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https://www.readbyqxmd.com/read/29031174/dynamic-right-ventricular-outflow-obstruction-a-rare-cause-of-hypotension-during-anestesia-induction
#1
Maria Enrica Antoniucci, Christian Colizzi, Gabriella Arlotta, Maria Calabrese, Michele Corrado, Sergio Guarneri, Lorenzo Martinelli, Andrea Scapigliati, Roberto Zamparelli, Franco Cavaliere
INTRODUCTION: Dynamic obstruction of right ventricle outflow tract (RVOTO) is a rare condition that may acutely cause severe heart failure. It has been reported in some hypertrophic cardiomyopathies, after lung transplantation, and in some cases of hemodynamic instability after cardiopulmonary bypass. PRESENTATION OF CASE: We report the case of a 71-year-old man who developed severe hypotension during the induction of general anesthesia for surgical coronary revascularization...
October 5, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29027321/jumping-down-the-rabbit-hole-unravelling-the-right-ventricle-in-heart-failure
#2
EDITORIAL
Barry Greenberg
No abstract text is available yet for this article.
October 12, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/29027210/oedema-fibrosis-in-duchenne-muscular-dystrophy-role-of-cardiovascular-magnetic-resonance-imaging
#3
REVIEW
Sophie Mavrogeni, Antigoni Papavasiliou, Katerina Giannakopoulou, George Markousis-Mavrogenis, Maria Roser Pons, Evangelos Karanasios, Ioannis Nikas, George Papadopoulos, Genovefa Kolovou, George P Chrousos
Duchenne muscular dystrophy (DMD) is an X-linked muscle disorder characterized by progressive, irreversible loss of cardiac and skeletal muscular function. Muscular enlargement in DMD is attributed to oedema, due to the increased cytoplasmic Na+ concentration. The aim in this review is to present the current experience and emphasize the role of cardiovascular magnetic resonance (CMR) in the diagnosis of this condition. DMD patients' survival depends on ventilatory assistance, as respiratory muscle dysfunction was the most common cause of death in the past...
October 13, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29025576/the-prevalence-correlates-and-impact%C3%A2-on%C3%A2-cardiac-mortality-of-right%C3%A2-ventricular-dysfunction-in-nonischemic%C3%A2-cardiomyopathy
#4
Andreas Pueschner, Pairoj Chattranukulchai, John F Heitner, Dipan J Shah, Brenda Hayes, Wolfgang Rehwald, Michele A Parker, Han W Kim, Robert M Judd, Raymond J Kim, Igor Klem
OBJECTIVES: This study sought to determine the prevalence, correlates, and impact on cardiac mortality of right ventricular (RV) dysfunction in nonischemic cardiomyopathy. BACKGROUND: Current heart failure guidelines place little emphasis on RV assessment due to limited available data on determinants of RV function, mechanisms leading to its failure, and relation to outcomes. METHODS: We prospectively studied 423 patients with cardiac magnetic resonance (CMR)...
October 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29025547/contemporary-techniques-of-pericardiectomy-for-pericardial-disease
#5
REVIEW
Pouya Hemmati, Kevin L Greason, Hartzell V Schaff
Pericardiectomy is a potentially curative treatment for constrictive pericarditis. We use a median sternotomy and believe that adequate resection involves removal of the diaphragmatic pericardium and the anterior pericardium. Late outcomes depend on severity of right-sided heart failure preoperatively, the etiology of constrictive pericarditis, and adequate pericardial resection. Late results are excellent in patients with idiopathic disease or those with pericarditis secondary to prior cardiac operations. However, survival is reduced in those with radiation-induced constrictive pericarditis, primarily owing to additional secondary effects of radiation on cardiac valves, epicardial coronary arteries, and ventricular myocardium where fibrosis may cause associated restrictive cardiomyopathy...
November 2017: Cardiology Clinics
https://www.readbyqxmd.com/read/29025545/constrictive-pericarditis
#6
REVIEW
Terrence D Welch, Jae K Oh
Constrictive pericarditis is a potentially treatable cause of diastolic heart failure that arises because a diseased, inelastic pericardium restricts ventricular diastolic expansion. Affected patients present with heart failure with predominant right-sided symptoms and signs. The key to diagnosis is identification of the unique hemodynamic properties associated with constriction: dissociation of intrathoracic and intracardiac pressures and enhanced ventricular interaction. Comprehensive echocardiography with Doppler imaging is useful, but invasive hemodynamic assessment and cross-sectional imaging may be required for confirmation...
November 2017: Cardiology Clinics
https://www.readbyqxmd.com/read/29024133/plasma-natriuretic-peptide-levels-in-fetuses-with-congenital-heart-defect-and-arrhythmia-a-single-center-prospective-study
#7
Takekazu Miyoshi, Takashi Umekawa, Hiroshi Hosoda, Takashi Asada, Akihiro Fujiwara, Ken-Ichi Kurosaki, Isao Shiraishi, Michikazu Nakai, Kunihiro Nishimura, Mikiya Miyazato, Kenji Kangawa, Tomoaki Ikeda, Jun Yoshimatsu, Naoto Minamino
OBJECTIVES: Diagnosing fetal heart failure remains challenging because it is difficult to know how well the fetal myocardium will perform as loading conditions change. In adult cardiology, natriuretic peptides (NPs) are established marker of heart failure. However, the number of studies investigating NP levels in fetuses is quite limited. The aim of this study was to evaluate the significance of plasma NP levels in the assessment of heart failure in fetuses with congenital heart defect (CHD) and arrhythmia...
October 11, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29023983/age-vascular-health-and-alzheimer-s-disease-biomarkers-in-an-elderly-sample
#8
Prashanthi Vemuri, Timothy G Lesnick, Scott A Przybelski, David S Knopman, Val J Lowe, Jonathan Graff-Radford, Rosebud O Roberts, Michelle M Mielke, Mary M Machulda, Ronald C Petersen, Clifford R Jack
OBJECTIVE: To investigate the associations between age, vascular health, and Alzheimer's disease (AD) imaging biomarkers in an elderly sample. METHODS: We identified 430 individuals along the cognitive continuum aged>60 years with amyloid-PET, Tau-PET, and MRI scans from the population-based Mayo Clinic Study of Aging. A subset of 329 individuals had FDG-PET. We ascertained presently existing cardiovascular and metabolic conditions (CMC) from healthcare records and used the summation of presence/absence of hypertension, hyperlipidemia, cardiac-arrhythmias, coronary artery disease, congestive heart failure, diabetes mellitus, and stroke as a surrogate for vascular health...
October 10, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/29023958/stroke-induced-chronic-systolic-dysfunction-driven-by-sympathetic-overactivity
#9
Michael Bieber, Rudolf A Werner, Edit Tanai, Ulrich Hofmann, Takahiro Higuchi, Kai Schuh, Peter U Heuschmann, Stefan Frantz, Oliver Ritter, Peter Kraft, Christoph Kleinschnitz
OBJECTIVE: Cardiac diseases are established risk factors for ischemic stroke incidence and severity. Conversely, there is increasing evidence that brain ischemia can cause cardiac dysfunction. The mechanisms underlying this neurogenic heart disease are incompletely understood. While it is established that ischemic stroke is associated with cardiac arrhythmias, myocardial damage, elevated cardiac enzymes and plasma catecholamines in the acute phase, nothing is known about the delayed consequences of ischemic stroke on cardiovascular function...
October 10, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/29023821/optimization-of-coronary-sinus-lead-placement-targeted-to-the-longest-right-to-left-delay-in-patients-undergoing-cardiac-resynchronization-therapy-the-optimal-pacing-site-2-opsite-2-acute-study-and-protocol
#10
D Oddone, D Solari, R Nangah, G Arena, R Mureddu, D Giorgi, G Allocca, N Bottoni, G Senatore, M Giaccardi, M Giammaria, E Marra, M Laffi, E Cipolla, F Di Lorenzo, R Carpi, M Brignole
AIMS: Left ventricular (LV) lead positioning at the site of delayed electrical activation is associated with better response to cardiac resynchronization therapy (CRT). We hypothesized that a long electrical conduction delay between RV and CS leads during RV pacing (RLD index) is correlated with a better clinical outcome METHODS AND RESULTS: RLD is measured intra-procedurally, during RV pacing, as the time interval between the intracardiac electrograms of RV and CS leads. Initially, we did a prove-of-concept, feasibility, acute study in 97 patients who underwent CRT implantation...
October 11, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29023250/biomechanical-determinants-of-right-ventricular-failure-in-pulmonary-hypertension
#11
Francesco Scardulla, Diego Bellavia, Patrizio Vitulo, Giuseppe Romano, Chiara Mina, Giovanni Gentile, Francesco Clemenza, Salvatore Pasta
Pulmonary hypertension (PH) is a disease characterized by progressive adverse remodeling of the distal pulmonary arteries, resulting in elevated pulmonary vascular resistance and load pressure on the right ventricle (RV), ultimately leading to RV failure. Invasive hemodynamic testing is the gold standard for diagnosing PH, and guiding patient therapy. We hypothesized that lumped-parameter and biventricular finite-element (FE) modeling may lead to noninvasive predictions of both PH-related hemodynamic and biomechanical parameters that induce PH...
October 11, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/29022535/gender-disparities-in-pulmonary-hypertension-at-a-tertiary-centre-in-cameroon
#12
L N Aminde, A Dzudie, A P Kenge, J Ndjebet, S Mapoh, X Kuelang, F Kamdem, B H Mbatchou Ngahane, M-S Doualla, K B Ngu, K Sliwa, F Thienemann
BACKGROUND: Pulmonary hypertension (PH) is a potent cause of heart failure and has been little investigated in the African setting. OBJECTIVE: To investigate the effects of gender on the clinical presentation, echocardiographic features and outcomes of patients with PH in Douala, Cameroon. METHODS: A prospective cohort study was conducted from March 2012 to December 2013 as part of the Pan African Pulmonary Hypertension Cohort study. PH was diagnosed by echocardiography and defined as a right ventricular systolic pressure >35 mmHg in the absence of acute right heart failure...
September 22, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/29022270/exercise-training-in-pulmonary-hypertension-and-right-heart-failure-insights-from-pre-clinical-studies
#13
Daniel Moreira-Gonçalves, Rita Ferreira-Nogueira, Mário Santos, Ana Filipa Silva, Rita Ferreira, Adelino Leite-Moreira, José Alberto Duarte, Tiago Henriques-Coelho
Exercise training (ExT) is widely used for the prevention and treatment of several chronic cardiovascular diseases. However, only recently it started to be recognized as safe and beneficial in pulmonary arterial hypertension. Despite the consistency of its favorable effects on exercise tolerance and quality of life, the mechanisms underlying these meaningful clinical improvements remain unclear. Current studies emphasize the exercise-induced changes on skeletal muscle but the impact of ExT at the level of the pulmonary circulation and right ventricle should not be overlooked...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29022103/antidiabetic-plant-derived-nutraceuticals-a-critical-review
#14
REVIEW
Jayapal Naveen, Vallikannan Baskaran
Diabetes mellitus (DM) is one of the major health problems in the world, especially amongst the urban population. Chemically synthesized drugs used to decrease the ill effects of DM and its secondary complications cause adverse side effects, viz., weight gain, gastrointestinal disturbances, and heart failure. Currently, various other approaches, viz., diet control, physical exercise and use of antidiabetic plant-derived molecules/foods are advocated to manage DM, as they are economical with fewer or no side effects...
October 11, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/29021450/the-efficacy-of-a-genetic-analysis-of-the-bmpr2-gene-in-a-patient-with-severe-pulmonary-arterial-hypertension-and-an-atrial-septal-defect-treated-with-bilateral-lung-transplantation
#15
Shunsuke Tatebe, Koichiro Sugimura, Tatsuo Aoki, Saori Yamamoto, Nobuhiro Yaoita, Hideaki Suzuki, Haruka Sato, Katsuya Kozu, Ryo Konno, Kimio Satoh, Koji Fukuda, Osamu Adachi, Ryoko Saito, Norifumi Nakanishi, Hiroko Morisaki, Kotaro Oyama, Yoshikatsu Saiki, Yoshinori Okada, Hiroaki Shimokawa
Severe pulmonary arterial hypertension (PAH) rarely develops in children with an atrial septal defect (ASD), even those with a large defect. We herein report the case of a 27-year-old man with a moderate-sized secundum ASD and right ventricular failure due to severe PAH, which developed in his early teens. He was diagnosed as having a genetic mutation of the BMPR2 gene and was successfully treated with bilateral lung transplantation with ASD path closure. In patients with congenital heart disease, a genetic analysis may provide information about the lifetime risk of developing PAH...
October 11, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29019615/haemodynamic-profiles-of-children-with-end-stage-heart-failure
#16
Sharon Chen, John C Dykes, Doff B McElhinney, Robert J Gajarski, Andrew Y Shin, Seth A Hollander, Melanie E Everitt, Jack F Price, Ravi R Thiagarajan, Steven J Kindel, Joseph W Rossano, Beth D Kaufman, Lindsay J May, Elizabeth Pruitt, David N Rosenthal, Christopher S Almond
Aims: To evaluate associations between haemodynamic profiles and symptoms, end-organ function and outcome in children listed for heart transplantation. Methods and results: Children <18 years listed for heart transplant between 1993 and 2013 with cardiac catheterization data [pulmonary capillary wedge pressure (PCWP), right atrial pressure (RAP), and cardiac index (CI)] in the Pediatric Heart Transplant Study database were included. Outcomes were New York Heart Association (NYHA)/Ross classification, renal and hepatic dysfunction, and death or clinical deterioration while on waitlist...
October 7, 2017: European Heart Journal
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
#17
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/29016882/intra-atrial-re-entrant-tachycardia-in-patients-with-congenital-heart-disease-factors-associated-with-disease-severity
#18
Ivo Roca-Luque, Nuria Rivas Gándara, Laura Dos Subirà, Jaume Francisco Pascual, Jordi Pérez-Rodon, Antònia Pijuan Domenech, Ma Teresa Subirana, Berta Miranda, Alba Santos Ortega, Jaume Casaldàliga Ferrer, David García-Dorado García, Angel Moya Mitjans
Aim: Intra-atrial re-entrant tachycardia (IART) is a common complication in patients with congenital heart disease (CHD) and is related to increased morbidity and mortality. Few reports have been published about factors associated to IART severity. The aim of this study is to analyse factors associated to severe clinical presentation of IART. Methods and Results: Observational study of all consecutive CHD patients who underwent a first IART ablation from January 2009 to December 2015 (94 patients, 39...
July 28, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29016730/microrna-424-322-as-a-new-marker-of-disease-progression-in-pulmonary-arterial-hypertension-and-its-role-in-right-ventricular-hypertrophy-by-targeting-smurf1
#19
Rui Baptista, Carla Marques, Steve Catarino, Francisco J Enguita, Marina C Costa, Paulo Matafome, Mónica Zuzarte, Graça Castro, Abílio Reis, Pedro Monteiro, Mariano Pêgo, Paulo Pereira, Henrique Girão
MicroRNAs (miRNAs) have been implicated in the pathogenesis of pulmonary hypertension (PH), a multifactorial and progressive condition associated with an increased afterload of the right ventricle leading to heart failure and death. The main aim of this study was to correlate the levels of miR-424(322) with the severity and prognosis of PH and with right ventricle hypertrophy progression. Additionally, we intended to evaluate the mechanisms and signaling pathways whereby miR-424(322) secreted by pulmonary endothelial cells (PAECs) impacts cardiomyocytes...
September 12, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28994680/rising-central-venous-pressure-impending-right-sided-failure
#20
Monish S Raut, Arun Maheshwari, Vinayak Desurkar, Rajesh Bhavsar
Central venous pressure generally indicates right sided cardiac filling pressure. Although it is a static hemodynamic parameter, however trend of CVP gives important information regarding the patient's management. Patient with left ventricular assist device is prone to develop right ventricular dysfunction which can easily be suspected by trend of CVP. However rising CVP does not always imply right heart dysfunction.
October 2017: Annals of Cardiac Anaesthesia
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