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https://www.readbyqxmd.com/read/28435328/aortic-valve-papillary-fibroelastoma-causing-embolic-strokes-a-case-report-and-review
#1
Avraham Miller, Audrik Perez, Swathi Pabba, Vijay Shetty
Papillary fibroelastomas (PFEs) are the second most common benign neoplasms of the cardiac valves and are being recognized more frequently because of higher resolution imaging technology. PFEs are associated with substantial complications that are secondary to systemic embolism. Surgical resection should be offered to all patients who have symptoms and to asymptomatic patients who have pedunculated lesions or tumors larger than 1 cm in diameter. Herein, we present a patient who presented for a second time in 2 months with stroke symptoms...
2017: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/28418290/invasive-nontuberculous-mycobacterial-infections-among-cardiothoracic-surgical-patients-exposed-to-heater-cooler-devices-1
#2
Meghan M Lyman, Cheri Grigg, Cara Bicking Kinsey, M Shannon Keckler, Heather Moulton-Meissner, Emily Cooper, Minn M Soe, Judith Noble-Wang, Allison Longenberger, Shane R Walker, Jeffrey R Miller, Joseph F Perz, Kiran M Perkins
Invasive nontuberculous mycobacteria (NTM) infections may result from a previously unrecognized source of transmission, heater-cooler devices (HCDs) used during cardiac surgery. In July 2015, the Pennsylvania Department of Health notified the Centers for Disease Control and Prevention (CDC) about a cluster of NTM infections among cardiothoracic surgical patients at 1 hospital. We conducted a case-control study to identify exposures causing infection, examining 11 case-patients and 48 control-patients. Eight (73%) case-patients had a clinical specimen identified as Mycobacterium avium complex (MAC)...
May 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28410273/up-regulation-of-intracellular-calcium-handling-underlies-the-recovery-of-endotoxemic-cardiomyopathy-in-mice
#3
Justin C Morse, Joanne Huang, Natasha Khona, Edward J Miller, Deborah A Siwik, Wilson S Colucci, Ion A Hobai
BACKGROUND: In surviving patients, sepsis-induced cardiomyopathy is spontaneously reversible. In the absence of any experimental data, it is generally thought that cardiac recovery in sepsis simply follows the remission of systemic inflammation. Here the authors aimed to identify the myocardial mechanisms underlying cardiac recovery in endotoxemic mice. METHODS: Male C57BL/6 mice were challenged with lipopolysaccharide (7 μg/g, intraperitoneally) and followed for 12 days...
April 14, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28408835/predictors-of-common-femoral-artery-access-site-complications-in-patients-on-oral-anticoagulants-and-undergoing-a-coronary-procedure
#4
Nicolas W Shammas, Gail A Shammas, Susan Jones-Miller, Mileah Rose Gumpert, Miranda Jade Gumpert, Christine Harb, Majid Z Chammas, W John Shammas, Rommy A Khalafallah, Amy Barzgari, Bassel Bou Dargham, Ghassan E Daher, Rayan Jo Rachwan, Andrew N Shammas
BACKGROUND: It is unclear whether patients on oral anticoagulants (OAC) undergoing a procedure using common femoral artery access have higher adverse events when compared to patients who are not anticoagulated at the time of the procedure. METHODS: We retrospectively reviewed data from consecutive patients who underwent a cardiac procedure at a tertiary medical center. Patients were considered (group A) fully or partially anticoagulated if they had an international normalized ratio (INR) ≥1...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28408649/external-arrhythmia-ablation-using-photon-beams-ablation-of-the-atrioventricular-junction-in-an-intact-animal-model
#5
H Immo Lehmann, Amanda J Deisher, Mitsuru Takami, Jon J Kruse, Limin Song, Sarah E Anderson, Jack T Cusma, Kay D Parker, Susan B Johnson, Samuel J Asirvatham, Robert C Miller, Michael G Herman, Douglas L Packer
BACKGROUND: This study sought to investigate external photon beam radiation for catheter-free ablation of the atrioventricular junction in intact pigs. METHODS AND RESULTS: Ten pigs were randomized to either sham irradiation or irradiation of the atrioventricular junction (55, 50, 40, and 25 Gy). Animals underwent baseline electrophysiological evaluation, cardiac gated multi-row computed tomographic imaging for beam delivery planning, and intensity-modulated radiation therapy...
April 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28396082/pregnancy-related-spontaneous-coronary-artery-dissection-a%C3%A2-case-series-and-literature-review
#6
Emily Rose, Maheedhar Gedela, Nathan Miller, Paul L Carpenter
BACKGROUND: Cardiac emergencies during pregnancy are rare but have significant associated morbidity and mortality when they do occur. The emergency physician must not only be aware of potentially life-threatening conditions in the pregnant woman, but also know the emergent management and treatment of these conditions to avoid worsening of the underlying condition. Pregnancy-related spontaneous coronary artery dissection has been described in the cardiology literature, but is not well-known in emergency medicine literature...
April 7, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28391149/multi-organ-toxicity-induced-by-fine-particulate-matter-pm2-5-in-zebrafish-danio-rerio-model
#7
Junchao Duan, Hejing Hu, Yannan Zhang, Lin Feng, Yanfeng Shi, Mark R Miller, Zhiwei Sun
The fine particulate matter (PM2.5) in air pollution is a major public health concern and now known to contribute to severe diseases, therefore, a comprehensive understanding of PM2.5-induced adverse effects in living organisms is needed urgently. This study was aimed to evaluate the toxicity of PM2.5 on multi-organ systems in a zebrafish (Danio rerio) model. The embryonic toxicity induced by PM2.5 was demonstrated by an increase in mortality and inhibition of hatching rate, in a dose- and time-dependent manner...
April 5, 2017: Chemosphere
https://www.readbyqxmd.com/read/28373789/arrhythmogenic-right-ventricular-cardiomyopathy-with-biventricular-involvement-and-heart-failure-in-a-9-year-old-girl
#8
Fateh Ali Tipoo Sultan, Mehnaz Atiq Ahmed, Jamie Miller, Joseph B Selvanayagam
Arrhythmogenic right ventricular cardiomyopathy (ARVC) is seldom recognized clinically in infancy or under the age of 10. We report a case of a 9-year-old girl with ARVC, who presented with signs and symptoms of heart failure and palpitations. Holter monitoring showed frequent premature ventricular beats and echocardiogram revealed dilated and dysfunctional right ventricle with normal tricuspid valve and no evidence of intracardiac shunt. Cardiac magnetic resonance showed classical features of ARVC with both ventricular involvements...
April 2017: Journal of the Saudi Heart Association
https://www.readbyqxmd.com/read/28357811/use-of-fluorine-18-sodium-fluoride-for-the-diagnosis-of-transthyretin-cardiac-amyloidosis-the-birth-of-a-new-technique
#9
EDITORIAL
Cesia Gallegos, Edward J Miller
No abstract text is available yet for this article.
March 29, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28349221/total-artificial-heart-implantation-for-biventricular-failure-due-to-eosinophilic-myocarditis
#10
Masashi Kawabori, Chitaru Kurihara, Yair Miller, Kent A Heck, Roberta C Bogaev, Andrew B Civitello, William E Cohn, O H Frazier, Jeffrey A Morgan
Idiopathic hypereosinophilic syndrome is a condition of unknown etiology characterized by proliferation of eosinophils and their infiltration into tissues. Although cardiac involvement is rare, eosinophilic myocarditis can lead to life-threating fulminant congestive heart failure. Treatment of patients with eosinophilic myocarditis is challenging as heart failure can be caused by biventricular dysfunction. To our knowledge, this is the first case reported in the literature describing a patient with acute severe biventricular heart failure caused by eosinophilic myocarditis with mural left ventricular apical thrombus who was successfully treated with implantation of a total artificial heart as a bridge to heart transplant...
March 27, 2017: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
https://www.readbyqxmd.com/read/28342956/disparities-in-telephone-cpr-access-and-timing-during-out-of-hospital-cardiac-arrest
#11
Tomas Nuño, Bentley J Bobrow, Karen A Rogge-Miller, Micah Panczyk, Terry Mullins, Wayne Tormala, Antonio Estrada, Samuel M Keim, Daniel W Spaite
AIM: Spanish-only speaking residents in the United States face barriers to receiving potentially life-saving 911 interventions such as Telephone -cardiopulmonary resuscitation (TCPR) instructions. Since 2015, 911 dispatchers have placed an increased emphasis on rapid identification of potential cardiac arrest. The purpose of this study was to describe the utilization and timing of the 911 system during suspected out-of-hospital cardiac arrest (OHCA) by Spanish-speaking callers in Metropolitan Phoenix, Arizona...
March 23, 2017: Resuscitation
https://www.readbyqxmd.com/read/28341473/pneumonia-after-cardiac-surgery-experience-of-the-national-institutes-of-health-canadian-institutes-of-health-research-cardiothoracic-surgical-trials-network
#12
Gorav Ailawadi, Helena L Chang, Patrick T O'Gara, Karen O'Sullivan, Y Joseph Woo, Joseph J DeRose, Michael K Parides, Vinod H Thourani, Sophie Robichaud, A Marc Gillinov, Wendy C Taddei-Peters, Marissa A Miller, Louis P Perrault, Robert L Smith, Lyn Goldsmith, Keith A Horvath, Kristen Doud, Kim Baio, Annetine C Gelijns, Alan J Moskowitz, Emilia Bagiella, John H Alexander, Alexander Iribarne
RATIONALE: Pneumonia remains the most common major infection after cardiac surgery despite numerous preventive measures. OBJECTIVES: To prospectively examine the timing, pathogens, and risk factors, including modifiable management practices, for postoperative pneumonia and estimate its impact on clinical outcomes. METHODS: A total of 5158 adult cardiac surgery patients were enrolled prospectively in a cohort study across 10 centers. All infections were adjudicated by an independent committee...
February 9, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28336536/the-effect-of-aging-and-cardiorespiratory-fitness-on-the-lung-diffusing-capacity-response-to-exercise-in-healthy-humans
#13
Kirsten E Coffman, Alex R Carlson, Andrew D Miller, Bruce D Johnson, Bryan Joseph Taylor
Aging is associated with deterioration in the structure and function of the pulmonary circulation. We characterized the lung diffusing capacity for carbon monoxide (DLCO), alveolar-capillary membrane conductance (DmCO), and pulmonary-capillary blood volume (VC) response to discontinuous incremental exercise at 25, 50, 75, and 90% of peak work (Wpeak) in four groups: 1) Young [27 ± 3 y, maximal oxygen consumption (V̇O2max) 110 ± 18% age-predicted]; 2) Young Highly-Fit (27 ± 3 y, V̇O2max 147 ± 8% age-predicted); 3) Old (69 ± 5 y, V̇O2max 116 ± 13% age-predicted); and 4) Old Highly-Fit (65 ± 5 y, V̇O2max 162 ± 18% age-predicted)...
March 23, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28329454/adult-congenital-cardiac-care
#14
Brian E Kogon, Kati Miller, Paula Miller, Bahaaldin Alsoufi, Joshua M Rosenblum
BACKGROUND: The Adult Congenital Heart Association (ACHA) is dedicated to supporting patients with congenital heart disease. To guide patients to qualified providers and programs, it maintains a publicly accessible directory of dedicated adult congenital cardiac programs. We analyzed the directory in 2006 and 2015, aiming to evaluate the growth of the directory as a whole and to evaluate the growth of individual programs within the directory. We also hope this raises awareness of the growing opportunities that exist in adult congenital cardiology and cardiac surgery...
March 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/28295842/police-work-stressors-and-cardiac-vagal-control
#15
Michael E Andrew, John M Violanti, Ja K Gu, Desta Fekedulegn, Shengqiao Li, Tara A Hartley, Luenda E Charles, Anna Mnatsakanova, Diane B Miller, Cecil M Burchfiel
OBJECTIVES: This study examines relationships between the frequency and intensity of police work stressors and cardiac vagal control, estimated using the high frequency component of heart rate variability (HRV). METHODS: This is a cross-sectional study of 360 officers from the Buffalo New York Police Department. Police stress was measured using the Spielberger police stress survey, which includes exposure indices created as the product of the self-evaluation of how stressful certain events were and the self-reported frequency with which they occurred...
March 14, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/28290782/prognostic-value-of-combined-ct-angiography-and-myocardial-perfusion-imaging-versus-invasive-coronary-angiography-and-nuclear-stress-perfusion-imaging-in-the-prediction-of-major-adverse-cardiovascular-events-the-core320-multicenter-study
#16
Marcus Y Chen, Carlos E Rochitte, Armin Arbab-Zadeh, Marc Dewey, Richard T George, Julie M Miller, Hiroyuki Niinuma, Kunihiro Yoshioka, Kakuya Kitagawa, Hajime Sakuma, Roger Laham, Andrea L Vavere, Rodrigo J Cerci, Vishal C Mehra, Cesar Nomura, Klaus F Kofoed, Masahiro Jinzaki, Sachio Kuribayashi, Arthur J Scholte, Michael Laule, Swee Yaw Tan, John Hoe, Narinder Paul, Frank J Rybicki, Jeffrey A Brinker, Andrew E Arai, Matthew B Matheson, Christopher Cox, Melvin E Clouse, Marcelo F Di Carli, João A C Lima
Purpose To compare the prognostic importance (time to major adverse cardiovascular event [MACE]) of combined computed tomography (CT) angiography and CT myocardial stress perfusion imaging with that of combined invasive coronary angiography (ICA) and stress single photon emission CT myocardial perfusion imaging. Materials and Methods This study was approved by all institutional review boards, and written informed consent was obtained. Between November 2009 and July 2011, 381 participants clinically referred for ICA and aged 45-85 years were enrolled in the Combined Noninvasive Coronary Angiography and Myocardial Perfusion Imaging Using 320-Detector Row Computed Tomography (CORE320) prospective multicenter diagnostic study...
March 14, 2017: Radiology
https://www.readbyqxmd.com/read/28287525/echocardiographic-approaches-and-protocols-for-comprehensive-phenotypic-characterization-of-valvular-heart-disease-in-mice
#17
Grace Casaclang-Verzosa, Maurice Enriquez-Sarano, Hector R Villaraga, Jordan D Miller
The aim of this manuscript and accompanying video is to provide an overview of the methods and approaches used for imaging heart valve function in rodents, with detailed descriptions of the appropriate methods for anesthesia, the echocardiographic windows used, the imaging planes and probe orientations for image acquisition, the methods for data analysis, and the limitations of emerging technologies for the evaluation of cardiac and valvular function. Importantly, we also highlight several future areas of research in cardiac and heart valve imaging that may be leveraged to gain insights into the pathogenesis of valve disease in preclinical animal models...
February 14, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28225783/heart-and-skeletal-muscle-inflammation-hsmi-disease-diagnosed-on-a-british-columbia-salmon-farm-through-a-longitudinal-farm-study
#18
Emiliano Di Cicco, Hugh W Ferguson, Angela D Schulze, Karia H Kaukinen, Shaorong Li, Raphaël Vanderstichel, Øystein Wessel, Espen Rimstad, Ian A Gardner, K Larry Hammell, Kristina M Miller
Heart and skeletal muscle inflammation (HSMI) is an emerging disease of marine-farmed Atlantic Salmon (Salmo salar), first recognized in 1999 in Norway, and later also reported in Scotland and Chile. We undertook a longitudinal study involving health evaluation over an entire marine production cycle on one salmon farm in British Columbia (Canada). In previous production cycles at this farm site and others in the vicinity, cardiac lesions not linked to a specific infectious agent or disease were identified. Histologic assessments of both live and moribund fish samples collected at the farm during the longitudinal study documented at the population level the development, peak, and recovery phases of HSMI...
2017: PloS One
https://www.readbyqxmd.com/read/28210936/does-obesity-affect-the-non-invasive-measurement-of-cardiac-output-performed-by-electrical-cardiometry-in-children-and-adolescents
#19
Luis Altamirano-Diaz, Eva Welisch, Ralf Rauch, Michael Miller, Teresa Sohee Park, Kambiz Norozi
Electrical cardiometry (EC) is a non-invasive and inexpensive method for hemodynamic assessment and monitoring. However, its feasibility for widespread clinical use, especially for the obese population, has yet to be determined. In this study, we evaluated the agreement and reliability of EC compared to transthoracic Doppler echocardiography (TTE) in normal, overweight, and obese children and adolescents. We measured stroke volume (SV) and cardiac output (CO) of 131 participants using EC and TTE simultaneously...
February 17, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28210509/recurrence-of-postoperative-stress-induced-cardiomyopathy-resulting-from-status-epilepticus
#20
Grant A Miller, Yousef M Ahmed, Nicki S Tarant
Introduction. Classically, stress-induced cardiomyopathy (SIC), also known as takotsubo cardiomyopathy, displays the pathognomonic feature of reversible left ventricular apical ballooning without coronary artery stenosis following stressful event(s). Temporary reduction in ejection fraction (EF) resolves spontaneously. Variants of SIC exhibiting mid-ventricular regional wall motion abnormalities have been identified. Recent case series present SIC as a finding in association with sudden unexplained death in epilepsy (SUDEP)...
2017: Case Reports in Critical Care
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