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ballantyne syndrome

Dirk J Blom, Michael J Koren, Eli Roth, Maria Laura Monsalvo, C Stephen Djedjos, Patric Nelson, Mary Elliott, Scott M Wasserman, Christie M Ballantyne, Rury R Holman
AIM: To examine the lipid and glycaemic effects of 52 weeks of treatment with evolocumab. MATERIALS AND METHODS: The Durable Effect of PCSK9 Antibody Compared with Placebo Study (DESCARTES) was a 52-week placebo-controlled trial of evolocumab that randomized 905 patients from 88 study centres in 9 countries, with 901 receiving at least one dose of study drug. For this post-hoc analysis, DESCARTES patients were categorized by baseline glycaemic status: type 2 diabetes, impaired fasting glucose (IFG), metabolic syndrome (MetS) or none of these...
September 13, 2016: Diabetes, Obesity & Metabolism
Ilvira M Khan, Yashashwi Pokharel, Razvan T Dadu, Dorothy E Lewis, Ron C Hoogeveen, Huaizhu Wu, Christie M Ballantyne
CONTEXT: Postprandial hyperlipidemia has been suggested to contribute to atherogenesis by inducing proinflammatory changes in monocytes. Individuals with metabolic syndrome (MS), shown to have higher blood triglyceride concentration and delayed triglyceride clearance, may thus have increased risk for development of atherosclerosis. OBJECTIVE: To examine fasting levels and effects of a high-fat meal on phenotypes of monocyte subsets in individuals with obesity and MS and in healthy controls...
August 30, 2016: Journal of Clinical Endocrinology and Metabolism
Takeshi Umazume, Mamoru Morikawa, Takahiro Yamada, Hisanori Minakami
We report a pregnant woman who was monitored by echocardiography and determination of blood variables, including components of the renin-angiotensin-aldosterone system (RAAS), cardiac biomarkers and soluble fms-like tyrosine kinase-1 (sFlt-1), during and after the development of Ballantyne syndrome. Generalised maternal oedema with dyspnoea following fetal and placental hydrops necessitated a caesarean section at 33 weeks of gestation. Changes in blood variables and simultaneous echocardiography changes indicated acutely enhanced RAAS and hyperdynamic left ventricular function in response to excessive volume overload (as evidenced by brain-type natriuretic peptide level of 523 pg/mL) in the absence of increased systemic vascular resistance...
2016: BMJ Case Reports
Carrie J Ballantyne, María Núñez
BACKGROUND/AIMS: Despite the advances in understanding visuo-spatial processing in developmental disorders such as ASD and fragile X syndrome (FXS), less is known about the profile of those with a comorbid diagnosis, or the role of within-disorder disparities between individuals across the ASD spectrum. METHODS AND PROCEDURES: Using a developmental trajectory approach, we tested 5 groups of children: Typically developing, FXS, FXS+ASD, ASD individuals who had low-moderate symptoms (HFA) and ASD individuals who had severe symptoms (LFA)...
April 2016: Research in Developmental Disabilities
Han Li, Wei-Rong Gu
Mirror syndrome is also known as Ballantyne syndrome, maternal hydrops, triple edema and pseudotoxemia. The disease can be difficult to diagnose, is related to pregnancy and can grievously endanger the health of both the mother and fetus. The pathogenesis of the disease has not been fully elucidated, and this disease may be confused with preeclampsia, even though distinguishing features can be identified. In this report case, we describe a pregnant woman who suffered from mirror syndrome associated with heart failure...
2015: International Journal of Clinical and Experimental Medicine
Jeffrey B Rosen, Christie M Ballantyne, Willa A Hsueh, Jianxin Lin, Arvind K Shah, Robert S Lowe, Andrew M Tershakovec
BACKGROUND: Metabolic syndrome (MetS) and insulin resistance (IR) are increasing in prevalence, are associated with higher risk for coronary heart disease (CHD), and may potentially influence the responses to lipid-altering drug therapy. This study evaluated the effects of MetS factors (abdominal obesity, depleted high-density lipoprotein cholesterol [HDL-C], and elevated triglycerides, blood pressure, and fasting glucose) and IR on ezetimibe/simvastatin and atorvastatin treatment efficacy in patients with MetS...
2015: Lipids in Health and Disease
Salim S Virani, Julia M Akeroyd, Vijay Nambi, Thomas M Maddox, Michael A Gillette, P Michael Ho, John Rumsfeld, Laura A Petersen, Christie M Ballantyne
PURPOSE: In the IMProved Reduction of Outcomes: Vytorin Efficacy International Trial (IMPROVE-IT), simvastatin/ezetimibe combination was associated with a 6% relative risk reduction in the combined cardiovascular outcome compared with simvastatin alone in patients with acute coronary syndrome. Given strict inclusion criteria (low-density lipoprotein cholesterol 50-125 mg/dL and no use of statins more potent than simvastatin 40 mg), the implications of this important trial in routine acute coronary syndrome care are unknown...
November 2015: American Journal of Medicine
Nicole Haese, Rebecca L Brocato, Thomas Henderson, Matthew L Nilles, Steve A Kwilas, Matthew D Josleyn, Christopher D Hammerbeck, James Schiltz, Michael Royals, John Ballantyne, Jay W Hooper, David S Bradley
Andes virus (ANDV) and ANDV-like viruses are responsible for most hantavirus pulmonary syndrome (HPS) cases in South America. Recent studies in Chile indicate that passive transfer of convalescent human plasma shows promise as a possible treatment for HPS. Unfortunately, availability of convalescent plasma from survivors of this lethal disease is very limited. We are interested in exploring the concept of using DNA vaccine technology to produce antiviral biologics, including polyclonal neutralizing antibodies for use in humans...
2015: PLoS Neglected Tropical Diseases
Harold E Bays, Christie M Ballantyne, Rene A Braeckman, William G Stirtan, Ralph T Doyle, Sephy Philip, Paresh N Soni, Rebecca A Juliano
BACKGROUND: The aim of this analysis was to examine the effects of icosapent ethyl (eicosapentaenoic acid ethyl ester, IPE) on high-sensitivity C-reactive protein (hsCRP) and lipid parameters in patients with metabolic syndrome, with and without stable statin therapy. METHODS: This post hoc exploratory analysis evaluated patients with metabolic syndrome treated with IPE 4 grams/day, IPE 2 grams/day, or placebo in phase 3, randomized, placebo-controlled studies entitled: MARINE [triglyceride (TG) levels ≥500 and ≤2000 mg/dL] and ANCHOR [TG levels ≥200 and <500 mg/dL, despite low-density lipoprotein cholesterol (LDL-C) control with stable statin therapy]...
August 2015: Metabolic Syndrome and related Disorders
Jay W Hooper, Rebecca L Brocato, Steven A Kwilas, Christopher D Hammerbeck, Matthew D Josleyn, Michael Royals, John Ballantyne, Hua Wu, Jin-an Jiao, Hiroaki Matsushita, Eddie J Sullivan
Polyclonal immunoglobulin-based medical products have been used successfully to treat diseases caused by viruses for more than a century. We demonstrate the use of DNA vaccine technology and transchromosomal bovines (TcBs) to produce fully human polyclonal immunoglobulins (IgG) with potent antiviral neutralizing activity. Specifically, two hantavirus DNA vaccines [Andes virus (ANDV) DNA vaccine and Sin Nombre virus (SNV) DNA vaccine] were used to produce a candidate immunoglobulin product for the prevention and treatment of hantavirus pulmonary syndrome (HPS)...
November 26, 2014: Science Translational Medicine
V Pivetti, F Cavigioli, G Lista, M Napolitano, M Rustico, A Paganelli, E Ferrazzi
In this case, we describe a newborn with prenatal diagnosis of congenital high airway obstruction syndrome (CHAOS), successfully managed with a cesarean section with delayed cord clamping 180 seconds. In case of prenatal diagnosis of CHAOS, prompt airway intervention at delivery allows survival of this otherwise fatal condition. Ex utero intrapartum treatment (EXIT) is considered the elective procedure to secure the fetal airway before the baby is completely separated from the maternal circulation. In cases where the EXIT procedure is not possible for maternal reasons (Ballantyne's syndrome), delayed cord clamping may serve as an alternative method to manage CHAOS...
January 1, 2014: Journal of Neonatal-perinatal Medicine
Yashashwi Pokharel, Sukhdeep Basra, Andrew E Lincoln, Andrew M Tucker, Vijay Nambi, Khurram Nasir, Robert A Vogel, Nathan D Wong, Jeffrey L Boone, Arthur J Roberts, Christie M Ballantyne, Salim S Virani
OBJECTIVES: It is unknown which measure of adiposity (body mass index [BMI] or waist circumference [WC]) is associated with subclinical atherosclerosis in retired National Football League (NFL) players and whether this relation is attenuated after adjusting for components of the metabolic syndrome (elevated triglycerides, fasting glucose, and low levels of high-density lipoprotein-cholesterol [HDL-C]) that frequently coexist with obesity. METHODS: Coronary artery calcium (CAC) was measured in 926 retired NFL players...
October 2014: Southern Medical Journal
Rishi Puri, Steven E Nissen, Mingyuan Shao, Christie M Ballantyne, Philip J Barter, M John Chapman, Raimund Erbel, Peter Libby, Joel S Raichlen, Kiyoko Uno, Yu Kataoka, Stephen J Nicholls
OBJECTIVES: Patients with acute coronary syndromes (ACS) display diffuse coronary atheroma instability and heightened risk of early and late recurrent coronary events. We compared the long-term antiatherosclerotic efficacy of high-intensity statins in patients with ACS when compared with stable disease. APPROACH AND RESULTS: Study of Coronary Atheroma by Intravascular Ultrasound: Effect of Rosuvastatin Versus Atorvastatin (SATURN) used serial intravascular ultrasound measures of coronary atheroma volume in patients treated with rosuvastatin 40 mg or atorvastatin 80 mg for 24 months...
November 2014: Arteriosclerosis, Thrombosis, and Vascular Biology
Jing-Fang Hsu, Tzu-Chieh Chou, Jonathan Lu, Shu-Hua Chen, Fang-Yu Chen, Ching-Chu Chen, Jeffrey L Chen, MacArthur Elayda, Christie M Ballantyne, Steven Shayani, Chu-Huang Chen
BACKGROUND: Low-density lipoprotein (LDL) plays a central role in cardiovascular disease (CVD) development. In LDL chromatographically resolved according to charge, the most electronegative subfraction-L5-is the only subfraction that induces atherogenic responses in cultured vascular cells. Furthermore, increasing evidence has shown that plasma L5 levels are elevated in individuals with high cardiovascular risk. We hypothesized that LDL electronegativity is a novel index for predicting CVD...
2014: PloS One
E Tayler, C DeSimone
Mirror syndrome (Ballantyne syndrome, triple edema, maternal hydrops, pseudotoxemia) is a rarely diagnosed condition associated with pregnancy that can be life-threatening for both the mother and fetus. There is limited literature on its pathogenesis and anesthetic management, making prevention and treatment complex. The duration of pregnancy and severity of maternal or fetal presentation often determines outcome. We describe the anesthetic considerations of a morbidly obese parturient with Mirror syndrome.
November 2014: International Journal of Obstetric Anesthesia
Steve Kwilas, Jennifer M Kishimori, Matthew Josleyn, Kurt Jerke, John Ballantyne, Michael Royals, Jay W Hooper
Sin Nombre virus (SNV) and Andes virus (ANDV) cause most of the hantavirus pulmonary syndrome (HPS) cases in North and South America, respectively. The chances of a patient surviving HPS are only two in three. Previously, we demonstrated that SNV and ANDV DNA vaccines encoding the virus envelope glycoproteins elicit high-titer neutralizing antibodies in laboratory animals, and (for ANDV) in nonhuman primates (NHPs). In those studies, the vaccines were delivered by gene gun or muscle electroporation. Here, we tested whether a combined SNV/ANDV DNA vaccine (HPS DNA vaccine) could be delivered effectively using a disposable syringe jet injection (DSJI) system (PharmaJet, Inc)...
2014: Current Gene Therapy
Raewyn M Poole, Anita D Ballantyne
Apremilast (Otezla(®)), an oral small molecule inhibitor of type-4 cyclic nucleotide phosphodiesterase (PDE-4), is under development with Celgene Corporation for the treatment of psoriatic arthritis, psoriasis, ankylosing spondylitis, Behçet's syndrome, atopic dermatitis, and rheumatoid arthritis. Apremilast is indicated for the treatment of active psoriatic arthritis in adults. Apremilast has received its first global approval for this indication in the USA. Regulatory submissions for approval in this indication are under review in Canada and Europe...
May 2014: Drugs
Jean-Claude Tardif, Christie M Ballantyne, Philip Barter, Jean-Louis Dasseux, Zahi A Fayad, Marie-Claude Guertin, John J P Kastelein, Constance Keyserling, Heather Klepp, Wolfgang Koenig, Philippe L L'Allier, Jacques Lespérance, Thomas F Lüscher, John F Paolini, Ahmed Tawakol, David D Waters
AIM: High-density lipoproteins (HDLs) have several potentially protective vascular effects. Most clinical studies of therapies targeting HDL have failed to show benefits vs. placebo. OBJECTIVE: To investigate the effects of an HDL-mimetic agent on atherosclerosis by intravascular ultrasonography (IVUS) and quantitative coronary angiography (QCA). DESIGN AND SETTING: A prospective, double-blinded, randomized trial was conducted at 51 centres in the USA, the Netherlands, Canada, and France...
December 7, 2014: European Heart Journal
Yashashwi Pokharel, Francisco Y Macedo, Vijay Nambi, Seth S Martin, Khurram Nasir, Nathan D Wong, Jeffrey Boone, Arthur J Roberts, Christie M Ballantyne, Salim S Virani
BACKGROUND: Neck circumference (NC) is associated with metabolic syndrome (MetS) in the general population. It is not known if NC is associated with MetS and subclinical atherosclerosis in retired National Football League (NFL) players. HYPOTHESIS: We hypothesized that NC is associated with MetS and subclinical atherosclerosis (assessed as coronary artery calcium [CAC] and carotid artery plaque [CAP]) in retired NFL players. METHODS: NC was measured midway between the midcervical spine and midanterior neck in 845 retired NFL players...
July 2014: Clinical Cardiology
Yichuan Liu, Jane F Ferguson, Chenyi Xue, Rachel L Ballantyne, Ian M Silverman, Sager J Gosai, Jacquelyn Serfecz, Michael P Morley, Brian D Gregory, Mingyao Li, Muredach P Reilly
OBJECTIVE: Inappropriate transcriptional activation of innate immunity is a pathological feature of several cardiometabolic disorders, but little is known about inflammatory modulation of long intergenic noncoding RNAs (lincRNAs) in disease-relevant human tissues. APPROACH AND RESULTS: We applied deep RNA sequencing (>500 million filtered reads per sample) to blood and adipose during low-dose experimental endotoxemia (lipopolysaccharide) in a healthy human, with targeted replication in separate individuals undergoing endotoxemia (n=6), to identify inflammatory lincRNAs...
April 2014: Arteriosclerosis, Thrombosis, and Vascular Biology
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