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https://www.readbyqxmd.com/read/29323059/histological-and-morphometric-analysis-of-dilated-cardiomyopathy-with-special-reference-to-collagen-iv-expression
#1
Parul Jain, Sudheer Arava, Sandeep Seth, Sanjeev Lalwani, Ruma Ray
INTRODUCTION: Collagen distribution alterations are well known in dilated cardiomyopathy. There are also changes in microvasculature along with other histomorphorphological features. AIMS AND OBJECTIVES: To study the histomorphological features of DCM along with their quantitative correlation with LVEF. Alterations in collagen IV distribution pattern and microvasculature in DCM were also evaluated. MATERIALS AND METHODS: The present study includes 34 right ventricular endomyocardial biopsies, 7 explanted native hearts and 41 autopsy control hearts...
October 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/29315085/biopsy-confirmed-endothelial-cell-activation-in-patients-with-coronary-microvascular-dysfunction
#2
Hannes Lindemann, Ivana Petrovic, Stephan Hill, Anastasios Athanasiadis, Heiko Mahrholdt, Tim Schäufele, Karin Klingel, Udo Sechtem, Peter Ong
BACKGROUND: Patients with angina yet having unobstructed coronaries are found in ∼50% of cases undergoing invasive angiography. Coronary spasm and microvascular dysfunction can be responsible for the clinical presentation in ∼60% of cases. However, little is known about structural changes in the myocardium. The aim of this study was to describe findings in endomyocardial biopsies of symptomatic patients with unobstructed coronaries. PATIENTS AND METHODS: We retrospectively analyzed a cohort of 1416 consecutive patients who underwent endomyocardial biopsy sampling and coronary angiography between 2002 and 2016 for various clinical indications...
January 8, 2018: Coronary Artery Disease
https://www.readbyqxmd.com/read/29237044/comparison-of-molli-shmollli-and-sasha-in-discrimination-between-health-and-disease-and-relationship-with-histologically-derived-collagen-volume-fraction
#3
Nicholas Child, Gonca Suna, Darius Dabir, May-Lin Yap, Toby Rogers, Misha Kathirgamanathan, Eduardo Arroyo-Ucar, Rocio Hinojar, Islam Mahmoud, Christopher Young, Olaf Wendler, Manuel Mayr, Banher Sandhu, Geraint Morton, Marion Muhly-Reinholz, Stefanie Dimmeler, Eike Nagel, Valentina O Puntmann
Aims: To determine the bioequivalence of several T1 mapping sequences in myocardial characterization of diffuse myocardial fibrosis. Methods and results: We performed an intra-individual sequence comparison of three types of T1 mapping sequences [MOdified Look-Locker Inversion recovery (MOLLI), Shortened MOdified Look-Locker Inversion recovery ((sh)MOLLI), and SAturation recovery single-SHot Acquisition (SASHA)]. We employed two model diseases of diffuse interstitial fibrosis [patients with non-ischaemic dilated cardiomyopathy (NIDCM), n = 32] and aortic stenosis [(AS), n = 25)]...
December 11, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/29177016/-caterpillar-right-ventricle-unusual-manifestation-of-a-rare-disease
#4
Suneesh Kalliath, Gopalan Nair Rajesh
A 66-year-old man presented with abdominal distension and pedal oedema for the past 10 years. He had history of right heart failure on several occasions in the past, and one of these admissions prompted referral to a cardiac specialist. On examination, he had markedly elevated jugular venous pressure with prominent 'y-descent', a tricuspid regurgitation murmur, gross ascites and pedal oedema. A full blood count, routine biochemical screen and serum bicarbonate levels were normal. Right ventricular angiogram revealed a 'caterpillar'-like aneurysm of the right ventricle (RV) apex (figure 1 arrow) with a dilated right ventricular outflow tract and significant tricuspid regurgitation with a dilated right atrium (see online supplementary video 1)...
2017: Heart Asia
https://www.readbyqxmd.com/read/29173361/eosinophilic-myocarditis
#5
REVIEW
Christopher C Cheung, Maggie Constantine, Amir Ahmadi, Carolyn Shiau, Luke Y C Chen
Persistent eosinophilia can cause cardiac tissue damage, typically in the form of eosinophilic myocarditis, whether the underlying cause is reactive, a clonal myeloid disorder, or idiopathic hypereosinophilic syndrome (HES). Eosinophilic myocarditis ranges from mild localized disease to multifocal widespread infiltrates associated with myocardial necrosis, thrombotic complications and endomyocardial fibrosis. Systemic treatment varies widely depending on the underlying cause, so thorough investigation and precise diagnosis are essential...
November 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/29157297/smoldering-myocarditis-following-immune-checkpoint-blockade
#6
Timothy G Norwood, Brian C Westbrook, Douglas B Johnson, Silvio H Litovsky, Nina L Terry, Svetlana B McKee, Alan S Gertler, Javid J Moslehi, Robert M Conry
BACKGROUND: Severe myocarditis associated with electrical conduction abnormalities and occasionally heart failure has been well documented following treatment with immune checkpoint blockade with an estimated incidence of less than 1%. However, the incidence, early detection, and management of less severe immune-related myocarditis are unknown since most immunotherapy trials have not included routine cardiac monitoring. Herein, we provide the first description of subclinical or smoldering myocarditis with minimal signs and symptoms following immune checkpoint blockade with a single dose of ipilimumab and nivolumab...
November 21, 2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/29120858/prognostic-value-of-fibrosis-related-markers-in-dilated-cardiomyopathy-a-link-between-osteopontin-and-cardiovascular-events
#7
Paweł Rubiś, Sylwia Wiśniowska-Śmiałek, Ewa Dziewięcka, Lucyna Rudnicka-Sosin, Artur Kozanecki, Piotr Podolec
INTRODUCTION: Serum markers of fibrosis provide an insight into extracellular matrix (ECM) fibrosis in heart failure (HF) and dilated cardiomyopathy (DCM). However, their role as predictors of cardiovascular (CV) events in DCM is poorly understood. METHODS: This is an observational, prospective cohort study. 70 DCM patients (48±12.1years, ejection fraction - EF 24.4±7.4) were recruited. Markers of collagen type I and III synthesis - procollagen type I and III carboxy- and amino-terminal peptides (PICP, PIIICP, PINP, PIIINP), fibrosis controlling factors - ostepontin (OPN), transforming growth factor (TGF1-β) and connective tissue growth factor (CTGF), and matrix metalloproteinases (MMP-2, MMP-9) and tissue inhibitor (TIMP-1), were measured in serum...
November 6, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29066100/the-selvester-qrs-score-as-a-predictor-of-cardiac-events-in-nonischemic-dilated-cardiomyopathy
#8
Hiroaki Hiraiwa, Takahiro Okumura, Akinori Sawamura, Yuki Sugiura, Toru Kondo, Naoki Watanabe, Soichiro Aoki, Takeo Ichii, Katsuhide Kitagawa, Naoaki Kano, Kenji Fukaya, Kenji Furusawa, Ryota Morimoto, Kyosuke Takeshita, Yasuko K Bando, Toyoaki Murohara
BACKGROUND: Myocardial fibrosis is associated with poor prognosis in nonischemic dilated cardiomyopathy (NIDCM) patients. The Selvester QRS score on 12-lead electrocardiogram is associated with both the amount of myocardial scar and poor prognosis in myocardial infarction patients. However, its use in NIDCM patients is limited. We investigated the prognostic value of the QRS score and its association with collagen volume fraction (CVF) in NIDCM patients. METHODS: We enrolled 91 consecutive NIDCM patients (66 men, 53±13 years) without permanent pacemakers or cardiac resynchronization therapy devices...
October 20, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/29055602/late-graft-dysfunction-after-pediatric-heart-transplantation-is-associated-with-fibrosis-and-microvasculopathy-by-automated-digital-whole-slide-analysis
#9
Brian Feingold, Jennifer Picarsic, Andrew Lesniak, Benjamin A Popp, Michelle A Wood-Trageser, Anthony J Demetris
BACKGROUND: Histopathologic features of late graft dysfunction (LGD) in endomyocardial biopsies (EMBs) after pediatric heart transplantation (HT) have been incompletely described and rarely quantified. We employed automated, morphometric analysis of whole-slide EMB images to objectively quantify fibrosis and microvasculopathy after pediatric HT. METHODS: Nine recipients with clinical LGD were matched with controls on age, listing diagnosis, crossmatch and time since HT...
September 29, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/29043203/endomyocardial-fibrosis
#10
Paulo Sampaio Gutierrez, Fernando Peixoto Ferraz de Campos
No abstract text is available yet for this article.
July 2017: Autopsy & Case Reports
https://www.readbyqxmd.com/read/28977410/endomyocardial-fibrosis-in-a-context-of-peritonitis
#11
Alexandre Leger, Alexia Hennig, Jerome Peyrou, Hubert Cochet
No abstract text is available yet for this article.
November 1, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28947349/contribution-of-inflammatory-pathways-to-fabry-disease-pathogenesis
#12
REVIEW
Paula Rozenfeld, Sandro Feriozzi
Lysosomal storage diseases are usually considered to be pathologies in which the passive deposition of unwanted materials leads to functional changes in lysosomes. Lysosomal deposition of unmetabolized glycolipid substrates stimulates the activation of pathogenic cascades, including immunological processes, and particularly the activation of inflammation. In lysosomal storage diseases, the inflammatory response is continuously being activated because the stimulus cannot be eliminated. Consequently, inflammation becomes a chronic process...
September 13, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28912259/nod2-nucleotide-binding-oligomerization-domain-2-is-a-major-pathogenic-mediator-of-coxsackievirus-b3-induced-myocarditis
#13
Carsten Tschöpe, Irene Müller, Yu Xia, Konstantinos Savvatis, Kathleen Pappritz, Sandra Pinkert, Dirk Lassner, Markus M Heimesaat, Frank Spillmann, Kapka Miteva, Stefan Bereswill, Heinz-Peter Schultheiss, Henry Fechner, Burkert Pieske, Uwe Kühl, Sophie Van Linthout
BACKGROUND: The cytoplasmatic pattern recognition receptor, NOD2 (nucleotide-binding oligomerization domain 2), belongs to the innate immune system and is among others responsible for the recognition of single-stranded RNA. With Coxsackievirus B3 (CVB3) being a single-stranded RNA virus, and the recent evidence that the NOD2 target, NLRP3 (NOD-like receptor family, pyrin domain containing 3) is of importance in the pathogenesis of CVB3-induced myocarditis, we aimed to unravel the role of NOD2 in CVB3-induced myocarditis...
September 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28906536/endomyocardial-fibrosis-in-sudan-clinical-and-echocardiographic-features
#14
Siddiq Ibrahim Khalil, Suha Khalil, Salma El Tigani, Hanan A Saad
OBJECTIVE: Endomyocardial fibrosis (EMF) is a rare disease and is often an underdiagnosed and forgotten cardiomyopathy. The objective of this study was to document the current frequency of EMF in Sudan by defining and selecting cases from patients attending the echocardiography laboratory. Additionally we aimed to create an EMF registry for Sudan. METHODS: The study started in January 2007 and is on-going. All the patients attending our echocardiography clinics in four different hospitals in Khartoum, Sudan, were included...
July 2017: Cardiovascular Journal of Africa
https://www.readbyqxmd.com/read/28890659/loeffler-endocarditis-a-unique-presentation-of-right-sided-heart-failure-due-to-eosinophil-induced-endomyocardial-fibrosis
#15
Amit Alam, Shankar Thampi, Shahryar G Saba, Rita Jermyn
Loeffler endocarditis is a rare restrictive cardiomyopathy caused by abnormal endomyocardial infiltration of eosinophils, with subsequent tissue damage from degranulation, eventually leading to fibrosis. Although an uncommon entity, it is still a disease with significant morbidity and mortality. Often identified only at late stages, treatment options are limited once fibrosis occurs, usually requiring heart failure medications or surgical intervention. We present a unique case of a woman with remote history of hypereosinophilic syndrome, attributed to treatment of rheumatoid arthritis with infliximab, who presented with symptoms of heart failure refractory to medical management and was found to have Loeffler endocarditis...
2017: Clinical Medicine Insights. Case Reports
https://www.readbyqxmd.com/read/28884991/acute-cardiac-disease-in-a-patient-with-hyper-ige-syndrome
#16
A Castilano, H Watti, A Abdulbaki, K Modi, J A Bocchini, S L Bahna
We describe the case of a 24-year-old male with hyper-IgE syndrome (HIES) which was diagnosed at 4 years of age and died from a very rare cardiac complication. He had typical clinical and laboratory manifestations of HIES, including total serum IgE as high as > 100,000 IU/mL. Stem cell transplantation was not available. During the 20-year follow-up, he suffered numerous various infections of the skin and deep organs, partial lung resection, as well as multiple bone fractures. At age 24, he developed acute decompensated heart failure associated with elevated serum troponin I and brain natriuretic protein...
September 2017: European Annals of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28846127/l%C3%A3-ffler-endocarditis-and-endomyocardial-fibrosis
#17
Matthew J Flanigan, Michael R Velez, Emily A Ruden, Scott M Lilly
No abstract text is available yet for this article.
September 1, 2017: Journal of the American Osteopathic Association
https://www.readbyqxmd.com/read/28840590/right-ventricular-morphology-and-function-is-not-related-with-micrornas-and-fibrosis-markers-in-dilated-cardiomyopathy
#18
Paweł Rubiś, Justyna Totoń-Żurańska, Sylwia Wiśniowska-Śmiałek, Maria Kołton-Wróż, Paweł Wołkow, Ewa Wypasek, Lucyna Rudnicka-Sosin, Agnieszka Pawlak, Kozanecki Kozanecki, Lidia Tomkiewicz-Pająk, Piotr Podolec
BACKGROUND: The relationship between right ventricle (RV), extracellular matrix (ECM) fibrosis and fibrosis-linked, circulating microRNAs in dilated cardiomyopathy (DCM) is unknown. AIMS: To uncover the associations between serum markers of ECM metabolism and circulating microRNAs with RV morphological and functional parameters. METHODS: The study population consisted of 70 consecutive DCM patients (ejection fraction 24.4 ± 7.4%). Based on detailed echocardiographic assessment - 15 patients had normal RV, whereas 55 patients had RV dilatation (RVD) and/or systolic dysfunction (RVSD)...
August 25, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28838969/acquired-heart-disease-in-low-income-and-middle-income-countries
#19
REVIEW
Chris Curry, Liesl Zuhlke, Ana Mocumbi, Neil Kennedy
The burden of illness associated with acquired cardiac disease in children in low-income and middle-income countries (LMIC) is significant and may be equivalent to that of congenital heart disease. Rheumatic heart disease, endomyocardial fibrosis, cardiomyopathy (including HIV cardiomyopathy) and tuberculosis are the most important causes. All are associated with poverty with the neediest children having the least access to care. The associated mortality and morbidity is high. There is an urgent need to improve cardiac care in LMIC, particularly in sub-Saharan Africa and parts of Southeast Asia where the burden is highest...
January 2018: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/28818409/endomyocardial-fibrosis-a-rare-case-of-diastolic-heart-failure-in-a-european-caucasian-elderly-woman
#20
Luca Conte, Majlinda Fejzo, Andrea Rossi, Marco Zuin, Loris Roncon
No abstract text is available yet for this article.
July 27, 2017: Heart, Lung & Circulation
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