Medical Specialties Commons^™

Compensatory Fetal Membrane Mechanisms Between Biglycan And Decorin In Inflammation., Luciana Batalha De Miranda De Araujo, Casie E Horgan, Abraham Aron, Renato V. Iozzo, Beatrice E Lechner

Department of Pathology, Anatomy, and Cell Biology Faculty Papers

Preterm premature rupture of fetal membranes (PPROM) is associated with infection, and is one of the most common causes of preterm birth. Abnormal expression of biglycan and decorin, two extracellular matrix proteoglycans, leads to preterm birth and aberrant fetal membrane morphology and signaling in the mouse. In humans and mice, decorin dysregulation is associated with inflammation in PPROM. We therefore investigated the link between biglycan and decorin and inflammation in fetal membranes using mouse models of intraperitoneal Escherichia coli injections superimposed on genetic biglycan and decorin deficiencies. We assessed outcomes in vivo as well as in vitro using quantitative PCR, …

Reporting Practices, Knowledge And Opinion Of Policy Regarding Drivers With Dementia Among Arkansas Neurologists And Geriatricians, Erika Martin Gergerich

Graduate Theses and Dissertations

Background: States have various policies regarding a physician's ability or responsibility to report at-risk drivers with dementia to the Department of Motor Vehicles (DMV). Some states have mandatory reporting policies, others have optional reporting policies and some have no policy regarding this issue. Arkansas has no reporting policy regarding drivers with dementia to the DMV. Therefore, physicians in Arkansas face the risk of liability if they report a patient against their will to the DMV in good faith. Neurologists and geriatricians are often in a position to diagnose and treat individuals with dementia. Research Questions: The following three research questions …

Evaluation Of Tulane Virus As A Surrogate For The Study Of Human Norovirus, Sabastine Eugene Arthur

Graduate Theses and Dissertations

Among all known causes of acute gastroenteritis, human noroviruses (HuNoV) are the primary cause (68%) of outbreaks and are associated with 78% of illnesses, 46% of hospitalizations, and 86% of deaths. The main obstacle to studying the pathogenesis of HuNoV is the lack of cell culture system and small animal model. Murine norovirus (MNV) and feline calicivirus (FCV) have been utilized as model surrogate viruses to study HuNoV. In this research, a more recent surrogate virus, Tulane virus (TV), was evaluated for physicochemical stability and environmental persistence. The primary goal was to determine the suitability of TV as a surrogate …

A Special Report Of Current State Of The Medical Physicist Workforce - Results Of The 2012 Astro Comprehensive Workforce Study, Erli Chen, Anna Arnone, Jussi K. Sillanpää, Yan Yu, Michael D. Mills

Department of Radiation Oncology Faculty Papers

No abstract provided.

Flattening Filter-Free Accelerators: A Report From The Aapm Therapy Emerging Technology Assessment Work Group, Ying Xiao, Stephen F. Kry, Richard A. Poppel, Ellen D. Yorke, Niko Papanikolaou, Sotirios Stathakis, Ping Xia, Saiful Huq, John E. Bayouth, James Galvin Phd, Fang-Fang Yin

Department of Radiation Oncology Faculty Papers

No abstract provided.

Local Modulation And Measurement Of Macrophage-Derived Bioactive Proteins From Implanted Biomaterials In Rat, Geetika Bajpai

Graduate Theses and Dissertations

Fibrosis around the implanted medical devices is a severe problem that can plague long-term device reliability. Activation of macrophage phenotype (macrophage polarization) has emerged as a new and possible means for reducing fibrosis in the fields of biomaterials and regenerative medicine. Macrophages are phagocytic cells that respond to microenvironmental cues that direct their phenotype. Macrophage activation has been widely studied in mouse and human in the context of tumor biology, yet little information is available regarding how macrophage activation could be used in a biomaterials context. Further, rats rather than mice are the common subjects in biomaterials experiments. A significant …

Refractory Case Of Esophageal Web In A Male Patient With Alcoholic Liver Disease, Bonnie Patek Do, Shashin Shah Md, Hiral N. Shah Md

Department of Medicine

No abstract provided.

Use Of N-Acetylcysteine In Children With Fulminant Hepatic Failure Caused By Acute Viral Hepatitis, Ali Faisal Saleem, Qalab Abbas, Anwarul Haque

Department of Paediatrics and Child Health

Objective: To determine the efficacy of N-acetylcysteine (NAC) in children aged > 1 month to 16 years admitted with Fulminant Hepatic Failure (FHF) secondary to Acute Viral Hepatitis (AVH) in a tertiary care center of a developing country.

Study Design: Analytical study.

Place and Duration of Study: Department of Paediatrics, The Aga Khan University Hospital, Karachi, Pakistan, from January 2007 to December 2011.

Methodology: Medical records of children (> 1 month - 16 years) with FHF admitted with AVH of known etiology who received NAC were reviewed retrospectively. Liver function tests (mean ± SD) at baseline, 24 hours after NAC and …

Loss Of Cbl And Cbl-B Ubiquitin Ligases Abrogates Hematopoietic Stem Cell Quiescence And Sensitizes Leukemic Disease To Chemotherapy., Wei An, Scott A. Nadeau, Bhopal C. Mohapatra, Dan Feng, Neha Zutshi, Matthew D. Storck, Priyanka Arya, James E. Talmadge, Jane L. Meza, Vimla Band, Hamid Band

Journal Articles: Pathology and Microbiology

Cbl and Cbl-b are tyrosine kinase-directed RING finger type ubiquitin ligases (E3s) that negatively regulate cellular activation pathways. E3 activity-disrupting human Cbl mutations are associated with myeloproliferative disorders (MPD) that are reproduced in mice with Cbl RING finger mutant knock-in or hematopoietic Cbl and Cbl-b double knockout. However, the role of Cbl proteins in hematopoietic stem cell (HSC) homeostasis, especially in the context of MPD is unclear. Here we demonstrate that HSC expansion and MPD development upon combined Cbl and Cbl-b deletion are dependent on HSCs. Cell cycle analysis demonstrated that DKO HSCs exhibit reduced quiescence associated with compromised reconstitution …

Powerful Anti-Tumor And Anti-Angiogenic Activity Of A New Anti-Vascular Endothelial Growth Factor Receptor 1 Peptide In Colorectal Cancer Models, Valeria Cicatiello, Ivana Apicella, Laura Tudisco, Valeria Tarallo, Luigi Formisano, Annamaria Sandomenico, Younghee Kim, Ana Bastos-Carvalho, Augusto Orlandi, Jayakrishna Ambati, Menotti Ruvo, Roberto Bianco, Sandro De Falco

Ophthalmology and Visual Science Faculty Publications

To assess the therapeutic outcome of selective block of VEGFR1, we have evaluated the activity of a new specific antagonist of VEGFR1, named iVR1 (inhibitor of VEGFR1), in syngenic and xenograft colorectal cancer models, in an artificial model of metastatization, and in laser-induced choroid neovascularization. iVR1 inhibited tumor growth and neoangiogenesis in both models of colorectal cancer, with an extent similar to that of bevacizumab, a monoclonal antibody anti-VEGF-A. It potently inhibited VEGFR1 phosphorylation in vivo, determining a strong inhibition of the recruitment of monocyte-macrophages and of mural cells as confirmed, in vitro, by the ability to inhibit …

Youtube As A Source For Patient Education Regarding Percutaneous Mitraclip, Katie Mastoris Do, Jalaj Garg Md, Nainesh C. Patel Md

Department of Medicine

No abstract provided.

Continued Confusion After Resolution Of Diabetic Ketoacidosis, Ryan Rogers Do, Gretchen A. Perilli Md, Philip Dunn Do

Department of Emergency Medicine

No abstract provided.

Impact Of The Heart Watch Program On Patients At Risk Of Developing Metabolic Syndrome, Prediabetes Or Cardiovascular Disease, Jennifer T. Fink, Kathryn K. Havens, Julia A. Schumacher, Renee E. Walker, George L. Morris Iii, David A. Nelson, Maharaj Singh, Ron A. Cisler

Journal of Patient-Centered Research and Reviews

Purpose

Metabolic syndrome is a set of metabolic risk factors associated with increased risk of developing cardiovascular disease and type 2 diabetes mellitus. We retrospectively evaluated the effectiveness of a lifestyle modification program (Heart WATCH) geared toward reducing development of chronic disease in women deemed at risk for metabolic syndrome, prediabetes and/or cardiovascular disease.

Methods

Our institution’s Heart WATCH program consists of screening sessions with a multidisciplinary team (physician/nurse, nutritionist and psychologist), a minimum of three visits with a nurse practitioner and weekly follow-up phone calls for a 14-week period. Sociodemographic variables were obtained at initial visit. Biometric testing indices …

One Final Goodbye, Dennis Baumgardner

Journal of Patient-Centered Research and Reviews

N/A

Inflammatory Muscle Diseases., Marinos C Dalakas

Department of Neurology Faculty Papers

No abstract provided.

Albumin Administration In Patients With Spontaneous Bacterial Peritonitis At A Tertiary Hospital: A Retrospective Clinical Analysis, Padmavathi Mali, Rajan Kanth, Sudheer Muduganti

Journal of Patient-Centered Research and Reviews

Purpose

Albumin is recommended for the treatment of spontaneous bacterial peritonitis (SBP) in patients at high risk for mortality. We assessed adherence to guidelines for administration of albumin for SBP in clinical practice at a private tertiary care hospital.

Methods

A retrospective clinical analysis of all cases of SBP diagnosed at a tertiary referral center from January 1, 2006, to December 31, 2012, was performed. Patients were identified electronically and manually validated. The appropriateness of albumin administration for treatment of SBP was assessed in all patients in whom mortality risk could be established and separately for patients who did or …

Mindfulness-Based Stress Reduction And Transcendental Meditation: Current State Of Research, Adam Holt

Journal of Patient-Centered Research and Reviews

This article summarizes the current state of meditation research, specifically focusing on mindfulness-based stress reduction and transcendental meditation. Despite significant methodological problems with the studies reported to date on the subject, there is consistent evidence that meditation can produce changes in the nervous system and physiology of the meditator, and can help with various psychological markers of well-being. Regarding improvement in specific clinical diseases, research is generally mixed and preliminary. Strong recommendations cannot be made based on current evidence, and further studies are needed. In general, there is a stronger body of evidence supporting mindfulness-based stress reduction than for transcendental …

Libman-Sacks Endocarditis “A Wolf In Sheep’S Skin”, Philip Dunn Do, Ryan Rogers Do, James Ross Md

Department of Medicine

No abstract provided.

Pacemaker Induced Takotsubo Cardiomyopathy, Jalaj Garg Md, Kailyn Mann Do, James Kimber Do

Department of Medicine

No abstract provided.

An Unlikely Cause Of Possible Hormone-Dependent Abdominal Pain In Young Fertile Females: A Case Series, Bonnie Patek Do, Hiral Shah Md, Shashin Shah Md

Department of Medicine

No abstract provided.

Acute Superior Vena Cava Syndrome In The Setting Of An Intravascular Device, Rachel Kinney Do, Matthew Miles Do, Shannon Davis Do, Jennifer Rovella Do

Department of Medicine

No abstract provided.

Patient Centered Infertility Care: The Health Care Provider’S Perspective, Alana Streisfield, Nurun Chowdhury, Rebecca Cherniak, Heather Shapiro

Patient Experience Journal

This study describes what health care providers (HCPs) of fertility services perceive their patients to value most, as well as HCPs’ self-evaluation in provision of patient centered infertility care (PCIC). The Patient Centeredness Questionnaire Infertility (PCQ-I) was administered to all clinic staff and completed by approximately 60%. Mean scores and standard deviations were calculated for each dimension as well as for the global score. HCPs ranked staff communication as the highest of the dimensions and accessibility of care as the lowest, respectively indicating areas of strength and weakness. Degree of variance within scoring was used as a marker of consistency …

Glanzmann’S Thrombasthenia Diagnosed Following Knee Arthroscopy, John Zvijac, Gary Kiebzak

All Publications

A 41-year-old man with an unremarkable medical history presented with a painful knee after a sports injury. He was diagnosed with a medial meniscal tear. Symptoms did not abate after 6 months of physical therapy, and he underwent arthroscopic partial medial meniscectomy. A week after beginning physical therapy he experienced a knee effusion, decreased ROM, and inability to flex his quadriceps. His knee was aspirated. Blood tests were ordered and his complete blood count, liver functions tests, and INR/PTT were normal. The patient had recurrent effusions requiring three additional joint aspirations. Ten weeks after the initial surgery, the patient underwent …

Site-Specific Immunomodulator: A Novel Treatment For Crohn's Disease, Brian Bressler, Kevin P. Bethel, Ralf Kleef, Sophie L. Reynolds, Simon Sutcliffe, David W. Mullins, Hal Gunn

Dartmouth Scholarship

We investigated the mechanism of action, safety, and efficacy of the Site-Specific Immunomodulator (SSI) QBECO, a novel immunotherapy for Crohn’s disease (CD). Using human monocytic THP-1 cells, we demonstrate that SSI QBECO (derived from the common colon bacteria E. coli) activates macrophages to an M1 phenotype (associated with enhanced capacity to eliminate bacteria and activate innate immune responses). We assessed SSI QBECO in a compassionate use protocol of ten adult patients with active CD. Patients with moderate to severe clinical symptoms receiving conventional CD treatments and/or complementary therapies were included, except patients receiving anti-TNF medications. SSI QBECO was self-administered subcutaneously …

Coculture Of Staphylococcus Aureus With Pseudomonas Aeruginosa Drives S. Aureus Towards Fermentative Metabolism And Reduced Viability In A Cystic Fibrosis Model, Laura M. Filkins, Jyoti A. Graber, Daniel G. Olson, Emily L. Dolben, Lee Lynd, Sabin Bhuju, George A. O'Toole

Dartmouth Scholarship

The airways of patients with cystic fibrosis are colonized with diverse bacterial communities that change dynamically during pediatric years and early adulthood. Staphylococcus aureus is the most prevalent pathogen during early childhood, but during late teens and early adulthood, a shift in microbial composition occurs leading to Pseudomonas aeruginosa community predominance in ∼50% of adults. We developed a robust dual-bacterial in vitro coculture system of P. aeruginosa and S. aureus on monolayers of human bronchial epithelial cells homozygous for the ΔF508 cystic fibrosis transmembrane conductance regulator (CFTR) mutation to better model the mechanisms of this interaction. We show that P. …

Diabetes Outcomes That Matter To Patients: Use Of Patient-Reported Outcome Measures As Educational Tools, Beth Careyva Md, Arnold R. Goldberg Md, Melanie B. Johnson Mpa, Brian Stello Md

Department of Family Medicine

No abstract provided.

Antiviral Activity Of The Human Cathelicidin, Ll-37, And Derived Peptides On Seasonal And Pandemic Influenza A Viruses., Shweta Tripathi, Guangshun Wang, Mitchell White, Li Qi, Jeffery Taubenberger, Kevan L. Hartshorn

Journal Articles: Pathology and Microbiology

Human LL-37, a cationic antimicrobial peptide, was recently shown to have antiviral activity against influenza A virus (IAV) strains in vitro and in vivo. In this study we compared the anti-influenza activity of LL-37 with that of several fragments derived from LL-37. We first tested the peptides against a seasonal H3N2 strain and the mouse adapted H1N1 strain, PR-8. The N-terminal fragment, LL-23, had slight neutralizing activity against these strains. In LL-23V9 serine 9 is substituted by valine creating a continuous hydrophobic surface. LL-23V9 has been shown to have increased anti-bacterial activity compared to LL-23 and we now show slightly …

Association Between Inflammation And Cardiac Geometry In Chronic Kidney Disease: Findings From The Cric Study., Jayanta Gupta, Elizabeth Dominic, Jeffrey C. Fink, Akinlolu O. Ojo, Ian R. Barrows, Muredach Reilly, Raymond R. Townsend, Marshall Joffe, Sylvia Rosas, Melanie Wolman, Samir Patel, Martin Keane, Harold I. Feldman, John W. Kusek, Dominic S. Raj

Medicine Faculty Publications

Background

Left ventricular hypertrophy (LVH) and myocardial contractile dysfunction are independent predictors of mortality in patients with chronic kidney disease (CKD). The association between inflammatory biomarkers and cardiac geometry has not yet been studied in a large cohort of CKD patients with a wide range of kidney function.

Methods

Plasma levels of interleukin (IL)-1β, IL-1 receptor antagonist (IL-1RA), IL-6, tumor necrosis factor (TNF)-α, transforming growth factor (TGF)-β, high-sensitivity C-Reactive protein (hs-CRP), fibrinogen and serum albumin were measured in 3,939 Chronic Renal Insufficiency Cohort study participants. Echocardiography was performed according to the recommendations of the American Society of Echocardiography and interpreted …

Plasma Tnf-Α And Soluble Tnf Receptor Levels After Doxorubicin With Or Without Co-Administration Of Mesna-A Randomized, Cross-Over Clinical Study, John Hayslip, Emily Van Meter Dressler, Heidi L. Weiss, Tammy J. Taylor, Mara D. Chambers, Teresa Noel, Sumitra Miriyala, Jeriel T. R. Keeney, Xiaojia Ren, Rukhsana Sultana, Mary Vore, D. Allan Butterfield, Daret St. Clair, Jeffrey A. Moscow

Markey Cancer Center Faculty Publications

PURPOSE: Chemotherapy-induced cognitive impairment (CICI) is a common sequelae of cancer therapy. Recent preclinical observations have suggested that CICI can be mediated by chemotherapy-induced plasma protein oxidation, which triggers TNF-α mediated CNS damage. This study evaluated sodium-2-mercaptoethane sulfonate (Mesna) co-administration with doxorubicin to reduce doxorubicin-induced plasma protein oxidation and resultant cascade of TNF-α, soluble TNF receptor levels and related cytokines.

METHODS: Thirty-two evaluable patients were randomized using a crossover design to receive mesna or saline in either the first or second cycle of doxorubicin in the context of a standard chemotherapy regimen for either non-Hodgkin lymphoma or breast …

Disseminated Mycobacterium Tuberculosis With Ulceronecrotic Cutaneous Disease Presenting As Cellulitis, Kelly L. Reed Do, Nektarios I. Lountzis Md

Department of Medicine

No abstract provided.