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https://www.readbyqxmd.com/read/29156663/new-concepts-in-fulminant-myocarditis-and-risk-of-cardiac-mortality
#1
EDITORIAL
Enrico Ammirati, Manlio Cipriani, Paolo G Camici
No abstract text is available yet for this article.
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29154424/acute-fulminant-necrotizing-eosinophilic-myocarditis-early-diagnosis-and-treatment
#2
Paul David Callan, Aigul Baltabaeva, Mohammed Kamal, Joyce Wong, Rebecca Lane, Jan Lukas Robertus, Nicholas R Banner
Necrotizing eosinophilic myocarditis is a rare but potentially fatal condition that requires prompt recognition and treatment. We describe a case of a young athlete presenting with chest pain and breathlessness, with evidence of rapidly deteriorating cardiac function. The condition was successfully treated with corticosteroids, with no evidence of residual myocardial damage. This is the first reported case to demonstrate the utility of cardiac magnetic resonance imaging for diagnosis and monitoring response to treatment...
November 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/29153657/cardiac-magnetic-resonance-imaging-in-myocardial-inflammation-in-autoimmune-rheumatic-diseases-an-appraisal-of-the-diagnostic-strengths-and-limitations-of-the-lake-louise-criteria
#3
Sophie Mavrogeni, Juerg Schwitter, Albert van Rossum, Robin Nijveldt, Antony Aletras, Genovefa Kolovou, Gerald Pohost, Joao Lima
Myocardial inflammation in autoimmune rheumatic diseases (ARDs) is the endpoint of various pathophysiologic processes. The Lake Louise-criteria is the most popular approach for the diagnosis of myocarditis. However, due to the diversity of myocardial inflammation in ARDs, some issues should be acknowledged. Of the three Lake Louise indices, early and late gadolinium enhancement (EGE and LGE respectively) measurements may be affected by co-existing disease processes or be present due to a fibrotic ARD like systemic sclerosis, leaving T2-ratio as the only uniformly robust measurement across ARDs...
November 14, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/29151301/assessment-of-repolarization-abnormalities-in-baseline-electrocardiograms-of-patients-with-myocarditis
#4
Hacı Murat Güneş, Gamze Babur Güler, Ekrem Güler, Gültekin Günhan Demir, Mehmet Kamil Teber, Filiz Kızılırmak, Beytullah Çakal, Bilal Boztosun
Background/aim: Myocarditis in the acute phase usually presents with sinus tachycardia but many other arrhythmias might be seen as well. In this study we aimed to investigate repolarization abnormalities in baseline ECG of patients with myocarditis for the first time.Materials and methods: Thirty patients diagnosed with myocarditis and 25 healthy age-matched controls were included. Two different cardiologists measured corrected QT (QTc), QT dispersion (QTd), QT peak (QTp), T wave peak to T wave end (TpTe), TpTe/QT ratio, and TpTe/QTc ratio in 12-lead ECG...
November 13, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/29151030/occurrence-and-features-of-childhood-myocarditis-a-nationwide-study-in-finland
#5
Anita Arola, Essi Pikkarainen, Jussi Ot Sipilä, Jouni Pykäri, Päivi Rautava, Ville Kytö
BACKGROUND: Epidemiology of myocarditis in childhood is largely unknown. Men are known to have a higher incidence of myocarditis than women in adults aged <50 years, but whether this is true by sex in pediatric age groups is unknown. We set out to study the occurrence and potential sex differences of myocarditis in a general pediatric population. METHODS AND RESULTS: Data of all hospital admissions with myocarditis in Finland occurring in patients aged ≤15 years from 2004 to 2014 were collected from a mandatory nationwide registry...
November 18, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29146514/brucella-related-myocarditis
#6
Sebastian Wendt, Norman Lippmann, Jeanette Fahnert, Arne C Rodloff, Christoph Lübbert
No abstract text is available yet for this article.
November 13, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/29146416/fulminant-adrenergic-myocarditis-complicated-by-pulmonary-edema-cardiogenic-shock-and-cardiac-arrest
#7
Pawel Rostoff, Bohdan Nessler, Patrycja Pikul, Karolina Golinska-Grzybala, Tomasz Miszalski-Jamka, Jadwiga Nessler
Adrenergic myocarditis is an uncommon presentation of pheochromocytoma and extremely rare cause of de novo acute heart failure (AHF). We present a case of a 31-year-old Caucasian woman with a history of hypertension and recurrent occipital headaches who was admitted to the emergency department due to severe de novo AHF presenting as pulmonary edema and cardiogenic shock. During the hospital admission the patient experienced asystolic cardiac arrest and was successfully resuscitated, intubated, and mechanically ventilated...
November 10, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29141748/trypanosoma-cruzi-infection-induces-pannexin-1-channel-opening-in-cardiac-myocytes
#8
Iván Barría, Juan Güiza, Fredi Cifuentes, Pedro Zamorano, Juan C Sáez, Jorge González, José L Vega
Trypanosoma cruzi, the etiological agent of Chagas diseases, invades the cardiac tissue causing acute myocarditis and heart electrical disturbances. In T. cruzi invasion, the parasite induces [Ca(2+)]i transients in the host cells, an essential phenomenon for invasion. To date, knowledge on the mechanism that elicits transients of [Ca(2+)]i during the infection of cardiac myocytes has not been fully characterized. Pannexin1 (Panx1) channel are poorly selective channels found in all vertebrates that serve as a pathway for ATP release...
November 6, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29138234/mesalazine-induced-myopericarditis-in-a-patient-with-ulcerative-colitis
#9
Jalal Asadi, Sanjay S Bhandari, Nauman Ahmed
A 25-year-old male with a background of ulcerative colitis presented with a two-week history of central chest pain. His ECG on presentation showed global T wave inversion with a peak troponin I of 165 ng/ml. Clinical diagnosis of myopericarditis/myocarditis was made. Echocardiography and cardiac MR confirmed the diagnosis. On detailed assessment of his medication history, mesalazine was suspected as an aetiological factor, with discontinuation resulting in an improvement in symptoms, inflammatory markers and cardiac enzymes...
November 14, 2017: Echo Research and Practice
https://www.readbyqxmd.com/read/29136142/the-forkhead-transcription-factor-foxo3-negatively-regulates-natural-killer-cell-function-and-viral-clearance-in-myocarditis
#10
Madlen Loebel, Luise Holzhauser, Jelka A Hartwig, Praphulla C Shukla, Konstantinos Savvatis, Alexander Jenke, Martina Gast, Felicitas Escher, Sonya C Becker, Sandra Bauer, Andrea Stroux, Antje Beling, Meike Kespohl, Sandra Pinkert, Henry Fechner, Uwe Kuehl, Dirk Lassner, Wolfgang Poller, Heinz-Peter Schultheiss, Tanja Zeller, Stefan Blankenberg, Anna-Pia Papageorgiou, Stephane Heymans, Ulf Landmesser, Carmen Scheibenbogen, Carsten Skurk
Aims: Foxo3 is a transcription factor involved in cell metabolism, survival, and inflammatory disease. However, mechanistic insight in Foxo3 effects is still limited. Here, we investigated the role of Foxo3 on natural killer (NK) cell responses and its effects in viral myocarditis. Methods and results: Effects of Foxo3 on viral load and immune responses were investigated in a model of coxsackie virus B3 myocarditis in wild-type (WT) and Foxo3 deficient mice. Reduced immune cell infiltration, viral titres, and pro-inflammatory cytokines in cardiac tissue were observed in Foxo3-/- mice 7 days post-infection (p...
November 9, 2017: European Heart Journal
https://www.readbyqxmd.com/read/29131444/native-t1-reference-values-for-nonischemic-cardiomyopathies-and-populations-with-increased-cardiovascular-risk-a-systematic-review-and-meta-analysis
#11
REVIEW
Maaike van den Boomen, Riemer H J A Slart, Enzo V Hulleman, Rudi A J O Dierckx, Birgitta K Velthuis, Pim van der Harst, David E Sosnovik, Ronald J H Borra, Niek H J Prakken
BACKGROUND: Although cardiac MR and T1 mapping are increasingly used to diagnose diffuse fibrosis based cardiac diseases, studies reporting T1 values in healthy and diseased myocardium, particular in nonischemic cardiomyopathies (NICM) and populations with increased cardiovascular risk, seem contradictory. PURPOSE: To determine the range of native myocardial T1 value ranges in patients with NICM and populations with increased cardiovascular risk. STUDY TYPE: Systemic review and meta-analysis...
November 13, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/29128901/fgl2-knockdown-improves-heart-function-through-regulation-of-tlr9-signaling-in-the-experimental-autoimmune-myocarditis-rats
#12
Zhenzhong Zheng, Longhui Yu, Yujing Wu, Hao Wu
Fibrinogen-like protein 2 (FGL2) is an important immune regulator of both innate and adaptive response. It is present on the surface of macrophages and endothelial cells, and can be constitutively secreted by CD4(+)CD8(+) T cells. Previous studies showed that FGL2 is a potential target for the treatment of experimental autoimmune myocarditis. However, the molecular mechanism of the roles of FGL2 in experimental autoimmune myocarditis is poorly understood. Here, we silenced FGL2 gene by using FGL2-RNAi lentivirus to reveal the heart function in experimental autoimmune myocarditis rats...
November 11, 2017: Immunologic Research
https://www.readbyqxmd.com/read/29126352/fatal-myocarditis-and-rhabdomyolysis-induced-by-nivolumab-during-the-treatment-of-type-b3-thymoma
#13
Qiang Chen, Dang-Sheng Huang, Li-Wei Zhang, Yuan-Qing Li, Hong-Wei Wang, Hong-Bin Liu
Immune checkpoint inhibitors including programmed death-1 inhibitors are promising agents for many types of malignancies; however, it is still an off-label choice for type B3 thymoma. We reported for the first time a patient with type B3 thymoma developed fatal myocarditis and rhabdomyolysis after one dose of nivolumab administration. The results from myocardial and muscle biopsies revealed extensive myocyte damage, T-lymphocytic infiltration and strongly expression of PD-L1 which confirmed the nivolumab-related immune-related adverse events (irAEs)...
November 10, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/29124008/rare-complicated-parapneumonic-effusion-mycoplasma-pneumoniae-with-new-onset-lupus-flare-case-report-and-literature-review
#14
Bharat Bajantri, Shaik Danial, Richard Duncalf, Misbahuddin Khaja
Mycoplasma pneumoniae has been associated with respiratory tract infections. Mycoplasma pneumoniae pneumonia-related pleural effusion is rarely reported. Extra-pulmonary abnormalities such as encephalitis, myocarditis, glomerulonephritis, and myringitis have been reported. However pulmonary manifestations in systemic lupus erythematosus include pneumonitis, pleurisy, interstitial lung disease, and thromboembolic disease. We present the case of a 26-year-old male who came for evaluation of fever, cough, and shortness of breath with right-sided chest pain...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/29121733/pheochromocytoma-as-a-reversible-cause-of-cardiomyopathy-analysis-and-review-of-the-literature
#15
Rong Zhang, Deepashree Gupta, Stewart G Albert
CONTEXT: Pheochromocytoma and paraganglioma are rare neuroendocrine tumors which overproduce catecholamines and arise from the adrenal gland or extra-adrenal chromaffin cells of the sympathetic and parasympathetic ganglia (1). Excessive catecholamine-induced stimulation of cardiac myocytes leads to damage which manifests in several forms ranging from Takotsubo to dilated cardiomyopathy. Diagnosis of pheochromocytoma-related cardiomyopathies is often delayed due to the atypical presentation associated with many cases...
December 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/29120873/a-rare-case-of-isolated-atrial-myocarditis-causing-death-with-no-post-mortem-computed-tomography-scan-correlation
#16
Rexson Tse, Jack Garland, Kilak Kesha, Yvonne Triggs, Lucy Modahl, David Milne, Zhi Yap, Simon Stables
Acute myocarditis is a potentially fatal cardiac pathology that is thought to cause sudden death through arrhythmia and cardiac failure. Of the different subtypes, lymphocytic myocarditis is the most common form. The pathophysiology of myocarditis can be generally diffuse or focally involve the ventricles, but less frequently affects the atria. Although the clinical literature reports isolated atrial myocarditis as a cause of atrial fibrillation and enlargement, there is scant postmortem literature on the findings of this pathology...
November 9, 2017: American Journal of Forensic Medicine and Pathology
https://www.readbyqxmd.com/read/29113868/a-case-of-influenza-type-a-myocarditis-that-presents-with-st-elevation-mi-cardiogenic-shock-acute-renal-failure-and-rhabdomyolysis-and-with-rapid-recovery-after-treatment-with-oseltamivir-and-intra-aortic-balloon-pump-support
#17
Eleni Geladari, Vasilios Papademetriou, Hans Moore, David Lu
We present a 59-year-old black male with history of type-1 diabetes and alcohol abuse. Patient became critically ill after a 5-day period of burning throat discomfort. On arrival patient was lethargic, in cardiogenic shock with a blood pressure of 81/47mmHg. Immediate diagnoses included diabetic ketoacidosis, acute renal failure, and possible septic shock. He was intubated, resuscitated with intravenous fluids, maintained on three inotropic agents, and given empiric wide spectrum antibiotics. An ECG showed a new ST elevation MI and an echocardiogram showed severe LV dysfunction...
May 2, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/29111106/2017-comprehensive-update-of-the-canadian-cardiovascular-society-guidelines-for-the-management-of-heart-failure
#18
Justin A Ezekowitz, Eileen O'Meara, Michael A McDonald, Howard Abrams, Michael Chan, Anique Ducharme, Nadia Giannetti, Adam Grzeslo, Peter G Hamilton, George A Heckman, Jonathan G Howlett, Sheri L Koshman, Serge Lepage, Robert S McKelvie, Gordon W Moe, Miroslaw Rajda, Elizabeth Swiggum, Sean A Virani, Shelley Zieroth, Abdul Al-Hesayen, Alain Cohen-Solal, Michel D'Astous, Sabe De, Estrellita Estrella-Holder, Stephen Fremes, Lee Green, Haissam Haddad, Karen Harkness, Adrian F Hernandez, Simon Kouz, Marie-Hélène LeBlanc, Frederick A Masoudi, Heather J Ross, Andre Roussin, Bruce Sussex
Since the inception of the Canadian Cardiovascular Society heart failure (HF) guidelines in 2006, much has changed in the care for patients with HF. Over the past decade, the HF Guidelines Committee has published regular updates. However, because of the major changes that have occurred, the Guidelines Committee believes that a comprehensive reassessment of the HF management recommendations is presently needed, with a view to producing a full and complete set of updated guidelines. The primary and secondary Canadian Cardiovascular Society HF panel members as well as external experts have reviewed clinically relevant literature to provide guidance for the practicing clinician...
November 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/29109860/development-and-application-of-an-indirect-elisa-for-the-detection-of-antibodies-against-encephalomyocarditis-virus
#19
Li Zhang, Yan Qi, Li Luo, Jiguo Sun, Wanzhe Yuan
Encephalomyocarditis virus (EMCV) can cause acute myocarditis in young pigs or reproductive failure in sows. It has been recognized worldwide as a pathogen infecting many species and causes substantial economic losses. In the present study, an indirect ELISA was developed for the detection of antibodies to EMCV. The VP1 gene of EMCV was amplified by reverse transcription-quantitative polymerase chain reaction and expressed in Escherichia coli with 49.3 kDa under the condition of isopropyl-β-d-thiogalactoside...
November 2017: Biomedical Reports
https://www.readbyqxmd.com/read/29108785/semaphorin7a-aggravates-coxsackievirusb3-induced-viral-myocarditis-by-increasing-%C3%AE-1%C3%AE-1-integrin-macrophages-and-subsequent-enhanced-inflammatory-response
#20
Xuejie Wu, Yawen Meng, Chao Wang, Yan Yue, Chunsheng Dong, Sidong Xiong
Semaphorin7A (Sema7A) has been reported to play various roles in nerve axon growth, tumor suppression, and tissue remodeling, as well as regulation of intestinal inflammation diseases. Viral myocarditis (VMC) characterized by viral-myocardial-cell necrosis and inflammatory cell infiltration is a common clinical disease of the cardiovascular system. However, the role of Sema7A in coxsackievirus B3 (CVB3)-induced VMC has not been reported. In this study, we generated an acute VMC mouse model by CVB3 infection, and manipulated Sema7A expression by in vivo polyethyleneimine-mediated Sema7A down-regulation...
November 3, 2017: Journal of Molecular and Cellular Cardiology
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