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https://www.readbyqxmd.com/read/28814447/acute-myocarditis-secondary-to-cardiac-tuberculosis
#1
Alice Cowley, Laura Dobson, John Kurian, Christopher Saunderson
Isolated myocardial involvement in tuberculosis is exceedingly rare but there are reports it can present with sudden cardiac death, atrioventricular block, ventricular arrhythmias or congestive cardiac failure. We report the case of a 33 year-old male, of South Asian descent, who presented with chest pain, shortness of breath and an abnormal ECG. The patient had no significant past medical history and coronary angiogram showed no evidence of coronary artery disease. Of note the patient had recently been discharged from a local district hospital with an episode of myocarditis...
August 16, 2017: Echo Research and Practice
https://www.readbyqxmd.com/read/28813699/t1-and-t2-mapping-in-cardiology-mapping-the-obscure-object-of-desire
#2
Sophie Mavrogeni, Dimitris Apostolou, Panayiotis Argyriou, Stella Velitsista, Lilika Papa, Stelios Efentakis, Evangelos Vernardos, Mikela Kanoupaki, George Kanoupakis, Athanassios Manginas
The increasing use of cardiovascular magnetic resonance (CMR) is based on its capability to perform biventricular function assessment and tissue characterization without radiation and with high reproducibility. The use of late gadolinium enhancement (LGE) gave the potential of non-invasive biopsy for fibrosis quantification. However, LGE is unable to detect diffuse myocardial disease. Native T1 mapping and extracellular volume fraction (ECV) provide knowledge about pathologies affecting both the myocardium and interstitium that is otherwise difficult to identify...
August 17, 2017: Cardiology
https://www.readbyqxmd.com/read/28812526/parvovirus-infection-is-associated-with-myocarditis-and-myocardial-fibrosis-in-young-dogs
#3
Jordan Ford, Laura McEndaffer, Randall Renshaw, Alex Molesan, Kathleen Kelly
Perinatal parvoviral infection causes necrotizing myocarditis in puppies, which results in acute high mortality or progressive cardiac injury. While widespread vaccination has dramatically curtailed the epidemic of canine parvoviral myocarditis, we hypothesized that canine parvovirus 2 (CPV-2) myocardial infection is an underrecognized cause of myocarditis, cardiac damage, and/or repair by fibrosis in young dogs. In this retrospective study, DNA was extracted from formalin-fixed, paraffin-embedded tissues from 40 cases and 41 control dogs under 2 years of age from 2007 to 2015...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28808933/cardiovascular-disease-in-clozapine-treated-patients-evidence-mechanisms-and-management
#4
REVIEW
Kathlyn J Ronaldson
Myocarditis occurs in about 3% of those initiated on clozapine but monitoring reduces the risk of serious outcome. Cardiomyopathy may develop after myocarditis, or from prolonged tachycardia. Monitoring using echocardiography is not deemed cost effective. Tachycardia, orthostatic hypotension and reduced heart rate variability are a group of clozapine-related adverse effects associated with autonomic dysfunction and may have serious consequences in the long term. Elevated heart rate and poor heart rate variability can be treated with a β-blocker or a non-dihydropyridine calcium channel blocker, while orthostatic hypotension can be alleviated by increased fluid intake and abdominal binding, but may require pharmacological intervention...
August 14, 2017: CNS Drugs
https://www.readbyqxmd.com/read/28800592/cx3cr1-knockout-aggravates-coxsackievirus-b3-induced-myocarditis
#5
Irene Müller, Kathleen Pappritz, Konstantinos Savvatis, Kerstin Puhl, Fengquan Dong, Muhammad El-Shafeey, Nazha Hamdani, Isabell Hamann, Michel Noutsias, Carmen Infante-Duarte, Wolfgang A Linke, Sophie Van Linthout, Carsten Tschöpe
Studies on inflammatory disorders elucidated the pivotal role of the CX3CL1/CX3CR1 axis with respect to the pathophysiology and diseases progression. Coxsackievirus B3 (CVB3)-induced myocarditis is associated with severe cardiac inflammation, which may progress to heart failure. We therefore investigated the influence of CX3CR1 ablation in the model of acute myocarditis, which was induced by inoculation with 5x105 plaque forming units of CVB3 (Nancy strain) in either CX3CR1-/- or C57BL6/j (WT) mice. Seven days after infection, myocardial inflammation, remodeling, and titin expression and phosphorylation were examined by immunohistochemistry, real-time PCR and Pro-Q diamond stain...
2017: PloS One
https://www.readbyqxmd.com/read/28797313/intravenous-immunoglobulins-in-children-with-new-onset-dilated-cardiomyopathy
#6
Josephine F Heidendael, Suzanne L Den Boer, Joanne G Wildenbeest, Michiel Dalinghaus, Bart Straver, Dasja Pajkrt
BACKGROUND: Dilated cardiomyopathy is a rare but serious disorder in children. No effective diagnostic or treatment tools are readily available. This study aimed to evaluate the efficacy of intravenous immunoglobulins in children with new onset dilated cardiomyopathy. Methods and results In this retrospective cohort study, 94 children with new onset dilated cardiomyopathy were followed during a median period of 33 months. All patients with secondary dilated cardiomyopathy - for example, genetic, auto-immune or structural defects - had been excluded...
August 11, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28797029/successful-use-of-equine-anti-thymocyte-globulin-atgam-for-fulminant-myocarditis-secondary-to-nivolumab-therapy
#7
Rebecca Y Tay, Elizabeth Blackley, Catriona McLean, Maggie Moore, Peter Bergin, Sanjeev Gill, Andrew Haydon
BACKGROUND: Immune-mediated myocarditis is an uncommon adverse effect of immune checkpoint inhibition and is associated with a high rate of mortality. METHODS: In this reported case, a 64-year-old woman with right temporo-parietal glioblastoma IDH-WT was treated with nivolumab, temozolomide and radiation therapy on a clinical trial. She developed malignant arrhythmias secondary to histologically confirmed severe immune-mediated myocarditis. She was treated with equine anti-thymocyte globulin (ATGAM) due to development of malignant arrhythmias refractory to high-dose corticosteroids...
August 10, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28795995/toxic-myocarditis-caused-by-acetaminophen-in-a-multidrug-overdose
#8
Maxime Gosselin, Yann Dazé, Pascal Mireault, Marie Crahes
We report the case of an 18-year-old woman with personality disorders who was hospitalized a few hours after suicidal ingestion of acetaminophen, quetiapine, acetylsalicylic acid, and ethanol. Twelve hours after admission, severe liver damage was evident, but the patient was stable and awaiting hepatic transplantation. Electrolytes were successfully controlled. The condition of the liver stabilized. Cardiac biomarkers then deteriorated unexpectedly. Localized ST-segment elevations were noted on electrocardiogram, but angiography ruled out myocardial infarction...
August 9, 2017: American Journal of Forensic Medicine and Pathology
https://www.readbyqxmd.com/read/28791724/piscine-myocarditis-virus-detected-in-corkwing-wrasse-symphodus-melops-and-ballan-wrasse-labrus-bergylta
#9
F Scholz, N M Ruane, T Morrissey, M Marcos-López, S Mitchell, I O'Connor, L Mirimin, E MacCarthy, H D Rodger
No abstract text is available yet for this article.
August 9, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28789718/cardiovascular-pre-participation-screening-in-young-athletes-recommendations-of-the-association-of-european-paediatric-cardiology
#10
Peter Fritsch, Robert Dalla Pozza, Doris Ehringer-Schetitska, Eero Jokinen, Vesna Herceg, Erzsebet Hidvegi, Renate Oberhoffer, Andreas Petropoulos
Sudden death in young competitive athletes can be avoided by implementation of pre-participation screening programmes. A screening programme should be performed only by trained physicians and should include the athlete's personal and family history, physical examination results, and the readings from a 12-lead-electrocardiogram. The athlete should undergo this screening programme every second year to detect progressive diseases. In addition, the programme should include detailed instructions to the athletes to pause training during infections in order to prevent sudden death due to myocarditis...
August 9, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28782328/drug-induced-lupus-presenting-with-myocarditis
#11
Rathindranath Sarkar, Rudrajit Paul, Rajesh Pandey, Debaditya Roy, Tanmay Jyoti Sau, Avinash Mani, Aditya Vikram Ruia, Jayati Mondal
No abstract text is available yet for this article.
June 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28781852/electrical-storm-in-the-inflamed-heart-ventricular-tachycardia-due-to-myocarditis
#12
Gustav Mattsson, Peter Magnusson
Electrical storm during the acute inflammatory phase caused by myocarditis may be resistant to antiarrhythmic therapy. Cardiac imaging including magnetic resonance tomography, positron emission tomography, and endomyocardial biopsy are crucial to guide potential therapeutic options. Optimal management involves a multidisciplinary approach, including expertise beyond cardiology.
August 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28781324/treatment-of-fulminant-giant-cell-myocarditis-associated-with-polymyositis-using-a-left-ventricular-assist-device-and-subsequent-corticosteroid-and-immunosuppressive-therapy-leading-to-remission
#13
Junichi Ooka, Hidekazu Tanaka, Yutaka Hatani, Yukio Tsuji, Ryo Takeshige, Shumpei Mori, Kensuke Matsumoto, Shigeo Hara, Hiroshi Tanaka, Yutaka Okita, Ken-Ichi Hirata
A 58-year-old man with a recent history of generalized myalgia and muscle weakness was transferred to our hospital because of acute progressive dyspnea. The patient underwent left ventricular (LV) assist device (LVAD) implantation due to cardiogenic shock with a LV ejection fraction (LVEF) of 6%. The histological findings obtained from LV apex showed the infiltration of multinucleated giant cells and severe myocardial contusion. Combining this histological finding with our experienced neurologists comments, resulted in a final diagnosis of fulminant giant cell myocarditis associated with polymyositis...
August 1, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28780574/ferumoxytol-in-acute-myocarditis-keep-your-head-in-the-clouds-and-your-feet-on-the-earth
#14
EDITORIAL
Sophie I Mavrogeni, George Markousis-Mavrogenis, Genovefa Kolovou
No abstract text is available yet for this article.
August 5, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28776390/value-of-troponin-levels-in-the-diagnosis-of-cardiac-dysfunction-in-moderate-scorpion-envenomation
#15
O Chakroun-Walha, R Karray, M Jerbi, A Ben Rebeh, C Jammeli, M Bahloul, R Ammar, I Chabchoub, M Bouaziz, A Nasri, N Rekik
CONTEXT: Cardiac dysfunction is one of the most serious consequences of scorpion envenomation. The best tool to evaluate cardiac function is echocardiography, but it is not available at all emergency departments. Many studies aimed to describe biological predictive factors of cardiac dysfunction in scorpion envenomation. Troponin is one of these biomarkers but its correlation with myocarditis is not well established. The aim of this study was to evaluate correlation between troponin levels and cardiac dysfunction in moderate scorpion envenomation...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/28772045/translational-registry-for-cardiomyopathies-torch-rationale-and-first-results
#16
Claudia Seyler, Benjamin Meder, Tanja Weis, Thea Schwaneberg, Kerstin Weitmann, Wolfgang Hoffmann, Hugo A Katus, Andreas Dösch
AIMS: Non-ischemic cardiomyopathies (CMPs) comprise heart muscle disorders of different causes with high variability in disease phenotypes and clinical progression. The lack of national structures for the efficient recruitment, clinical and molecular classification, and follow-up of patients with non-ischemic CMPs limit the thorough analysis of disease mechanisms and the evaluation of novel diagnostic and therapeutic strategies. This paper describes a national, prospective, multicenter registry for patients with non-ischemic CMPs...
August 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/28772042/giant-cell-myocarditis-masquerading-as-orbital-myositis-with-a-rapid-fulminant-course-necessitating-mechanical-support-and-heart-transplantation
#17
Vinisha Garg, Weiyi Tan, Reza Ardehali, Janki Shah, Tracy Huynh, Olcay Aksoy
Giant cell myocarditis (GCM), a rapidly progressive inflammation of the myocardium, is associated with fulminant heart failure, refractory ventricular arrhythmias, and conduction system abnormalities. Few case reports have noted orbital myositis as the initial clinical presentation. Our case demonstrates a unique presentation of GCM with only ocular symptoms, which unlike prior studies, rapidly progressed to heart failure, tachyarrhythmias, and conduction disease. Our case necessitated quick recognition and treatment with mechanical support making this the first known case of GCM with successful placement of biventricular assist devices and ultimately with heart transplantation...
August 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/28772040/autoimmune-myocarditis-in-systemic-sclerosis-an-unusual-form-of-scleroderma-heart-disease-presentation
#18
Ana Rita Ramalho, Susana Costa, Francisco Silva, Paulo Donato, Fátima Franco, Guilherme Mariano Pêgo
Primary cardiac involvement in systemic sclerosis is common, often subclinical, and is associated with significant mortality. We report the case of a patient who developed autoimmune myocarditis at an early stage of systemic sclerosis, who completely recovered from cardiac dysfunction under optimal medical therapy for heart failure and immunosuppression. This challenging case aims at increasing awareness around the fact that the heart is a target organ of scleroderma disease. It also highlights the importance of screening and early diagnosis of cardiac involvement, because a timely treatment may impact the quality of life of these patients and improve their prognosis...
August 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/28770956/investigation-into-the-correlations-of-expressions-of-cav-3-and-smad3-with-pathogenesis-and-prognosis-of-viral-myocarditis
#19
Ch-L Jia, J Liu
OBJECTIVE: To investigate the correlations of expressions of Caveolae-3 (Cav-3) and sma and mad homologue (Smad3) with the pathogenesis and prognosis of viral myocarditis (VMC). MATERIALS AND METHODS: VMC animal models were prepared and divided into the control group, the virus group and the Shenmai group. We detected the levels of creatine kinase isoenzyme (CK-MB) in the serum that was associated with the myocardial injuries, investigated the pathological features of VMC in BALB/C mice via hematoxylin-eosin (HE) staining, measured the mRNA expressions of Cav-3 and Smad3 via Real-time polymerase chain reaction (RT-PCR) and determined the protein expressions of Cav-3 and Smad3 through Western blotting method...
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28767980/bone-marrow-cell-migration-to-the-heart-in-a-chimeric-mouse-model-of-acute-chagasic-disease
#20
Camila Iansen Irion, Bruno Diaz Paredes, Guilherme Visconde Brasil, Sandro Torrentes da Cunha, Luis Felipe Paula, Alysson Roncally Carvalho, Antonio Carlos Campos de Carvalho, Adriana Bastos Carvalho, Regina Coeli Dos Santos Goldenberg
BACKGROUND: Chagas disease is a public health problem caused by infection with the protozoan Trypanosoma cruzi. There is currently no effective therapy for Chagas disease. Although there is some evidence for the beneficial effect of bone marrow-derived cells in chagasic disease, the mechanisms underlying their effects in the heart are unknown. Reports have suggested that bone marrow cells are recruited to the chagasic heart; however, studies using chimeric mouse models of chagasic cardiomyopathy are rare...
August 2017: Memórias do Instituto Oswaldo Cruz
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