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https://www.readbyqxmd.com/read/28214152/clinical-and-genetic-diagnosis-of-familial-hypertrophic-cardiomyopathy-results-in-pediatric-cardiology
#1
Bárbara Cardoso, Inês Gomes, Petra Loureiro, Conceição Trigo, Fátima Ferreira Pinto
INTRODUCTION: Hypertrophic cardiomyopathy (HCM) is most often of autosomal dominant inheritance with incomplete penetrance and variable expression. The main purpose of family screening is to identify relatives with unrecognized HCM and to monitor those at risk for disease, in order to minimize complications and to assess risk of sudden cardiac death. The ESC and ACCF/AHA guidelines on the diagnosis and management of HCM recommend the screening of child relatives from the age of 10-12 years...
February 14, 2017: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/28181471/phenotypic-variability-of-dystrophinopathy-symptomatic-female-carriers
#2
Ana Cotta, Julia Filardi Paim, Elmano Carvalho, Mônica Machado Navarro, Jaquelin Valicek, Antonio Lopes da-Cunha-Junior, Miriam Melo Menezes, Simone Vilela Nunes, Rafael Xavier-Neto, Eni Braga da Silveira, Cynthia Costa-E-Silva, Reinaldo Issao Takata, Antonio Pedro Vargas
BACKGROUND: Dystrophinopathies are X-linked muscular dystrophies characterized by pathogenic mutations in the dystrophin gene. Symptomatic dystrophinopathy female carriers may present with limb-girdle weakness. The diagnosis may be challenging in the absence of affected male relatives. We aimed to describe the phenotypic variability in a series of molecular-confirmed female dystrophinopathy patients. METHODS: This is a retrospective analysis of medical records from 1997 to 2015...
February 9, 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/28154736/optimizing-stem-cells-for-cardiac-repair-current-status-and-new-frontiers-in-regenerative-cardiology
#3
REVIEW
Shant Der Sarkissian, Thierry Lévesque, Nicolas Noiseux
Cell therapy has the potential to improve healing of ischemic heart, repopulate injured myocardium and restore cardiac function. The tremendous hope and potential of stem cell therapy is well understood, yet recent trials involving cell therapy for cardiovascular diseases have yielded mixed results with inconsistent data thereby readdressing controversies and unresolved questions regarding stem cell efficacy for ischemic cardiac disease treatment. These controversies are believed to arise by the lack of uniformity of the clinical trial methodologies, uncertainty regarding the underlying reparative mechanisms of stem cells, questions concerning the most appropriate cell population to use, the proper delivery method and timing in relation to the moment of infarction, as well as the poor stem cell survival and engraftment especially in a diseased microenvironment which is collectively acknowledged as a major hindrance to any form of cell therapy...
January 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/28102864/transthyretin-v122i-pv142i-cardiac-amyloidosis-an-age-dependent-autosomal-dominant-cardiomyopathy-too-common-to-be-overlooked-as-a-cause-of-significant-heart-disease-in-elderly-african-americans
#4
REVIEW
Joel N Buxbaum, Frederick L Ruberg
Since the identification of a valine-to-isoleucine substitution at position 122 (TTR V122I; pV142I) in the transthyretin (TTR)-derived fibrils extracted from the heart of a patient with late-onset cardiac amyloidosis, it has become clear that the amyloidogenic mutation and the disease occur almost exclusively in individuals of identifiable African descent. In the United States, the amyloidogenic allele frequency is 0.0173 and is carried by 3.5% of community-dwelling African Americans. Genotyping across Africa indicates that the origin of the allele is in the West African countries that were the major source of the slave trade to North America...
January 19, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28057368/genomic-translational-research-paving-the-way-to-individualized-cardiac-functional-analyses-and-personalized-cardiology
#5
REVIEW
Ares Pasipoularides
For most of Medicine's past, the best that physicians could do to cope with disease prevention and treatment was based on the expected response of an average patient. Currently, however, a more personalized/precise approach to cardiology and medicine in general is becoming possible, as the cost of sequencing a human genome has declined substantially. As a result, we are witnessing an era of precipitous advances in biomedicine and bourgeoning understanding of the genetic basis of cardiovascular and other diseases, reminiscent of the resurgence of innovations in physico-mathematical sciences and biology-anatomy-cardiology in the Renaissance, a parallel time of radical change and reformation of medical knowledge, education and practice...
March 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/27996317/cardiac-arrest-with-clozapine-and-olanzapine-revealing-long-qt-syndrome
#6
Edward Woloszyn, Nishant Whig, Eileen Trigoboff, Jeffery J Grace
The authors describe a rare case of "concealed" congenital Long QT Syndrome (LQTS) Type 3 in a patient with treatment resistant schizophrenia and no known personal or family history of cardiac disease. The patient in this Case Report had a hidden genetic condition revealed only following the essential administration of antipsychotics. As a result, this patient experienced an aborted cardiac arrest and a total of five episodes of ventricular tachycardia (VT) requiring cardioversion. Successful control of the VT occurred with an Automatic Internal Defibrillator (AID), judicious use of antipsychotic medications, and anti-arrhythmic medications...
December 20, 2016: Clinical Schizophrenia & related Psychoses
https://www.readbyqxmd.com/read/27910804/sudden-cardiac-death-a-nationwide-cohort-study-among-the-young
#7
Bjarke Risgaard
Sudden cardiac death (SCD) is a tragic event affecting millions of individuals worldwide. Although several studies have investigated the epidemiology of SCD, these studies may have been affected by reporting and referral biases, which are reflected in the very different incidence rates and causes of deaths that have previously been reported. Among SCD victims aged < 36 years, inherited cardiac diseases are well known to play an important role. However, the extent to which inherited cardiac diseases also play a role in SCD victims aged < 50 years has not been completely described...
December 2016: Danish Medical Journal
https://www.readbyqxmd.com/read/27901040/follow-up-care-by-a-genetic-counsellor-for-relatives-at-risk-for-cardiomyopathies-is-cost-saving-and-well-appreciated-a-randomised-comparison
#8
Karin Nieuwhof, Erwin Birnie, Maarten P van den Berg, Rudolf A de Boer, Paul L van Haelst, J Peter van Tintelen, Irene M van Langen
Increasing numbers of patient relatives at risk of developing dilated or hypertrophic cardiomyopathy (DCM/HCM) are being identified and followed up by cardiologists according to the ACC/ESC guidelines. However, given limited healthcare resources, good-quality low-cost alternative approaches are needed. Therefore, we have compared conventional follow-up by a cardiologist with that provided at a cardiogenetic clinic (CGC) led by a genetic counsellor. Phenotype-negative first-degree relatives at risk for DCM/HCM were randomly assigned to see either a cardiologist or to attend a CGC...
February 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/27790050/arrhythmogenic-right-ventricular-dysplasia-in-neuromuscular-disorders
#9
REVIEW
Josef Finsterer, Claudia Stöllberger
OBJECTIVES: Arrhythmogenic right ventricular dysplasia (ARVD) is a rare, genetic disorder predominantly affecting the right ventricle. There is increasing evidence that in some cases, ARVD is due to mutations in genes, which have also been implicated in primary myopathies. This review gives an overview about myopathy-associated ARVD and how these patients can be managed. METHODS: A literature review was done using appropriate search terms. RESULTS: The myopathy, which is most frequently associated with ARVD, is the myofibrillar myopathy due to desmin mutations...
2016: Clinical Medicine Insights. Cardiology
https://www.readbyqxmd.com/read/27785341/sex-and-gender-medicine-in-physician-clinical-training-results-of-a-large-single-center-survey
#10
Shivani Dhawan, May Bakir, Erika Jones, Sarah Kilpatrick, C Noel Bairey Merz
BACKGROUND: "Sex and Gender Medicine" is a novel medical discipline that takes into account the effects of sex and gender on the health of women and men. The Institute of Medicine in the USA declared in its 2001 and 2010 statements that being a woman or a man significantly impacts the course of diseases, and therefore, this fact must be considered in diagnosis and therapy. We evaluated the representation of Sex and Gender Medicine in clinical training at Cedars-Sinai Medical Center, a large, tertiary, non-profit, academic medical training center in the Western United States...
2016: Biology of Sex Differences
https://www.readbyqxmd.com/read/27760444/-pathobiology-pathology-and-genetics-of-pulmonary-hypertension-recommendations-of-the-cologne-consensus-conference-2016
#11
A Olschewski, E M Berghausen, C A Eichstaedt, B K Fleischmann, E Grünig, G Grünig, G Hansmann, L Harbaum, J K Hennigs, D Jonigk, W M Kübler, G Kwapiszewska, S S Pullamsetti, E Stacher, N Weissmann, D Wenzel, R T Schermuly
The 2015 European Guidelines on Diagnosis and Treatment of Pulmonary Hypertension (PH) are also valid for Germany. While the guidelines contain detailed recommendations regarding clinical aspects of pulmonary arterial hypertension (PAH) and other forms of PH, they contain only a relatively short paragraph on novel findings on the pathobiology, pathology, and genetics. However, these are of great importance for our understanding of this complex disease both from a clinical and scientific point of view, and they are essential for the development of novel treatment strategies...
October 2016: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/27668809/kawasaki-disease-at-50-years
#12
Ezra Cohen, Robert Sundel
Importance: Kawasaki disease (KD) is the most recognized vasculitis of childhood. The condition's characteristic high fever, rash, mucositis, conjunctivitis, lymphadenopathy, and extremity changes are superficially unexceptional, and resolve spontaneously within a mean of 12 days. It is the acuity and the potential for life-changing damage to the coronary arteries that distinguish KD from conditions that mimic it and exemplify the unique aspects and challenges of vascular inflammation in children...
November 1, 2016: JAMA Pediatrics
https://www.readbyqxmd.com/read/27617263/the-role-of-genetic-testing-in-the-identification-of-young-athletes-with-inherited-primitive-cardiac-disorders-at-risk-of-exercise-sudden-death
#13
REVIEW
Francesco Danilo Tiziano, Vincenzo Palmieri, Maurizio Genuardi, Paolo Zeppilli
Although relatively rare, inherited primitive cardiac disorders (IPCDs) in athletes have a deep social impact since they often present as sudden cardiac death (SCD) of young and otherwise healthy persons. The diagnosis of these conditions is likely underestimated due to the lack of shared clinical criteria and to the existence of several borderline clinical pictures. We will focus on the clinical and molecular diagnosis of the most common IPCDs, namely hypertrophic cardiomyopathies, long QT syndrome, arrhythmogenic right ventricular cardiomyopathy, and left ventricular non-compaction...
2016: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/27585509/genetic-screening-of-anderson-fabry-disease-in-probands-referred-from-multispecialty-clinics
#14
Valentina Favalli, Eliana Disabella, Mariadelfina Molinaro, Marilena Tagliani, Anna Scarabotto, Alessandra Serio, Maurizia Grasso, Nupoor Narula, Carmela Giorgianni, Clelia Caspani, Monica Concardi, Manuela Agozzino, Calogero Giordano, Alexandra Smirnova, Takahide Kodama, Lorenzo Giuliani, Elena Antoniazzi, Riccardo G Borroni, Camilla Vassallo, Filippo Mangione, Laura Scelsi, Stefano Ghio, Carlo Pellegrini, Marialuisa Zedde, Laura Fancellu, GianPietro Sechi, Antonello Ganau, Stefania Piga, Annarita Colucci, Daniela Concolino, Maria Teresa Di Mascio, Danilo Toni, Marina Diomedi, Claudio Rapezzi, Elena Biagini, Massimiliano Marini, Maurizia Rasura, Maurizio Melis, Antonia Nucera, Donata Guidetti, Michelangelo Mancuso, Umberto Scoditti, Pamela Cassini, Jagat Narula, Luigi Tavazzi, Eloisa Arbustini
BACKGROUND: Anderson-Fabry disease (AFD) is a rare X-linked lysosomal storage disease, caused by defects of the alpha-galactosidase A (GLA) gene. AFD can affect the heart, brain, kidney, eye, skin, peripheral nerves, and gastrointestinal tract. Cardiology (hypertrophic cardiomyopathy), neurology (cryptogenic stroke), and nephrology (end-stage renal failure) screening studies suggest the prevalence of GLA variants is 0.62%, with diagnosis confirmation in 0.12%. OBJECTIVES: This study sought to expand screening from these settings to include ophthalmology, dermatology, gastroenterology, internal medicine, pediatrics, and medical genetics to increase diagnostic yield and comprehensively evaluate organ involvement in AFD patients...
September 6, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27572719/pharmacological-treatments-for-friedreich-ataxia
#15
REVIEW
Mary Kearney, Richard W Orrell, Michael Fahey, Ruth Brassington, Massimo Pandolfo
BACKGROUND: Friedreich ataxia is a rare inherited autosomal recessive neurological disorder, characterised initially by unsteadiness in standing and walking, slowly progressing to wheelchair dependency usually in the late teens or early twenties. It is associated with slurred speech, scoliosis, and pes cavus. Heart abnormalities cause premature death in 60% of people with the disorder. There is no easily defined clinical or biochemical marker and no known treatment. This is the second update of a review first published in 2009 and previously updated in 2012...
August 30, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27572422/genetics-of-cardiovascular-diseases-lessons-learned-from-a-decade-of-genomics-research-in-iceland
#16
David O Arnar, Karl Andersen, Gudmundur Thorgeirsson
In the past 10 years, large-scale genotyping has led to discoveries of sequence variants that confer the risk of many common and complex diseases. Due to pioneering work done, in large part, at deCODE genetics in Reykjavik, discoveries from Iceland have contributed substantially to key advances in population genetics. In cardiovascular medicine, a number of discoveries have been made, uncovering sequence variants that are associated with disorders such as coronary artery disease, atrial fibrillation, sick sinus syndrome, peripheral vascular disease, aortic aneurysm, and ischemic stroke...
October 2016: Scandinavian Cardiovascular Journal: SCJ
https://www.readbyqxmd.com/read/27555292/transgenerational-cardiology-one-way-to-a-baby-s-heart-is-through-the-mother
#17
Patrick Y Jay, Ehiole Akhirome, Rachel A Magnan, M Rebecca Zhang, Lillian Kang, Yidan Qin, Nelson Ugwu, Suk Dev Regmi, Julie M Nogee, James M Cheverud
Despite decades of progress, congenital heart disease remains a major cause of mortality and suffering in children and young adults. Prevention would be ideal, but formidable biological and technical hurdles face any intervention that seeks to target the main causes, genetic mutations in the embryo. Other factors, however, significantly modify the total risk in individuals who carry mutations. Investigation of these factors could lead to an alternative approach to prevention. To define the risk modifiers, our group has taken an "experimental epidemiologic" approach via inbred mouse strain crosses...
November 5, 2016: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/27541948/oncocardiology-past-present-and-future-a-review
#18
Edward T H Yeh, Hui-Ming Chang
Importance: Oncocardiology is a medical discipline that focuses on the identification, prevention, and treatment of cardiovascular complications related to cancer therapy. This discipline has gained interest from the cardiology community in recent years because of a remarkable increase in the number of cancer survivors and the proliferation of new cancer therapies causing cardiovascular complications, such as hypertension, heart failure, vascular complications, and cardiac arrhythmia...
December 1, 2016: JAMA Cardiology
https://www.readbyqxmd.com/read/27536078/factors-affecting-the-development-of-adverse-drug-reactions-to-%C3%AE-blockers-in-hospitalized-cardiac-patient-population
#19
Snežana Mugoša, Nataša Djordjević, Nina Djukanović, Dragana Protić, Zoran Bukumirić, Ivan Radosavljević, Aneta Bošković, Zoran Todorović
The aim of the present study was to undertake a study on the prevalence of cytochrome P450 2D6 (CYP2D6) poor metabolizer alleles (*3, *4, *5, and *6) on a Montenegrin population and its impact on developing adverse drug reactions (ADRs) of β-blockers in a hospitalized cardiac patient population. A prospective study was conducted in the Cardiology Center of the Clinical Center of Montenegro and included 138 patients who had received any β-blocker in their therapy. ADRs were collected using a specially designed questionnaire, based on the symptom list and any signs that could point to eventual ADRs...
2016: Patient Preference and Adherence
https://www.readbyqxmd.com/read/27521086/role-of-genetic-testing-in-patients-with-ventricular-arrhythmias-in-apparently-normal-hearts
#20
REVIEW
Nynke Hofman, Arthur A M Wilde
Ventricular arrhythmias without structural heart disease are responsible for ∼35% of patients who have sudden cardiac death before the age of 40 years. Molecular autopsy and/or cardiological investigation of nearby family members often reveals the diagnosis and genetic testing can be helpful in family screening and risk stratification in disease carriers. Extended gene panels can be screened in a short period of time at low cost. A multidisciplinary team of (genetically) specialized clinicians is necessary to judge all the available details and to decide on the significance of the variant and further strategies...
September 2016: Cardiac Electrophysiology Clinics
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