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Non-ischemic Dilated Cardiomyopathy

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https://www.readbyqxmd.com/read/29754460/prognostic-evaluation-of-the-elastic-properties-of-the-ascending-aorta-in-dilated-cardiomyopathy
#1
Edoardo Sciatti, Enrico Vizzardi, Ivano Bonadei, Davide Fabbricatore, Francesco Prati, Mattia Pagnoni, Marco Metra
BACKGROUND: Nowadays there is an increased interest in the role of aortic stiffness in the pathophysiology of heart failure (HF), since it is a major determinant of left ventricular (LV) performance. We aimed at assessing the predictive value of the aortic stiffness parameters, measured by echocardiography, in patients affected by non-ischemic dilated cardiomyopathy (DCM) regarding three end-points: death, HF rehospitalization, combined death or HF rehospitalization in a long-term follow-up...
May 13, 2018: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29664404/outcomes-in-patients-with-hypertrophic-cardiomyopathy-awaiting-heart-transplantation
#2
Julio Zuñiga Cisneros, Josef Stehlik, Craig H Selzman, Stavros G Drakos, Stephen H McKellar, Omar Wever-Pinzon
BACKGROUND: Current organ allocation policy and the rapid growth of mechanical support favor heart transplant (HT) candidates on left ventricular assist devices. HT candidates with hypertrophic cardiomyopathy (HCM) are usually not left ventricular assist device candidates and may have a disadvantage compared with dilated forms of cardiomyopathy. METHODS AND RESULTS: Adult HT candidates registered in the Scientific Registry of Transplant Recipients database between 1999 and 2016 were included...
March 2018: Circulation. Heart Failure
https://www.readbyqxmd.com/read/29560528/extracellular-volume-fraction-assessed-using-cardiovascular-magnetic-resonance-can-predict-improvement-in-left-ventricular-ejection-fraction-in-patients-with-dilated-cardiomyopathy
#3
Keisuke Inui, Kuniya Asai, Masaki Tachi, Aya Yoshinaga, Yuki Izumi, Yoshiaki Kubota, Koji Murai, Yayoi Tetsuou Tsukada, Yasuo Amano, Shinichiro Kumita, Wataru Shimizu
T1 mapping using cardiac magnetic resonance (CMR) is useful for myocardial assessment. However, its prognostic value is not well defined. The aim of this study was to determine whether T1 mapping with CMR can predict reverse cardiac remodeling in patients with non-ischemic dilated cardiomyopathy (NIDCM). We also investigated the predictive prognostic value of T1 mapping with CMR in these patients. We included 33 patients with NIDCM admitted to Nippon Medical School Hospital between February 2012 and October 2015...
March 20, 2018: Heart and Vessels
https://www.readbyqxmd.com/read/29550522/diagnostic-value-and-prognostic-implications-of-early-cardiac-magnetic-resonance-in-survivors-of-out-of-hospital-cardiac-arrest
#4
Alessandro Zorzi, Angela Susana, Manuel De Lazzari, Federico Migliore, Giovanni Vescovo, Daniele Scarpa, Anna Baritussio, Giuseppe Tarantini, Luisa Cacciavillani, Benedetta Giorgi, Cristina Basso, Sabino Iliceto, Chiara Bucciarelli Ducci, Domenico Corrado, Martina Perazzolo Marra
BACKGROUND: In patients who survived out-of-hospital cardiac arrest (OHCA) it is crucial to establish the underlying cause and its potential reversibility. OBJECTIVE: We assessed the incremental diagnostic and prognostic role of early cardiac magnetic resonance (CMR) in survivors of OHCA. METHODS: Among 139 consecutive OHCA patients, we enrolled 44 (median age 43 years; 84% males) patients who underwent coronary angiography and CMR ≤7 days after admission...
March 14, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29536321/assessment-of-remote-myocardium-heterogeneity-in-patients-with-ventricular-tachycardia-using-texture-analysis-of-late-iodine-enhancement-lie-cardiac-computed-tomography-cct-images
#5
Antonio Esposito, Anna Palmisano, Sofia Antunes, Caterina Colantoni, Paola Maria Vittoria Rancoita, Davide Vignale, Francesca Baratto, Paolo Della Bella, Alessandro Del Maschio, Francesco De Cobelli
PURPOSE: Diffuse remodeling of myocardial extra-cellular matrix is largely responsible for left ventricle (LV) dysfunction and arrhythmias. Our hypothesis is that the texture analysis of late iodine enhancement (LIE) cardiac computed tomography (cCT) images may improve characterization of the diffuse extra-cellular matrix changes. Our aim was to extract volumetric extracellular volume (ECV) and LIE texture features of non-scarred (remote) myocardium from cCT of patients with recurrent ventricular tachycardia (rVT), and to compare these radiomic features with LV-function, LV-remodeling, and underlying cardiac disease...
March 13, 2018: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/29498024/advanced-non-invasive-imaging-techniques-in-chronic-heart-failure-and-cardiomyopathies-focus-on-cardiac-magnetic-resonance-imaging-and-computed-tomographic
#6
Gianluca Di Bella, Fausto Pizzino, Rocco Donato, Dalia Di Nunzio, Cesare de Gregorio
Cardiomyopathies (Cs) are a heterogeneous group of myocardial diseases with structural and/or functional abnormalities.The aetiology is due to genetic-family substrate in most cases, however, the correct and detailed analysis of morphofunctional abnormalities (severity and distribution of hypertrophy, ventricular dilatation, ventricular dysfunction) and tissue characteristics (myocardial fibrosis, myocardial infiltration) are a crucial element for a definite diagnosis.Among the different diagnostic imaging modalities applied in clinical practice (echocardiography, nuclear medicine), cardiac magnetic resonance (CMR) has emerged as a non-invasive diagnostic tool having high ability to quantify systolic function and tissue abnormalities that represent the substrates of many Cs...
2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29495422/a-genome-wide-association-study-of-idiopathic-dilated-cardiomyopathy-in-african-americans
#7
Huichun Xu, Gerald W Dorn, Amol Shetty, Ankita Parihar, Tushar Dave, Shawn W Robinson, Stephen S Gottlieb, Mark P Donahue, Gordon F Tomaselli, William E Kraus, Braxton D Mitchell, Stephen B Liggett
Idiopathic dilated cardiomyopathy (IDC) is the most common form of non-ischemic chronic heart failure. Despite the higher prevalence of IDC in African Americans, the genetics of IDC have been relatively understudied in this ethnic group. We performed a genome-wide association study to identify susceptibility genes for IDC in African Americans recruited from five sites in the U.S. (662 unrelated cases and 1167 controls). The heritability of IDC was calculated to be 33% (95% confidence interval: 19-47%; p = 6...
February 26, 2018: Journal of Personalized Medicine
https://www.readbyqxmd.com/read/29430112/role-of-myocardial-perfusion-study-in-differentiating-ischemic-versus-nonischemic-cardiomyopathy-using-quantitative-parameters
#8
Preeti Singh, Bhairavi Bhatt, Shwetal U Pawar, Ashish Kamra, Suruchi Shetye, Mangala Ghorpade
Purpose: Ischemic cardiomyopathy (ICM) and non-ICM (NICM) causes of dilated cardiomyopathy with similar clinical presentation have different management and prognosis. This study employed myocardial perfusion imaging (MPI) to differentiate between the two using quantitative parameters in Indian population. Methods and Materials: Fifty patients prospectively underwent MPI and 18 F-fluorodeoxyglucose metabolism studies. P values (0.05 as significant) were calculated for the left ventricular ejection fraction (EF), end diastolic volume (EDV) at rest and stress, end systolic volume (ESV) at rest and stress, summed rest score (SRS), summed difference score (SDS), and eccentricity...
January 2018: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29425569/significant-impact-of-electrical-storm-on-mortality-in-patients-with-structural-heart-disease-and-an-implantable-cardiac-defibrillator
#9
Takashi Noda, Takashi Kurita, Takashi Nitta, Yasutaka Chiba, Hiroshi Furushima, Naoki Matsumoto, Takeshi Toyoshima, Akihiko Shimizu, Hideo Mitamura, Ken Okumura, Tohru Ohe, Yoshifusa Aizawa
BACKGROUND: Electrical storm (E-Storm), defined as multiple episodes of ventricular arrhythmias within a short period of time, is an important clinical problem in patients with an implantable cardiac defibrillator (ICD) including cardiac resynchronization therapy devices capable of defibrillation. The detailed clinical aspects of E-Storm in large populations especially for non-ischemic dilated cardiomyopathy (DCM), however, remain unclear. OBJECTIVE: This study was performed to elucidate the detailed clinical aspects of E-Storm, such as its predictors and prevalence among patients with structural heart disease including DCM...
March 15, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29380177/prophylactic-use-of-the-implantable-cardioverter-defibrillator-and-its-effect-on-the-long-term-survival-cardiovascular-and-sudden-cardiac-death-in-nonischemic-cardiomyopathy-patients-a-systematic-review-and-meta-analysis
#10
REVIEW
Waqas Javed Siddiqui, Sandeep Aggarwal, Muhammad Rafique, Swaiman Singh, Steven Kutalek, Howard J Eisen
Implantable cardioverter-defibrillator (ICD) has shown to reduce sudden cardiac death and overall mortality in patients with dilated cardiomyopathy. The recently published DANISH trial has shown conflicting outcomes on the long-term survival in patients with prophylactic implantation of ICD in Non-Ischemic Cardiomyopathy (NICM). Two independent reviewers searched MEDLINE, PUBMED, Ovid, CINAHL, clinicaltrials.gov , and Cochrane Registry for randomized control trials (RCT's) comparing ICD to medical treatment (MT)...
March 2018: Heart Failure Reviews
https://www.readbyqxmd.com/read/29375224/safety-and-efficacy-of-epicardial-ablation-of-ventricular-tachyarrhythmias-experience-from-a-tertiary-referral-center-in-taiwan
#11
Chin-Yu Lin, Fa-Po Chung, Yenn-Jiang Lin, Shih-Lin Chang, Li-Wei Lo, Yu-Feng Hu, Jo-Nan Liao, Ta-Chuan Tuan, Tze-Fan Chao, Yao-Ting Chang, Yun-Yu Chen, Abigail Louise D Te, Shinya Yamada, Shih-Ann Chen
Background: Epicardial catheter ablation has been shown to be an effective strategy for treating ventricular arrhythmias (VA). We investigated the efficacy and safety from a tertiary referral center in Taiwan. Methods: From 2010 to 2016, patients undergoing epicardial ablation for VAs were consecutively enrolled. The clinical characteristics, disease entity, electrophysiological studies, and ablation outcome were extracted for further analysis. Results: A total of 80 patients were eligible, including 34 patients for arrhythmogenic right ventricular cardiomyopathy (ARVC), 16 for Brugada syndrome (BrS), 13 for idiopathic VAs, 11 for idiopathic dilated cardiomyopathy (IDCM), 2 for ischemic cardiomyopathy, and 4 for other nonischemic cardiomyopathies (NICM)...
January 2018: Acta Cardiologica Sinica
https://www.readbyqxmd.com/read/29364552/troubleshooting-electromagnetic-interference-in-a-patient-with-centrifugal-flow-left-ventricular-assist-device-and-subcutaneous-implantable-cardioverter-defibrillator
#12
Asim S Ahmed, Parin J Patel, Shiv Bagga, Jasen L Gilge, Thomas Schleeter, Baqir A Lakhani, Ashwin K Ravichandran, Steve Donnelley, Venu Allavatam, Eric N Prystowsky, Benzy J Padanilam
A 25-year-old man with severe nonischemic dilated cardiomyopathy underwent subcutaneous implantable cardioverter defibrillator (S-ICD) implant and subsequently underwent HeartWare ventricular assist device (HVAD) placement. Postoperative interrogation revealed both primary and secondary S-ICD vectors inappropriately regarded sinus rhythm as "noise," and the alternate vector significantly undersensed sinus rhythm. The S-ICD was reinterrogated using high-resolution capture to visually confirm EMI with a dominant frequency in both the primary and secondary vectors of 46...
March 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29364390/anticoagulation-in-patients-with-cardiac-manifestations-of-chagas-disease-and-cardioembolic-ischemic-stroke
#13
Jean M C Monteiro, Daniel L San-Martin, Beatriz C G Silva, Pedro A P de Jesus, Jamary Oliveira Filho
To describe anticoagulation characteristics in patients with cardiac complications from Chagas disease and compare participants with and without cardioembolic ischemic stroke (CIS). A retrospective cohort of patients with Chagas disease, using anticoagulation, conducted from January 2011 to December 2014. Forty-two patients with Chagas disease who were using anticoagulation were studied (age 62.9±12.4 years), 59.5% female and 47.6% with previous CIS, 78.6% with non-valvular atrial fibrillation and 69.7% with dilated cardiomyopathy...
January 2018: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/29359515/bone-marrow-derived-mononuclear-cell-therapy-for-nonischaemic-dilated-cardiomyopathy-a-meta-analysis
#14
Yanting Wen, Jingjing Ding, Bin Zhang, Qian Gao
OBJECTIVE: The therapeutic effects of bone marrow-derived mononuclear cells (BMMNCs) transplantation in patients with nonischaemic dilated cardiomyopathy (DCM) are still under debate. Current randomized controlled trials (RCTs) reported conflicting results. The aim of this study was to assess the effects of BMMNCs transplantation on left ventricular ejection fraction (LVEF) in patients with nonischaemic DCM. METHODS: A comprehensive search of PubMed, EMBASE and Cochrane Controlled Trials Register was performed...
April 2018: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29353438/examination-of-pituitary-adenylate-cyclase-activating-polypeptide-pacap-as-a-potential-biomarker-in-heart-failure-patients
#15
Zsolt Sarszegi, Dora Szabo, Balazs Gaszner, Attila Konyi, Dora Reglodi, Jozsef Nemeth, Beata Lelesz, Beata Polgar, Adel Jungling, Andrea Tamas
Pituitary adenylate cyclase-activating polypeptide (PACAP) is a pleiotropic and multifunctional neuropeptide having neurotrophic, neuroprotective, and general cytoprotective actions in a variety of tissues based on its anti-apoptotic, anti-inflammatory, and antioxidant effects. Several studies have demonstrated its cardioprotective effects in vitro and in various animal models. However, few data are available on the presence of PACAP in human cardiac tissues and its role in the pathomechanism and progression of different cardiac disorders, particularly heart failure...
January 20, 2018: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/29323059/histological-and-morphometric-analysis-of-dilated-cardiomyopathy-with-special-reference-to-collagen-iv-expression
#16
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/29305677/coupling-interval-variability-of-premature-ventricular-contractions-in-patients-with-different-underlying-pathology-an-insight-into-the-arrhythmia-mechanism
#17
Lennart J de Vries, Mihran Martirosyan, Ron T van Domburg, Sip A Wijchers, Tamas Géczy, Tamas Szili-Torok
PURPOSE: Coupling interval (CI) variability of premature ventricular contractions (PVCs) is influenced by the underlying arrhythmia mechanism. The aim of this study was to compare CI variability of PVCs in different myocardial disease entities, in order to gain insight into their arrhythmia mechanism. METHODS: Sixty-four patients with four underlying pathologies were included: idiopathic (n = 16), non-ischemic dilated cardiomyopathy (NIDCM) (n = 16), familial cardiomyopathy (PLN/LMNA) (n = 16), and post-MI (n = 16)-associated PVCs...
January 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29187823/voluntary-exercise-improves-cardiac-function-and-prevents-cardiac-remodeling-in-a-mouse-model-of-dilated-cardiomyopathy
#18
Robin Deloux, Damien Vitiello, Nathalie Mougenot, Philippe Noirez, Zhenlin Li, Mathias Mericskay, Arnaud Ferry, Onnik Agbulut
Objective: Despite the indubitable beneficial effect of exercise to prevent of cardiovascular diseases, there is still a lack of studies investigating the impact of exercise in non-ischemic dilated cardiomyopathy. Here, we investigated the impact of voluntary exercise on cardiac function in a mouse model of non-ischemic dilated cardiomyopathy (αMHC-MerCreMer:Sf/Sf), induced by cardiac-specific inactivation of the Serum Response Factor. Materials and Methods: Seven days after tamoxifen injection, 20 αMHC-MerCreMer:Sf/Sf mice were assigned to sedentary ( n = 8) and exercise ( n = 12) groups...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29154888/activation-of-yap1-taz-signaling-in-ischemic-heart-disease-and-dilated-cardiomyopathy
#19
Ning Hou, Ying Wen, Xun Yuan, Haodong Xu, Xuejun Wang, Faqian Li, Bo Ye
Genetic manipulation of key components of the evolutionally conserved Hippo pathway has shown that the precise control of these signaling molecules is critical to cardiac development and response to stresses. However, how this pathway is involved in the progression of cardiac dysfunction in different heart diseases remains unclear. We investigated the expressional levels and subcellular localization of Yap1, Taz, and Tead1 and determined Hippo target gene expression in failing human hearts with ischemic heart disease (IHD) and idiopathic dilated cardiomyopathy (IDC) and mouse desmin-related cardiomyopathy (DES)...
December 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/29126782/feasibility-and-limitations-of-mitral-valve-repair-with-or-without-left-ventricular-reconstruction-in-non-ischemic-dilated-cardiomyopathy
#20
Yasushige Shingu, Tomonori Ooka, Hiroki Katoh, Tsuyoshi Tachibana, Suguru Kubota, Yoshiro Matsui
BACKGROUND: Although non-transplant surgical interventions for non-ischemic dilated cardiomyopathy (NIDCM) are relatively effective, their feasibility and limitations have not been fully elucidated. The aim of this study was to define the feasibility and limitations of mitral valve repair, with or without surgical ventricular reconstruction for patients with NIDCM in terms of postoperative low cardiac output syndrome (LOS). METHODS: Twenty non-transplant candidates (aged 57±13 years) with NIDCM and significant mitral regurgitation had undergone mitral valve repair combined with submitral procedures...
April 2018: Journal of Cardiology
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