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dilated cardiomyopathy,cardiomyopathy

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https://www.readbyqxmd.com/read/28225712/left-ventricular-function-and-exercise-performance-in-idiopathic-dilated-cardiomyopathy-role-of-tissue-doppler-imaging
#1
Elena Zambon, Annamaria Iorio, Concetta Di Nora, Cosimo Carriere, Elena Abate, Marco Merlo, Giulia Barbati, Andrea Di Lenarda, Bruno Pinamonti, Piergiuseppe Agostoni, Gianfranco Sinagra
BACKGROUND: To examine the relationship between left ventricular (LV) function evaluated at echocardiography and exercise performance in idiopathic dilated cardiomyopathy (IDCM) patients. METHODS AND RESULTS: We enrolled 76 consecutive IDCM patients in sinus rhythm, undergoing cardiopulmonary exercise testing and echocardiography [49 ± 13 years old; LV ejection fraction 31 ± 7%, LV end-diastolic volume 96 ± 31 ml/m; peak oxygen consumption (peak VO2/kg) 18 ± 5...
April 2017: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/28224436/patients-60-years-of-age-and-older-should-have-the-same-chance-for-heart-transplantation-or-not
#2
Mahmoud H Alshirbini, Fei Xie, Nian-Guo Dong, Si Chen, Eman Borham
Heart transplantation is considered the best treatment modality for advanced heart disease. While old age has conventionally been considered a contraindication for heart transplantation due to the reported adverse effect of advanced age, however donor hearts' shortage continues to stimulate the discussion about the recipient's upper age limit. Our study was based on a retrospective analysis for the results of 52 (18%) patients aged 60 years and older undergoing heart transplantation between May 2008 and December 2015, and these patients were compared with 236 (82%) adult recipients who were younger than 60 years at the time of transplantation and during the same period...
February 2017: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/28224037/tooth-extraction-in-a-patient-after-autologous-skeletal-myoblast-sheet-transplantation-for-severe-dilated-cardiomyopathy
#3
Kohei Okuyama, Yuki Sakamoto, Tomofumi Naruse, Souichi Yanamoto, Masahiro Umeda
The authors describe the first case of tooth extraction in a patient treated with autologous skeletal myocardial sheet transplantation for severe dilated cardiomyopathy. This condition is associated with significant morbidity and mortality that may have identifiable causes or may be idiopathic or inherited. In addition to local disinfection, antimicrobial prophylaxis and continuous anticoagulant therapy during the perioperative period of tooth extraction were needed to prevent infective endocarditis and ensure the success of regenerative therapy of the heart...
March 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28223477/znf307-zinc-finger-protein-307-acts-as-a-negative-regulator-of-pressure-overload-induced-cardiac-hypertrophy
#4
Chang-Jiang Yu, Chen Liang, Yu-Xia Li, Qing-Qing Hu, Wei-Wan Zheng, Na Niu, Xu Yang, Zi-Rui Wang, Xiao-Di Yu, Bao-Long Zhang, Bin-Lin Song, Zhi-Ren Zhang
Pathological cardiac hypertrophy is a key risk factor for heart failure. We found that the protein expression levels of the ZNF307 (zinc finger protein 307) were significantly increased in heart samples from both human patients with dilated cardiomyopathy and mice subjected to aortic banding. Therefore, we aimed to elucidate the role of ZNF307 in the development of cardiac hypertrophy and to explore the signal transduction events that mediate the effect of ZNF307 on cardiac hypertrophy, using cardiac-specific ZNF307 transgenic (ZNF307-TG) mice and ZNF307 global knockout (ZNF307-KO) mice...
February 21, 2017: Hypertension
https://www.readbyqxmd.com/read/28223222/disrupting-the-key-circadian-regulator-clock-leads-to-age-dependent-cardiovascular-disease
#5
Faisal J Alibhai, Jonathan LaMarre, Cristine J Reitz, Elena V Tsimakouridze, Jeffrey T Kroetsch, Steffen-Sebastian Bolz, Alex Shulman, Samantha Steinberg, Thomas P Burris, Gavin Y Oudit, Tami A Martino
The circadian mechanism underlies daily rhythms in cardiovascular physiology and rhythm disruption is a major risk factor for heart disease and worse outcomes. However, the role of circadian rhythms is generally clinically unappreciated. Clock is a core component of the circadian mechanism and here we examine the role of Clock as a vital determinant of cardiac physiology and pathophysiology in aging. Clock(Δ19/Δ19) mice develop age-dependent increases in heart weight, hypertrophy, dilation, impaired contractility, and reduced myogenic responsiveness...
February 18, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/28220942/crt-induced-ventricular-tachyarrhythmia-what-s-the-mechanism
#6
Sanoj Chacko, Enes Gul, Chris Simpson, Adrian Baranchuk
A 56-year-old woman with non-ischemic dilated cardiomyopathy and severe left ventricular systolic dysfunction received cardiac resynchronization defibrillator therapy (CRT-D; St Jude Medical Quadra Assura, CA, USA), for primary prevention and management of heart failure. This article is protected by copyright. All rights reserved.
February 21, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28220144/results-of-late-gadolinium-enhancement-in-children-affected-by-dilated-cardiomyopathy
#7
Giuseppe Muscogiuri, Paolo Ciliberti, Domenico Mastrodicasa, Marcello Chinali, Gabriele Rinelli, Teresa Pia Santangelo, Carmela Napolitano, Benedetta Leonardi, Aurelio Secinaro
BACKGROUND: Little is known about the clinical value of late gadolinium enhancement (LGE), in children affected by dilated cardiomyopathy (DCM). MATERIALS AND METHODS: We retrospectively evaluated 15 patients (8 ± 6 years, 6 males) with diagnosis of DCM who underwent cardiac magnetic resonance since 2014. All scans were performed with a 1.5 T system (Aera, Siemens). Study protocol included cine steady-state free precession sequences, followed by administration of 0...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28217949/clinical-impact-of-the-presence-of-macrophages-in-endomyocardial-biopsies-of-patients-with-dilated-cardiomyopathy
#8
Takafumi Nakayama, Yasuo Sugano, Tetsuro Yokokawa, Toshiyuki Nagai, Taka-Aki Matsuyama, Keiko Ohta-Ogo, Yoshihiko Ikeda, Hatsue Ishibashi-Ueda, Takeshi Nakatani, Nobuyuki Ohte, Satoshi Yasuda, Toshihisa Anzai
BACKGROUND: Dilated cardiomyopathy (DCM) is the most common cardiomyopathy and causes left ventricular enlargement and contractile dysfunction, with a poor prognosis. The mechanisms underlying the disease process have not been precisely identified, but recent evidence has suggested that the activation of myocardial inflammation is involved in the deterioration associated with the condition. METHODS AND RESULTS: Biopsy samples from 182 consecutive DCM patients were immunohistochemically stained with antibodies specific to CD3 (T lymphocytes), CD68 (whole macrophages), and CD163 (M2 macrophages), and each type of infiltrating cell was counted...
February 20, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28213903/specifics-of-fetuin-a-levels-in-distinct-types-of-chronic-heart-failure
#9
Michael Lichtenauer, Bernhard Wernly, Vera Paar, Ilonka Rohm, Christian Jung, Atilla Yilmaz, Uta C Hoppe, Paul Christian Schulze, Daniel Kretzschmar, Rudin Pistulli
INTRODUCTION: Fetuin-A has been described to correlate inversely with vascular calcification both in animal models but also in patients with heart and renal disease. In this current study, we sought to investigate whether fetuin-A might be a useful marker for the discrimination of ischemic (ICM) from dilated cardiomyopathy (DCM). METHODS: A total of 124 non-consecutive patients were included in this study, 59 patients suffered from ICM and 65 patients from DCM. Serum samples were obtained during out-patient visits and analyzed for fetuin-A by ELISA...
February 18, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28213711/implantable-cardioverter-defibrillators-for-primary-prevention-in-dilated-cardiomyopathy-post-danish-an-updated-meta-analysis-and-systematic-review-of-randomized-controlled-trials
#10
Georg Wolff, Yingfeng Lin, Athanasios Karathanos, Maximilian Brockmeyer, Susanne Wolters, Bernd Nowak, Alexander Fürnkranz, Hisaki Makimoto, Malte Kelm, Volker Schulze
BACKGROUND: Sudden cardiac death (SCD) is frequent in patients with heart failure due to dilated cardiomyopathy (DCM). Implantable cardioverter/defibrillator (ICD) device therapy is currently used for primary prevention. However, publication of the DANISH trial has recently given reason for doubt, showing no significant improvement in all-cause mortality in comparison to contemporary medical therapy. METHODS: We performed a meta-analysis of all randomized controlled trials comparing ICD therapy to medical therapy (MT) for primary prevention in DCM...
February 17, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/28212578/interleukin-1%C3%AE-levels-predict-long-term-mortality-and-need-for-heart-transplantation-in-ambulatory-patients-affected-by-idiopathic-dilated-cardiomyopathy
#11
Aneta Aleksova, Antonio Paolo Beltrami, Cosimo Carriere, Giulia Barbati, Pierluigi Lesizza, Martina Perrieri-Montanino, Miriam Isola, Piero Gentile, Elisabetta Salvioni, Tarcisio Not, Piergiuseppe Agostoni, Gianfranco Sinagra
AIMS: The prognostic stratification of patients with Idiopathic Dilated Cardiomyopathy (iDCM) is a difficult task. Here, we assessed the additive value of the evaluation of biomarkers of inflammasome activation and systemic inflammation for the long-term risk stratification of iDCM patients. METHODS AND RESULTS: We studied 156 ambulatory iDCM patients (mean age 58 years, 77% men, 79% in NYHA class 1-2, median Left Ventricular Ejection Fraction (LVEF) 35%, mean sodium 139 mEq/L, median BNP 189 pg/mL, median IL-1 beta (IL-1β) 1...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28211974/whole-exome-sequencing-identified-1-base-pair-novel-deletion-in-bcl2-associated-athanogene-3-bag3-gene-associated-with-severe-dilated-cardiomyopathy-dcm-requiring-heart-transplant-in-multiple-family-members
#12
Muhammad Arshad Rafiq, Ayeshah Chaudhry, Melanie Care, Danna A Spears, Chantal F Morel, Robert M Hamilton
Dilated cardiomyopathy (DCM) is characterized by dilation and impaired contraction of the left ventricle or both ventricles. Among hereditary DCM, the genetic causes are heterogeneous, and include mutations encoding cytoskeletal, nucleoskeletal, mitochondrial, and calcium-handling proteins. We report three severely affected males, in a four-generation pedigree, with DCM phenotype who underwent cardiac transplant. Cardiomegaly with marked biventricular dilation and fibrosis were noticeable histopathological findings...
March 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28209222/roles-of-angiotensin-peptides-and-recombinant-human-ace2-in-heart-failure
#13
Ratnadeep Basu, Marko Poglitsch, Haran Yogasundaram, Jissy Thomas, Brian H Rowe, Gavin Y Oudit
BACKGROUND: The renin-angiotensin system (RAS) is activated in heart failure (HF) and inhibition of RAS is a mainstay therapy for HF. Angiotensin-converting enzyme 2 (ACE2) and its product, angiotensin 1-7 (Ang-[1-7]), are important negative regulators of the RAS. OBJECTIVES: A comprehensive examination of angiotensin peptide levels and therapeutic effects of recombinant human ACE2 (rhACE2) on peptide metabolism was evaluated in human plasma and explanted heart tissue from patients with HF...
February 21, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28207945/cd4-cd25-garp-tregs-display-a-compromised-suppressive-function-in-patients-with-dilated-cardiomyopathy
#14
Yuzhen Wei, Kunwu Yu, Hui Wei, Xin Su, Ruirui Zhu, Huairui Shi, Haitao Sun, Quan Luo, Wenbin Xu, Junhui Xiao, Yucheng Zhong, Qiutang Zeng
Dilated cardiomyopathy (DCM) is a lethal inflammatory heart disease and closely connected with dysfunction of the immune system. Glycoprotein -A repetitions predominant (GARP) expressed on activated CD4(+) T cells with suppressive activity has been established. This study aimed to investigate the frequency and function of circulating CD4(+) CD25(+) GARP(+) regulatory T cells (Tregs) in DCM. 45 DCM patients and 46 controls were enrolled in this study. There was a significant increase in peripheral Th1 and Th17 number and their related cytokines (IFN-γ, IL-17), and an obvious decrease in Treg number, TGF-β1 levels and the expression of FOXP3 and GARP in patients with DCM as compared with controls...
February 16, 2017: Immunology
https://www.readbyqxmd.com/read/28202901/stem-cells-allogenic-mesenchymal-stem-cells-for-dilated-cardiomyopathy
#15
Karina Huynh
No abstract text is available yet for this article.
February 16, 2017: Nature Reviews. Cardiology
https://www.readbyqxmd.com/read/28198522/cardiovascular-drug-utilization-post-implant-is-related-to-clinical-outcome-in-heart-failure-patients-receiving-cardiac-resynchronization-therapy
#16
Zoltan Bakos, Christian Reitan, Anna Werther-Evaldsson, Anders Roijer, Pyotr PLatonov, Rasmus Borgquist
BACKGROUND: In select patients with heart failure, cardiac resynchronization therapy (CRT) is the most common complementary treatment besides medical treatment. We aimed to assess the association between post CRT-implant changes in cardiovascular medication and cardiovascular mortality and heart failure hospitalization. METHODS: 211 patients on optimal medical therapy eligible for CRT were retrospectively included in this study (72 ± 7 years, 80% male, 66% left bundle branch block [LBBB], 48% dilated cardiomyopathy [DCMP]) and investigated at baseline and after 6 months ...
February 15, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28197282/fragmented-qrs-as-a-marker-of-electrical-dyssynchrony-to-predict-inter-ventricular-conduction-defect-by-subsequent-echocardiographic-assessment-in-symptomatic-patients-of-non-ischemic-dilated-cardiomyopathy
#17
Santosh Kumar Sinha, Kush Bhagat, Mohammad Asif, Karandeep Singh, Mohit Sachan, Vikas Mishra, Nasar Afdaali, Mukesh Jitendra Jha, Ashutosh Kumar, Shravan Singh, Rupesh Sinha, Dibbendhu Khanra, Ramesh Thakur, Chandra Mohan Varma, Vinay Krishna, Umeshwar Pandey
BACKGROUND: Left ventricular (LV) dyssynchrony frequently occurs in patients with heart failure (HF). QRS ≥ 120 ms is a surrogate marker of electrical dyssynchrony, which occurs in only 30% of HF patients. In contrary, in those with normal QRS (nQRS) duration, LV dyssynchrony has been reported in 20-50%. This study was carried out to investigate the role of fragmented QRS (fQRS) on the surface electrocardiography (ECG) as a marker of electrical dyssynchrony to predict the presence of significant intraventricular dyssynchrony (IVD) by subsequent echocardiographic assessment...
August 2016: Cardiology Research
https://www.readbyqxmd.com/read/28194345/transaxillary-subpectoral-placement-of-cardiac-implantable-electronic-devices-in-young-female-patients
#18
Joo Hyun Oh, Chae Min Kim, Seung Yong Song, Jae Sun Uhm, Dae Hyun Lew, Dong Won Lee
BACKGROUND: The current indications of cardiac implantable electronic devices (CIEDs) have expanded to include young patients with serious cardiac risk factors, but CIED placement has the disadvantage of involving unsightly scarring and bulging of the chest wall. A collaborative team of cardiologists and plastic surgeons developed a technique for the subpectoral placement of CIEDs in young female patients via a transaxillary approach. METHODS: From July 2012 to December 2015, subpectoral CIED placement via an axillary incision was performed in 10 young female patients, with a mean age of 25...
January 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/28193717/differences-in-presentation-and-outcomes-between-children-with-familial-dilated-cardiomyopathy-and-children-with-idiopathic-dilated-cardiomyopathy-a-report-from-the-pediatric-cardiomyopathy-registry-study-group
#19
Paolo Rusconi, James D Wilkinson, Lynn A Sleeper, Minmin Lu, Gerald F Cox, Jeffrey A Towbin, Steven D Colan, Steven A Webber, Charles E Canter, Stephanie M Ware, Daphne T Hsu, Wendy K Chung, John L Jefferies, Christina Cordero, Steven E Lipshultz
BACKGROUND: Research comparing the survival of children with familial dilated cardiomyopathy (FDCM) to that of children with idiopathic dilated cardiomyopathy (IDCM) has produced conflicting results. METHODS AND RESULTS: We analyzed data from children with FDCM or IDCM using the National Heart, Lung, and Blood Institute-funded Pediatric Cardiomyopathy Registry. Compared to children with IDCM (n=647), children with FDCM (n=223) were older (mean 6.2 versus 4.5 years, P<0...
February 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28190794/a-randomized-comparative-study-on-the-efficacy-of-intracoronary-infusion-of-autologous-bone-marrow-mononuclear-cells-and-mesenchymal-stem-cells-in-patients-with-dilated-cardiomyopathy
#20
Wentao Xiao, Suping Guo, Chuanyu Gao, Guoyou Dai, Yongjv Gao, Muwei Li, Xianpei Wang, Dayi Hu
Stem cell therapy has shown therapeutic benefit in dilated cardiomyopathy (DCM), but doubt remains about the most appropriate stem cell subpopulation. The current study compared the efficacy of intracoronary administration of bone marrow mononuclear cells (BMMC) or mesenchymal stem cells (BMSC) in patients with DCM.Fifty-three patients with DCM and reduced (< 40%) left ventricular ejection fraction (LVEF), were randomized to intracoronary infusion of BMMC (BMMC group, n = 16) or BMSC (BMSC group, n = 17) or equal volume normal saline (CTRL group, n = 20)...
February 13, 2017: International Heart Journal
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