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Structural heart disease

Fabian Sanchis-Gomar, Carme Perez-Quilis, Giuseppe Lippi, Gianfranco Cervellin, Roman Leischik, Herbert Löllgen, Enrique Serrano-Ostáriz, Alejandro Lucia
Atrial fibrillation (AF) is the most common heart arrhythmia, the risk of which typically increases with age. This condition is commonly associated with major cardiovascular diseases and structural heart damage, while it is rarely observed in healthy young people. However, increasing evidence indicates that paroxysmal AF can also onset in young or middle-aged and otherwise healthy endurance athletes (e.g., cyclists, runners and cross-country skiers). Here we review the topic of AF associated with strenuous endurance exercise (SEE), for example cycling, running and cross-country skiing, especially at a competitive level, and we propose the definition of a new syndrome based on the accumulating data in the literature: SEE-related AF under the acronym of 'PAFIYAMA' ('paroxysmal AF in young and middle-aged athletes')...
October 19, 2016: International Journal of Cardiology
Osman Güvenç, Ender Ödemiş, Murat Saygı, İbrahim Halil Demir
Major aortopulmonary collateral arteries are abnormal vascular structures that may be seen in cyanotic diseases that progress with reduced pulmonary flow. They occur rather rarely in the absence of cyanotic congenital heart disease. Presently described is the case of an infant who underwent patent ductus arteriosus (PDA) and major aortopulmonary collateral artery occlusion in a single session, without presence of cyanotic congenital heart disease. To the best of our knowledge, this is the first case of congenital aortopulmonary collateral artery to be reported in a symptomatic infant with PDA...
October 2016: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
Sho-Ichi Yamagishi, Takanori Matsui, Yuji Ishibashi, Fumiyuki Isami, Yumi Abe, Tatsuya Sakaguchi, Yuichiro Higashimoto
Reducing sugars can react non-enzymatically with amino groups of proteins and lipids to form irreversibly cross-linked macroprotein derivatives called as advanced glycation end products (AGEs). Cross-linking modification of extracellular matrix proteins by AGEs deteriorate their tertiary structural integrity and function, contributing to aging-related organ damage and diabetes-associated complications, such as cardiovascular disease (CVD). Moreover, engagement of receptor for AGEs, RAGE with the ligands evoke oxidative stress generation and inflammatory, thrombotic and fibrotic reactions in various kinds of tissues, further exacerbating the deleterious effects of AGEs on multiple organ systems...
October 21, 2016: Current Pharmaceutical Design
Yasuhiro Imaeda, Hidekazu Tokuhara, Yoshiyuki Fukase, Ray Kanagawa, Yumiko Kajimoto, Keiji Kusumoto, Mitsuyo Kondo, Gyorgy Snell, Craig A Behnke, Takanobu Kuroita
The aspartic proteinase renin is an attractive target for the treatment of hypertension and cardiovascular/renal disease such as chronic kidney disease and heart failure. We introduced an S1' site binder into the lead compound 1 guided by structure-based drug design (SBDD), and further optimization of physicochemical properties led to the discovery of benzimidazole derivative 10 (1-(4-methoxybutyl)-N-(2-methylpropyl)-N-[(3S,5R)-5-(morpholin-4-yl)carbonylpiperidin-3-yl]-1H-benzimidazole-2-carboxamide hydrochloride, TAK-272) as a highly potent and orally active renin inhibitor...
October 13, 2016: ACS Medicinal Chemistry Letters
Jinah Jang, Hun-Jun Park, Seok-Won Kim, Heejin Kim, Ju Young Park, Soo Jin Na, Hyeon Ji Kim, Moon Nyeo Park, Seung Hyun Choi, Sun Hwa Park, Sung Won Kim, Sang-Mo Kwon, Pum-Joon Kim, Dong-Woo Cho
Stem cell therapy is a promising therapeutic method for the treatment of ischemic heart diseases; however, some challenges prohibit the efficacy after cell delivery due to hostile microenvironment of the injured myocardium. 3D printed pre-vascularized stem cell patch can enhance the therapeutic efficacy for cardiac repair through promotion of rapid vascularization after patch transplantation. In this study, stem cell-laden decellularized extracellular matrix bioinks are used in 3D printing of pre-vascularized and functional multi-material structures...
October 14, 2016: Biomaterials
Marion Tegethoff, Esther Stalujanis, Angelo Belardi, Gunther Meinlschmidt
BACKGROUND: The objective was to estimate temporal associations between mental disorders and physical diseases in adolescents with mental-physical comorbidities. METHODS: This article bases upon weighted data (N = 6483) from the National Comorbidity Survey Adolescent Supplement (participant age: 13-18 years), a nationally representative United States cohort. Onset of Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition lifetime mental disorders was assessed with the fully structured World Health Organization Composite International Diagnostic Interview, complemented by parent report...
2016: PloS One
Saamir A Hassan, Syed Wamique Yusuf, Jyoti Sharma, Jasmine Khan, Michele Guindani, Vicente Valero, Mariana Chavez-McGregor, Jose Banchs
OBJECTIVES: To identify unique echocardiographic features that could be used to reliably predict LVEF recovery upon resolution of sinus tachycardia in patients with cancer. BACKGROUND: Sinus tachycardia may be a manifestation of underlying cardiomyopathy or can lead to a reversible form of dilated cardiomyopathy known as tachycardia-mediated cardiomyopathy. While distinguishing the two can be challenging, predicting recovery regardless of cause can be of significant clinical importance in the cancer population...
October 21, 2016: Echocardiography
Lois Choy, Jie Ming Yeo, Vivian Tse, Shing Po Chan, Gary Tse
The mouse is the second mammalian species, after the human, in which substantial amount of the genomic information has been analyzed. With advances in transgenic technology, mutagenesis is now much easier to carry out in mice. Consequently, an increasing number of transgenic mouse systems have been generated for the study of cardiac arrhythmias in ion channelopathies and cardiomyopathies. Mouse hearts are also amenable to physical manipulation such as coronary artery ligation and transverse aortic constriction to induce heart failure, radiofrequency ablation of the AV node to model complete AV block and even implantation of a miniature pacemaker to induce cardiac dyssynchrony...
September 2016: IJC Heart & Vasculature
Dongkyu Kim, Sook Hee Ku, Hyosuk Kim, Ji Hoon Jeong, Minhyung Lee, Ick Chan Kwon, Donghoon Choi, Sun Hwa Kim
Gene therapy is aimed at selectively knocking up or knocking down the target genes involved in the development of diseases. In many human diseases, dysregulation of disease-associated genes is occurred concurrently: some genes are abnormally turned up and some are turned down. In the field of non-viral gene therapy, plasmid DNA (pDNA) and small interfering RNA (siRNA) are suggested as representative regulation tools for activating and silencing the expression of genes of interest, representatively. Herein, we simultaneously loaded both siRNA (Src homology region 2 domain-containing tyrosine phosphatase-1 siRNA, siSHP-1) for anti-apoptosis and pDNA (hypoxia-inducible vascular endothelial growth factor expression vector, pHI-VEGF) for angiogenesis in a single polymeric nanocarrier and used to synergistically attenuate ischemia-reperfusion (IR)-induced myocardial infarction, which is mainly caused by dysregulating of cardiac apoptosis and angiogenesis...
October 17, 2016: Journal of Controlled Release: Official Journal of the Controlled Release Society
Jung-Won Lim
OBJECTIVE: The current study aimed to (1) identify the occurrence of comorbidities among Chinese- and Korean-American breast cancer survivors (BCS), (2) examine whether health-related quality of life (HRQOL) scores varied with the occurrence of specific comorbidities, and (3) investigate the mediating effect of comorbidities on the relationship between life stress and HRQOL. DESIGN: Data were drawn from the parent study, a cross-sectional study investigating HRQOL in 86 Chinese- and 71 Korean-American BCS in Southern California...
October 21, 2016: Ethnicity & Health
Parham Parto, Carl J Lavie, Ross Arena, Samantha Bond, Dejana Popovic, Hector O Ventura
The prevalence of obesity among adults and children worldwide has reached epic proportions and has become a major independent risk factor for the development of heart failure (HF), in addition to a contributor of hypertension and cardiovascular disease. The implications of obesity in the development of HF involve adverse effects on cardiac structure and function. Despite all of this, in the setting of chronic HF, excess body mass is associated with improved clinical outcomes, demonstrating the presence of an obesity paradox...
October 20, 2016: Future Cardiology
Abraham Speedie, Cinosh Mathew, Rashmi Kerr, Rajneesh Calton
Coronary artery anomalies include anomalies of origin, termination, structure or course. Coronary artery fistulae (CAF) are classified as abnormalities of termination and are considered a major congenital anomaly. A coronary artery fistula involves a sizable communication between a coronary artery, bypassing the myocardial capillary bed and entering either a chamber of the heart (coronary-cameral fistula) or a great vessel. Bilateral coronary artery fistula, are a rare variant. We describe a bilateral CAF with angina and significant coronary artery disease requiring percutaneous coronary intervention...
August 2016: Journal of the Association of Physicians of India
Saif Al-Najafi, Frank Sanchez, Stamatios Lerakis
Transcatheter valve interventions have emerged as one of the most important developments in structural heart disease over the past 20 years. Initially, these interventions were directed at patients with severe aortic stenosis and high surgical risk; however, their applications have extended to involve other native valves' pathologies, degenerated prosthetic valves, as well as patients of lower surgical risk. In this article, we discuss the importance of cardiac imaging in transcatheter aortic valve replacement (TAVR) by exploring the current practices, guidelines, and recommendations with the supporting data...
December 2016: Current Treatment Options in Cardiovascular Medicine
Taisuke Ishikawa, Yukiomi Tsuji, Naomasa Makita
Bradyarrhythmia is a common heart rhythm abnormality comprising number of diseases and is associated with decreased heart rate due to the failure of action potential generation and propagation at the sinus node. Permanent pacemaker implantation is often used therapeutically to compensate for decreased heart rate and cardiac output. The vast majority of bradyarrhythmia cases are attributable either to aging or to structural abnormalities of the cardiac conduction system, caused by underlying structural heart disease...
October 2016: Journal of Arrhythmia
M Palaniappan, Padmini V Usha, P Balamurugan, Sree P Sanbaka, B Vetriveeran, Hrudya Venugopal, S Rajesh, M Gayathri, M Raveendran
We report a case of isolated native tricuspid valve infective endocarditis caused by Coagulase Negative Staphylococcus in a non-IV drug abuser without structural heart disease. Early diagnosis and prompt initiation of appropriate treatment saved the patient without surgical intervention. The recent trend of Coagulase Negative Staphylococci (CoNS) causing native valve endocarditis (NVE) is reviewed with literature.
July 2016: Journal of the Association of Physicians of India
Nathan R Tucker, Saagar Mahida, Jiangchuan Ye, Elizabeth J Abraham, Julie A Mina, Victoria A Parsons, Michael A McLellan, Marisa A Shea, Alan Hanley, Emelia J Benjamin, David J Milan, Honghuang Lin, Patrick T Ellinor
BACKGROUND: The genetic basis of atrial fibrillation (AF) and congenital heart disease remains incompletely understood. OBJECTIVE: We sought to determine the causative mutation in a family with AF, atrial septal and ventricular septal defects. METHODS: We evaluated a pedigree with 16 family members, one with an atrial septal defect, one with a ventricular septal defect and three with AF; we performed whole exome sequencing in three affected family members...
October 15, 2016: Heart Rhythm: the Official Journal of the Heart Rhythm Society
Lindsey J Anstine, Chris Bobba, Samir Ghadiali, Joy Lincoln
Risk factors of heart valve disease are well defined and prolonged exposure throughout life leads to degeneration and dysfunction in up to 33% of the population. While aortic valve replacement remains the most common need for cardiovascular surgery particularly in those aged over 65, the underlying mechanisms of progressive deterioration are unknown. In other cardiovascular systems, a decline in endothelial cell integrity and function play a major role in promoting pathological changes, and while similar mechanisms have been speculated in the valves, studies to support this are lacking...
October 15, 2016: Journal of Molecular and Cellular Cardiology
Patrizia Salice, Mario Giovanni Bianchetti, Alessandra Giavarini, Erica Gondoni, Riccardo Cavalli, Anna Maria Colli, Federico Lombardi
Propranolol is becoming the treatment of choice for complicated infantile hemangioma. We report here data on peripheral blood flow, O2-saturation, electrocardiographic PR-interval, left ventricular function, blood pressure and heart rate that were assessed before and during treatment for ≥4 weeks with propranolol 2 mg/kg of body weight daily in 67 infants <12 months of age in normal sinus rhythm and with structurally normal hearts. Management with propranolol was well tolerated in all and did not modify peripheral blood flow, O2-saturation, electrocardiographic PR-interval and left ventricular fractional shortening or ejection fraction...
October 19, 2016: Pharmacology
Aneta Kruszec, Przemysław Kotyla
Systemic sclerosis (SSc) is coccenctive tissue disease characterized by progressive fibrosis of the skin and internal organs leading to their failure, autoimmune dysfunction and the morphological and functional changes in the blood vessels. Primary cardiac involvement is common for patients with SSc, and when it becomes clinically evident appears as a bad prognostic factor. There is increasing evidence that heart failure occurs as a result of repeated episodes of ischemia leading to focal irreversible myocardial fibrosis...
September 29, 2016: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
Christian Cadeddu, Valentina Mercurio, Paolo Spallarossa, Savina Nodari, Marco Triggiani, Ines Monte, Roberta Piras, Rosalinda Madonna, Pasquale Pagliaro, Carlo G Tocchetti, Giuseppe Mercuro
Because of the recent advances in chemotherapeutic protocols, cancer survival has improved significantly, although cardiovascular disease has become a major cause of morbidity and mortality among cancer survivors: in addition to the well-known cardiotoxicity (CTX) from anthracyclines, biologic drugs that target molecules that are active in cancer biology also interfere with cardiovascular homeostasis.Pharmacological and non-pharmacological strategies to protect the cardiovascular structure and function are the best approaches to reducing the prevalence of cardiomyopathy linked to anticancer drugs...
May 2016: Journal of Cardiovascular Medicine
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