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https://www.readbyqxmd.com/read/28714947/long-term-systolic-function-in-children-and-young-adults-after-hematopoietic-stem-cell-transplant
#1
S J Rotz, C E Dandoy, M D Taylor, S Jodele, J L Jefferies, A Lane, J A El-Bietar, A W Powell, S M Davies, T D Ryan
Congestive heart failure and subclinical left ventricular systolic dysfunction (LVSD) affect long-term survivors of hematopoietic stem cell transplant (HSCT). Echocardiographic measurements of global longitudinal and circumferential strain have shown promise in identifying subclinical LVSD in cancer survivors. We analyzed echocardiograms in 95 children and young adults with malignancies or bone marrow failure syndromes performed before HSCT and 1-6 years after HSCT. We additionally measured the biomarkers soluble suppression of tumorigenicity-2 (sST-2) and cardiac troponin-I (cTn-I) in the same children through 49 days post HSCT...
July 17, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28714796/effect-of-bariatric-surgery-on-heart-failure
#2
Marcela Rodriguez Flores, Carlos Aguilar Salinas, Marie-Eve Piché, Audrey Auclair, Paul Poirier
Obesity increases the risk of heart failure (HF), which continues to be a significant proportion of all cardiovascular diseases and affects increasingly younger populations. The cross-talk between adipose and the heart involves insulin resistance, adipokine signaling and inflammation, with the capacity of adipose tissue to mediate hemodynamic signals, promoting progressive cardiomyopathy. Areas covered: From a therapeutic perspective, there is not yet a single obesity-related pathway that when addressed, can ameliorate cardiomyopathy in obese patients and this is a matter of ongoing research...
July 17, 2017: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/28711453/a-roadmap-for-evaluating-the-use-and-value-of-durable-ventricular-assist-device-therapy
#3
EDITORIAL
Sarah T Ward, Qixing Liang, Francis D Pagani, Min Zhang, Robert L Kormos, Keith D Aaronson, Andrew D Althouse, Brahmajee K Nallamothu, Donald S Likosky
Heart failure is a disease characterized by profound human suffering with limitations in survival despite treatment with guideline-directed medical therapies. Patients with heart failure frequently progress to advanced stages and often require cardiac transplantation or implantation of left ventricular assist devices (LVADs) to extend survival and improve quality of life. As the number of suitable heart donors, number of experienced medical centers and patient comorbidities place restrictions on the feasibility of cardiac transplantation, implantation of LVADs has emerged as a more frequently applied treatment as either a bridge to transplantation or as permanent therapy...
June 23, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28708333/conversion-from-calcineurin-inhibitors-to-mtor-inhibitors-as-primary-immunosuppressive-drugs-in-pediatric-heart-transplantation
#4
Alfred Asante-Korang, Jennifer Carapellucci, Diane Krasnopero, Abigail Doyle, Brian Brown, Ernest Amankwah
There are only a few reports of successful use of mammalian target of rapamycin (mTORI) as primary immunosuppression in pediatric heart transplantation. Compared to calcineurin inhibitors, mTORI have less side effects, especially nephrotoxicity, infections and malignancies. A retrospective study was conducted at our institution of all 170 heart transplants from 1995-2015. Nineteen patients were switched from tacrolimus(n=15) or cyclosporin(n=4) to everolimus(n=4) or sirolimus(n=15) due to nephrotoxicity(n=5), malignancy(n=8), EBV viremia/reactive plasmacytic changes(n=5) and immune hemolytic anemia(n=1)...
July 14, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28706871/tricuspid-valve-regurgitation-after-heart-transplantation
#5
Murray H Kwon, Richard J Shemin
Tricuspid valve regurgitation (TVR) in the orthotopic heart transplant (OHT) recipient is quite common and has varied clinical sequelae. In its severest forms, it can lead to right-sided failure symptoms indistinguishable from that seen in native heart TVR disease. While certain implantation techniques are widely recognized to reduce the risk of TVR in the cardiac allograft, concomitant tricuspid annuloplasty, while having advocates, is not currently accepted as a routinely established adjunct. Decisions to surgically correct TVR in the OHT recipient must be made carefully, as certain clinical scenarios have high risk of failure...
May 2017: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28706864/surgical-outcomes-of-isolated-tricuspid-valve-procedures-repair-versus-replacement
#6
Julius I Ejiofor, Robert C Neely, Maroun Yammine, Siobhan McGurk, Tsuyoshi Kaneko, Marzia Leacche, Lawrence H Cohn, Prem S Shekar
BACKGROUND: Isolated tricuspid valve (ITV) operations are infrequent and the decision to operate is controversial. We report a series of ITV operations to outline the current disease status requiring this uncommon procedure with an emphasis on the results of tricuspid valve repair (TVr) versus replacement (TVR). METHODS: Using our prospective cardiac surgery database, 57 patients who underwent ITV operations between 01/02-03/14 were identified. Median follow up time was 3...
May 2017: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28705316/cell-specific-pathways-supporting-persistent-fibrosis-in-heart-failure
#7
Stephen D Farris, Creighton Don, Deri Helterline, Christopher Costa, Tabitha Plummer, Susanne Steffes, Claudius Mahr, Nahush A Mokadam, April Stempien-Otero
BACKGROUND: Only limited data exist describing the histologic and noncardiomyocyte function of human myocardium in end-stage heart failure (HF). OBJECTIVES: The authors sought to determine changes in noncardiomyocyte cellular activity in patients with end-stage HF after left ventricular assist device (LVAD)-induced remodeling to identify mechanisms impeding recovery. METHODS: Myocardium was obtained from subjects undergoing LVAD placement and/or heart transplantation...
July 18, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28705053/cardiac-amyloidosis-pathogenesis-clinical-context-diagnosis-and-management-options
#8
Hassan Alkhawam, Darshan Patel, James Nguyen, Saumya Mariam Easaw, Mohammed Al-Sadawi, Umer Syed, Feras Zaiem, Maher Homsi, Timothy J Vittorio
Amyloidosis covers a group of disorders that can manifest in virtually any organ system in the body and is thought to be secondary to misfolding of extracellular proteins with subsequent deposition in tissues. The precursor protein that is produced in excess defines the specific amyloid type. This requires histopathological confirmation using Congo-red dye with its characteristic demonstration of green birefringence under cross-polarized light. There are three main types of amyloidosis associated with cardiac involvement: light-chain (AL), familial or senile (ATTR), and secondary (AA) amyloidosis...
July 14, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28704488/soluble-st2-does-not-change-cardiovascular-risk-prediction-compared-to-cardiac-troponin-t-in-kidney-transplant-candidates
#9
Mira T Keddis, Ziad El-Zoghby, Bruce Kaplan, Jeffrey W Meeusen, Leslie J Donato, Fernando G Cosio, D Eric Steidley
BACKGROUND: Solubility of Tumorigenicity 2 (sST2) is a novel biomarker that better stratifies risk of cardiovascular events (CVE) compared to cardiac troponin T(cTnT) in heart failure. We assessed the association of sST2 with the composite outcome of CVE and/or mortality compared to cTnT in kidney transplant candidates. METHODS: 200 kidney transplant candidates between 2010 and 2013 were included. Elevated sST2 was defined as ≥30ng/ml, cTnT≥0.01 ng/ml. RESULTS: Median age 53 (interquartile range (IQR) 42-61) years, 59...
2017: PloS One
https://www.readbyqxmd.com/read/28704074/quantifying-the-relative-importance-to-patients-of-avoiding-symptoms-and-outcomes-of-heart-failure
#10
A Brett Hauber, Engels N Obi, Mark A Price, Diane Whalley, Chun-Lan Chang
OBJECTIVE: To evaluate heart failure (HF) patients' disease knowledge and preferences for avoiding different disease outcomes. METHODS: An online survey was administered to 400 individuals with a self-reported diagnosis of HF to elicit relative importance weights (RIWs) for avoiding 11 potential HF symptoms and outcomes using best-worst scaling. The survey also included questions about individuals' HF knowledge, and demographic and disease-experience characteristics...
July 13, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28703300/a-point-based-prediction-model-for-cardiovascular-risk-in-orthotopic-liver-transplantation-the-car-olt-score
#11
Lisa B VanWagner, Hongyan Ning, Maureen Whitsett, Josh Levitsky, Sarah Uttal, John T Wilkins, Michael M Abecassis, Daniela P Ladner, Anton I Skaro, Donald M Lloyd-Jones
Cardiovascular disease (CVD) complications are important causes of morbidity and mortality after orthotopic liver transplantation (OLT). There is currently no preoperative risk assessment tool that allows physicians to estimate the risk for CVD events following OLT. We sought to develop a point-based prediction model (risk score) for CVD complications after OLT, the CAR-OLT risk score, among a cohort of 1024 consecutive patients aged 18-75 years who underwent first OLT in a tertiary-care teaching hospital (2002-2011)...
July 13, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28690296/prevalence-and-spectrum-of-nkx2-5-mutations-associated-with-sporadic-adult-onset-dilated-cardiomyopathy
#12
Jia-Hong Xu, Jian-Yun Gu, Yu-Han Guo, Hong Zhang, Xing-Biao Qiu, Ruo-Gu Li, Hong-Yu Shi, Hua Liu, Xiao-Xiao Yang, Ying-Jia Xu, Xin-Kai Qu, Yi-Qing Yang
Dilated cardiomyopathy (DCM), the most common form of primary myocardial disease, is a leading cause of congestive heart failure and the most common indication for heart transplantation. Recently, NKX2-5 mutations have been involved in the pathogenesis of familial DCM. However, the prevalence and spectrum of NKX2-5 mutations associated with sporadic DCM remain to be evaluated. In this study, the coding regions and flanking introns of the NKX2-5 gene, which encodes a cardiac transcription factor pivotal for cardiac development and structural remodeling, were sequenced in 210 unrelated patients with sporadic adult-onset DCM...
July 10, 2017: International Heart Journal
https://www.readbyqxmd.com/read/28689515/rapidly-progressive-heart-failure-requiring-transplantation-in-muscular-dystrophy-a-need-for-frequent-screening
#13
Justin M Pick, Zachary D Ellis, Juan C Alejos, Anthony C Chang
Fukuyama congenital muscular dystrophy weakens both skeletal and cardiac muscles, but the rate of cardiomyopathic progression can accelerate faster than that of skeletal muscles. A 14-year-old boy with Fukuyama congenital muscular dystrophy presented with mild skeletal myopathy but severe cardiomyopathy requiring heart transplantation within 1 year of declining heart function. These patients need frequent screening regardless of musculoskeletal symptoms.
July 10, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28688053/animal-models-of-arrhythmogenic-right-ventricular-cardiomyopathy-what-have-we-learned-and-where-do-we-go-insight-for-therapeutics
#14
REVIEW
Laura Padrón-Barthe, Fernando Domínguez, Pablo Garcia-Pavia, Enrique Lara-Pezzi
Arrhythmogenic right ventricular cardiomyopathy (ARVC) is a rare genetically-determined cardiac heart muscle disorder characterized by fibro-fatty replacement of the myocardium that results in heart failure and sudden cardiac death (SCD), predominantly in young males. The disease is often caused by mutations in genes encoding proteins of the desmosomal complex, with a significant minority caused by mutations in non-desmosomal proteins. Existing treatment options are based on SCD prevention with the implantable cardioverter defibrillator, antiarrhythmic drugs, and anti-heart failure medication...
September 2017: Basic Research in Cardiology
https://www.readbyqxmd.com/read/28687124/role-of-global-longitudinal-strain-in-predicting-outcomes-in-hypertrophic-cardiomyopathy
#15
Hongyun Liu, Iraklis Pozios, Bereketeab Haileselassie, Alexandra Nowbar, Lars L Sorensen, Susan Phillip, Dai-Yin Lu, Ioannis Ventoulis, Hongchang Luo, M Roselle Abraham, Theodore P Abraham
Global longitudinal strain (GLS) is a sensitive indicator of global left ventricular function particularly in those with normal ejection fraction. We examined the potential value of GLS in predicting outcomes in hypertrophic cardiomyopathy (HC). Conventional and strain echocardiography was performed in 400 patients with HC followed for a median 3.1 years (interquartile range 1.2 to 5.6). Peak systolic strain from 3 apical views was averaged to calculate GLS. Patients were divided based on a previously published cutoff value of -16%...
May 30, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28684436/major-adverse-events-and-atrial-tachycardia-in-ebstein-s-anomaly-predicted-by-cardiovascular-magnetic-resonance
#16
Riikka Rydman, Yumi Shiina, Gerhard-Paul Diller, Koichiro Niwa, Wei Li, Hideki Uemura, Anselm Uebing, Umberto Barbero, Beatriz Bouzas, Sabine Ernst, Tom Wong, Dudley J Pennell, Michael A Gatzoulis, Sonya V Babu-Narayan
OBJECTIVES: Patients with Ebstein's anomaly of the tricuspid valve (EA) are at risk of tachyarrhythmia, congestive heart failure and sudden cardiac death. We sought to determine the value of cardiovascular magnetic resonance (CMR) for predicting these outcomes. METHODS: Seventy-nine consecutive adult patients (aged 37±15 years) with unrepaired EA underwent CMR and were followed prospectively for a median 3.4 (range 0.4-10.9) years for clinical outcomes, namely major adverse cardiovascular events (MACEs: sustained ventricular tachycardia/heart failure hospital admission/cardiac transplantation/death) and first-onset atrial tachyarrhythmia (AT)...
July 6, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28678923/cardiac-amyloidosis-and-its-new-clinical-phenotype-heart-failure-with-preserved-ejection-fraction
#17
Evandro Tinoco Mesquita, Antonio José Lagoeiro Jorge, Celso Vale Souza, Thais Ribeiro de Andrade
Heart failure with preserved ejection fraction (HFpEF) is now an emerging cardiovascular epidemic, being identified as the main phenotype observed in clinical practice. It is more associated with female gender, advanced age and comorbidities such as hypertension, diabetes, obesity and chronic kidney disease. Amyloidosis is a clinical disorder characterized by the deposition of aggregates of insoluble fibrils originating from proteins that exhibit anomalous folding. Recently, pictures of senile amyloidosis have been described in patients with HFpEF, demonstrating the need for clinical cardiologists to investigate this etiology in suspect cases...
June 29, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28676926/the-infant-with-aortic-arch-hypoplasia-and-small-left-heart-structures-echocardiographic-indices-of-mitral-and-aortic-hypoplasia-predicting-successful-biventricular-repair
#18
Jennifer M Plymale, Peter C Frommelt, Melodee Nugent, Pippa Simpson, James S Tweddell, Amanda J Shillingford
In infants with aortic arch hypoplasia and small left-sided cardiac structures, successful biventricular repair is dependent on the adequacy of the left-sided structures. Defining accurate thresholds of echocardiographic indices predictive of successful biventricular repair is paramount to achieving optimal outcomes. We sought to identify pre-operative echocardiographic indices of left heart size that predict intervention-free survival in infants with small left heart structures undergoing primary aortic arch repair to establish biventricular circulation (BVC)...
July 4, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28669488/prognostic-significance-of-discharge-hyponatremia-in-heart-failure-patients-with-normal-admission-sodium-from-the-escape-trial
#19
Hesham R Omar, Richard Charnigo, Maya Guglin
Hyponatremia in acute decompensated heart failure (HF) is indicative of a poor prognosis and predicts morbidity and mortality. We explored the predictive utility of hyponatremia at the time of hospital discharge among HF patients with normal admission sodium (Na). Characteristics and outcomes of HF patients enrolled in the Evaluation Study of Congestive Heart Failure and Pulmonary Artery Catheterization Effectiveness trial, who had normal Na on admission, were compared between those who were hyponatremic (Na <135 meq/L) or normonatremic on discharge...
May 30, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28669108/novel-genetic-variants-in-bag3-and-tnnt2-in-a-swedish-family-with-a-history-of-dilated-cardiomyopathy-and-sudden-cardiac-death
#20
Eva Fernlund, A Wålinder Österberg, E Kuchinskaya, M Gustafsson, K Jansson, C Gunnarsson
Familial dilated cardiomyopathy is a rare cause of dilated cardiomyopathy (DCM), especially in childhood. Our aim was to describe the clinical course and the genetic variants in a family where the proband was a four-month-old infant presenting with respiratory problems due to DCM. In the family, there was a strong family history of DCM and sudden cardiac death in four generations. DNA was analyzed initially from the deceased girl using next-generation sequencing including 50 genes involved in cardiomyopathy...
July 1, 2017: Pediatric Cardiology
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