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https://www.readbyqxmd.com/read/29046319/effect-of-intravenous-fentanyl-on-ticagrelor-absorption-and-platelet-inhibition-among-patients-undergoing-percutaneous-coronary-intervention-the-pacify-randomized-clinical-trial
#1
John W McEvoy, Khalil Ibrahim, Thomas S Kickler, William A Clarke, Rani K Hasan, Matthew J Czarny, Ali R Keramati, Rakesh R Goli, Travis P Gratton, Jeffrey A Brinker, Matthews Chacko, Chao-Wei Hwang, Peter V Johnston, Julie M Miller, Jeffrey C Trost, William R Herzog, Roger S Blumenthal, David R Thiemann, Jon R Resar, Steven P Schulman
Fentanyl is a potent opiate commonly administered during cardiac catheterization procedures in North America. The question of whether fentanyl could have adverse consequences in patients undergoing percutaneous coronary intervention (PCI) is raised by recent research demonstrating that intravenous morphine significantly delays the absorption of oral P2Y12 platelet inhibitors. The presumed mechanism is slowed gastric emptying. The single-center Platelet Aggregation with tiCagrelor Inhibition and FentanYl (PACIFY) trial randomized adults undergoing clinically-indicated elective coronary angiography to receive the procedure with or without intravenous fentanyl (NCT02683707)...
October 18, 2017: Circulation
https://www.readbyqxmd.com/read/29040414/luma-is-not-essential-for-murine-cardiac-development-and-function
#2
Matthew John Stroud, Xi Fang, Jianlin Zhang, Nuno Guimarães-Camboa, Jennifer Veevers, Nancy D Dalton, Yusu Gu, William H Bradford, Kirk L Peterson, Sylvia M Evans, Larry Gerace, Ju Chen
Aims: Luma is a recently discovered, evolutionarily conserved protein expressed in mammalian heart that is associated with the LInker of Nucleoskeleton and Cytoskeleton (LINC) complex. The LINC complex structurally integrates the nucleus and the cytoplasm, and plays a critical role in mechanotransduction across the nuclear envelope. Mutations in several LINC components in both humans and mice result in various cardiomyopathies, implying they play essential, non-redundant roles. A single amino acid substitution of serine 358 to leucine (S358L) in LUMA is the unequivocal cause of a distinct form of arrhythmogenic cardiomyopathy...
October 12, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/29024245/hace1-influences-zebrafish-cardiac-development-via-ros-dependent-mechanisms
#3
Babak Razaghi, Shelby L Steele, Sergey V Prykhozhij, Matthew R Stoyek, Jessica A Hill, Matthew D Cooper, Lindsay McDonald, William Lin, Mads Daugaard, Nicolas Crapoulet, Simi Chacko, Stephen Lewis, Ian C Scott, Poul H B Sorensen, Jason N Berman
BACKGROUND: In this study we reveal a previously undescribed role of the HACE1 (HECT domain and Ankyrin repeat Containing E3 ubiquitin-protein ligase 1) tumor suppressor protein in normal vertebrate heart development using the zebrafish (Danio rerio) model. We examined the link between the cardiac phenotypes associated with hace1 loss of function to the expression of the Rho small family GTPase, rac1, which is a known target of HACE1 and promotes ROS production via its interaction with NADPH oxidase holoenzymes...
October 11, 2017: Developmental Dynamics: An Official Publication of the American Association of Anatomists
https://www.readbyqxmd.com/read/29021267/association-of-neighborhood-socioeconomic-context-with-participation-in-cardiac-rehabilitation
#4
Justin M Bachmann, Shi Huang, Deepak K Gupta, Loren Lipworth, Michael T Mumma, William J Blot, Elvis A Akwo, Sunil Kripalani, Mary A Whooley, Thomas J Wang, Matthew S Freiberg
BACKGROUND: Cardiac rehabilitation (CR) is underutilized in the United States, with fewer than 20% of eligible patients participating in CR programs. Individual socioeconomic status is associated with CR utilization, but data regarding neighborhood characteristics and CR are sparse. We investigated the association of neighborhood socioeconomic context with CR participation in the SCCS (Southern Community Cohort Study). METHODS AND RESULTS: The SCCS is a prospective cohort study of 84 569 adults in the southeastern United States from 2002 to 2009, 52 117 of whom have Medicare or Medicaid claims...
October 11, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28972674/quantifying-rapid-changes-in-cardiovascular-state-with-a-moving-ensemble-average
#5
Matthew Cieslak, William S Ryan, Viktoriya Babenko, Hannah Erro, Zoe M Rathbun, Wendy Meiring, Robert M Kelsey, Jim Blascovich, Scott T Grafton
MEAP, the moving ensemble analysis pipeline, is a new open-source tool designed to perform multisubject preprocessing and analysis of cardiovascular data, including electrocardiogram (ECG), impedance cardiogram (ICG), and continuous blood pressure (BP). In addition to traditional ensemble averaging, MEAP implements a moving ensemble averaging method that allows for the continuous estimation of indices related to cardiovascular state, including cardiac output, preejection period, heart rate variability, and total peripheral resistance, among others...
October 3, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28925929/canadian-guidelines-for-controlled-pediatric-donation-after-circulatory-determination-of-death-summary-report
#6
Matthew J Weiss, Laura Hornby, Bram Rochwerg, Michael van Manen, Sonny Dhanani, V Ben Sivarajan, Amber Appleby, Mary Bennett, Daniel Buchman, Catherine Farrell, Aviva Goldberg, Rebecca Greenberg, Ram Singh, Thomas A Nakagawa, William Witteman, Jill Barter, Allon Beck, Kevin Coughlin, Alf Conradi, Cynthia Cupido, Rosanne Dawson, Anne Dipchand, Darren Freed, Karen Hornby, Valerie Langlois, Cheryl Mack, Meagan Mahoney, Deepak Manhas, Christopher Tomlinson, Samara Zavalkoff, Sam D Shemie
OBJECTIVES: Create trustworthy, rigorous, national clinical practice guidelines for the practice of pediatric donation after circulatory determination of death in Canada. METHODS: We followed a process of clinical practice guideline development based on World Health Organization and Canadian Medical Association methods. This included application of Grading of Recommendations Assessment, Development, and Evaluation methodology. Questions requiring recommendations were generated based on 1) 2006 Canadian donation after circulatory determination of death guidelines (not pediatric specific), 2) a multidisciplinary symposium of national and international pediatric donation after circulatory determination of death leaders, and 3) a scoping review of the pediatric donation after circulatory determination of death literature...
September 15, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28920097/acute-cd47-blockade-during-ischemic-myocardial-reperfusion-enhances-phagocytosis-associated-cardiac-repair
#7
Shuang Zhang, Xin-Yi Yeap, Matthew DeBerge, Nivedita K Naresh, Kevin Wang, Zhengxin Jiang, Jane E Wilcox, Steven M White, John P Morrow, Paul W Burridge, Daniel Procissi, Evan A Scott, William Frazier, Edward B Thorp
Our data suggest that, after a myocardial infarction, integrin-associated protein CD47 on cardiac myocytes is elevated. In culture, increased CD47 on the surface of dying cardiomyocytes impairs phagocytic removal by immune cell macrophages. After myocardial ischemia and reperfusion, acute CD47 inhibition with blocking antibodies enhanced dead myocyte clearance by cardiac phagocytes and also improved the resolution of cardiac inflammation, reduced infarct size, and preserved cardiac contractile function. Early targeting of CD47 in the myocardium after reperfusion may be a new strategy to enhance wound repair in the ischemic heart...
August 2017: JACC. Basic to Translational Science
https://www.readbyqxmd.com/read/28859401/do-bar-headed-geese-train-for-high-altitude-flights
#8
Lucy A Hawkes, Nyambayar Batbayar, Patrick J Butler, Beverley Chua, Peter B Frappell, Jessica U Meir, William K Milsom, Tseveenmyadag Natsagdorj, Nicole Parr, Graham R Scott, John Y Takekawa, Martin WikeIski, Matthew J Witt, Charles M Bishop
Exercise at high altitude is extremely challenging, largely due to hypobaric hypoxia (low oxygen levels brought about by low air pressure). In humans, the maximal rate of oxygen consumption decreases with increasing altitude, supporting progressively poorer performance. Bar-headed geese (Anser indicus) are renowned high altitude migrants and, although they appear to minimize altitude during migration where possible, they must fly over the Tibetan Plateau (mean altitude 4800 m) for much of their annual migration...
August 1, 2017: Integrative and Comparative Biology
https://www.readbyqxmd.com/read/28851810/mertk-cleavage-on-resident-cardiac-macrophages-compromises-repair-after-myocardial-ischemia-reperfusion-injury
#9
Matthew DeBerge, Xin Yi Yeap, Shirley Dehn, Shuang Zhang, Lubov Grigoryeva, Sol Misener, Daniel Procissi, Xin Zhou, Daniel C Lee, William A Muller, Xunrong Luo, Carla Rothlin, Ira Tabas, Edward B Thorp
RATIONALE: Clinical benefits of reperfusion after myocardial infarction are offset by maladaptive innate immune cell function, and therapeutic interventions are lacking. OBJECTIVE: We sought to test the significance of phagocytic clearance by resident and recruited phagocytes after myocardial ischemia reperfusion. METHODS AND RESULTS: In humans, we discovered that clinical reperfusion after myocardial infarction led to significant elevation of the soluble form of MerTK (myeloid-epithelial-reproductive tyrosine kinase; ie, soluble MER), a critical biomarker of compromised phagocytosis by innate macrophages...
September 29, 2017: Circulation Research
https://www.readbyqxmd.com/read/28843411/the-activin-receptor-is-stimulated-in-the-skeleton-vasculature-heart-and-kidney-during-chronic-kidney-disease
#10
Matthew J Williams, Toshifumi Sugatani, Olga A Agapova, Yifu Fang, Joseph P Gaut, Marie-Claude Faugere, Hartmut H Malluche, Keith A Hruska
We examined activin receptor type IIA (ActRIIA) activation in chronic kidney disease (CKD) by signal analysis and inhibition in mice with Alport syndrome using the ActRIIA ligand trap RAP-011 initiated in 75-day-old Alport mice. At 200 days of age, there was severe CKD and associated Mineral and Bone Disorder (CKD-MBD), consisting of osteodystrophy, vascular calcification, cardiac hypertrophy, hyperphosphatemia, hyperparathyroidism, elevated FGF23, and reduced klotho. The CKD-induced bone resorption and osteoblast dysfunction was reversed, and bone formation was increased by RAP-011...
August 23, 2017: Kidney International
https://www.readbyqxmd.com/read/28807212/comparison-of-normothermic-and-hypothermic-perfusion-in-porcine-kidneys-donated-after-cardiac-death
#11
COMPARATIVE STUDY
Matthew F Blum, Qiang Liu, Basem Soliman, Paul Dreher, Toshihiro Okamoto, Emilio D Poggio, David A Goldfarb, William M Baldwin, Cristiano Quintini
BACKGROUND: Normothermic machine perfusion (NMP) is an alternative strategy for preserving kidneys donated after cardiac death (DCD). The relative efficacy of prolonged NMP compared to hypothermic machine perfusion (HMP) in DCD kidneys with moderate ischemic injury is undetermined. This study compares NMP and HMP kidney preservation in a porcine DCD model. METHODS: Ten porcine kidneys underwent NMP or HMP preservation following 45 minutes of warm ischemia and 5 hours of cold ischemia...
August 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28802637/blood-pressure-responses-to-dietary-sodium-association-with-autonomic-cardiovascular-function-in-normotensive-adults
#12
Evan L Matthews, Michael S Brian, David G Edwards, Sean D Stocker, Megan M Wenner, William B Farquhar
Blood pressure responses to dietary sodium vary widely person-to-person. Salt sensitive rodent models display altered autonomic function, a trait thought to contribute to poor cardiovascular health. Thus, we hypothesized that increased salt sensitivity (SS) in normotensive humans would be associated with increased muscle sympathetic nerve activity (MSNA), decreased high frequency heart rate variability (HF-HRV), and decreased baroreflex sensitivity. Healthy normotensive men and women completed 1week of high (300mmol·day(-1)) and 1week of low (20mmol·day(-1)) dietary sodium (random order) with 24h mean arterial pressure (MAP) assessed on the last day of each diet to assess SS...
August 6, 2017: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/28798025/novel-genetic-triggers-and-genotype-phenotype-correlations-in-patients-with-left-ventricular-noncompaction
#13
Karol Miszalski-Jamka, John L Jefferies, Wojciech Mazur, Jan Głowacki, Jianhong Hu, Monika Lazar, Richard A Gibbs, Jacek Liczko, Jan Kłyś, Eric Venner, Donna M Muzny, Jarosław Rycaj, Jacek Białkowski, Ewa Kluczewska, Zbigniew Kalarus, Shalini Jhangiani, Hussein Al-Khalidi, Tomasz Kukulski, James R Lupski, William J Craigen, Matthew N Bainbridge
BACKGROUND: Left ventricular noncompaction (LVNC) is a genetically and phenotypically heterogeneous disease and, although increasingly recognized in clinical practice, there is a lack of widely accepted diagnostic criteria. We sought to identify novel genetic causes of LVNC and describe genotype-phenotype correlations. METHODS AND RESULTS: A total of 190 patients from 174 families with left ventricular hypertrabeculation (LVHT) or LVNC were referred for cardiac magnetic resonance and whole-exome sequencing...
August 2017: Circulation. Cardiovascular Genetics
https://www.readbyqxmd.com/read/28678071/reporting-of-perioperative-adverse-events-by-pediatric-anesthesiologists-at-a-tertiary-children-s-hospital-targeted-interventions-to-increase-the-rate-of-reporting
#14
Glyn D Williams, Matthew K Muffly, Julianne M Mendoza, Nina Wixson, Kit Leong, Rebecca E Claure
BACKGROUND: Incident reporting systems (IRSs) are important patient safety tools for identifying risks and opportunities for improvement. A major IRS limitation is underreporting of incidents. Perioperative anesthesia IRSs have been established at multiple pediatric institutions and a national pediatric anesthesia IRS for perioperative serious adverse events (SAEs) is maintained by Wake Up Safe (WUS), a patient safety organization dedicated to pediatric anesthesia quality improvement...
November 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28674032/genetic-adjuvantation-of-a-cell-based-therapeutic-vaccine-for-amelioration-of-chagasic-cardiomyopathy
#15
Vanaja Konduri, Matthew M Halpert, Dan Liang, Jonathan M Levitt, Julio Vladimir Cruz-Chan, Bin Zhan, Maria Elena Bottazzi, Peter J Hotez, Kathryn M Jones, William K Decker
Chagas disease, caused by infection with the protozoan parasite Trypanosoma cruzi, is a leading cause of heart disease ("chagasic cardiomyopathy") in Latin America, disproportionately affecting people in resource-poor areas. The efficacy of currently approved pharmaceutical treatments is limited mainly to acute infection, and there are no effective treatments for the chronic phase of the disease. Preclinical models of Chagas disease have demonstrated that antigen-specific CD8(+) gamma interferon (IFN-γ)-positive T-cell responses are essential for reducing parasite burdens, increasing survival, and decreasing cardiac pathology in both the acute and chronic phases of Chagas disease...
September 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28598945/long-term-outcomes-of-pediatric-cardiac-patients-supported-by-extracorporeal-membrane-oxygenation
#16
Matthew D Elias, Barbara-Jo Achuff, Richard F Ittenbach, Chitra Ravishankar, Thomas L Spray, Stephanie Fuller, Lisa M Montenegro, J William Gaynor, Matthew J O'Connor
OBJECTIVE: Extracorporeal membrane oxygenation is an important form of short-term mechanical support in children with cardiac disease, but information on long-term outcomes and quality of life is limited. The primary objective of this study was to determine the long-term outcomes of children previously supported by extracorporeal membrane oxygenation for cardiac etiologies. DESIGN: A retrospective analysis was performed on patients with cardiac disease managed with extracorporeal membrane oxygenation between January 1, 1995, and December 31, 2012, at the Children's Hospital of Philadelphia...
August 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28574204/rational-clinical-evaluation-of-suspected-acute-coronary-syndromes-the-value-of-more-information
#17
David G Hancock, Ming-Yu Anthony Chuang, Rebecca Bystrom, Amera Halabi, Rachel Jones, Matthew Horsfall, Louise Cullen, William A Parsonage, Derek P Chew
OBJECTIVE: Many meta-analyses have provided synthesised likelihood ratio data to aid clinical decision-making. However, much less has been published on how to safely combine clinical information in practice. We aimed to explore the benefits and risks of pooling clinical information during the ED assessment of suspected acute coronary syndrome. METHODS: Clinical information on 1776 patients was collected within a randomised trial conducted across five South Australian EDs between July 2011 and March 2013...
June 2, 2017: Emergency Medicine Australasia: EMA
https://www.readbyqxmd.com/read/28574105/development-of-a-prolonged-warm-ex-vivo-perfusion-model-for-kidneys-donated-after-cardiac-death
#18
Daniel Urcuyo, Matthew F Blum, Qiang Liu, Ahmed Nassar, Laura D Buccini, Teresa Diago Uso, Emilio D Poggio, William M Baldwin Iii, David A Goldfarb, Cristiano Quintini
PURPOSE: Ex vivo perfusion of marginal kidney grafts offers the chance to expand the donor pool, but there is no current clinical standard for the prolonged warm perfusion of renal grafts. This exploratory pilot study seeks to identify a stable ex vivo kidney perfusion model that can support low intravascular resistance and preserve histologic architecture in a porcine donation after cardiac death (DCD) model. METHODS: 15 kidneys were preserved in 1 of 3 settings: normothermic whole blood (NT-WB), normothermic Steen Solution™ (XVIVO Perfusion) with whole blood (NT-Steen/WB), or subnormothermic Steen Solution™ at 21°C (SNT-Steen)...
June 9, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/28526246/impaired-mitophagy-facilitates-mitochondrial-damage-in-danon-disease
#19
Sherin I Hashem, Anne N Murphy, Ajit S Divakaruni, Matthew L Klos, Bradley C Nelson, Emily C Gault, Teisha J Rowland, Cynthia N Perry, Yusu Gu, Nancy D Dalton, William H Bradford, Eric J Devaney, Kirk L Peterson, Kenneth L Jones, Matthew R G Taylor, Ju Chen, Neil C Chi, Eric D Adler
RATIONALE: Lysosomal associated membrane protein type-2 (LAMP-2) is a highly conserved, ubiquitous protein that is critical for autophagic flux. Loss of function mutations in the LAMP-2 gene cause Danon disease, a rare X-linked disorder characterized by developmental delay, skeletal muscle weakness, and severe cardiomyopathy. We previously found that human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) from Danon patients exhibited significant mitochondrial oxidative stress and apoptosis...
May 16, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/28506913/predicting-determinants-of-atrial-fibrillation-or-flutter-for-therapy-elucidation-in-patients-at-risk-for-thromboembolic-events-predate-af-study
#20
Javed M Nasir, William Pomeroy, Adam Marler, Matthew Hann, Tina Baykaner, Ronald Jones, Richard Stoll, Katherine Hursey, Angela Meadows, Jennifer Walker, Steve Kindsvater
BACKGROUND: Atrial fibrillation (AF) is the most common clinically significant cardiac rhythm disorder. There is considerable interest in screening for AF, as it is a leading cause of stroke, and oral anticoagulants (OACs) have been shown to significantly reduce the risk of stroke in patients with AF. Improved screening for AF with subsequent treatment may help improve long-term outcomes, but the optimal patient population and screening intensity are unknown. OBJECTIVES: In this study, we prospectively evaluated the use of the CHA2DS2-VASc score for the prediction of new-onset AF using insertable cardiac monitors (ICMs) and examined whether this screening led to the initiation of OAC therapy...
July 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
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