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Non ischemic cardiomyopathy

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https://www.readbyqxmd.com/read/28715072/association-of-mean-platelet-volume-with-presence-of-non-viable-myocardium-in-ischemic-cardiomyopathy
#1
Semi Ozturk, Ahmed Seyfettin Gürbüz, Süleyman Çağan Efe, Mehmet Fatih Yılmaz, Özden Savaş Den Hartigh, Ferahnaz Çınaral Sayın, Cevat Kırma
BACKGROUND AND AIMS: Parameters derived from complete blood count such as mean platelet volume (MPV), neutrophil to lymphocyte (NLR), platelet to lymphocyte (PLR) are recently proposed as measures of inflammation in addition to C-reactive protein (CRP), a classical inflammatory marker. Significant association of these parameters with atherosclerosis and complications have increasingly been reported. Our aim is to evaluate relationship between these parameters and presence of myocardial viability assessed with positron emission tomography (PET) in patients with ischemic cardiomyopathy...
July 17, 2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28709811/arrhythmic-risk-stratification-in-non-ischemic-dilated-cardiomyopathy-where-do-we-stand-after-danish
#2
REVIEW
Polychronis Dilaveris, Christos-Konstantinos Antoniou, Konstantinos A Gatzoulis
Publication of the DANISH randomized trial led to considerable debate, given that it demonstrated no survival benefit stemming from current implantable cardioverter-defibrillator (ICD) allocation criteria in patients with non-ischemic dilated cardiomyopathy (NIDCM). Consequently, a thorough reconsideration of our approach to sudden cardiac death (SCD)-risk stratification appears to be in order. NIDCM encompasses a wide spectrum of disease entities, often with differing arrhythmogenicity; however, in its kernel, is still defined by the fundamentals of electrophysiology that dictate that abnormal tissue, exhibiting altered electrophysiological properties is necessary for arrhythmogenesis, but not enough, given that formation of functional circuits is required...
June 7, 2017: Trends in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28705874/automated-quantification-of-low-amplitude-abnormal-qrs-peaks-from-high-resolution-ecg-recordings-predicts-arrhythmic-events-in-patients-with-cardiomyopathy
#3
Moloy Das, Adrian M Suszko, Sachin Nayyar, Karthik Viswanathan, Danna A Spears, George Tomlinson, Arnold Pinter, Eugene Crystal, Rupin Dalvi, Sridhar Krishnan, Vijay S Chauhan
BACKGROUND: Cardiomyopathy patients are at risk of sudden death, typically from scar-related abnormalities of electrical activation that promote ventricular tachyarrhythmias. Abnormal intra-QRS peaks may provide a measure of altered activation. We hypothesized that quantification of such QRS peaks (QRSp) in high-resolution ECGs would predict arrhythmic events in implantable cardioverter-defibrillator (ICD)-eligible cardiomyopathy patients. METHODS AND RESULTS: Ninety-nine patients with ischemic or non-ischemic dilated cardiomyopathy undergoing prophylactic ICD implantation were prospectively enrolled (age 62±11 years, left ventricular ejection fraction 27±7%)...
July 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28696268/personalizing-risk-stratification-for-sudden-death-in-dilated-cardiomyopathy-the-past-present-and-future
#4
REVIEW
Brian P Halliday, John G F Cleland, Jeffrey J Goldberger, Sanjay K Prasad
Results from the DANISH Study (Danish Study to Assess the Efficacy of ICDs in Patients With Non-Ischemic Systolic Heat Failure on Mortality) suggest that for many patients with dilated cardiomyopathy (DCM), implantable cardioverter-defibrillators do not increase longevity. Accurate identification of patients who are more likely to die of an arrhythmia and less likely to die of other causes is required to ensure improvement in outcomes and wise use of resources. Until now, left ventricular ejection fraction has been used as a key criterion for selecting patients with DCM for an implantable cardioverter-defibrillator for primary prevention purposes...
July 11, 2017: Circulation
https://www.readbyqxmd.com/read/28691201/combined-myocardial-deformation-to-predict-cardiac-resynchronization-therapy-response-in-non-ischemic-cardiomyopathy
#5
Ning Yang, Zhao-Guang Liang, Zhao-Jun Wang, Hui Liu, Chao Chi, Yan-Feng Tian, Shu-Han Qi, Bi-Yu Wang, Wei Han
BACKGROUND: 20-30% of patients do not benefit from CRT when the established selection criteria were applied. We hypothesized that a combined assessment of mechanical dyssynchrony, myocardial deformation and diastolic function would identify patients who would benefit most from CRT. METHOD: In 36 CRT patients, clinical evaluation and echocardiography were performed before and after CRT. Patients were classified into 3 subgroups according to their amount of response: echocardiographic responders, clinical responders, and nonresponders...
July 10, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28690959/from-the-gut-to-the-heart-campylobacter-jejuni-enteritis-leading-to-myopericarditis
#6
Faisal Inayat, Nouman Safdar Ali, Iqra Riaz, Hafeez Ul Hasan Virk
Campylobacter jejuni enteritis is the most common enteric infection in the developed world. Although rare, pericarditis and myopericarditis have been increasingly documented as complications following campylobacteriosis. The present paper implicates that myopericarditis and non-ischemic cardiomyopathy following Campylobacter jejuni infection might be more prevalent than initially thought and perhaps underreported so far. Therefore, it is imperative to perform the appropriate initial diagnostic testing, including stool cultures, in order to make an accurate diagnosis early in the course of the disease...
June 9, 2017: Curēus
https://www.readbyqxmd.com/read/28683825/diabetic-retinopathy-is-associated-with-diastolic-dysfunction-in-type-2-diabetic-patients-with-non-ischemic-dilated-cardiomyopathy
#7
Yoo-Ri Chung, Se-Jun Park, Ka Young Moon, Seoyoung Annie Choi, Hong-Seok Lim, Sung Wook Park, Jeong Hun Kim, Kihwang Lee
BACKGROUND: To investigate the association between diabetic retinopathy (DR) and myocardial dysfunction in patients with type 2 diabetes and dilated cardiomyopathy (dCMP). METHODS: Data were collected retrospectively from 89 patients with dCMP (46 with type 2 diabetes and 43 without diabetes) and no evidence of coronary artery disease. Echocardiographic parameters and laboratory data, including lipid profiles and fundus findings, were obtained from medical records...
July 6, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28674918/role-of-implantable-cardioverter-defibrillator-in-non-ischemic-cardiomyopathy-a-systematic-review-and-meta-analysis-of-prospective-randomized-clinical-trials
#8
REVIEW
Jorge Romero, Rahul Chaudhary, Jalaj Garg, Florentino Lupercio, Neeraj Shah, Rahul Gupta, Talha Nazir, Babak Bozorgnia, Andrea Natale, Luigi Di Biase
INTRODUCTION: A mortality benefit in patients with implantable cardioverter defibrillator (ICD) in ischemic cardiomyopathy is well established. However, the benefit of ICD implantation in non-ischemic cardiomyopathy (NICM) on total mortality remains uncertain. We performed a systematic review and meta-analysis of randomized controlled trials (RCT) evaluating the role of primary prevention ICD in NICM patients. METHODS: We performed a systematic review on PubMed, The Cochrane Library, EMBASE, EBSCO, Web of Science, and CINAHL databases from the inception through February 2017 to identify RCT evaluating the role of ICD in NICM patients...
July 3, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28669332/biomarkers-in-cardiomyopathies-and-prediction-of-sudden-cardiac-death
#9
Mathieu Kruska, Ibrahim El-Battrawy, Martin Borggrefe
BACKGROUND: Cardiomyopathies are a major cause of heart diseases in all age groups leading to heart failure and arrhythmias. Additionally, they are an important cause of sudden cardiac death (SCD) in young people. Major advances have been made in the understanding of the complex and manifold underlying pathomechanisms and their correlating blood measured biomarkers. The aim of this review is to outline the role of blood measured biomarkers in non-ischemic cardiomyopathies and their role in the prediction of sudden cardiac death...
June 23, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28664342/effect-of-supplemented-intake-of-omega-3-fatty-acids-on-arrhythmias-in-patients-with-icd-fish-oil-therapy-may-reduce-ventricular-arrhythmia
#10
Dalit Weisman, Roy Beinart, Aharon Erez, Nira Koren-Morag, Ilan Goldenberg, Michael Eldar, Michael Glikson, David Luria
PURPOSE: The aim of this study was to evaluate the effects of fish oils, including eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), on ventricular tachyarrhythmic episodes (VTEs) in implantable cardioverter defibrillator (ICD) recipients with ischemic cardiomyopathy. METHODS: One hundred five ICD recipients with ischemic cardiomyopathy received 3.6 g of EPA and DHA and placebo for 6 months, each at a random order, with a 4-month washout period between treatments...
June 29, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28663761/clinical-outcome-of-cardiac-resynchronization-therapy-in-dilated-phase-hypertrophic-cardiomyopathy
#11
Min Gu, Han Jin, Wei Hua, Xiao-Han Fan, Hong-Xia Niu, Tao Tian, Li-Gang Ding, Jing Wang, Cong Xue, Shu Zhang
BACKGROUNDS: Clinical trials have demonstrated that cardiac resynchronization therapy (CRT) is effective in patients with "non-ischemic cardiomyopathy". However, patients with dilated-phase hypertrophic cardiomyopathy (DHCM) have been generally excluded from such trials. We aimed to compare the clinical outcome of CRT in patients with DHCM, idiopathic dilated cardiomyopathy (IDCM), or ischemic cardiomyopathy (ICM). METHODS: A total of 312 consecutive patients (DHCM: n = 16; IDCM: n = 231; ICM: n = 65) undergoing CRT in Fuwai hospital were studied respectively...
April 2017: Journal of Geriatric Cardiology: JGC
https://www.readbyqxmd.com/read/28647343/alcoholic-cardiomyopathy-what-is-known-and-what-is-not-known
#12
REVIEW
Antonio Mirijello, Claudia Tarli, Gabriele Angelo Vassallo, Luisa Sestito, Mariangela Antonelli, Cristina d'Angelo, Anna Ferrulli, Salvatore De Cosmo, Antonio Gasbarrini, Giovanni Addolorato
Excessive alcohol consumption represents one of the main causes of non-ischemic dilated cardiomyopathy. Alcoholic cardiomyopathy is characterized by dilation and impaired contraction of one or both myocardial ventricles. It represents the final effect of alcohol-induced toxicity to the heart. Several pathophysiological mechanisms have been proposed at the basis of alcohol-induced damage, most of which are still object of research. Unfortunately, symptoms of alcoholic cardiomyopathy are not specific and common to other forms of heart failure and appear when dilatation and systolic dysfunction are consolidated...
June 21, 2017: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/28611348/early-detection-of-subclinical-aortic-valve-endocarditis-with-the-cardiomems-heart-failure-system
#13
Sinan Sarsam, Georgy Kaspar, Shukri David, Marcel Zughaib
BACKGROUND The CardioMEMS Heart Failure System is a well validated tool to optimize management of systolic and diastolic heart failure and has been shown to reduce the risk of hospitalization by 37%. We are reporting a unique case of acute aortic valve insufficiency as a first sign of endocarditis, detected early in a patient with the CardioMEMS device. CASE REPORT A 79-year-old man with dual bioprosthetic mitral and aortic valve replacement and non-ischemic cardiomyopathy had a CardioMEMS Heart Failure System implanted 2 months following valve replacement surgery...
June 14, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28597532/substrate-characterization-and-catheter-ablation-in-patients-with-scar-related-ventricular-tachycardia-using-ultra-high-density-3d-mapping
#14
Jana M Nührich, Lukas Kaiser, Ruken Özge Akbulak, Benjamin N Schäffer, Christian Eickholt, Michael Schwarzl, Pawel Kuklik, Julia Moser, Mario Jularic, Stephan Willems, Christian Meyer
BACKGROUND: Ablation of scar-related ventricular tachycardia (VT), especially in non-inducible VT or hemodynamically unstable patients, can be challenging. Thus, we evaluated feasibility of an ultra high-density 3D-mapping approach to characterize the ventricular substrate and, if possible, to map VT. METHODS AND RESULTS: Twenty-two patients (67±2 years, mean LV-EF 36±3%) with both ischemic and non-ischemic cardiomyopathy and documented VT underwent mapping and catheter ablation using a 64-electrode mini-basket catheter...
June 8, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28589748/challenges-in-management-of-left-ventricular-thrombus
#15
Fuad Habash, Srikanth Vallurupalli
Left ventricular thrombus (LVT) complicates both ischemic and non-ischemic cardiomyopathies and is a potential cause of thromboembolic complications such as stroke. Management of LVT in the 21st century is primarily based on studies before the widespread use of potent pharmacological and interventional therapies such as primary percutaneous coronary intervention, especially in the setting of acute myocardial infarction. Though advances in diagnostic technology have improved detection of LVT, clinicians face several uncertainties in the management of LVT in daily practice...
June 1, 2017: Therapeutic Advances in Cardiovascular Disease
https://www.readbyqxmd.com/read/28577280/the-role-of-myocardial-viability-in-contemporary-cardiac-practice
#16
REVIEW
Abdelrahman Jamiel, Mohamad Ebid, Amjad M Ahmed, Dalia Ahmed, Mouaz H Al-Mallah
Ischemic heart disease (IHD) remains the single most common cause of death worldwide. Ischemic cardiomyopathy is a major sequel of coronary artery disease. The economic health burden of IHD is substantial. In patients with old myocardial infarction (OMI), the extent of viable myocardium (VM) directly affects the short- and long-term outcome. There is a considerable collection of observational data showing substantial improvement in patients with significant left ventricular dysfunction when the need for revascularization is guided by preoperative assessment of viability and hibernation...
June 3, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28577279/role-of-pet-to-evaluate-coronary-microvascular-dysfunction-in-non-ischemic-cardiomyopathies
#17
REVIEW
Paco E Bravo, Marcelo F Di Carli, Sharmila Dorbala
Coronary microvascular dysfunction (CMD) can result from structural and functional abnormalities at the intramural and small coronary vessel level affecting coronary blood flow autoregulation and consequently leading to impaired coronary flow reserve. CMD often co-exists with epicardial coronary artery disease but is also commonly seen in patients with various forms of heart disease, including dilated, hypertrophic, and infiltrative cardiomyopathies. CMD can go unnoticed without any symptoms, or manifest as angina, and/or dyspnea, and contribute to the development of heart failure, and even sudden death especially when co-existing with myocardial fibrosis...
June 3, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28571807/dilated-cardiomyopathy-induced-disruption-of-basement-membrane-alters-the-lever-systems-acting-on-the-heart
#18
Iman A Mohamed, Nagwa El-Badri, Amr Zaher
Dilated cardiomyopathy (DCM) is considered the most common form of non-ischemic heart diseases. DCM, occurs in response to both non-genetic and genetic factors, and has been associated with cytoskeletal protein mutations, impairing the contractile apparatus of cardiac myocytes. However, the pathology underlying the marked left ventricular dilatation remains unclear. Moreover, patients with end-stage DCM show alterations in the composition of the extracellular matrix (ECM), and myocardial fibrosis even when the cardiac myocytes are intact...
June 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28567581/temporary-biventricular-support-with-extracorporeal-membrane-oxygenation-a-feasible-therapeutic-approach-for-cardiogenic-shock-with-multiple-organ-failure
#19
Osamu Seguchi, Tomoyuki Fujita, Takuya Watanabe, Kensuke Kuroda, Eriko Hisamatsu, Seiko Nakajima, Takuma Sato, Haruki Sunami, Masanobu Yanase, Hiroki Hata, Junjiro Kobayashi, Takeshi Nakatani, Norihide Fukushima
Various strategies using a ventricular assist device (VAD) are applied to rescue Interagency Registry for Mechanically Assisted Circulatory Support profile 1 (Profile-1) patients. However, the optimal use of VAD in Profile-1 patients has not been completely elucidated. We retrospectively reviewed 23 Profile-1 patients [mean age 36.9 ± 16.6 years, 14 males; 11 with non-ischemic cardiomyopathy (NICM), 9 with fulminant myocarditis (FM), 2 with ischemic cardiomyopathy (ICM), and 1 with peripartum cardiomyopathy (PPCM); 18 with pre-operative percutaneous extracorporeal membrane oxygenation (p-ECMO) support] who underwent VAD implantation from 2011 to 2015 at our institution...
May 31, 2017: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
https://www.readbyqxmd.com/read/28551784/mitochondrial-function-in-non-ischemic-heart-failure
#20
Anisha A Gupte, Dale J Hamilton
Provision for the continuous demand for energy from the beating heart relies heavily on efficient mitochondrial activity. Non-ischemic cardiomyopathy in which oxygen supply is not limiting results from etiologies such as pressure overload. It is associated with progressive development of metabolic stress culminating in energy depletion and heart failure. The mitochondria from the ventricular walls undergoing non-ischemic cardiomyopathy are subjected to long periods of adaptation to support the changing metabolic milieu, which has been described as mal-adaptation since it ultimately results in loss of cardiac contractile function...
2017: Advances in Experimental Medicine and Biology
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