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https://www.readbyqxmd.com/read/28323875/the-clinical-features-outcomes-and-genetic-characteristics-of-hypertrophic-cardiomyopathy-patients-with-severe-right-ventricular-hypertrophy
#1
Xiying Guo, Chaomei Fan, Lei Tian, Yanling Liu, Hongyue Wang, Shihua Zhao, Fujian Duan, Xiuling Zhang, Xing Zhao, Fengqi Wang, Hongguang Zhu, Aiqing Lin, Xia Wu, Yishi Li
INTRODUCTION: Severe right ventricular hypertrophy (SRVH) is a rare phenotype in hypertrophic cardiomyopathy (HCM) for which limited information is available. This study was undertaken to investigate the clinical, prognostic and genetic characteristics of HCM patients with SRVH. METHODS: HCM with SRVH was defined as HCM with a maximum right ventricular wall thickness ≥10 mm. Whole-genome sequencing (WGS) was performed in HCM patients with SRVH. Multivariate Cox proportional hazards regression models were used to identify risk factors for cardiac death and events in HCM with SRVH...
2017: PloS One
https://www.readbyqxmd.com/read/28319587/sedentary-behavior-physical-activity-and-fitness-the-maastricht-study
#2
Jeroen Hpm van der Velde, Annemarie Koster, Julianne D van der Berg, Simone Js Sep, Carla Jh van der Kallen, Pieter C Dagnelie, Miranda T Schram, Ronald Ma Henry, Simone Jpm Eussen, Martien Cjm van Dongen, Coen DA Stehouwer, Nicolaas C Schaper, Hans Hcm Savelberg
PURPOSE: This cross-sectional study examined the mutual independent associations of sedentary behavior, lower intensity physical activity (LPA) and higher intensity physical activity HPA (an approximation of moderate to vigorous physical activity (MVPA) with cardio-respiratory fitness (CRF). METHODS: 2,024 participants were included from The Maastricht Study (mean±SD age: 59.7±8.1 years, 49.6% men). With the activPAL3 activity monitor we assessed sedentary time (ST), sedentary pattern variables (number of sedentary breaks, average sedentary bout duration, and number of prolonged sedentary bouts (≥30 min)), LPA, and HPA...
March 18, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28319503/myocardial-infarction-in-a-patient-with-hypertrophic-cardiomyopathy-but-normal-coronary-arteries
#3
Shuheng Li, Xiaoxin Sun, Zongyao Zhang, Zuo-Xiang He
A 57-year-old man with a history of hypertrophic cardiomyopathy diagnosed by echocardiography experienced atypical chest pain and dyspnea for 6 months. A rest Tc-MIBI myocardial SPECT imaging and a F-FDG myocardial PET/CT imaging were performed, which showed multiple matched myocardial perfusion/metabolism defects in the left ventricle, indicating scar tissue. Surprisingly, subsequent contrast coronary angiography revealed no significant coronary artery stenosis.
March 17, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28318853/predicting-risk-of-sudden-death-in-hypertrophic-cardiomyopathy-can-additional-simple-markers-help
#4
Dulce Brito
No abstract text is available yet for this article.
March 16, 2017: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/28318851/the-importance-of-the-neutrophil-to-lymphocyte-ratio-in-patients-with-hypertrophic-cardiomyopathy
#5
Sinem Ozyilmaz, Ozgur Akgul, Huseyin Uyarel, Hamdi Pusuroglu, Mehmet Gul, Muhammet Hulusi Satilmisoglu, Ismail Bolat, Isa Ozyilmaz, Hakan Uçar, Aydin Yildirim, Ihsan Bakir
INTRODUCTION: Previous studies have demonstrated the predictive value of the neutrophil-to-lymphocyte ratio (NLR) in many cardiovascular disorders. The aim of this study was to assess whether NLR is associated with echocardiographic or electrocardiographic parameters, or with predicted five-year risk of sudden cardiac death (SCD), in patients with hypertrophic cardiomyopathy (HCM). METHODS: This prospective observational study included 74 controls and 97 HCM patients...
March 17, 2017: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/28317480/novel-insights-into-complex-cardiovascular-pathologies-using-4d-flow-analysis-by-cardiovascular-magnetic-resonance-imaging
#6
Adam James Lewandowski, Betty Raman, Rajarshi Banerjee, Matteo Milanesi
BACKGROUND: It is essential that we are able to assess variations in blood flow in order to fully understand cardiovascular function in disease pathologies and for identification of individuals at long-term risk of cardiovascular disease development. Qualitative and quantitative assessments of blood flow by imaging modalities have been limited, and much of the accurate quantification has relied on invasive measures. METHODS: This review discusses how four-dimensional velocity cardiovascular magnetic resonance (4D flow CMR) offers increasing potential for the non-invasive assessment of blood flow in the heart and major blood vessels such as the aorta...
March 17, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28316183/-atrial-septal-and-multivalvular-vegetation-detected-in-a-patient-with-hypertrophic-cardiomyopathy
#7
J Yang, Y Jin, X Xu
No abstract text is available yet for this article.
March 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28316182/-right-ventricular-hypertrophic-cardiomyopathy-complicated-with-paradoxical-embolism-in-coronary-artery-a-case-report
#8
S S Zhang, S H Wang
No abstract text is available yet for this article.
March 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28315668/cmybp-c-was-decreased-via-klhl3-mediated-proteasomal-degradation-in-congenital-heart-diseases
#9
Leitong Wang, Guangrui Lai, Guoming Chu, Xiaoyan Liang, Yanyan Zhao
Cardiac myosin binding protein C (cMyBP-C) is a cardiac structural and regulatory protein; mutations of cMyBP-C are frequently associated with hypertrophic cardiomyopathy (HCM) and dilated cardiomyopathy (DCM). Cardiac special transcription factors may regulate the expression of cMyBP-C. However, the role of cMyBP-C in congenital heart diseases (CHD) remains poorly understood. In the current study, western blotting and the MRM approach showed that cMyBP-C expression was significantly reduced in fetuses with CHD compared to those without...
March 15, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28315570/tp-e-interval-and-tp-e-qtc-ratio-as-novel-surrogate-markers-for-prediction-of-ventricular-arrhythmic-events-in-hypertrophic-cardiomyopathy
#10
Mehmet Kadri Akboğa, Kevser Gülcihan Balcı, Samet Yılmaz, Selahattin Aydın, Çağrı Yayla, Ahmet Göktuğ Ertem, Sefa Ünal, Mustafa Mücahit Balcı, Yücel Balbay, Dursun Aras, Serkan Topaloğlu
OBJECTIVE: Hypertrophic cardiomyopathy (HCM) as a common genetic heart disease characterized by ventricular hypertrophy and myocardial fibrosis is significantly associated with a higher risk of fatal ventricular arrhythmic events (VAEs). We aimed to assess the interval between the peak and the end of the electrocardiographic T wave (Tp-e) and Tp-e/corrected QT (QTc) ratio as candidate markers of ventricular arrhythmias in patients with HCM. METHODS: In this single-center, prospective study, a total of 66 patients with HCM and 88 controls were enrolled...
March 9, 2017: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/28315121/untangling-the-biology-of-genetic-cardiomyopathies-with-pluripotent-stem-cell-disease-models
#11
REVIEW
Jan W Buikema, Sean M Wu
PURPOSE OF REVIEW: Recently, the discovery of strategies to reprogram somatic cells into induced pluripotent stem (iPS) cells has led to a major paradigm change in developmental and stem cell biology. The application of iPS cells and their cardiac progeny has opened novel directions to study cardiomyopathies at a cellular and molecular level. This review discusses approaches currently undertaken to unravel known inherited cardiomyopathies in a dish. RECENT FINDINGS: With improved efficiency for mutation correction by genome editing, human iPS cells have now provided a platform to untangle the biology of cardiomyopathies...
April 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28314849/prognostic-implications-of-nonsustained-ventricular-tachycardia-in-high-risk-patients-with-hypertrophic-cardiomyopathy
#12
Weijia Wang, Zhesi Lian, Ethan J Rowin, Barry J Maron, Martin S Maron, Mark S Link
BACKGROUND: The prognostic significance of nonsustained ventricular tachycardia (NSVT) in patients with hypertrophic cardiomyopathy is incompletely resolved. METHODS AND RESULTS: The study group comprised 160 patients with implantable cardioverter defibrillators (ICDs), of whom 94 patients had 24- to 48-hour ambulatory monitoring preimplant. ICDs were interrogated and ambulatory ECGs monitored for NSVT episodes, with associations between NSVT- and ICD-treated ventricular arrhythmias examined...
March 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28306757/effect-of-moderate-intensity-exercise-training-on-peak-oxygen-consumption-in-patients-with-hypertrophic-cardiomyopathy-a-randomized-clinical-trial
#13
Sara Saberi, Matthew Wheeler, Jennifer Bragg-Gresham, Whitney Hornsby, Prachi P Agarwal, Anil Attili, Maryann Concannon, Annika M Dries, Yael Shmargad, Heidi Salisbury, Suwen Kumar, Jonathan Herrera, Jonathan Myers, Adam S Helms, Euan A Ashley, Sharlene M Day
Importance: Formulating exercise recommendations for patients with hypertrophic cardiomyopathy is challenging because of concern about triggering ventricular arrhythmias and because a clinical benefit has not been previously established in this population. Objective: To determine whether moderate-intensity exercise training improves exercise capacity in adults with hypertrophic cardiomyopathy. Design, Setting, and Participants: A randomized clinical trial involving 136 patients with hypertrophic cardiomyopathy was conducted between April 2010 and October 2015 at 2 academic medical centers in the United States (University of Michigan Health System and Stanford University Medical Center)...
March 17, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28306756/recreational-exercise-in-hypertrophic-cardiomyopathy
#14
Anjali T Owens, Thomas P Cappola
No abstract text is available yet for this article.
March 17, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28306208/evaluation-of-myocardial-microcirculation-using-intravoxel-incoherent-motion-imaging
#15
Anna Mou, Chen Zhang, Mengying Li, Fengqiang Jin, Qingwei Song, Ailian Liu, Zhiyong Li
PURPOSE: To explore whether cardiac magnetic resonance-intravoxel incoherent motion imaging (MR-IVIM) is feasible for the clinical evaluation of myocardial microcirculation. MATERIALS AND METHODS: The study included 30 patients (with hypertrophic cardiomyopathy, diabetes mellitus, hypertension, or combined diabetes and hypertension) and 34 healthy volunteers. MR-IVIM with a maximum gradient strength of 50 mT/m was performed on the left ventricular short axis (apex, middle, and base), using multiple b values (0-500 s/mm(2) ) on a 3...
March 17, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28301315/time-and-age-dependent-decrease-of-nt-probnp-after-septal-myectomy-in-hypertrophic-obstructive-cardiomyopathy
#16
Hao Cui, Xi Wu, Shuiyun Wang, Bing Tang, Changsheng Zhu, Haibo Chen, Xiaohui Zhou, Rong Wu, Qinjun Yu, Xiaohong Huang
BACKGROUND: NT-proBNP level is a predictive factor in hypertrophic cardiomyopathy patients, in which left ventricular outflow tract obstruction contributes to an increased NT-proBNP level. However, studies regarding the influence of septal myectomy on NT-proBNP level in hypertrophic obstructive cardiomyopathy are lacking. METHODS: One hundred and eighty-two patients who underwent septal myectomy in Fuwai Hospital from May 2011 to March 2016 and were included in the present study...
March 16, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28298286/echo-parameters-for-differential-diagnosis-in-cardiac-amyloidosis-a-head-to-head-comparison-of-deformation-and-nondeformation-parameters
#17
Efstathios D Pagourelias, Oana Mirea, Jürgen Duchenne, Johan Van Cleemput, Michel Delforge, Jan Bogaert, Tatyana Kuznetsova, Jens-Uwe Voigt
BACKGROUND: A plethora of echo parameters has been suggested for distinguishing cardiac amyloidosis (CA) from other causes of myocardial thickening with, however, scarce data on their head-to-head comparison. This study aimed at comparing the diagnostic accuracy of various deformation and conventional echo parameters in differentiating CA from other hypertrophic substrates, especially in the gray zone of mild hypertrophy (maximum wall thickness ≤16 mm) or normal ejection fraction (EF)...
March 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28297689/-a-case-of-subcortical-intracerebral-hemorrhage-caused-by-underlying-oligodendroglioma-diagnosed-through-long-term-follow-up
#18
Masamune Kidoguchi, Makoto Isozaki, Satoshi Hirose, Ryuhei Kitai, Ken-Ichiro Kikuta
We report on a case of an oligodendroglioma that caused intracerebral hemorrhage, which was diagnosed by long-term follow-up. An 82-year-old man with underlying hypertrophic cardiomyopathy presented with weakness in the right upper extremity. Computed tomography and magnetic resonance imaging(MRI)showed intracerebral hemorrhage and focal brain edema. Since there was a discrepancy between hematoma and focal brain edema, we first diagnosed cardiogenic cerebral embolism. Six months later, MRI results showed an improvement of the brain edema; however, the lesion developed after a year...
March 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28296734/genetic-anticipation-in-a-special-form-of-hypertrophic-cardiomyopathy-with-sudden-cardiac-death-in-a-family-with-74-members-across-5-generations
#19
Xiying Guo, Chaomei Fan, Yanping Wang, Miao Wang, Chi Cai, Yinjian Yang, Shihua Zhao, Fujian Duan, Yishi Li
Hypertrophic cardiomyopathy (HCM) is the most common heritable heart disease. The genetic anticipation of HCM and its associated etiology, sudden cardiac death (SCD), remains unclear. The aim of this study was to investigate the mechanism underlying the genetic anticipation of HCM and associated SCD.An HCM family including 5 generations and 74 members was studied. Two-dimensional echocardiography was performed to diagnose HCM. The age of onset of HCM was defined as the age at first diagnosis according to hospital records...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28296375/-endomyocardial-fibrosis-associated-to-antiphospholipid-syndrome-case-report-and-review
#20
Carlos A Parquet, Jorge Curotto-Grasiosi, Rogelio A Machado, Bruno Peressotti, Matías B Padilla, Alberto L Bolaño
A 29-year-old man with a history of seizures, was admitted due to an episode of unconsciousness recovered and hypertension with renal disfunction. The electrocardiogram mimicked a hypertrophic cardiomyopathy, but, by Doppler echocardiography, this was discarded because it suggested endomyocardial fibrosis which was confirmed by cardiac magnetic resonance imaging with late enhancement. Since the episode of unconsciousness, brain imaging studies were performed showing vascular sequelae and microangiopathic lesions...
March 2017: Revista Médica del Instituto Mexicano del Seguro Social
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