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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
#1
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
#2
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
#3
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
https://www.readbyqxmd.com/read/28205213/haemodynamic-changes-to-a-midazolam-fentanyl-rocuronium-protocol-for-pre-hospital-anaesthesia-following-return-of-spontaneous-circulation-after-cardiac-arrest
#4
M Miller, C Groombridge, R Lyon
Following the return of spontaneous circulation after out-of-hospital cardiac arrest, neurological dysfunction, airway or ventilatory compromise can impede transport to early percutaneous coronary intervention, necessitating pre-hospital or emergency department anaesthesia to facilitate this procedure. There are no published reports of the ideal induction agents in these patients. We sought to describe haemodynamic changes associated with induction of anaesthesia using a midazolam (0.1 mg.kg(-1) ), fentanyl (2 μg...
February 15, 2017: Anaesthesia
https://www.readbyqxmd.com/read/28205173/measurement-of-mitochondrial-cholesterol-import-using-a-mitochondria-targeted-cyp11a1-fusion-construct
#5
Barry E Kennedy, Mark Charman, Barbara Karten
All animal membranes require cholesterol as an essential regulator of biophysical properties and function, but the levels of cholesterol vary widely among different subcellular compartments. Mitochondria, and in particular the inner mitochondrial membrane, have the lowest levels of cholesterol in the cell. Nevertheless, mitochondria need cholesterol for membrane maintenance and biogenesis, as well as oxysterol, steroid, and hepatic bile acid production. Alterations in mitochondrial cholesterol have been associated with a range of pathological conditions, including cancer, hepatosteatosis, cardiac ischemia, Alzheimer's, and Niemann-Pick Type C Disease...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28166110/high-sensitivity-cardiac-troponin-elevation-after-electroconvulsive-therapy-a-prospective-observational-cohort-study
#6
Andreas Duma, Swatilika Pal, Joshua Johnston, Mohammad A Helwani, Adithya Bhat, Bali Gill, Jessica Rosenkvist, Christopher Cartmill, Frank Brown, J Philip Miller, Mitchell G Scott, Francisco Sanchez-Conde, Michael Jarvis, Nuri B Farber, Charles F Zorumski, Charles Conway, Peter Nagele
BACKGROUND: While electroconvulsive therapy is widely regarded as a lifesaving and safe procedure, evidence regarding its effects on myocardial cell injury is sparse. The objective of this investigation was to determine the incidence and magnitude of new cardiac troponin elevation after electroconvulsive therapy using a novel high-sensitivity cardiac troponin I assay. METHODS: This was a prospective cohort study in adult patients undergoing electroconvulsive therapy in a single academic center (up to three electroconvulsive therapy treatments per patient)...
February 6, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28161809/alteration-of-cardiac-deformation-in-acute-rejection-in-pediatric-heart-transplant-recipients
#7
Nitin Chanana, Charlotte S Van Dorn, Melanie D Everitt, Hsin Yi Weng, Dylan V Miller, Shaji C Menon
The objective of this study is to assess changes in cardiac deformation during acute cellular- and antibody-mediated rejection in pediatric HT recipients. Pediatric HT recipients aged ≤18 years with at least one episode of biopsy-diagnosed rejection from 2006 to 2013 were included. Left ventricular systolic S (SS) and SR (SSr) data were acquired using 2D speckle tracking on echocardiograms obtained within 12 h of right ventricular endomyocardial biopsy. A mixed effect model was used to compare cardiac deformation during CR (Grade ≥ 1R), AMR (pAMR ≥ 2), and mixed rejection (CR and AMR positive) versus no rejection (Grade 0R and pAMR 0 or 1)...
February 4, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28148333/ethical-considerations-of-transparency-informed-consent-and-nudging-in-a-patient-with-paediatric-aortic-stenosis-and-symptomatic-left-ventricular-endocardial-fibroelastosis
#8
Constantine D Mavroudis, Thomas Cook, Jeffrey P Jacobs, Constantine Mavroudis
A 9-year-old boy who was born with bicuspid aortic stenosis underwent two unsuccessful aortic valvuloplasty interventions, and by 2 years of age he developed restrictive cardiomyopathy caused by left ventricular endocardial fibroelastosis and diastolic dysfunction. The attending cardiologist referred the patient to a high-volume, high-profile congenital cardiac surgical programme 1000 miles away that has a team with considerable experience with left ventricular endocardial fibroelastosis resection and a reputation of achieving good results...
December 2016: Cardiology in the Young
https://www.readbyqxmd.com/read/28141779/direct-targeting-of-macrophages-with-methylglyoxal-bis-guanylhydrazone-decreases-siv-associated-cardiovascular-inflammation-and-pathology
#9
Joshua A Walker, Andrew D Miller, Tricia H Burdo, Michael S McGrath, Kenneth C Williams
BACKGROUND: Despite effective combination antiretroviral therapy (cART) HIV infected individuals develop co-morbidities including cardiovascular disease (CVD), where activated macrophages play a key role. To date, few therapies target activated monocytes and macrophages. METHODS: We evaluated a novel oral form of the polyamine biosynthesis inhibitor methylglyoxal-bisguanylhydrazone (MGBG) on cardiovascular inflammation, carotid artery intima-media thickness (cIMT), and fibrosis in a SIV infection model of AIDS...
January 30, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28138906/essential-echocardiography-transesophageal-echocardiography-for-non-cardiac-anesthesiologists-timothy-m-maus-sonia-nhieu-seth-t-herway-editors-springer-99-00-usd-ebook-or-129-00-usd-softcover-pages-301-includes-127-online-echocardiography-videos-isbn-978-3
#10
https://www.readbyqxmd.com/read/28134395/ultrasound-examination-of-the-fetal-heart
#11
Katherine C Bishop, Jeffrey A Kuller, Brita K Boyd, Eleanor H Rhee, Stephen Miller, Piers Barker
Congenital heart disease (CHD) occurs in 4-13 per 1000 births in the United States. While many risk factors for CHD have been identified, more than 90% of cases occur in low-risk patients. Guidelines for fetal cardiac screening during the second trimester anatomy ultrasound have been developed by the International Society of Ultrasound in Obstetrics and Gynecology (ISUOG) in order to improve antenatal detection rates and to standardize the fetal cardiac screening examination. Patients found to be at increased risk of CHD because of risk factors or an abnormal screening examination should be referred for second trimester fetal echocardiography...
January 2017: Obstetrical & Gynecological Survey
https://www.readbyqxmd.com/read/28130644/clinical-applications-of-multi-parametric-cmr-in-myocarditis-and-systemic-inflammatory-diseases
#12
Jakub Lagan, Matthias Schmitt, Christopher A Miller
Cardiac magnetic resonance (CMR) has changed the management of suspected viral myocarditis by providing a 'positive' diagnostic test and has lead to new insights into myocardial involvement in systemic inflammatory conditions. In this review we analyse the use of CMR tissue characterisation techniques across the available studies including T2 weighted imaging, early gadolinium enhancement, late gadolinium enhancement, Lake Louise Criteria, T2 mapping, T1 mapping and extracellular volume assessment. We also discuss the use of multiparametric CMR in acute cardiac transplant rejection and a variety of inflammatory conditions such as sarcoidosis, systemic lupus erythrematous, rheumatoid arthritis and systemic sclerosis...
January 27, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28129334/a-novel-positron-emission-tomography-pet-approach-to-monitor-cardiac-metabolic-pathway-remodeling-in-response-to-sunitinib-malate
#13
Alice C O'Farrell, Rhys Evans, Johanna M U Silvola, Ian S Miller, Emer Conroy, Suzanne Hector, Maurice Cary, David W Murray, Monika A Jarzabek, Ashwini Maratha, Marina Alamanou, Girish Mallya Udupi, Liam Shiels, Celine Pallaud, Antti Saraste, Heidi Liljenbäck, Matti Jauhiainen, Vesa Oikonen, Axel Ducret, Paul Cutler, Fionnuala M McAuliffe, Jacques A Rousseau, Roger Lecomte, Suzanne Gascon, Zoltan Arany, Bonnie Ky, Thomas Force, Juhani Knuuti, William M Gallagher, Anne Roivainen, Annette T Byrne
Sunitinib is a tyrosine kinase inhibitor approved for the treatment of multiple solid tumors. However, cardiotoxicity is of increasing concern, with a need to develop rational mechanism driven approaches for the early detection of cardiac dysfunction. We sought to interrogate changes in cardiac energy substrate usage during sunitinib treatment, hypothesising that these changes could represent a strategy for the early detection of cardiotoxicity. Balb/CJ mice or Sprague-Dawley rats were treated orally for 4 weeks with 40 or 20 mg/kg/day sunitinib...
2017: PloS One
https://www.readbyqxmd.com/read/28111173/cardiac-expression-of-ryanodine-receptor-subtype-3-a-strategic-component-in-the-intracellular-ca-2-release-system-of-purkinje-fibers-in-large-mammalian-heart
#14
Rebecca E Daniels, Kazi T Haq, Lawson S Miller, Elizabeth W Chia, Masahito Miura, Vincenzo Sorrentino, John J McGuire, Bruno D Stuyvers
BACKGROUND: Three distinct Ca(2+) release channels were identified in dog P-cells: the ryanodine receptor subtype 2 (RyR2) was detected throughout the cell, while the ryanodine receptor subtype 3 (RyR3) and inositol phosphate sensitive Ca(2+) release channel (InsP3R) were found in the cell periphery. How each of these channels contributes to the Ca(2+) cycling of P-cells is unclear. Recent modeling of Ca(2+) mobilization in P-cells suggested that Ca(2+) sensitivity of Ca(2+)induced Ca(2+)release (CICR) was larger at the P-cell periphery...
January 20, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/28101033/maximizing-the-benefit-cost-ratio-of-anthracyclines-in-metastatic-breast-cancer-case-report-of-a-patient-with-a-complete-response-to-high-dose-doxorubicin
#15
Kevin Shee, Alan T Kono, Susan P D'Anna, Mark A Seltzer, Xiaoying Lu, Todd W Miller, Mary D Chamberlin
Despite the clinical efficacy of anthracycline agents such as doxorubicin, dose-limiting cardiac toxicities significantly limit their long-term use. Here, we present the case of a 33-year-old female patient with extensive metastatic ER+/PR+/HER2- mucinous adenocarcinoma of the breast, who was started on doxorubicin/cyclophosphamide therapy after progressing on paclitaxel and ovarian suppressor goserelin with aromatase inhibitor exemestane. The patient was comanaged by cardiology, who carefully monitored measures of cardiac function, including EKGs, serial echocardiograms, and profiling of lipids, troponin, and pro-BNP every 2 months...
September 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/28087371/use-of-the-heart-pathway-with-high-sensitivity-cardiac-troponins-a-secondary-analysis
#16
Simon A Mahler, Jason P Stopyra, Fred S Apple, Robert F Riley, Gregory B Russell, Brian C Hiestand, James W Hoekstra, Cedric W Lefebvre, Bret A Nicks, David M Cline, Kim L Askew, David M Herrington, Gregory L Burke, Chadwick D Miller
OBJECTIVES: The HEART Pathway combines a decision aid and serial contemporary cardiac troponin I (cTnI) measures to achieve >99% sensitivity for major adverse cardiac events (MACE) at 30days and early discharge rates >20%. However, the impact of integrating high-sensitivity troponin (hs-cTn) measures into the HEART Pathway has yet to be determined. In this analysis we compare test characteristics of the HEART Pathway using hs-cTnI, hs-cTnT, or cTnI. DESIGN & METHODS: A secondary analysis of participants enrolled in the HEART Pathway RCT was conducted...
January 10, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28077373/determination-of-renal-function-and-injury-using-near-infrared-fluorimetry-in-experimental-cardiorenal-syndrome
#17
Mizuko Ikeda, Rumie Wakasaki, Katie J Schenning, Thomas Swide, Jeong Heon Lee, M Bernie Miller, Hak Soo Choi, Sharon Anderson, Michael P Hutchens
Cardiorenal syndrome type 1 causes acute kidney injury but is poorly understood; animal models and diagnostic aids are lacking. Robust noninvasive measurements of glomerular filtration rate are required for injury models and clinical use. Several have been described but are untested in translational models and suffer from biologic interference. We developed a mouse model of cardiorenal syndrome and tested the novel near-infrared fluorophore, ZW800-1, to assess renal and cardiac function. We performed murine cardiac arrest and cardiopulmonary resuscitation followed by transthoracic echocardiography, 2- and 24h later...
January 11, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28062061/a-meta-analysis-of-randomized-controlled-trials-and-prospective-cohort-studies-of-eicosapentaenoic-and-docosahexaenoic-long-chain-omega-3-fatty-acids-and-coronary-heart-disease-risk
#18
Dominik D Alexander, Paige E Miller, Mary E Van Elswyk, Connye N Kuratko, Lauren C Bylsma
OBJECTIVE: To conduct meta-analyses of randomized controlled trials (RCTs) to estimate the effect of eicosapentaenoic and docosahexaenoic acid (EPA+DHA) on coronary heart disease (CHD), and to conduct meta-analyses of prospective cohort studies to estimate the association between EPA+DHA intake and CHD risk. METHODS: A systematic literature search of Ovid/Medline, PubMed, Embase, and the Cochrane Library from January 1, 1947, to November 2, 2015, was conducted; 18 RCTs and 16 prospective cohort studies examining EPA+DHA from foods or supplements and CHD, including myocardial infarction, sudden cardiac death, coronary death, and angina, were identified...
January 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/28054207/mortality-after-hematopoietic-stem-cell-transplantation-for-severe-mucopolysaccharidosis-type-i-the-30-year-university-of-minnesota-experience
#19
Nathan J Rodgers, Alexander M Kaizer, Weston P Miller, Kyle D Rudser, Paul J Orchard, Elizabeth A Braunlin
BACKGROUND AND AIM: Mucopolysaccharidosis IH (MPS IH, Hurler syndrome) naturally leads to death within the first decade of life, primarily from cardiac and pulmonary causes. To determine how hematopoietic stem cell transplantation (HSCT) has altered mortality, we analyzed our institution's 30-year experience of patients with MPS IH undergoing HSCT. METHODS: Using chart review and the National Death Index, we determined survival status of 134 patients (males = 69) with MPS IH transplanted between 9/16/1983 and 7/25/2013 on 12/31/2013...
January 4, 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/28002165/improving-prediction-of-postoperative-myocardial-infarction-with-high-sensitivity-cardiac-troponin-t-and-nt-probnp
#20
Michael Kopec, Andreas Duma, Mohammad A Helwani, Jamie Brown, Frank Brown, Brian F Gage, David W Gibson, J Philip Miller, Eric Novak, Allan S Jaffe, Fred S Apple, Mitchell G Scott, Peter Nagele
BACKGROUND: This study sought to determine whether preoperatively measured high-sensitivity cardiac troponin T (hs-cTnT) and N-terminal pro-brain natriuretic peptide (NT-proBNP) improve cardiac risk prediction in patients undergoing major noncardiac surgery compared with the standard risk indices. METHODS: In this ancillary study to the Vitamins in Nitrous Oxide trial, patients were included who had preoperative hs-cTnT and NT-proBNP measured (n = 572). Study outcome was the incidence of postoperative myocardial infarction (MI) within the first 3 postoperative days...
February 2017: Anesthesia and Analgesia
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