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Hypertrophic cardiomyopathies

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https://www.readbyqxmd.com/read/29325364/-the-efficacy-and-safety-of-coil-embolization-of-septal-branch-in-the-treatment-of-patients-with-obstructive-hypertrophic-cardiomyopathy
#1
H Liu, Q Wu, H W Tan, J Pang
Objective: To observe the clinical efficacy and safety of coil embolization of septal branch in the treatment of obstructive hypertrophic cardiomyopathy (HOCM). Methods: Eighteen patients with HOCM hospitalized in our department from September 2014 to October 2016 were enrolled in this study. There were 12 males and 6 females in this cohort and the age of patients ranged from 22 to 64 years old. Left ventricular outflow tract gradient (LVOTG) was derived from echocardiographic apical five-chamber view at pre-operation and at 48 hours and 6 months post operation...
December 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/29325362/-predicting-value-of-2014-european-guidelines-risk-prediction-model-for-sudden-cardiac-death-hcm-risk-scd-in-chinese-patients-with-hypertrophic-cardiomyopathy
#2
W X Li, L W Liu, J Wang, L Zuo, F Yang, N Kang, C H Lei
Objective: To evaluate the predicting value of the 2014 European Society of Cardiology (ESC) guidelines risk prediction model for sudden cardiac death (HCM Risk-SCD) in Chinese patients with hypertrophic cardiomyopathy (HCM), and to explore the predictors of adverse cardiovascular events in Chinese HCM patients. Methods: The study population consisted of a consecutive 207 HCM patients admitted in our center from October 2014 to October 2016. All patients were followed up to March 2017. The 5-year SCD probability of each patient was estimated using HCM Risk-SCD model based on electrocardiogram, echocardiography and cardiac magnetic resonance (CMR) examination results...
December 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/29325361/-guidelines-for-the-diagnosis-and-treatment-for-chinese-adult-patients-with-hypertrophic-cardiomyopathy
#3
(no author information available yet)
No abstract text is available yet for this article.
December 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/29325359/-new-strategies-for-the-diagnosis-and-treatemtn-of-hypertrophic-cardiomyopathy
#4
(no author information available yet)
No abstract text is available yet for this article.
December 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/29325129/transaortic-septal-myectomy-using-direct-septal-echography
#5
Kanji Matsuzaki, Toru Tsukada, Masataka Sato, Yasunori Watanabe
We applied direct septal echography in transaortic septal myectomy for left ventricular outflow tract obstruction due to hypertrophic obstructive cardiomyopathy and asymmetric septal hypertrophy. A small L-shaped probe was inserted into the right ventricle through a 2-cm incision on the right ventricular outflow tract. The probe was placed directly on the interventricular septum to visualize its actual thickness. It was also helpful to push and expose the septum into a direct field of vision through the aortic annulus...
January 8, 2018: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29324812/identifying-unmet-clinical-need-in-hypertrophic-cardiomyopathy-using-national-electronic-health-records
#6
Mar Pujades-Rodriguez, Oliver P Guttmann, Arturo Gonzalez-Izquierdo, Bram Duyx, Constantinos O'Mahony, Perry Elliott, Harry Hemingway
INTRODUCTION: To evaluate unmet clinical need in unselected hypertrophic cardiomyopathy (HCM) patients to determine the risk of a wide range of subsequent cardiovascular disease endpoints and safety endpoints relevant for trial design. METHODS: Population based cohort (CALIBER, linked primary care, hospital and mortality records in England, period 1997-2010), all people diagnosed with HCM were identified and matched by age, sex and general practice with ten randomly selected people without HCM...
2018: PloS One
https://www.readbyqxmd.com/read/29321133/evolving-story-of-clinical-trials-in-hypertrophic-cardiomyopathy
#7
EDITORIAL
Perry M Elliott
No abstract text is available yet for this article.
January 2018: Circulation. Heart Failure
https://www.readbyqxmd.com/read/29321131/efficacy-of-ranolazine-in-patients-with-symptomatic-hypertrophic-cardiomyopathy-the-restyle-hcm-randomized-double-blind-placebo-controlled-study
#8
Iacopo Olivotto, Paolo G Camici, Piera Angelica Merlini, Claudio Rapezzi, Monica Patten, Vicent Climent, Gianfranco Sinagra, Benedetta Tomberli, Francisco Marin, Philipp Ehlermann, Lars S Maier, Alessandra Fornaro, Claudius Jacobshagen, Antonello Ganau, Luciano Moretti, Antonio Hernandez Madrid, Raffaele Coppini, Giorgio Reggiardo, Corrado Poggesi, Francesco Fattirolli, Luiz Belardinelli, Gianfranco Gensini, Alessandro Mugelli
BACKGROUND: The late sodium current inhibitor ranolazine reverses the main electrophysiological and mechanical abnormalities of human hypertrophic cardiomyopathy (HCM) cardiomyocytes in vitro, suggesting potential clinical benefit. We aimed to assess the effect of ranolazine on functional capacity, symptomatic status, diastolic function, and arrhythmias in HCM. METHODS AND RESULTS: In this multicenter, double-blind, phase 2 study, 80 adult patients with nonobstructive HCM (age 53±14 years, 34 women) were randomly assigned to placebo (n=40) or ranolazine 1000 mg bid (n=40) for 5 months...
January 2018: Circulation. Heart Failure
https://www.readbyqxmd.com/read/29321034/diagnostic-and-prognostic-utility-of-cardiovascular-magnetic-resonance-imaging-in-heart-failure-with-preserved-ejection-fraction-implications-for-clinical-trials
#9
Prathap Kanagala, Adrian S H Cheng, Anvesha Singh, John McAdam, Anna-Marie Marsh, Jayanth R Arnold, Iain B Squire, Leong L Ng, Gerry P McCann
BACKGROUND: Heart failure with preserved ejection fraction (HFpEF) is a poorly characterized condition. We aimed to phenotype patients with HFpEF using multiparametric stress cardiovascular magnetic resonance imaging (CMR) and to assess the relationship to clinical outcomes. METHODS: One hundred and fifty four patients (51% male, mean age 72 ± 10 years) with a diagnosis of HFpEF underwent transthoracic echocardiography and CMR during a single study visit. The CMR protocol comprised cine, stress/rest perfusion and late gadolinium enhancement imaging on a 3T scanner...
January 11, 2018: Journal of Cardiovascular Magnetic Resonance
https://www.readbyqxmd.com/read/29319343/obesity-and-sudden-cardiac-death-in-the-young-clinical-and-pathological-insights-from-a-large-national-registry
#10
Gherardo Finocchiaro, Michael Papadakis, Harshil Dhutia, Della Cole, Elijah R Behr, Maite Tome, Sanjay Sharma, Mary N Sheppard
Aims Obesity is an increasing public health problem and a risk factor for cardiovascular diseases. The aim of the study was to determine the main features and aetiologies in a large cohort of sudden cardiac deaths that occurred in obese subjects. Methods Between 1994 and 2014, 3684 consecutive cases of unexpected sudden cardiac death were referred to our cardiac pathology centre. This study was confined to young individuals (age ≤ 35 years) for whom information about body mass index was available and consisted of 1033 cases...
January 1, 2018: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/29315424/cardiac-resynchronization-therapy-in-patients-with-end-stage-hypertrophic-cardiomyopathy
#11
Ammar M Killu, Jae-Yoon Park, Jaskanwal D Sara, David O Hodge, Bernard J Gersh, Rick A Nishimura, Samuel J Asirvatham, Christopher J McLeod
Aims: A dilated/end-stage phase of hypertrophic cardiomyopathy (HCM) is rare but well-recognized. The role for cardiac resynchronization therapy (CRT) in this subset of patients remains unexplored. We aimed to clarify the impact of bi-ventricular pacing CRT in dilated/end-stage HCM. Methods and results: The Mayo Clinic HCM database was interrogated to identify patients with ejection fraction (EF) <50% and CRT. Control subjects were identified in 1:1 manner...
January 1, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29313818/long-term-mortality-in-patients-with-severe-secondary-mitral-regurgitation-and-normal-left-ventricular-ejection-fraction-interventional-perspective
#12
Amr F Barakat, Mohammad Q Raza, Kinjal Banerjee, Rayji S Tsutsui, Amgad Mentias, Karim Abdur Rehman, Badal Thakkar, Sajjad Gul, Raquib Faruqui, Amar Krishnaswamy, Leonardo L Rodriguez, Richard Grimm, Brian Griffin, Emin Murat Tuzcu, Samir R Kapadia
AIMS: Patients with severe secondary mitral regurgitation (MR) and normal ejection fraction are being excluded from clinical trials evaluating transcatheter mitral devices. We sought to evaluate the long-term mortality with medical management alone in this patient population. METHODS AND RESULTS: We retrospectively evaluated patients diagnosed with ≥3+ mitral MR at our institution over 15 years. Only patients with ejection fraction ≥ 60% were included in the study...
January 9, 2018: EuroIntervention
https://www.readbyqxmd.com/read/29310338/genetic-polymorphism-of-angiotensin-converting-enzyme-and-hypertrophic-cardiomyopathy-risk-a-systematic-review-and-meta-analysis
#13
Ye Yuan, Lin Meng, Yan Zhou, Na Lu
BACKGROUND: Genetic factors in the pathogenesis of cardiomyopathies have received a lot of attention during the past 2 decades. Some studies have reported that angiotensin-converting enzyme (ACE) gene has been associated with hypertrophic cardiomyopathy (HCM). However, there have been inconsonant results among different studies. To clarify the influence of ACE on HCM, a systemic review and meta-analysis of case-control studies were performed. METHODS: The following databases were searched to indentify related studies: PubMed database, the Embase database, the Cochrane Central Register of Controlled Trials database, China National Knowledge Information database, and Chinese Scientific and Technological Journal database...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29304228/prognostic-value-of-free-triiodothyronine-level-in-patients-with-hypertrophic-obstruction-cardiomyopathy
#14
Kuo Zhang, Xiangbin Meng, Wenyao Wang, Jilin Zheng, Shimin An, Siyuan Wang, Yu Qi, Chuanyu Gao, Yi-Da Tang
Context: Thyroid hormone acts as a fundamental regulator in cardiovascular homeostasis in pathophysiological conditions. Objective: This study aims to determine whether thyroid hormone could be an independent predictor of adverse events in patients with hypertrophic obstruction cardiomyopathy (HOCM). Design, patients and outcome measure: The original cohort consisted of 965 consecutive patients with HOCM who were admitted to Fuwai Hospital from October 2009 to December 2014, and 756 patients completed thyroid functionevaluations...
January 3, 2018: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29301125/long-term-prognosis-after-myectomy-in-hypertrophic-obstructive-cardiomyopathy-with-severe-left-ventricular-hypertrophy
#15
Shuoyan An, Chaomei Fan, Yinjian Yang, Fei Hang, Zhimin Wang, Yuhui Zhang, Jian Zhang
OBJECTIVES: Patients with hypertrophic obstructive cardiomyopathy (HOCM) and severe left ventricular hypertrophy (maximal left ventricular wall thickness ≥30 mm) are at high risk of sudden cardiac death (SCD). In this study, we aimed to determine whether HOCM patients with severe hypertrophy had a lower incidence of SCD after myectomy. METHODS: HOCM patients with severe hypertrophy were consecutively enrolled from Fuwai Hospital in China between 2000 and 2013...
January 5, 2018: Cardiology
https://www.readbyqxmd.com/read/29298659/cardiac-manifestations-of-prkag2-mutation
#16
Pooya Banankhah, Gregory A Fishbein, Anthony Dota, Reza Ardehali
BACKGROUND: The Protein Kinase AMP-Activated Non-Catalytic Subunit Gamma 2 (PRKAG2) cardiac syndrome is characterized by glycogen accumulation in the cardiac tissue. The disease presents clinically with hypertrophic cardiomyopathy (HCM), and it is often associated with conduction abnormalities. CASE PRESENTATION: A 23 year-old female with history of Wolff-Parkinson-White (WPW) and HCM presented for evaluation after an episode of Non-ST Elevation Myocardial Infarction (NSTEMI)...
January 3, 2018: BMC Medical Genetics
https://www.readbyqxmd.com/read/29284499/left-atrial-structure-and-function-in-hypertrophic-cardiomyopathy-sarcomere-mutation-carriers-with-and-without-left-ventricular-hypertrophy
#17
Hoshang Farhad, Sara B Seidelmann, Davis Vigneault, Siddique A Abbasi, Eunice Yang, Sharlene M Day, Steven D Colan, Mark W Russell, Jeffrey Towbin, Mark V Sherrid, Charles E Canter, Ling Shi, Michael Jerosch-Herold, David A Bluemke, Carolyn Ho, Tomas G Neilan
BACKGROUND: Impaired left atrial (LA) function is an early marker of cardiac dysfunction and predictor of adverse cardiac events. Herein, we assess LA structure and function in hypertrophy in hypertrophic cardiomyopathy (HCM) sarcomere mutation carriers with and without left ventricular hypertrophy (LVH). METHOD: Seventy-three participants of the HCMNet study who underwent cardiovascular magnetic resonance (CMR) imaging were studied, including mutation carriers with overt HCM (n = 34), preclinical mutation carriers without HCM (n = 24) and healthy, familial controls (n = 15)...
December 28, 2017: Journal of Cardiovascular Magnetic Resonance
https://www.readbyqxmd.com/read/29283466/improved-segmental-myocardial-strain-reproducibility-using-deformable-registration-algorithms-compared-with-feature-tracking-cardiac-mri-and-speckle-tracking-echocardiography
#18
Jie Wang, Weihao Li, Jiayu Sun, Hong Liu, Yu Kang, Dan Yang, Liuyu Yu, Andreas Greiser, Xiaoyue Zhou, Yuchi Han, Yucheng Chen
BACKGROUND: Segmental myocardial strain using feature tracking (FT) cardiac MRI is not acceptable due to poor reproducibility. PURPOSE: To assess the reproducibility of left ventricle (LV) segmental myocardial strain measured by deformation registration algorithm (DRA). STUDY TYPE: Prospective clinical trial. SUBJECTS: Sixteen healthy volunteers and 28 hypertrophic cardiomyopathy (HCM) patients. FIELD STRENGTH/SEQUENCE: Retrospective ECG gating cardiac MRI imaging was performed at 3...
December 28, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/29275877/effect-of-institutional-experience-on-outcomes-of-alcohol-septal-ablation-for-hypertrophic-obstructive-cardiomyopathy
#19
Josef Veselka, Lothar Faber, Morten Kvistholm Jensen, Robert Cooper, Jaroslav Januska, Jan Krejci, Thomas Bartel, Maciej Dabrowski, Peter Riis Hansen, Vibeke Marie Almaas, Hubert Seggewiss, Dieter Horstkotte, Radka Adlova, Henning Bundgaard, Jurriën Ten Berg, Max Liebregts
BACKGROUND: The current American College of Cardiology Foundation/American Heart Association guidelines on hypertrophic cardiomyopathy state that institutional experience is a key determinant of successful outcomes and lower complication rates of alcohol septal ablation (ASA). The aim of this study was to evaluate the safety and efficacy of ASA according to institutional experience with the procedure. METHODS: We retrospectively evaluated 1310 patients with symptomatic obstructive hypertrophic cardiomyopathy who underwent ASA and were divided into 2 groups...
January 2018: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/29275876/performance-volume-thresholds-for-alcohol-septal-ablation-in-treating-hypertrophic-cardiomyopathy-guidelines-competency-statements-and-now-data
#20
EDITORIAL
Srihari S Naidu
No abstract text is available yet for this article.
January 2018: Canadian Journal of Cardiology
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