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https://www.readbyqxmd.com/read/29017566/right-ventricular-functional-analysis-utilizing-first-pass-radionuclide-angiography-for-pre-operative-ventricular-assist-device-planning-a-multi-modality-comparison
#1
Ryan Avery, Kevin Day, Clinton Jokerst, Toshinobu Kazui, Elizabeth Krupinski, Zain Khalpey
BACKGROUND: Advanced heart failure treated with a left ventricular assist device is associated with a higher risk of right heart failure. Many advanced heart failures patients are treated with an ICD, a relative contraindication to MRI, prior to assist device placement. Given this limitation, left and right ventricular function for patients with an ICD is calculated using radionuclide angiography utilizing planar multigated acquisition (MUGA) and first pass radionuclide angiography (FPRNA), respectively...
October 10, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28988308/improving-the-role-of-echocardiography-in-studying-the-right-ventricle-of-repaired-tetralogy-of-fallot-patients-comparison-with-cardiac-magnetic-resonance
#2
Carolina D'Anna, Armando Caputi, Benedetta Natali, Benedetta Leonardi, Aurelio Secinaro, Gabriele Rinelli, Alessia Del Pasqua, Claudia Esposito, Adriano Carotti, Fabrizio Drago, Marcello Chinali
Right ventricular (RV) evaluation represents one of the major clinical tasks in the follow-up of repaired tetralogy of Fallot patients (rToF) with pulmonary valve regurgitation, as both severe RV dilatation and dysfunction are key factors in defining the need of pulmonary valve replacement. The aim of our study was to report the diagnostic accuracy of echocardiography in the identification of rToF patients with severely dilated and/or depressed RV as compared to cardiac magnetic resonance (CMR). Among our patients with rToF, a subgroup of 95 (17...
October 7, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28983853/the-effect-of-pericardial-incision-on-right-ventricular-systolic-function-a-prospective-observational-study
#3
Charles J Bitcon, Claude Tousignant
BACKGROUND: Echocardiographic longitudinal markers of right ventricular (RV) systolic function are commonly depressed after coronary artery bypass graft surgery (CABG) despite an uncomplicated course and good clinical recovery. The exact timing and cause of these changes is unknown. The aim of this observational study was to monitor echocardiographic markers of RV systolic function intraoperatively during CABG. We used angle-independent speckle tracking to measure the primary endpoints of tricuspid annular plane systolic excursion (TAPSE) and tricuspid annular systolic velocity (S') before and after pericardiotomy...
October 5, 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/28977357/right-ventricular-function-assessed-by-2d-strain-analysis-predicts-ventricular-arrhythmias-and-sudden-cardiac-death-in-patients-after-acute-myocardial-infarction
#4
Niels Risum, Nana Valeur, Peter Søgaard, Christian Hassager, Lars Køber, Mads Ersbøll
Aims: Left ventricular function is a well-established predictor of malignant ventricular arrhythmias, but little is known about the importance of right ventricular (RV) function. The aim of this study was to investigate the importance of RV function for prediction of sudden cardiac death (SCD) or malignant ventricular arrhythmias (VAs) after acute myocardial infarction (MI). Methods and results: A total of 790 patients with acute MI were prospectively included. All patients had 2D strain echocardiography performed to evaluate right ventricular (RV) free wall strain (RVS) and RV mechanical dispersion (MD) defined as the standard deviation of time to peak negative strain in all myocardial segments...
July 31, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28966042/pregnancy-in-women-with-corrected-aortic-coarctation-uteroplacental-doppler-flow-and-pregnancy-outcome
#5
Anne S Siegmund, Marlies A M Kampman, Caterina M Bilardo, Ali Balci, Arie P J van Dijk, Martijn A Oudijk, Barbara J M Mulder, Jolien W Roos-Hesselink, Gertjan Tj Sieswerda, Steven V Koenen, Krystyna M Sollie-Szarynska, Tjark Ebels, Dirk J van Veldhuisen, Petronella G Pieper
OBJECTIVE: Women with repaired coarctation of the aorta (rCoA) are at risk of hypertensive disorders and other complications during pregnancy. Hypertensive disorders in pregnant women are associated with inadequate uteroplacental flow, which is related to adverse offspring outcome. The aim of this study was to investigate the relationship of maternal cardiac function, placental function and pregnancy complications in women with rCoA. METHODS: We included 49 pregnant women with rCoA and 69 controls from the prospective ZAHARA-studies (Zwangerschap bij Aangeboren HARtAfwijkingen, pregnancy in congenital heart disease)...
September 22, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28961271/multiplanar-strain-quantification-for-assessment-of-right-ventricular-dysfunction-and-non-ischemic-fibrosis-among-patients-with-ischemic-mitral-regurgitation
#6
Antonino Di Franco, Jiwon Kim, Sara Rodriguez-Diego, Omar Khalique, Jonathan Y Siden, Samantha R Goldburg, Neil K Mehta, Aparna Srinivasan, Mark B Ratcliffe, Robert A Levine, Filippo Crea, Richard B Devereux, Jonathan W Weinsaft
BACKGROUND: Ischemic mitral regurgitation (iMR) predisposes to right ventricular (RV) pressure and volume overload, providing a nidus for RV dysfunction (RVDYS) and non-ischemic fibrosis (NIF). Echocardiography (echo) is widely used to assess iMR, but performance of different indices as markers of RVDYS and NIF is unknown. METHODS: iMR patients prospectively underwent echo and cardiac magnetic resonance (CMR) within 72 hours. Echo quantified iMR, assessed conventional RV indices (TAPSE, RV-S', fractional area change [FAC]), and strain via speckle tracking in apical 4-chamber (global longitudinal strain [RV-GLS]) and parasternal long axis orientation (transverse strain)...
2017: PloS One
https://www.readbyqxmd.com/read/28950335/3d-echocardiographic-evaluation-of-right-ventricular-function-and-strain-a-prognostic-study-in-paediatric-pulmonary-hypertension
#7
Pei-Ni Jone, Michal Schäfer, Zhaoxing Pan, Carlie Bremen, D Dunbar Ivy
Aims: To evaluate right ventricular functional indices using 3D echocardiography (3DE) between normal children and paediatric pulmonary hypertension (PH) patients, and to evaluate these indices as outcome predictors in children with PH. Methods and results: Ninety-six paediatric PH patients from 2014 to 2016 were compared with 40 normal controls. All patients underwent 3DE and off-line analysis generated 3D end-diastolic volume, 3D end-systolic volume, 3D stroke volume, 3D right ventricular (RV) ejection fraction (EF), RV longitudinal strain (LS) free wall and septum, tricuspid annular plane systolic excursion (TAPSE), and fractional area change (FAC)...
August 25, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28939932/prognostic-value-of-selected-echocardiographic-impedance-cardiographic-and-hemodynamic-parameters-determined-during-right-heart-catheterization-in-patients-qualified-for-heart-transplantation
#8
Wojciech Gilewski, Jarosław Pietrzak, Joanna Banach, Robert Bujak, Jan Błażejewski, Danuta Karasek, Łukasz Wołowiec, Władysław Sinkiewicz
The aim of the study was to verify prognostic value of selected echocardiographic (UKG), impedance cardiography (ICG), and right heart catheterization (RHC) parameters in systolic heart failure (HF). UKG, ICG, and RHC were performed in 46 patients with chronic HF with ejection fraction <35%. During a 1-year follow-up, composite endpoint (death or hospitalization due to HF exacerbation) was achieved by 23 (50.0%) patients. Analysis of receiver operating characteristic (ROC) curves identified UKG parameters: inferior vena cava diameter on inspiration (IVCinsp) >13 mm [area under curve (AUC), 0...
September 22, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28929619/assessment-of-subclinical-right-ventricular-systolic-dysfunction-in-coal-miners-using-myocardial-isovolumic-acceleration
#9
Ozge Ozcan Abacıoglu, Mehmet Kaplan, Serkan Abacıoglu, Ala Quisi
OBJECTIVE: Several studies have been conducted regarding the effects of coal mining on the respiratory system. However, there is a lack of data concerning potential effects of coal mining on the cardiovascular system. In this study, we aimed to evaluate the potential subclinical right and left ventricular dysfunction in coal miners. METHODS: This single-center, prospective study included a total of 102 patients. Patient and control groups consisted of 54 coal miners and 48 healthy men, respectively...
September 2017: Echocardiography
https://www.readbyqxmd.com/read/28898433/changes-in-parameters-of-right-ventricular-function-with-cardiac-resynchronization-therapy
#10
Abhishek Sharma, Carl J Lavie, Ajay Vallakati, Akash Garg, Sunny Goel, Jason Lazar, Gregg C Fonarow
BACKGROUND: Studies have shown that cardiac resynchronization therapy (CRT) significantly improves right ventricle (RV) size and function in patients with heart failure (HF). HYPOTHESIS: CRT does not lead to improvement in RV function independent of baseline clinical variables. METHODS: A systematic search of studies published between 1966 to August 31, 2015 was conducted using Pub Med, CINAHL, Cochrane CENTRAL and the Web of Science databases...
September 12, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28893516/interleukin-6-is-independently-associated-with-right-ventricular-function-in-pulmonary-arterial-hypertension
#11
Kurt W Prins, Stephen L Archer, Marc Pritzker, Lauren Rose, E Kenneth Weir, Alok Sharma, Thenappan Thenappan
BACKGROUND: An elevated serum level of interleukin-6 (IL-6) in pulmonary arterial hypertension (PAH) patients results in a greater symptom burden and increased mortality; however, the mechanisms underlying these observations remain unclear. Because both pre-clinical and clinical data associate elevated IL-6 levels with impaired cardiac function, we hypothesized that the adverse effects of IL-6 in PAH result, in part, from right ventricular (RV) dysfunction. METHODS: We analyzed the relationship between IL-6 and RV function in 40 patients with PAH identified in our institutional PAH registry...
September 1, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28849600/assessment-of-right-ventricular-systolic-function-in-heart-transplant-patients-correlation-between-echocardiography-and-cardiac-magnetic-resonance-imaging-investigation-of-the-accuracy-and-reliability-of-echocardiography
#12
Evrim Simsek, Sanem Nalbantgil, Naim Ceylan, Mehdi Zoghi, Hatice Soner Kemal, Cagatay Engin, Tahir Yagdi, Mustafa Ozbaran
BACKGROUND: Right ventricular (RV) function has great impact on the survival of heart transplantation recipients; therefore, careful evaluation is of high clinical importance. However, there is no standard conventional echocardiographic parameter to assess RV systolic function. Herein, we evaluated the correlation between echocardiographic parameters of RV systolic function and ejection fraction assessed by cardiac magnetic resonance imaging (MRI RVEF) in heart transplantation recipients...
August 28, 2017: Echocardiography
https://www.readbyqxmd.com/read/28837618/therapeutic-benefits-of-intravenous-cardiosphere-derived-cell-therapy-in-rats-with-pulmonary-hypertension
#13
Ryan C Middleton, Mario Fournier, Xuan Xu, Eduardo Marbán, Michael I Lewis
Pulmonary arterial hypertension (PAH) is a progressive condition characterized by occlusive pulmonary arteriopathy, in which survival remains poor despite pharmacologic advances. The aim of this study was to evaluate the ability of cardiosphere-derived cells (CDCs), cardiac progenitor cells with potent anti-inflammatory and immunomodulatory properties, to attenuate hemodynamic and morphometric remodeling of the right ventricle (RV) and pulmonary arterioles in rats with established monocrotaline (MCT)-induced PAH...
2017: PloS One
https://www.readbyqxmd.com/read/28811392/role-of-sympathetic-cotransmitter-galanin-on-autonomic-balance-in-heart-failure-an-active-player-or-a-bystander
#14
Demet Özkaramanlı Gür, Miray Sağbaş, Aydın Akyüz, Savaş Güzel, Şeref Alpsoy, Niyazi Güler
OBJECTIVE: Galanin, a cotransmitter similar to neuropeptide Y (NPY), aggravates autonomic imbalance in systolic heart failure (HF) by attenuating vagal tonus after burst sympathetic activity. In animal HF models, galanin antagonists have improved cardiac function. To determine whether galanin is a promising therapeutic target in HF, we studied its concentrations in HF patients and evaluated its correlation with NPY, markers of humoral activity such as pro-BNP and copeptin, and echocardiographic parameters of HF severity...
August 11, 2017: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/28806783/the-utilization-of-critical-care-ultrasound-to-assess-hemodynamics-and-lung-pathology-on-icu-admission-and-the-potential-for-predicting-outcome
#15
Wanhong Yin, Yi Li, Xueying Zeng, Yao Qin, Dong Wang, Tongjuan Zou, Ling Su, Yan Kang
AIM: Critical care ultrasound (CCUS) has been used by many Intensive Care Units(ICUs) worldwide, so as to guiding the diagnosis and the treatment. However, none of the publications currently systematically describe the utilization of CCUS to analyze the characteristics of hemodynamics and lung pathology upon the new admission to ICU and its potential role in patients' prognosis prediction. In this retrospective clinical study, we have demonstrated and analyzed the characteristics of hemodynamics and lung pathology assessed by CCUS and investigated its potential to predict patient outcome...
2017: PloS One
https://www.readbyqxmd.com/read/28759088/the-effects-of-treatment-in-patients-with-childhood-asthma-on-the-elastic-properties-of-the-aorta
#16
Osman Bektaş, Zeki Yüksel Günaydin, Ahmet Karagöz, Recep Akgedik, Adil Bayramoğlu, Ahmet Kaya
INTRODUCTION: The study aimed to investigate the effects of treatment in patients with childhood asthma on the elastic properties of the aorta and cardiovascular risk. METHODS: The study was performed in 66 paediatric patients diagnosed with bronchial asthma (BA). All patients were administered the β2 agonist, salbutamol, for seven days, followed by one month of montelukast and six months of inhaled steroid treatment. All patients underwent conventional transthoracic echocardiographic imaging before and after treatment...
May 2017: Cardiovascular Journal of Africa
https://www.readbyqxmd.com/read/28711335/echocardiographic-reference-ranges-in-older-children-and-adolescents-in-sub-saharan-africa
#17
Edith D Majonga, Andrea M Rehman, Grace McHugh, Hilda A Mujuru, Kusum Nathoo, Mohammad S Patel, Shungu Munyati, Jon O Odland, Katharina Kranzer, Juan P Kaski, Rashida A Ferrand
BACKGROUND: Echocardiographic reference ranges are important to identify abnormalities of cardiac dimensions. Reference ranges for children in sub-Saharan Africa have not been established. The aim of this study was to establish echocardiographic z-score references for Black children in sub-Saharan Africa. METHODS: 282 healthy subjects aged 6-16years (143 [51%] males) with no known history of cardiac disease were enrolled in the study in Harare, Zimbabwe between 2014 and 2016...
December 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28703274/pterostilbene-reduces-oxidative-stress-prevents-hypertrophy-and-preserves-systolic-function-of-right-ventricle-in-cor-pulmonale-model
#18
Denise Dos Santos Lacerda, Patrick Türck, Bruna Gazzi de Lima-Seolin, Rafael Colombo, Vanessa Duarte Ortiz, Jéssica Hellen Poletto Bonetto, Cristina Campos-Carraro, Sara Elis Bianchi, Adriane Belló-Klein, Valquiria Linck Bassani, Alex Sander da Rosa Araujo
BACKGROUND AND PURPOSE: In cor pulmonale, the increased afterload imposed on the right ventricle (RV) generates a maladaptive response, impairing the contractile cardiac function. Oxidative mechanisms play an important role in the pathophysiology and progression of this disease. The administration of pterostilbene (PTS), a phytophenol with antioxidant potential, may represent a therapeutic option. In the present study, we evaluated the effect of PTS complexed with hydroxypropyl-β-cyclodextrin (HPβCD) on hypertrophy, contractile function and oxidative parameters in the RV of rats with pulmonary hypertension, induced by the administration of monocrotaline (MCT)...
October 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28685870/novel-echocardiographic-prognostic-markers-for-cardiac-tamponade-in-patients-with-large-malignant-pericardial-effusions-a-paradigm-shift-from-flow-to-tissue-imaging
#19
George Chalikias, Antonios Samaras, Antonios Ziakas, Petros Kikas, Adina Thomaidis, Ioannis Drosos, George Giannakoulas, Haralambos Karvounis, Stavros Konstantinides, Dimitrios Tziakas
BACKGROUND: With this study, we sought to investigate the prognostic value of echocardiographic tissue imaging markers in predicting tamponade among patients with large malignant pericardial effusion compared to routinely used echocardiographic signs. METHODS: A total of 96 consecutive patients with large malignant pericardial effusion, not in clinical cardiac tamponade, underwent an echocardiographic examination and were prospectively assessed for 1 month. Clinically evident cardiac tamponade was considered as the study endpoint...
July 7, 2017: Echocardiography
https://www.readbyqxmd.com/read/28683514/endocardial-fibroelastosis-of-the-left-ventricle-affects-right-ventricular-performance-in-fetuses-with-hypoplastic-left-heart-syndrome-a-prospective-study-using-m-mode-pw-and-tissue-doppler-techniques
#20
Oliver Graupner, Christian Enzensberger, Larissa Wieg, Jan Degenhardt, Aline Wolter, Markus Khalil, Dietmar Schranz, Can Yerebakan, Astrid Doelle, Johannes Herrmann, Roland Axt-Fliedner
Purpose Myocardial function (MF) of the systemic right ventricle (RV) influences the postnatal course of neonates with hypoplastic left heart syndrome (HLHS). Our study examines whether the presence of endocardial fibroelastosis of the left ventricle (LV EFE) influences MF of the RV in HLHS fetuses. Materials and Methods A prospective study was conducted including 10 controls (group 1), 10 HLHS fetuses with (group 2) and 10 without LV EFE (group 3) - all matched for gestational age. M-mode was used to assess tricuspid plane systolic excursion (TAPSE) and the shortening fraction (SF)...
July 6, 2017: Ultraschall in der Medizin
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