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https://www.readbyqxmd.com/read/28645472/bradycardia-syncope-and-left-ventricular-noncompaction-cardiomyopathy
#1
D Luke Glancy, Frederick R Helmcke, Allen P Hoang
A 55-year-old man with syncopal episodes was found to have sinus bradycardia at a rate of 37 beats/min, an episode of nonsustained ventricular tachycardia, and left ventricular noncompaction cardiomyopathy. After placement of a dual-chamber cardioverter defibrillator 4 years ago, he has had no further syncopal episodes, and there have been no defibrillator shocks.
May 30, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28643402/clinical-findings-in-right-ventricular-noncompaction-in-hypoplastic-left-heart-syndrome
#2
Monique M Gardner, Meryl S Cohen
BACKGROUND: Noncompaction is a poorly understood form of cardiomyopathy that typically affects the left ventricle and may be associated with congenital heart disease. Right ventricular noncompaction (RVNC) may occur when the left ventricle is affected but is rarely seen in isolation. RVNC may have clinical significance affecting surgical and long-term outcomes. We describe the diagnosis and clinical course in three patients at our institution. METHODS: We performed a retrospective review of patients diagnosed with RVNC over a 12-month period at our institution and reviewed their imaging and clinical course...
June 23, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/28616812/biventricular-noncompaction-cardiomyopathy-with-malignant-arrhythmia-as-a-cause-of-sudden-death
#3
Petr Handlos, Tomáš Gruszka, Marie Staňková, Klára Marecová, Marek Joukal
No abstract text is available yet for this article.
June 15, 2017: Forensic Science, Medicine, and Pathology
https://www.readbyqxmd.com/read/28605653/left-ventricle-remodeling-in-patients-with-%C3%AE-thalassemia-major-an-emerging-differential-diagnosis-with-left-ventricle-noncompaction-disease
#4
Elisabetta Chiodi, Marianna Nardozza, Maria Rita Gamberini, Alessia Pepe, Massimo Lombardi, Giorgio Benea, Donato Mele
To differentiate left ventricle non-compaction (LVNC) from hypertrabeculated myocardium due to LV remodeling in β-thalassemia major (β-TM) patients, cardiac magnetic resonance (CMR) images of 38 β-TM patients and 10 LVNC patients were compared using 3 diagnostic criteria: ratio of diastolic segmental non-compacted to compacted myocardium (NC/C ratio) >2.5, percentage of non-compacted LV mass (NC-LVM%) >20% and >25% of global LV mass. Specificity of NC/C ratio of >2.5 was the lowest (58%) and of NC-LVM% of >25% the highest (93%)...
May 17, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28595227/-aortic-valve-replacement-and-mitral-valve-plasty-in-a-patient-with-left-ventricular-noncompaction-associated-with-aortic-regurgitation-and-mitral-regurgitation-report-of-a-case
#5
Bun Nakamura, Toshiya Tokui, Yasumi Maze, Koji Hirano, Taro Fujii, Masahiro Inagaki, Ryosai Inoue
Left ventricular noncompaction (LVNC) is believed to represent an arrest in the normal process of myocardial compaction, resulting in persistence of both hyper-trabeculation and intra-trabecular recess within the left ventricle. The clinical features of this disease are left ventricular dilatation and systolic dysfunction, which carry a high mortality. Most patients die in infancy, but some cases of LVNC in adults have been reported. To the best of our knowledge, only 4 cases of LVNC with valvular heart disease in adults have recently been operated...
June 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28553057/abstract-generalized-vector-quasi-equilibrium-problems-in-noncompact-hadamard-manifolds
#6
Haishu Lu, Zhihua Wang
This paper deals with the abstract generalized vector quasi-equilibrium problem in noncompact Hadamard manifolds. We prove the existence of solutions to the abstract generalized vector quasi-equilibrium problem under suitable conditions and provide applications to an abstract vector quasi-equilibrium problem, a generalized scalar equilibrium problem, a scalar equilibrium problem, and a perturbed saddle point problem. Finally, as an application of the existence of solutions to the generalized scalar equilibrium problem, we obtain a weakly mixed variational inequality and two mixed variational inequalities...
2017: Journal of Inequalities and Applications
https://www.readbyqxmd.com/read/28545618/nosology-of-noncompaction-cardiomyopathy-the-emperor-still-wears-clothes
#7
EDITORIAL
Erwin Oechslin, Rolf Jenni
No abstract text is available yet for this article.
June 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28544142/discordant-phenotypes-in-monozygotic-twins-with-16p11-2-microdeletions-including-the-sh2b1-gene
#8
Lin Li, Linhuan Huang, Shaobin Lin, Yanmin Luo, Qun Fang
A 200∼240 kb SH2B1-containing deletion region on 16p11.2 is associated with early-onset obesity and developmental delay. Here, we describe monozygotic twin brothers with discordant clinical presentations. Intrauterine fetal growth restriction was present in both twins. Additionally, twin A exhibited coarctation of aorta, left ventricular noncompaction, atrial septal defect, pericardial effusion, left hydronephrosis, and moderate developmental delay, whereas twin B exhibited single umbilical artery. Chromosome microarray analysis was performed on both twins and their parents...
May 24, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28540366/recombination-in-perovskite-solar-cells-significance-of-grain-boundaries-interface-traps-and-defect-ions
#9
Tejas S Sherkar, Cristina Momblona, Lidón Gil-Escrig, Jorge Ávila, Michele Sessolo, Henk J Bolink, L Jan Anton Koster
Trap-assisted recombination, despite being lower as compared with traditional inorganic solar cells, is still the dominant recombination mechanism in perovskite solar cells (PSCs) and limits their efficiency. We investigate the attributes of the primary trap-assisted recombination channels (grain boundaries and interfaces) and their correlation to defect ions in PSCs. We achieve this by using a validated device model to fit the simulations to the experimental data of efficient vacuum-deposited p-i-n and n-i-p CH3NH3PbI3 solar cells, including the light intensity dependence of the open-circuit voltage and fill factor...
May 12, 2017: ACS Energy Letters
https://www.readbyqxmd.com/read/28528884/acute-myocarditis-versus-ventricular-noncompaction-cardiomyopathy-in-infancy-role-of-magnetic-resonance
#10
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/28522032/left-ventricular-noncompaction-associated-with-bicuspid-aortic-valve-and-aortic-coarctation
#11
Nestor A Parra-Ordoñez, Nydia Avila-Vanzzini, Nilda Espinola-Zavaleta
No abstract text is available yet for this article.
May 15, 2017: Archivos de Cardiología de México
https://www.readbyqxmd.com/read/28521630/isolated-ventricular-noncompaction-cardiomyopathy-presenting-as-fetal-hydrops-at-24-weeks-gestation
#12
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/28520539/left-ventricular-noncompaction-with-muscular-ventricular-septal-defect-in-mother-and-son
#13
Adam W Powell, Michael D Taylor, John L Jefferies
No abstract text is available yet for this article.
May 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/28488311/left-ventricular-noncompaction-cardiomyopathy-in-a-patient-with-trisomy-13-a-report-and-review-of-the-literature
#14
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
#15
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
#16
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/28469992/hyperthyroidism-and-noncompaction
#17
Josef Finsterer, Claudia Stöllberger
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
#18
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
#19
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/28400861/revision-of-echocardiographic-indications-and-findings-in-neurologically-ill-patients
#20
Claudia Stöllberger, Christian Wegner, Josef Finsterer
BACKGROUND AND OBJECTIVE: Little is known about the general indications for echocardiography and the prevalence of abnormalities detected by echocardiography in patients who are referred from a neurological department. Left ventricular hypertrabeculation/noncompaction (LVHT) is associated with neuromuscular disorders and embolism. The aim of the study was to assess the indications for echocardiography in patients from a neurological department and to review the cine-loops of the examinations in order to assess the frequency of abnormal echocardiographic findings with special regard to LVHT...
2017: Open Cardiovascular Medicine Journal
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