2017: Journal of the Saudi Heart Association
https://www.readbyqxmd.com/read/28290856/-chronic-heart-failure-with-preserved-systolic-function-and-reversible-dilatation-of-cardiac-chambers
#10
O V Blagova, S V Volkov, A V Nedostup, A O Korobkov, I V Mostovoy, N G Sergushina, N V Gagarina, E A Mershina
Diagnosis of dilation (D) cardiomyopathy (CMP) requires exclusion not only of inflammatory and genetically determined forms but also of some rare diseases. This 51 year old patient with history of moderate arterial hypertension approached a cardiologist because of new onset atrial fibrillation and dyspnea. Echocardiography detected dilation of all cardiac chambers with relatively preserved ejection fraction, causing suspicion of DCMP. Among conditions excluded were coronary atherosclerosis, congenital heart defect with left to right shunt, primary pulmonary hypertension, pulmonary embolism, hypertensive heart, tachycardia induced CMP, arrhythmogenic right ventricular dysplasia, noncompaction myocardium...
June 2016: Kardiologiia
https://www.readbyqxmd.com/read/28183324/identification-of-taz-mutations-in-pediatric-patients-with-cardiomyopathy-by-targeted-next-generation-sequencing-in-a-chinese-cohort
#11
Jian Wang, Ying Guo, Meirong Huang, Zhen Zhang, Junxue Zhu, Tingliang Liu, Lin Shi, Fen Li, Huimin Huang, Lijun Fu
BACKGROUND: Barth syndrome (BTHS) is a rare X-linked recessive disease characterized by cardiomyopathy, neutropenia, skeletal myopathy and growth delay. Early diagnosis and appropriate treatment may improve the prognosis of this disease. The purpose of this study is to determine the role of targeted next-generation sequencing (NGS) in the early diagnosis of BTHS in children with cardiomyopathy. METHODS: During the period between 2012 and 2015, a gene panel-based NGS approach was used to search for potentially disease-causing genetic variants in all patients referred to our institution with a clinical diagnosis of primary cardiomyopathy...
February 10, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28158907/naturally-occurring-biventricular-noncompaction-in-an-adult-domestic-cat
#12
M D Kittleson, P R Fox, C Basso, G Thiene
A definitively diagnosed case of left ventricular noncompaction (LVNC) has not been previously reported in a non-human species. We describe a Maine Coon cross cat with echocardiographically and pathologically documented LVNC. The cat was from a research colony and was heterozygous for the cardiac myosin binding protein C mutation associated with hypertrophic cardiomyopathy (HCM) in Maine Coon cats (A31P). The cat had had echocardiographic examinations performed every 6 months until 6 years of age at which time the cat died of an unrelated cause...
March 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28131074/noncompaction-cardiomyopathy-in-hirschsprung-s-disease-a-case-report
#13
Silvia D Visonà, Gaetano Thiene, Savina Mannarino, Giulia Corana, Antonio Osculati, Annalisa Angelini, Stefania Rizzo
Noncompaction cardiomyopathy is a rare disorder, often associated with cardiac and noncardiac malformations. Hirschsprung's disease, a well-known aganglionosis, is associated with congenital heart diseases and has been reported to be due to impairment migration and differentiation of neural crest cells. Here, we present an 8-month-old male infant who died for cardiogenic shock after surgical resection of the involved bowel segment. The child was affected by both noncompaction cardiomyopathy and Hirschsprung's disease, two entities which can share a common neural crest-derived etiology...
March 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28108756/left-ventricular-noncompaction-cardiomyopathy-in-pediatric-patients-a-case-series-of-a-clinically-heterogeneous-disease
#14
Umang Gupta, Pooja Makhija
Left ventricular noncompaction is a rare form of cardiomyopathy, which results from multiple trabeculations in the left ventricular myocardium. The clinical presentation is highly variable, and spectrum includes asymptomatic patients diagnosed during family screening on one end to patients with depressed systolic function, heart failure, thromboembolic complications, and cardiac arrhythmias on the other (Kim et al in J Am Coll Cardiol 53: 2009, 2009). Further, the progression of the condition is highly variable...
April 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28079110/left-ventricular-noncompaction-cardiomyopathy-cardiac-neuromuscular-and-genetic-factors
#15
REVIEW
Josef Finsterer, Claudia Stöllberger, Jeffrey A Towbin
Left ventricular hypertrabeculation (LVHT) or noncompaction is a myocardial abnormality of unknown aetiology, frequently associated with monogenic disorders, particularly neuromuscular disorders, or with chromosomal defects. LVHT is diagnosed usually by echocardiography by the presence of a bilayered myocardium consisting of a thick, spongy, noncompacted endocardial layer and a thin, compacted, epicardial layer. The pathogenesis of LVHT is unsolved, and the diagnostic criteria, prognosis, and optimal treatment of patients with LVHT are under debate...
April 2017: Nature Reviews. Cardiology
https://www.readbyqxmd.com/read/28067668/adaptor-proteins-numb-and-numbl-promote-cell-cycle-withdrawal-by-targeting-erbb2-for-degradation
#16
Maretoshi Hirai, Yoh Arita, C Jane McGlade, Kuo-Fen Lee, Ju Chen, Sylvia M Evans
Failure of trabecular myocytes to undergo appropriate cell cycle withdrawal leads to ventricular noncompaction and heart failure. Signaling of growth factor receptor ERBB2 is critical for myocyte proliferation and trabeculation. However, the mechanisms underlying appropriate downregulation of trabecular ERBB2 signaling are little understood. Here, we have found that the endocytic adaptor proteins NUMB and NUMBL were required for downregulation of ERBB2 signaling in maturing trabeculae. Loss of NUMB and NUMBL resulted in a partial block of late endosome formation, resulting in sustained ERBB2 signaling and STAT5 activation...
February 1, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28058741/noncompaction-cardiomyopathy-the-role-of-advanced-multimodality-imaging-techniques-in-diagnosis-and-assessment
#17
REVIEW
Lakshmi H Chebrolu, Anjlee M Mehta, Navin C Nanda
Noncompaction cardiomyopathy (NCCM) is a unique cardiomyopathy with a diverse array of genotypic and phenotypic manifestations. Its hallmark morphology consists of a bilayered myocardium with a compact epicardial layer and prominent trabeculations that comprise the noncompacted endocardial layer. The controversial diagnostic criteria for NCCM have been frequently discussed in the literature. This review touches on those diagnostic criteria, delves further into the evolving use of advanced imaging techniques within the major imaging modalities (echocardiography, computed tomography, and cardiac magnetic resonance imaging), and proposes an alternative algorithm incorporating these techniques for aiding with the diagnosis of NCCM...
January 6, 2017: Echocardiography
https://www.readbyqxmd.com/read/28039183/spongious-ischemic-myocardium-dealing-with-morphological-criteria-of-noncompaction-cardiomyopathy
#18
Gonzalo Navarrete, Eduardo Pozo, Pablo Díez-Villanueva, María José Olivera, Paloma Caballero, Luis Jesús Jiménez-Borreguero, Fernando Alfonso
No abstract text is available yet for this article.
January 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/27989498/recent-advancements-in-the-molecular-genetics-of-left-ventricular-noncompaction-cardiomyopathy
#19
REVIEW
Xueqi Dong, Peng Fan, Tao Tian, Yankun Yang, Yan Xiao, Kunqi Yang, Yaxin Liu, Xianliang Zhou
Left ventricular noncompaction cardiomyopathy (LVNC) is a myocardial disorder characterized by prominent and excessive trabeculations with deep recesses in the ventricular wall. Clinical manifestations of LVNC are highly variable, ranging from no symptoms to arrhythmias, heart failure, thromboembolism, or even sudden cardiac death. It is a heterogenetic disease which can be presented as an autosomal, X-linked or mitochondrial disorder. A series of candidate mutations have been identified in LVNC patients or murine models...
February 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/27855806/long-term-prognostic-value-of-cardiac%C3%A2-magnetic-resonance-in-left%C3%A2-ventricle-noncompaction-a-prospective-multicenter-study
#20
Daniele Andreini, Gianluca Pontone, Jan Bogaert, Alberto Roghi, Andrea Barison, Juerg Schwitter, Saima Mushtaq, Georgios Vovas, Paola Sormani, Giovanni D Aquaro, Pierre Monney, Chiara Segurini, Marco Guglielmo, Edoardo Conte, Laura Fusini, Antonio Dello Russo, Massimo Lombardi, Paola Gripari, Andrea Baggiano, Cesare Fiorentini, Federico Lombardi, Antonio L Bartorelli, Mauro Pepi, Pier Giorgio Masci
BACKGROUND: Cardiac magnetic resonance (CMR) is useful for the diagnosis of left ventricular noncompaction (LVNC). However, there are limited data regarding its prognostic value. OBJECTIVES: The goal of this study was to evaluate the prognostic relevance of CMR findings in patients with LVNC. METHODS: A total of 113 patients with an echocardiographic diagnosis of LVNC underwent CMR at 5 referral centers. CMR diagnostic criterion of LVNC (noncompacted/compacted ratio >2...
November 15, 2016: Journal of the American College of Cardiology
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