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https://www.readbyqxmd.com/read/28525971/left-ventricular-mural-thrombus-and-dual-coronary-embolization-associated-with-hyperthyroid-cardiomyopathy-and-atrial-fibrillation-a-case-report
#1
Guohui Liu, Ping Yang, Yuquan He
BACKGROUND: The majority of acute myocardial infarction (AMI) events are caused by thrombotic occlusion of the coronary artery, secondary to atherosclerotic plaque erosion or rupture. However, coronary embolism (CE), while rare, is being increasingly recognized as an important cause of AMI. We present the case of a patient with multi-site coronary artery embolization associated with hyperthyroid-related cardiomyopathy and atrial fibrillation. CASE PRESENTATION: A 49-year-old female with a history of hyperthyroidism and atrial fibrillation (AF) was admitted to our hospital presenting with right upper limb pain and swelling...
May 19, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28523323/discovery-of-a-new-mutation-in-the-desmin-gene-in-a-young-patient-with-cardiomyopathy-and-muscular-weakness
#2
Ruxandra Oana JurcuŢ, Alexandra Eugenia Bastian, Sebastian Militaru, Aura Popa, Emilia Manole, Bogdan Alexandru Popescu, Jonna Tallila, Bogdan Ovidiu Popescu, Carmen Doina Ginghină
A 25-year-old woman with a five years history of syncope, mild left ventricular hypertrophy and moderately enlarged atria, was diagnosed with third degree atrioventricular heart block alternating with atrioventricular heart block 2:1, and received a dual chamber pacemaker. After three years of evolution, she developed atrial fibrillation, marked biatrial enlargement, severely depressed longitudinal myocardial velocities, associated with mild girdle weakness and slight increase in creatine kinase level. The diagnosis of restrictive cardiomyopathy with mild skeletal myopathy imposed the screening for a common etiology...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28523319/amyloidosis-a-rare-cause-of-refractory-heart-failure-in-a-young-female
#3
Irina Iuliana Costache, Claudia Florida Costea, Mihai Danciu, Victor Vlad Costan, Viviana Aursulesei, Gabriela FlorenŢa Dumitrescu, Mihaela Dana Turliuc, Anca Sava
Cardiac amyloidosis may occur in any type of systemic amyloidosis. The clinical picture is often characterized by restrictive cardiomyopathy. We report the case of a 41-year-old female patient admitted to the Department of Cardiology with clinical signs of right heart failure: congested jugular veins, hepatomegaly, peripheral edema, ascites associated with atrial fibrillation, low values of arterial blood pressure and oliguria. Echocardiographic findings were helpful for the diagnosis of cardiac amyloidosis: enlarged atrial cavities, normal size ventricles, thickened ventricular septum and posterior left ventricle wall with normal left ventricular ejection fraction, mitral and tricuspid regurgitation...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28516795/a-comprehensive-guide-to-telocytes-and-their-great-potential-in-cardiovascular-system
#4
I Kucybala, P Janas, S Ciuk, W Cholopiak, W Klimek-Piotrowska, M K Holda
Telocytes, a recently discovered type of interstitial cells, have a very distinctive morphology - the small cell body with long extensions, named telopodes. In our review, apart from introducing general aspects of telocytes, we focus on properties, functions and future potential of those cells in cardiovascular system. However, physiological functions of telocytes in cardiovascular system are still regarded as quite enigmatic. Previous studies claim that they play a role in organogenesis and regeneration, bioelectrical signalling, mechanoelectrical coupling, anti-oxidative protection, angiogenesis and regulation of blood flow...
2017: Bratislavské Lekárske Listy
https://www.readbyqxmd.com/read/28510712/gender-issues-in-arrhythmias-from-atrial-fibrillation-to-crt-and-arrhythmogenic-ventricular-cardiomyopathy
#5
Thomas F Lüscher
No abstract text is available yet for this article.
May 14, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28510678/trends-and-patterns-of-geographic-variation-in-cardiovascular-mortality-among-us-counties-1980-2014
#6
Gregory A Roth, Laura Dwyer-Lindgren, Amelia Bertozzi-Villa, Rebecca W Stubbs, Chloe Morozoff, Mohsen Naghavi, Ali H Mokdad, Christopher J L Murray
Importance: In the United States, regional variation in cardiovascular mortality is well-known but county-level estimates for all major cardiovascular conditions have not been produced. Objective: To estimate age-standardized mortality rates from cardiovascular diseases by county. Design and Setting: Deidentified death records from the National Center for Health Statistics and population counts from the US Census Bureau, the National Center for Health Statistics, and the Human Mortality Database from 1980 through 2014 were used...
May 16, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28507082/association-between-diffuse-myocardial-fibrosis-and-diastolic-dysfunction-in-sickle-cell-anemia
#7
Omar Niss, Robert Fleck, Fowe Makue, Tarek Alsaied, Payal Desai, Jeffrey A Towbin, Punam Malik, Michael D Taylor, Charles T Quinn
Sickle cell anemia (SCA)-related cardiomyopathy is characterized by diastolic dysfunction and hyperdynamic features. Diastolic dysfunction portends early mortality in SCA. Diastolic dysfunction is associated with microscopic myocardial fibrosis in SCA mice, but the cause of diastolic dysfunction in humans with SCA is unknown. We used cardiac magnetic resonance (CMR) measurements of extracellular volume fraction (ECV) to discover and quantify diffuse myocardial fibrosis in 25 individuals with SCA (mean age 23±13 years), and determine the association between diffuse myocardial fibrosis and diastolic dysfunction...
May 15, 2017: Blood
https://www.readbyqxmd.com/read/28500252/transcriptome-profiling-reveals-novel-bmi-and-sex-specific-gene-expression-signature-for-human-cardiac-hypertrophy
#8
Mackenzie S Newman, Tina Nguyen, Michael J Watson, Robert Hull, Han-Gang Yu
BACKGROUND: How obesity or sex may affect the gene expression profiles of human cardiac hypertrophy is unknown. We hypothesized that body-mass index (BMI) and sex can affect gene expression profiles of cardiac hypertrophy. RESULTS: Human heart tissues were grouped according to sex (male, female), BMI (lean<25 kg/m(2), obese>30 kg/m(2)), or left ventricular hypertrophy (LVH) and non-LVH non-failed controls (NF). We identified 24 DE genes comparing female to male samples...
May 12, 2017: Physiological Genomics
https://www.readbyqxmd.com/read/28499672/association-of-elevated-pulmonary-artery-systolic-pressure-with-stroke-and-systemic-embolic-events-in-patients-with-hypertrophic-cardiomyopathy
#9
Keigo Kanbayashi, Yuichiro Minami, Shintaro Haruki, Ryozo Maeda, Ryosuke Itani, Kyomi Ashihara, Nobuhisa Hagiwara
BACKGROUND: Echocardiographically estimated pulmonary artery systolic pressure (PASP) is a non-invasive widely available method that is used to estimate pulmonary arterial pressure. Although elevated PASP predicts mortality in patients with hypertrophic cardiomyopathy (HCM), the relationship between PASP and embolic events is unclear. This study aimed to determine whether elevated PASP is associated with stroke and systemic embolic events in a tertiary referral HCM cohort. METHODS: This study included 374 clinically diagnosed patients with HCM...
May 5, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28496031/atrial-septostomy-for-left-atrial-decompression-during-extracorporeal-membrane-oxygenation-by-inoue-balloon-catheter
#10
Yen-Nien Lin, Yin-Huei Chen, Huang-Joe Wang, Jui-Sung Hung, Kuan-Cheng Chang, Ping-Han Lo
BACKGROUND: Refractory pulmonary edema is an infrequent but serious complication in patients receiving venoarterial extracorporeal membrane oxygenation (VA-ECMO) for myocardial failure. Left atrial (LA) decompression in this setting is important. Although a few methods have been reported, the experience is mostly limited to children. We aimed to evaluate the feasibility of Inoue balloon catheter in percutaneous trans-septal LA decompression in adult cardiogenic patients.Methods and Results:We retrospectively analyzed 16 procedures of trans-septal LA decompression by Inoue balloon catheter in 15 VA-ECMO patients (aged 22-65 years, 6 men) with refractory pulmonary edema from May 2012 to December 2014...
May 11, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28493373/the-novel-%C3%AE-b-crystallin-cryab-mutation-p-d109g-causes-restrictive-cardiomyopathy
#11
Andreas Brodehl, Anna Gaertner-Rommel, Bärbel Klauke, Simon Andre Grewe, Ilona Schirmer, Andreas Peterschröder, Lothar Faber, Matthias Vorgerd, Jan Gummert, Dario Anselmetti, Uwe Schulz, Lech Paluszkiewicz, Hendrik Milting
Restrictive cardiomyopathy (RCM) is a rare heart disease characterized by diastolic dysfunction and atrial enlargement. The genetic etiology of RCM is not completely known. We identified by a next-generation sequencing panel the novel CRYAB missense mutation c.326A>G, p.D109G in a small family with RCM in combination with skeletal myopathy with an early onset of the disease. CRYAB encodes αB-Crystallin, a member of the small heat shock protein family, which is highly expressed in cardiac and skeletal muscle...
May 11, 2017: Human Mutation
https://www.readbyqxmd.com/read/28485510/longstanding-persistent-accelerated-idioatrial-rhythm-benign-sinus-node-like-rhythm-or-insidious-rhythm
#12
Hailei Liu, Chao Zhu, Bing Yang, Weizhu Ju, Hongwu Chen, Fengxiang Zhang, Kai Gu, Mingfang Li, Pipin Kojodjojo, Minglong Chen
INTRODUCTION: Detailed description of longstanding persistent accelerated idioatrial rhythm (AIAR) is lacking. This observational study investigated the clinical manifestations, electrophysiological characteristics, diagnosis, treatment and prognosis of this unusual arrhythmia. METHODS AND RESULTS: Fifteen patients (11 males; average age 25.9±15.7 years) suspected with longstanding persistent AIAR were enrolled in our study. All patients had ECG, 24-hour Holter monitoring, isoproterenol provocation test, echocardiogram, and exercise treadmill test...
May 9, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28483207/usefulness-of-preoperative-transforming-growth-factor-beta-to-predict-new-onset-atrial-fibrillation-after-surgical-ventricular-septal-myectomy-in-patients-with-obstructive-hypertrophic-cardiomyopathy
#13
Ying Guo, Xi Wu, Xinxin Zheng, Jie Lu, Shuiyun Wang, Xiaohong Huang
Postoperative atrial fibrillation (AF) occurs frequently after cardiac surgery and contributes significantly to mortality. Transforming growth factor-beta (TGF-β) is associated with postoperative AF after coronary artery bypass grafting and valve surgery. We performed a prospective study to evaluate the role of TGF-β as a predictor of AF after myectomy. A total of 109 consecutive obstructive hypertrophic cardiomyopathy patients without previous AF who underwent myectomy were identified. We measured plasma TGF-β levels before surgery, monitored heart rhythm until discharge, and followed patients for a mean of 36 ± 10 months...
April 12, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28482693/risk-factors-for-sudden-cardiac-death-in-childhood-hypertrophic-cardiomyopathy-a-systematic-review-and-meta-analysis
#14
Gabrielle Norrish, Nicoletta Cantarutti, Eleni Pissaridou, Deborah A Ridout, Giuseppe Limongelli, Perry M Elliott, Juan Pablo Kaski
Aims To perform a systematic literature review and meta-analysis of clinical risk factors for sudden cardiac death (SCD) in childhood hypertrophic cardiomyopathy. Methods Medline and PubMed databases were searched for original articles published in English from 1963 through to December 2015 that included patients under 18 years of age with a primary or secondary end-point of either SCD or SCD-equivalent events (aborted cardiac arrest or appropriate implantable cardioverter-defibrillator discharge) or cardiovascular death (CVD)...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28465968/lower-body-weight-in-men-an-epidemiological-predictor-of-enlarged-left-atrium-in-sinus-rhythm-patients-with-dilated-heart
#15
Aurora Bakalli, Ljubica Georgievska-Ismail, Nebi Musliu, Dardan Koçinaj
BACKGROUND/AIMS: The source of thrombi in patients with dilated cardiomyopathy is not necessarily from the dilated left ventricle. Left atrium (LA) and left atrial appendage (LAA) might be in charge for relatively high rate of systemic embolizations in these patients. The main aim of our study was to identify epidemiological predictors in sinus rhythm patients with dilated heart for LA and LAA dilation and/or dysfunction. PATIENTS AND METHODS: This was a prospective cross-sectional study conducted from 2009 to 2014 in 101 sinus rhythm patients with dilated heart...
July 2016: Journal of Cardiovascular Echography
https://www.readbyqxmd.com/read/28464518/6q25-1-tab2-microdeletion-syndrome-congenital-heart-defects-and-cardiomyopathy
#16
Andrew Cheng, Mary Beth P Dinulos, Whitney Neufeld-Kaiser, Jill Rosenfeld, McKenna Kyriss, Suneeta Madan-Khetarpal, Hiba Risheg, Peter H Byers, Yajuan J Liu
Congenital heart defects (CHD) are the most frequent type of congenital anomaly and are often associated with genetic and chromosomal syndromes. Haploinsufficiency of TAB2 (TGF-beta activated kinase 1/MAP3K7 binding protein 2) has been proposed to cause valvular and cardiac outflow tract structural abnormalities. In this study, we describe 13 newly identified individuals with microdeletions of chromosome 6q25.1 that involve TAB2. One of the patients in our study cohort has the smallest deletion yet reported, affecting only TAB2...
May 2, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28458899/takotsubo-cardiomyopathy-in-amiodarone-induced-hyperthyroidism
#17
Ismael Capel, Elisabet Tasa-Vinyals, Albert Cano-Palomares, Irene Bergés-Raso, Lara Albert, Mercedes Rigla, Assumpta Caixàs
SUMMARY: Takotsubo cardiomyopathy (TC) is an atypical, severe but reversible form of acute heart insufficiency. It typically presents with left ventricular failure, transient apical and mid-segments hypokinesis, absence of significant coronary stenosis and new electrographic abnormalities and/or elevation in serum cardiac enzymes. Although TC ('broken heart syndrome') has classically been associated with emotional trauma, evidence suggests that other precipitants might exist, including iatrogenic and thyroid-mediated forms...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28457241/development-of-tachyarrhythmias-late-after-the-fontan-procedure-the-role-of-ablative-therapy
#18
REVIEW
Natasja M S de Groot, Ad J J C Bogers
Patients with a Fontan circulation are at a high risk of developing a variety of cardiac dysrhythmias after cardiac surgery. These dysrhythmias are most often supraventricular tachyarrhythmias (SVT), but ventricular tachyarrhythmias (VT) may also occur. Mechanisms underlying SVT are variable, including both ectopic activity and reentry. Over time, successive SVT may be caused by different mechanisms. The acute success rate of ablative therapy of atrial tachyarrhythmias is considerably high yet during long-term follow-up 'recurrences' frequently occur...
June 2017: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/28455297/enlarged-left-atrium-atrial-fibrillation-and-adverse-outcome-in-hypertrophic-cardiomyopathy-is-there-a-difference-between-apical-and-non-apical-phenotype
#19
EDITORIAL
Yuichiro Minami, Nobuhisa Hagiwara
No abstract text is available yet for this article.
April 28, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28453224/a-reappraisal-of-the-mechanisms-underlying-the-cardiac-complications-of-sickle-cell-anemia
#20
REVIEW
Parul Rai, Omar Niss, Punam Malik
Anemia, hemolysis-driven vasculopathy, and intrinsic myocardial injury have been proposed as predisposing factors to cardiac disease in sickle cell anemia (SCA). The individual impact of these mechanisms on the cardiac features of SCA and the way they influence complications such as sudden death and dysrhythmias have been unclear. Recent findings of an acquired restrictive SCA-related cardiomyopathy, driven by myocardial fibrosis, may explain some of these cardiac features. Given the complexity of cardiac pathology in SCA, using additional parameters to tricuspid regurgitant jet velocity (left atrial volume, diastolic parameters, NT-proBNP) may improve the accuracy of noninvasive screening for cardiopulmonary complications in SCA...
April 28, 2017: Pediatric Blood & Cancer
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