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https://www.readbyqxmd.com/read/29346837/a-phase-1-randomized-placebo-and-active-controlled-crossover-study-to-determine-the-effect-of-single-dose-ertugliflozin-on-qtc-interval-in-healthy-volunteers
#1
Vaishali Sahasrabudhe, Didier Saur, Kyle Matschke, Steven G Terra, Anne Hickman, Isabelle Huyghe, Haihong Shi, David L Cutler
Ertugliflozin, a selective sodium-glucose cotransporter-2 inhibitor, is being developed for the treatment of type 2 diabetes mellitus. This randomized, 6-sequence, 3-period crossover study assessed the effect of ertugliflozin (100 mg; supratherapeutic dose) vs placebo and moxifloxacin (400 mg; positive control) on the QT interval corrected for heart rate (QTc) in 42 male or female healthy subjects. Triplicate electrocardiograms were performed predose and serially over 48 hours postdose in each treatment period...
January 18, 2018: Clinical Pharmacology in Drug Development
https://www.readbyqxmd.com/read/29346763/derepression-of-the-iroquois-homeodomain-transcription-factor-gene-irx3-confers-differentiation-block-in-acute-leukemia
#2
Tim D D Somerville, Fabrizio Simeoni, John A Chadwick, Emma L Williams, Gary J Spencer, Katalin Boros, Christopher Wirth, Eleni Tholouli, Richard J Byers, Tim C P Somervaille
The Iroquois homeodomain transcription factor gene IRX3 is expressed in the developing nervous system, limb buds, and heart, and transcript levels specify obesity risk in humans. We now report a functional role for IRX3 in human acute leukemia. Although transcript levels are very low in normal human bone marrow cells, high IRX3 expression is found in ∼30% of patients with acute myeloid leukemia (AML), ∼50% with T-acute lymphoblastic leukemia, and ∼20% with B-acute lymphoblastic leukemia, frequently in association with high-level HOXA gene expression...
January 16, 2018: Cell Reports
https://www.readbyqxmd.com/read/29346760/single-cell-transcriptional-profiling-reveals-cellular-diversity-and-intercommunication-in-the-mouse-heart
#3
Daniel A Skelly, Galen T Squiers, Micheal A McLellan, Mohan T Bolisetty, Paul Robson, Nadia A Rosenthal, Alexander R Pinto
Characterization of the cardiac cellulome, the network of cells that form the heart, is essential for understanding cardiac development and normal organ function and for formulating precise therapeutic strategies to combat heart disease. Recent studies have reshaped our understanding of cardiac cellular composition and highlighted important functional roles for non-myocyte cell types. In this study, we characterized single-cell transcriptional profiles of the murine non-myocyte cardiac cellular landscape using single-cell RNA sequencing (scRNA-seq)...
January 16, 2018: Cell Reports
https://www.readbyqxmd.com/read/29346594/the-heart-in-embryology
#4
Narges Tajik, Arman Zargaran, Mohammad Kermani-Alghoraishi
No abstract text is available yet for this article.
January 14, 2018: European Heart Journal
https://www.readbyqxmd.com/read/29346593/heart-group-meeting
#5
Thomas F Lüscher
No abstract text is available yet for this article.
January 14, 2018: European Heart Journal
https://www.readbyqxmd.com/read/29346550/coronary-microvascular-dysfunction-and-heart-failure-with-preserved-ejection-fraction-as-female-pattern-cardiovascular-disease-the-chicken-or-the-egg
#6
Michael D Nelson, Janet Wei, C Noel Bairey Merz
No abstract text is available yet for this article.
January 16, 2018: European Heart Journal
https://www.readbyqxmd.com/read/29346535/tricuspid-regurgitation-in-acute-heart-failure-is-there-any-incremental-risk
#7
Diab Mutlak, Jonathan Lessick, Shehrban Khalil, Sergey Yalonetsky, Yoram Agmon, Doron Aronson
Aim: Significant tricuspid regurgitation (TR) is common in heart failure (HF) and portends poor prognosis. We sought to determine whether the poor outcome results from the TR itself, or whether the TR is a surrogate marker of advanced left-sided myocardial or valvular heart disease. Methods and results: We studied 639 patients admitted for acute HF. The relationship between TR severity and the endpoint of readmission for HF or mortality was assessed after adjustment for multiple clinical and echocardiographic parameters...
January 15, 2018: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/29346474/examining-non-participation-to-the-maternal-follow-up-within-the-danish-national-birth-cohort
#8
Mette Bliddal, Zeyan Liew, Anton Pottegård, Helene Kirkegaard, Jørn Olsen, Ellen A Nohr
A follow-up questionnaire on maternal health has been distributed within the Danish National Birth Cohort (established 1996-2002) 14 years after the index birth. Answers were obtained for 41,466 of 78,010 (53.2%) eligible mothers. To ensure the appropriate use of these data, the possibility of selection bias due to non-participation must be evaluated. We estimated four selected exposure-outcome associations (pre-pregnancy weight - depression; exercise - degenerative musculoskeletal conditions; smoking - heart disease; and alcohol consumption - breast cancer)...
January 16, 2018: American Journal of Epidemiology
https://www.readbyqxmd.com/read/29346407/relaxin-reverses-inflammatory-and-immune-signals-in-aged-hearts
#9
Brian Martin, Beth Ann Gabris-Weber, Rajiv Reddy, Guillermo Romero, Ansuman Chattopadhyay, Guy Salama
BACKGROUND: 'Healthy' aging drives structural and functional changes in the heart including maladaptive electrical remodeling, fibrosis and inflammation, which lower the threshold for cardiovascular diseases such as heart failure (HF) and atrial fibrillation (AF). Despite mixed results in recent clinical trials, Relaxin-therapy for 2-days could reduce mortality by 37% at 180-days post-treatment, in patients with acute decompensated HF. Relaxin's short life-span (hours) but long-lasting protective actions led us to test the hypothesis that relaxin acts at a genomic level to reverse maladaptive remodeling in aging and HF...
2018: PloS One
https://www.readbyqxmd.com/read/29346354/compassion-from-a-palliative-care-perspective
#10
Antonio Fernando, Conor Rea, Phillipa J Malpas
BACKGROUND: Compassion is a core virtue in medicine and lies at the heart of good medical care. It connects us to each other and reflects our need for relationships with others. AIM: Our aim is to explore how palliative care patients perceive, understand and experience compassion from health professionals, and to inform clinical practice. METHODS: Seven hospice managers in the North Island of New Zealand were contacted and invited to join the study...
January 19, 2018: New Zealand Medical Journal
https://www.readbyqxmd.com/read/29346340/disparities-in-preconception-health-indicators-%C3%A2-behavioral-risk-factor-surveillance-system-2013-2015-and-pregnancy-risk-assessment-monitoring-system-2013-2014
#11
Cheryl Robbins, Sheree L Boulet, Isabel Morgan, Denise V D'Angelo, Lauren B Zapata, Brian Morrow, Andrea Sharma, Charlan D Kroelinger
PROBLEM/CONDITION: Preconception health is a broad term that encompasses the overall health of nonpregnant women during their reproductive years (defined here as aged 18-44 years). Improvement of both birth outcomes and the woman's health occurs when preconception health is optimized. Improving preconception health before and between pregnancies is critical for reducing maternal and infant mortality and pregnancy-related complications. The National Preconception Health and Health Care Initiative's Surveillance and Research work group suggests ten prioritized indicators that states can use to monitor programs or activities for improving the preconception health status of women of reproductive age...
January 19, 2018: MMWR. Surveillance Summaries: Morbidity and Mortality Weekly Report. Surveillance Summaries
https://www.readbyqxmd.com/read/29346331/growth-hormone-gh-and-cardiovascular-system
#12
REVIEW
Diego Caicedo, Oscar Díaz, Pablo Devesa, Jesús Devesa
This review describes the positive effects of growth hormone (GH) on the cardiovascular system. We analyze why the vascular endothelium is a real internal secretion gland, whose inflammation is the first step for developing atherosclerosis, as well as the mechanisms by which GH acts on vessels improving oxidative stress imbalance and endothelial dysfunction. We also report how GH acts on coronary arterial disease and heart failure, and on peripheral arterial disease, inducing a neovascularization process that finally increases flow in ischemic tissues...
January 18, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29346259/do-patients-supported-with-continuous-flow-left-ventricular-assist-device-cf-lvads-have-a-sufficient-risk-of-death-to-justify-a-priority-allocation-a-propensity-score-matched-analysis-of-patients-listed-in-unos-status-2
#13
Stefano Mastrobuoni, Angelo Maria Dell'Aquila, Olivier Van Caenegem, Alain Poncelet, Luc-Marie Jacquet, Josè Garcia
BACKGROUND: Outcomes of Continuous Flow Left Ventricular Assist Devices (CF-LVADs) as bridge to transplant have significantly improved. The question has arisen whether patients on CF-LVADs have an increased risk of death on the waiting list as to justify a priority allocation (status 1). The aim of this study was to compare the survival following implantation of CF-LVADs to the survival on the waiting list for patients initially listed in United Network for Organ Sharing (UNOS) status 2...
January 18, 2018: Transplantation
https://www.readbyqxmd.com/read/29346235/posttraumatic-stress-in-children-after-injury-the-role-of-acute-pain-and-opioid-medication-use
#14
Aimee K Hildenbrand, Nancy Kassam-Adams, Lamia P Barakat, Kristen L Kohser, Jeffrey A Ciesla, Douglas L Delahanty, Joel A Fein, Lindsay B Ragsdale, Meghan L Marsac
OBJECTIVES: After injury, many children experience posttraumatic stress symptoms (PTSS) that negatively impact recovery. Acute pain and PTSS share neurobiological pathways, and acute dosage of morphine has been linked to reduced PTSS in naturalistic studies. However, the complex interactions between pain, morphine and other opioid use, and PTSS have yet to be investigated in robust pediatric samples.This prospective, longitudinal study examined relationships between acute pain, opioid medications, and PTSS after pediatric injury...
January 16, 2018: Pediatric Emergency Care
https://www.readbyqxmd.com/read/29346209/the-society-of-thoracic-surgeons-the-society-of-cardiovascular-anesthesiologists-and-the-american-society-of-extracorporeal-technology-clinical-practice-guidelines-anticoagulation-during-cardiopulmonary-bypass
#15
Linda Shore-Lesserson, Robert A Baker, Victor A Ferraris, Philip E Greilich, David Fitzgerald, Philip Roman, John W Hammon
Despite more than a half century of "safe" cardiopulmonary bypass (CPB), the evidence base surrounding the conduct of anticoagulation therapy for CPB has not been organized into a succinct guideline. For this and other reasons, there is enormous practice variability relating to the use and dosing of heparin, monitoring heparin anticoagulation, reversal of anticoagulation, and the use of alternative anticoagulants. To address this and other gaps, The Society of Thoracic Surgeons, the Society of Cardiovascular Anesthesiologists, and the American Society of Extracorporeal Technology developed an Evidence Based Workgroup...
February 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29346192/image-quality-overall-evaluability-and-effective-radiation-dose-of-coronary-computed-tomography-angiography-with-prospective-electrocardiographic-triggering-plus-intracycle-motion-correction-algorithm-in-patients-with-a-heart-rate-over-65-beats-per-minute
#16
Gianluca Pontone, Giuseppe Muscogiuri, Andrea Baggiano, Daniele Andreini, Andrea I Guaricci, Marco Guglielmo, Fabio Fazzari, Saima Mushtaq, Edoardo Conte, Andrea Annoni, Alberto Formenti, Elisabetta Mancini, Massimo Verdecchia, Laura Fusini, Lorenzo Bonfanti, Elisa Consiglio, Mark G Rabbat, Antonio L Bartorelli, Mauro Pepi
PURPOSE: Recently, a new intracycle motion correction algorithm (MCA) was introduced to reduce motion artifacts from heart rate (HR) in coronary computed tomography angiography (cCTA). The aim of the study was to evaluate the image quality, overall evaluability, and effective radiation dose (ED) of cCTA with prospective electrocardiographic (ECG) triggering plus MCA as compared with standard protocol with retrospective ECG triggering in patients with HR≥65 bpm. MATERIALS AND METHODS: One hundred consecutive patients (67±10 y) scheduled for cCTA with 65<HR<80 bpm were retrospectively analyzed...
January 16, 2018: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/29346131/toxicological-profile-and-safety-pharmacology-of-a-single-dose-of-fibroblast-activation-protein-%C3%AE-based-doxorubicin-prodrug-in-vitro-and-in-vivo-evaluation
#17
Sichao Huang, Yuchen Zhang, Jinsong Zhong, Ying Pan, Shaohui Cai, Jun Xu
Fibroblast activation protein-α (FAPα) is a promising tumor-associated target expressed by reactive stromal fibroblasts in tumor tissue. FAPα has a postprolyl peptidase activity and can specifically cleave N-terminal benzyloxycarbonyl (Z)-blocked peptides, such as the substrate Z-Gly-Pro-AMC. Doxorubicin (DOX) is an effective antitumor drug, but its application is greatly limited by toxic adverse effects owing to poor tumor selectivity. Based on these facts, we previously designed a FAPα-targeting prodrug of doxorubicin (FTPD) which can be selectively hydrolyzed by FAPα...
January 17, 2018: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29346115/mitochondrial-dysfunction-a-key-player-in-the-pathogenesis-of-cardiovascular-diseases-linked-to-air-pollution
#18
REVIEW
Sri Rahavi Boovarahan, Gino A Kurian
Air pollution has become an environmental burden with regard to non-communicable diseases, particularly heart disease. It has been reported that air pollution can accelerate the development of heart failure and atrial fibrillation. Air pollutants encompass various particulate matters (PMs), which change the blood composition and heart rate and eventually leads to cardiac failure by triggering atherosclerotic plaque ruptures or by developing irreversible ischemia. A series of major epidemiological and observational studies have established the noxious effect of air pollutants on cardiovascular diseases (CVD), but the underlying molecular mechanisms of its susceptibility and the pathological disease events remain largely elusive and are predicted to be initiated in the cell organelle...
January 18, 2018: Reviews on Environmental Health
https://www.readbyqxmd.com/read/29346109/endocardial-energy-harvesting-by-electromagnetic-induction
#19
Adrian Zurbuchen, Andreas Haeberlin, Lukas Bereuter, Alois Pfenniger, Simon Bosshard, Micha Kernen, Paul Philipp Heinisch, Juerg Fuhrer, Rolf Vogel
OBJECTIVE: cardiac pacemakers require regular medical follow-ups to ensure proper functioning. However, device replacements due to battery depletion are common and account for ∼25% of all implantation procedures. Furthermore, conventional pacemakers require pacemaker leads which are prone to fractures, dislocations or isolation defects. The ensuing surgical interventions increase risks for the patients and costs that need to be avoided. METHODS: in this study, we present a method to harvest energy from endocardial heart motions...
February 2018: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/29346062/television-viewing-time-physical-activity-and-mortality-among-african-americans
#20
Tasnim F Imran, Mark Ommerborn, Cheryl Clark, Adolfo Correa, Patricia Dubbert, J Michael Gaziano, Luc Djoussé
BACKGROUND: Prolonged television viewing time, a marker of sedentary activity, is independently associated with increased all-cause mortality; however, this association has rarely been studied in African Americans. The objective of our study was to examine the association between television viewing time and mortality among African Americans by using data from the Jackson Heart Study (JHS). METHODS: We studied 5,289 participants from the JHS study who reported television viewing time (h/day) in the JHS baseline questionnaire from 2000 through 2004...
January 18, 2018: Preventing Chronic Disease
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