Cardiology Commons^™

Inhibition Of Cholesterol Biosynthesis Through Rnf145-Dependent Ubiquitination Of Scap, Li Zhang, Prashant Rajbhandari, Christina Priest, Jaspreet Sandhu, Xiaohui Wu, Ryan E. Temel, Antonio Castrillo, Thomas Q. De Aguiar Vallim, Tamer Sallam, Peter Tontonoz

Saha Cardiovascular Research Center Faculty Publications

Cholesterol homeostasis is maintained through concerted action of the SREBPs and LXRs. Here, we report that RNF145, a previously uncharacterized ER membrane ubiquitin ligase, participates in crosstalk between these critical signaling pathways. RNF145 expression is induced in response to LXR activation and high-cholesterol diet feeding. Transduction of RNF145 into mouse liver inhibits the expression of genes involved in cholesterol biosynthesis and reduces plasma cholesterol levels. Conversely, acute suppression of RNF145 via shRNA-mediated knockdown, or chronic inactivation of RNF145 by genetic deletion, potentiates the expression of cholesterol biosynthetic genes and increases cholesterol levels both in liver and plasma. Mechanistic studies show …

Deletion Of The Nr4a Nuclear Receptor Nor1 In Hematopoietic Stem Cells Reduces Inflammation But Not Abdominal Aortic Aneurysm Formation, Hua Qing, Karrie L. Jones, Elizabeth B. Heywood, Hong Lu, Alan Daugherty, Dennis Bruemmer

Pharmacology and Nutritional Sciences Faculty Publications

Background: The NR4A3 orphan nuclear hormone receptor, NOR1, functions as a constitutively active transcription factor to regulate inflammation, proliferation, and cell survival during pathological vascular remodeling. Inflammatory processes represent key mechanisms leading to abdominal aortic aneurysm (AAA) formation. However, a role of NOR1 in AAA formation has not been investigated previously.

Methods: Inflammatory gene expression was analyzed in bone marrow-derived macrophages isolated from NOR1-deficient mice. Low-density lipoprotein receptor-deficient (LDLr^−/−) mice were irradiated and reconstituted with hematopoietic stem cells obtained from NOR1−/− or wild-type littermate mice. Animals were infused with angiotensin II and fed a diet enriched in saturated …

No Difference In Myosin Kinetics And Spatial Distribution Of The Lever Arm In The Left And Right Ventricles Of Human Hearts, Divya Duggal, S. Requena, Janhavi Nagwekar, Sangram Raut, Ryan Rich, Hriday Das, Vipul Patel, Ignacy Gryczynski, Rafal Fudala, Zygmunt Gryczynski, Cheavar Blair, Kenneth S. Campbell, Julian Borejdo

Physiology Faculty Publications

The systemic circulation offers larger resistance to the blood flow than the pulmonary system. Consequently, the left ventricle (LV) must pump blood with more force than the right ventricle (RV). The question arises whether the stronger pumping action of the LV is due to a more efficient action of left ventricular myosin, or whether it is due to the morphological differences between ventricles. Such a question cannot be answered by studying the entire ventricles or myocytes because any observed differences would be wiped out by averaging the information obtained from trillions of myosin molecules present in a ventricle or myocyte. …

Is There A Utility For Qrs Dispersion In Clinical Practice?, Ionuț Donoiu, Georgică Costinel Târtea, Elibet Chávez-González

Journal of Mind and Medical Sciences

Prognostic markers derived from standard ECG have always been seductive. Increased dispersion of durations of the P wave, of the QRS complex, or of the QT interval has been associated with the risk of atrial fibrillation, ventricular arrhythmias, sudden cardiac death, as well as with a general negative prognosis in various settings. However, these markers have intrinsic and methodological issues that question their utility. This paper presents data supporting the utility of QRS dispersion in clinical practice. Our investigation shows that QRS dispersion is a simple electrocardiographic marker with potential value in the assessment of patients in a variety of …

The Dual Role Of Group V Secretory Phospholipase A2 In Pancreatic Β-Cells, Preetha Shridas, Victoria P. Noffsinger, Andrea C. Trumbauer, Nancy R. Webb

Saha Cardiovascular Research Center Faculty Publications

Purpose

Group X (GX) and group V (GV) secretory phospholipase A₂ (sPLA₂) potently release arachidonic acid (AA) from the plasma membrane of intact cells. We previously demonstrated that GX sPLA₂ negatively regulates glucose-stimulated insulin secretion (GSIS) by a prostaglandin E2 (PGE2)-dependent mechanism. In this study we investigated whether GV sPLA₂ similarly regulates GSIS.

Methods

GSIS and pancreatic islet-size were assessed in wild-type (WT) and GV sPLA₂-knock out (GV KO) mice. GSIS was also assessed ex vivo in isolated islets and in vitro using MIN6 pancreatic beta cell lines with or without GV sPLA …

Drug-Induced Causes Of Secondary Hypertension, Wilbert S. Aronow

NYMC Faculty Publications

No abstract provided.

Patient Fall Prevention, R9 West Cardiovascular, Cathy Palleschi, Suneela Nayak, Ruth Hanselman, Stephen Tyzik

MaineHealth Maine Medical Center

PATIENT FALL PREVENTION STRATEGIES IN AN ACUTE HOSPITAL

Every year in the United States, hundreds of thousands of patients fall resulting in injury. Injured patients often require prolonged hospital stays and a resultant increase in medical costs.

The purpose of this study was to identify the current state of fall prevention strategies on a hospital inpatient acute care cardiac unit. Through a root cause analysis, some deficiencies were identified and a process improvement plan was implemented.

Several positive outcomes were attained as a result of the countermeasures initiated. Patient falls per month and total waste in dollars saw a decline …

Targeting Hepatic Heparin-Binding Egf-Like Growth Factor (Hb-Egf) Induces Anti-Hyperlipidemia Leading To Reduction Of Angiotensin Ii-Induced Aneurysm Development, Seonwook Kim, Lihua Yang, Seongu Kim, Richard G. Lee, Mark J. Graham, Judith A. Berliner, Aldons J. Lusis, Lei Cai, Ryan E. Temel, Debra L. Rateri, Sangderk Lee

Saha Cardiovascular Research Center Faculty Publications

Objective

The upregulated expression of heparin binding EGF-like growth factor (HB-EGF) in the vessel and circulation is associated with risk of cardiovascular disease. In this study, we tested the effects of HB-EGF targeting using HB-EGF-specific antisense oligonucleotide (ASO) on the development of aortic aneurysm in a mouse aneurysm model.

Approach and results

Low-density lipoprotein receptor (LDLR) deficient mice (male, 16 weeks of age) were injected with control and HB-EGF ASOs for 10 weeks. To induce aneurysm, the mice were fed a high fat diet (22% fat, 0.2% cholesterol; w/w) at 5 week point of ASO administration and infused with angiotensin …

Complete Versus Culprit Only Revascularization In St-Elevation Myocardial Infarction-A Perspective On Recent Trials And Recommendations, Gabriela Andries, Sahil Khera, Robert Timmermans, Wilbert Aronow

NYMC Faculty Publications

The presence of multivessel coronary artery disease (CAD) is strongly associated with higher 30-day mortality, reduced myocardial reperfusion success, reinfarction, and occurrence of major adverse cardiac events (MACE) at 1 year compared with single-vessel CAD. Despite higher morbidity and mortality in patients with ST-elevation myocardial infarction (STEMI) and coexistent multivessel CAD, major guidelines recommended against percutaneous coronary intervention (PCI) on non-culprit lesions at the time of primary PCI in patients with STEMI who are hemodynamically stable. The presence of multivessel CAD often poses a therapeutic dilemma for interventional cardiologists. A few larger scale randomized controlled trials (RCTs) and meta-analyses have …

Diagnostic Effectiveness Of High-Sensitivity Troponins, Sean R. Bodin, Jacqueline Ramirez

Physician Assistant Capstones, 2016 to 2019

Background: Acute myocardial infarctions (AMI) are a leading cause of death in the United States. The key to increasing survivability is early recognition to expedite the proper treatment modalities. In conjunction with the clinical presentation and electrocardiograms, the use of cardiac biomarkers is exponentially important in not only recognizing a cardiac event but also determining the extent of injury. Advancement in laboratory technology has led to the development of high-sensitive troponin (hs-troponin) assays which can detect smaller cardiac troponin serum levels compared to conventional troponin assays. This implies that the use of hs-troponin assays is more effective in the …

Spinal Cord Injury Induced Cardiac Decline And The Limitations Of Exercise., Kathryn Michele Deveau

Electronic Theses and Dissertations

There is a general consensus that the level and the severity of spinal cord injury (SCI) impacts chronic cardiac abnormalities such that high thoracic and cervical SCI are the most severely affected. Furthermore, the extreme degree of immobility/inactivity experienced by the persons with SCI has implications on cardiac decline. Yet it has been difficult to separate the relative contributions of the decentralized autonomic nervous system (ANS) and the immediate and profound inactivity to chronic cardiac abnormalities. As such, this body of work sought to characterize a contusion SCI that results in persistent CV dysfunction. Echocardiography, Dobutamine stress echocardiography and pressure …

Trends Of Revascularization In Acute Myocardial Infarction Patients With Coronary Artery Anomalies: A Nationwide Analysis Of 8,131 Patients., Neeraj Shah Md, Vratika Agarwal Md, Nainesh C. Patel Md

Department of Medicine

No abstract provided.

A Ruptured Basilar Aneurysm Resulting In Takotsubo Cardiomyopathy., Ryan Murphy Do, Apurva Vyas Md, Megan Leary Md

Department of Medicine

No abstract provided.

Plasma Cross-Gestational Sphingolipidomic Analyses Reveal Potential First Trimester Biomarkers Of Preeclampsia, Aneta Dobierzewska, Sony Soman, Sebastian E Illanes, Andrew J. Morris

Saha Cardiovascular Research Center Faculty Publications

Introduction

Preeclampsia (PE) is a gestational disorder, manifested in the second half of pregnancy by maternal hypertension, proteinuria and generalized edema. PE is a major cause of maternal and fetal morbidity and mortality, accounting for nearly 40% of all premature births worldwide. Bioactive sphingolipids are emerging as key molecules involved in etiopathogenesis of PE, characterized by maternal angiogenic imbalance and symptoms of metabolic syndrome. The aim of this study was to compare the cross-gestational profile of circulating bioactive sphingolipids in maternal plasma from preeclamptic (PE) versus normotensive control (CTL) subjects with the goal of identifying sphingolipids as candidate first trimester …

A Rare Case Of Vascular Ring And Coarctation Of The Aorta In Association With Charge Syndrome., Jonathan B. Wagner, Joshua Q. Knowlton, Peter Pastuszko, Sanket Shah

Manuscripts, Articles, Book Chapters and Other Papers

A male neonate presented with CHARGE syndrome, a multiorgan genetic disorder involving the Coloboma of the eyes, congenital Heart defects, nasal choanal Atresia, growth and development Retardation, Genitourinary disorders, and Ear anomalies and deafness. Moreover, he had a rare case of vascular ring-consisting of a right aortic arch with retroesophageal brachiocephalic artery-combined with coarctation of the mid-aortic arch. He underwent both vascular ring and aortic arch repair at our institution. To our knowledge, this is the 4th documented case of this exceedingly rare type of aortic arch anomaly combined with aortic arch obstruction. Moreover, it is the first confirmed case …

Genomic Contraindications For Heart Transplantation., Danton S. Char, Gabriel Lázaro-Muñoz, Aliessa Barnes, David Magnus, Michael J. Deem, John Lantos

Manuscripts, Articles, Book Chapters and Other Papers

Genome sequencing raises new ethical challenges. Decoding the genome produces new forms of diagnostic and prognostic information; however, the information is often difficult to interpret. The connection between most genetic variants and their phenotypic manifestations is not understood. This scenario is particularly true for disorders that are not associated with an autosomal genetic variant. The analytic uncertainty is compounded by moral uncertainty about how, exactly, the results of genomic testing should influence clinical decisions. In this Ethics Rounds, we present a case in which genomic findings seemed to play a role in deciding whether a patient was to be listed …

Impact Of Atrial Fibrillation On Outcomes In Patients Hospitalized With St-Segment Elevation Myocardial Infarction (Poster)., Lohit Garg Md, Sahil Agrawal Md, Manyoo Agarwal Md, Aakash Garg Md, Amitoj Singh, Nirmanmoh Bhatia, Mahek Shah Md, Brijesh Patel Md, Sudip Nanda Md, Facp, David A. Cox Md

Department of Medicine

No abstract provided.

Venoarterial Extracorporeal Membrane Oxygenation For Cardiogenic Shock: A Retrospective Analysis Based On The Etiology Of Shock, Andrew Burchett, Thomas Tribble, Richard Charnigo, Susan Smyth, Maya Guglin

The VAD Journal

Abstract:

Background: We performed a retrospective analysis to evaluate the efficacy of VA-ECMO support in cardiogenic shock based on various etiologies.

Methods: We retrospectively analyzed 99 patients supported with VA-ECMO from January 1, 2012 to January 1, 2015. Outcomes included survival to discontinuation of VA-ECMO support and survival to hospital discharge. The etiologies of cardiogenic shock included cardiac arrest (CPR), acute myocardial infarction (AMI), decompensated congestive heart failure (CHF), pulmonary embolism (PE), right ventricular failure (RVF) not secondary to an acute pulmonary embolism, and post-cardiotomy syndrome (PCS). The PCS group was used as a reference group; odds ratios were estimated …

Impact Of Atrial Fibrillation On Outcomes In Patients Hospitalized With St- Segment Elevation Myocardial Infarction., Lohit Garg Md, Sahil Agrawal Md, Manyoo Agarwal Md, Aakash Garg Md, Amitoj Singh, Nirmanmoh Bhatia, Mahek Shah Md, Brijesh Patel Md, Sudip Nanda Md, Facp, David A. Cox Md

Department of Medicine

Background: Atrial fibrillation (AF) is reported in 7-19% patients with acute ST- Segment Elevation Myocardial Infarction (STEMI). There is

a paucity of data on the impact of AF on outcomes in patients with acute STEMI.

Methods: We queried the National Inpatient Sample (NIS) database for years 2003- 2013 to identify all patients >=18 years of age

admitted with acute STEMI.

Results: Of the total 2,632,447 STEMI hospitalizations, AF was documented in 339,987 (12.9%) patients. At baseline, patients with

AF were older (mean 74 vs 63 years, p

Hypertension, renal failure, diabetes mellitus and congestive heart failure were all more prevalent …

An Over-The-Counter Treatment For Diarrhea Leading To Euphoria And Fatal Arrhythmia., Angela Magdaleno, Michael Sumner Do, Travis Magdaleno Md, Justin L. Guthier Do, Apurva Vyas Md

Department of Medicine

No abstract provided.

Cerebellar Tdcs: A Novel Approach To Augment Language Treatment Post-Stroke, Rajani Sebastian, Sadhvi Saxena, Kyrana Tsapkini, Andreia V. Faria, Charltien Long, Amy Wright, Cameron Davis, Donna C. Tippett, Antonios P. Mourdoukoutas, Marom Bikson, Pablo Celnik, Argye E. Hillis

Publications and Research

People with post-stroke aphasia may have some degree of chronic deficit for which current rehabilitative treatments are variably effective. Accumulating evidence suggests that transcranial direct current stimulation (tDCS) may be useful for enhancing the effects of behavioral aphasia treatment. However, it remains unclear which brain regions should be stimulated to optimize effects on language recovery. Here, we report on the therapeutic potential of right cerebellar tDCS in augmenting language recovery in SMY, who sustained bilateral MCA infarct resulting in aphasia and anarthria. We investigated the effects of 15 sessions of anodal cerebellar tDCS coupled with spelling therapy using a randomized, …

Research Methods In Occupational Health Psychology, Irvin Sam Schonfeld, Chu-Hsiang Chang

Publications and Research

http://www.springerpub.com/occupational-health-psychology.html

Occupational Health Psychology (OHP) is a rapidly expanding interdisciplinary field that focuses on the science and practice of psychology in promoting and developing workplace health- and safety-related initiatives. This comprehensive text for undergraduate and graduate survey courses is the first to encompass a wide range of key issues in OHP. It draws from the domains of psychology, public health, preventive medicine,nursing, industrial engineering, law, and epidemiology to focus on the theory and practice of protecting and promoting the health, well-being, and safety of individuals in the workplace and improving the quality of work life.

The text addresses key psychosocial …

Decellularized Wharton's Jelly From Human Umbilical Cord As A Novel 3d Scaffolding Material For Tissue Engineering Applications., Sushma Jadalannagari, Gabriel Converse, Eric Buse, Michael Filla, Maria T. Villar, Antonio Artigues, Adam J. Mellot, Jinxi Wang, Michael S. Detamore, Richard A. Hopkins, Omar S. Aljitawi, C Mcfall

Manuscripts, Articles, Book Chapters and Other Papers

In tissue engineering, an ideal scaffold attracts and supports cells thus providing them with the necessary mechanical support and architecture as they reconstruct new tissue in vitro and in vivo. This manuscript details a novel matrix derived from decellularized Wharton's jelly (WJ) obtained from human umbilical cord for use as a scaffold for tissue engineering application. This decellularized Wharton's jelly matrix (DWJM) contained 0.66 ± 0.12 μg/mg sulfated glycosaminoglycans (GAGs), and was abundant in hyaluronic acid, and completely devoid of cells. Mass spectroscopy revealed the presence of collagen types II, VI and XII, fibronectin-I, and lumican I. When seeded onto …

Cardiac Chemical Exchange Saturation Transfer Mr Imaging Tracking Of Cell Survival Or Rejection In Mouse Models Of Cell Therapy, Ashley L. Pumphrey, Shaojing Ye, Zhengshi Yang, Jennifer Simkin, John C. Gensel, Ahmed Abdel-Latif, Moriel H. Vandsburger

Saha Cardiovascular Research Center Faculty Publications

Purpose:

To examine whether cardiac chemical exchange saturation transfer (CEST) imaging can be serially and noninvasively used to probe cell survival or rejection after intramyocardial implantation in mice.

Materials and Methods:

Experiments were compliant with the National Institutes of Health Guidelines on the Use of Laboratory Animals and approved by the Institutional Animal Care and Use Committee. One million C2C12 cells labeled with either europium (Eu) 10-(2-hydroxypropyl)-1,4,7-tetraazacyclododecane-1,4,7-triacetic acid (HP-DO3A) or saline via the hypotonic swelling technique were implanted into the anterior-lateral left ventricular wall in C57BL/6J (allogeneic model, n = 17) and C3H (syngeneic model, n = 13) mice. Imaging …

Evaluation Of Oral Nutritional Supplement Use In Elderly Patients Admitted With Heart Failure, Geri L. Sipe

DNP Projects

PURPOSE: The purpose of this study is to evaluate the effects of enhanced ordering privileges among registered dieticians (RD) on oral nutritional supplement (ONS) ordering frequency and prevalence of oral nutritional supplement use among elderly patients admitted with heart failure (HF).

METHODS: This study was a single facility, retrospective pre-post implementation evaluation of the impact of expanded ONS ordering privileges among elderly patients (age ≥ 65 years old) hospitalized with heart failure at Frankfort Regional Medical Center (FRMC). The sample consisted of 105 patients for the pre-evaluation period and 259 for the post-evaluation period.

RESULTS: There were …

Thyroid Hormone As A Method Of Reducing Damage To Donor Hearts After Circulatory Arrest, William P. Adams

Theses and Dissertations

There is a chronic lack of donor hearts to meet the need for heart transplant both in the US and worldwide. Further, the use of available hearts is limited by the short period between collection and implantation during which the heart can be safely preserved ex vivo. Using mid-thermic Langendorff machine perfusion, we have been able to preserve the metabolic function of a healthy heart for up to 8 hours, twice the limit for current static cold storage. We have also been able to preserve the metabolic function of a damaged DCD Heart collected 30 minutes after cardiac arrest …

Sports Cardiology: Core Curriculum For Providing Cardiovascular Care To Competitive Athletes And Highly Active People., Aaron L. Baggish Md, Robert W. Battle Md, James G. Beckerman Md, Alfred A. Bove Md, Phd, Rachel J. Lampert Md, Benjamin D. Levine Md, Mark S. Link Md, Matthew W. Martinez Md, Silvana M. Molossi Md, Phd, Jack Salerno Md, Meagan M. Wasfy Md, Rory B. Weiner Md, Michael S. Emery Md

Department of Medicine

The last few decades have seen substantial growth in the populations of competitive athletes and highly active people (CAHAP). Although vigorous physical exercise is an effective way to reduce the risk of cardiovascular (CV) disease, CAHAP remain susceptible to inherited and acquired CV disease, and may be most at risk for adverse CV outcomes during intense physical activity. Traditionally, multidisciplinary teams comprising athletic trainers, physical therapists, primary care sports medicine physicians, and orthopedic surgeons have provided clinical care for CAHAP. However, there is increasing recognition that a care team including qualified CV specialists optimizes care delivery for CAHAP. In recognition …

Tct-546 Performance Of The Dual Antiplatelet Therapy (Dapt) Score In The Adapt-Des Study., Sorin J. Brener, Ajay J. Kirtane Md, Michael J. Rinaldi Md, Bernhard Witzenbichler Md, Franz-Josef Neumann Md, Timothy D. Henry Md, David A. Cox Md, Peter L. Duffy Md, Ernest Mazzaferri Md, Bruce R. Brodie Md, Roxana Mehran Md, Thomas Mcandrew, Gregg W. Stone Md

Department of Medicine

Background

The optimal duration of dual antiplatelet therapy (DAPT) after percutaneous coronary intervention (PCI) remains in dispute, particularly after 12 months. The DAPT Score was developed from the DAPT trial to identify pts who may benefit the most from extended therapy. We sought to assess the performance of the DAPT risk score in the all-comers Assessment of Dual AntiPlatelet Therapy with Drug-Eluting Stents (ADAPT-DES) registry, and to test the utility of additional predictors of events on its performance.

Methods

Patients free from ischemic or hemorrhagic events after 1 year of DAPT after successful DES implantation were analyzed. The DAPT score …

Tct-732 Relationship Between Stent Diameter, Platelet Reactivity, And Adverse Events After Pci: Analysis From The Adapt-Des Study., Björn Redfors, Philippe Généreux Md, Bernhard Witzenbichler Md, Ajay J. Kirtane Md, Thomas Mcandrew, Bruce R. Brodie Md, Michael J. Rinaldi Md, Timothy D. Henry Md, David A. Cox Md, Ernest L. Mazzaferri Md, Ori B. Yehuda, Roxana Mehran Md, Gregg W. Stone Md

Department of Medicine

Background

Small vessel diameter and residual high platelet reactivity (HPR) have both been associated with adverse events after PCI. We sought to determine whether a specific interaction exists between HPR and stent diameter in regard to outcomes after PCI.

Methods

We stratified pts in the prospective ADAPT-DES registry who underwent successful single-lesion PCI with DES according to whether or not they received only small diameter stents (diameter ≤2.5 mm). Pts receiving ≤2.5 mm stents were compared to pts receiving a stent with a diameter >2.5 mm using propensity score (PS) adjusted Cox proportional hazards regression. HPR was defined as P2Y12 …

Tct-733 Association Between Hypertension, Platelet Reactivity, And The Risk Of Adverse Events After Pci: Analysis From The Adapt-Des Study, Björn Redfors, Xin Huang, Bernhard Witzenbichler Md, Shmuel Chen, Yangbo Liu, Bruce R. Brodie Md, Michael J. Rinaldi Md, Timothy D. Henry Md, David A. Cox Md, Peter L. Duffy Md, Ernest L. Mazzaferri Md, Roxana Mehran Md, Ajay J. Kirtane Md, Ori B. Yehuda, Gregg W. Stone Md

Department of Medicine

No abstract provided.