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Articles 9901 - 9930 of 11106

Full-Text Articles in Medical Specialties

Knowledge Base Of Adolescents With Congenital Heart Disease, Mark Gelatt, Julie Martin, Jennifer A. Marshall, Jennifer Panuco, Jenea Schmidt, Pamela Finn Jun 2016

Knowledge Base Of Adolescents With Congenital Heart Disease, Mark Gelatt, Julie Martin, Jennifer A. Marshall, Jennifer Panuco, Jenea Schmidt, Pamela Finn

Posters

Introduction:

Most congenital heart disease [CHD] is diagnosed and treated in early childhood with parents responsible for decision-making. The adolescent assumes this role in preparation for transition to an adult congenital heart program. We studied the knowledge base of our adolescent CHD patients and their parents.

Methods:

Established CHD patients, >11 y.o. and their parents, were independently surveyed in the outpatient clinic. Participation was voluntary. Cardiomyopathy, electrophysiology and transplant patients were excluded. Scores were assessed as full, partial or incomplete.

Results:

Most (98% parents; 83% adolescents) reported that their cardiologist had provided education. Adolescents provided a full (49%) and partial …


Emergency Coronary Artery Bypass Grafting: Indications And Outcomes From 2003 Through 2013, Erin M Schumer, John H Chaney, Jaimin R Trivedi, Paul L Linsky, Matthew L Williams, Mark S Slaughter Jun 2016

Emergency Coronary Artery Bypass Grafting: Indications And Outcomes From 2003 Through 2013, Erin M Schumer, John H Chaney, Jaimin R Trivedi, Paul L Linsky, Matthew L Williams, Mark S Slaughter

The Texas Heart Institute Journal

Emergency coronary artery bypass grafting (CABG) is associated with increased in-hospital mortality rates and adverse events. This study retrospectively evaluated indications and outcomes in patients who underwent emergency CABG.

The Society of Thoracic Surgeons database for a single center (Jewish Hospital) was queried to identify patients undergoing isolated CABG. Univariate analysis was performed.

From January 2003 through December 2013, 5,940 patients underwent CABG; 212 presented with emergency status. A high proportion of female patients (28.2%) underwent emergency surgery. Emergency CABG patients experienced high rates of intra-aortic balloon pump support, bleeding, dialysis, in-hospital death, and prolonged length of stay. The proportion …


Two Cases Of Transcatheter Closure Of Central Aortopulmonary Shunts: One With An Amplatzer Duct Occluder Ii And One With An Amplatzer Vascular Plug I, Ahmet Celebi, Ilker Kemal Yucel, Sevket Balli, Mehmet Kucuk Jun 2016

Two Cases Of Transcatheter Closure Of Central Aortopulmonary Shunts: One With An Amplatzer Duct Occluder Ii And One With An Amplatzer Vascular Plug I, Ahmet Celebi, Ilker Kemal Yucel, Sevket Balli, Mehmet Kucuk

The Texas Heart Institute Journal

When total correction is not possible in infants who have a cyanotic congenital heart disease, creation of a palliative aortopulmonary shunt is essential. A central aortopulmonary shunt is preferable, because of its technical and hemodynamic advantages. Overcirculation, thrombosis, and stenosis of the shunt are the main postoperative sequelae that necessitate urgent reintervention. Percutaneous transcatheter closure of aortopulmonary shunts can eliminate the need for reoperation and substantially decrease postoperative morbidity and mortality rates. We report our successful transcatheter closures of central aortopulmonary shunts in a 3-month-old infant and a 15-year-old girl, with use of an Amplatzer Duct Occluder II and an …


Fresh Autologous Pericardium To Reconstruct The Pulmonary Valve At The Annulus When Tetralogy Of Fallot Requires A Transannular Patch At Midterm, Shantanu Pande, Jugal K Sharma, C R Siddartha, Anubhav Bansal, Surendra K Agarwal, Prabhat Tewari, Aditya Kapoor Jun 2016

Fresh Autologous Pericardium To Reconstruct The Pulmonary Valve At The Annulus When Tetralogy Of Fallot Requires A Transannular Patch At Midterm, Shantanu Pande, Jugal K Sharma, C R Siddartha, Anubhav Bansal, Surendra K Agarwal, Prabhat Tewari, Aditya Kapoor

The Texas Heart Institute Journal

Tetralogy of Fallot often requires reconstruction of the right ventricular outflow tract with a transannular patch (TAP), but this renders the pulmonary valve incompetent and eventually leads to right ventricular dysfunction.

We retrospectively evaluated the efficacy of a reconstructed pulmonary valve and annulus in 70 patients who underwent, from December 2006 through December 2010, complete correction of tetralogy of Fallot. We divided the 70 patients into 2 groups in accordance with whether they required (n=50) or did not require (n=20) a TAP. We used autologous untreated pericardium to fashion the TAP and to create both an annulus of the correct …


Endocarditis And Incomplete Endothelialization 12 Years After Amplatzer Septal Occluder Deployment, Allan K Nguyen, Brian A Palafox, Joanne P Starr, Richard N Gates, Farbouch Berdjis Jun 2016

Endocarditis And Incomplete Endothelialization 12 Years After Amplatzer Septal Occluder Deployment, Allan K Nguyen, Brian A Palafox, Joanne P Starr, Richard N Gates, Farbouch Berdjis

The Texas Heart Institute Journal

A 4-year-old boy had a 15-mm atrial septal defect repaired percutaneously with use of an Amplatzer Septal Occluder. At age 16 years, he presented with a week's history of fever, chills, dyspnea, fatigue, and malaise. Cultures grew methicillin-sensitive Staphylococcus aureus. A transesophageal echocardiogram showed a 1.25 × 1.5-cm pedunculated mass on the left aspect of the atrial septum just superior to the mitral valve, and a smaller vegetation on the right inferior medial aspect of the septum. At surgery, visual examination of both sides of the septum revealed granulation tissue, the pedunculated mass, the small vegetation, and exposed metal …


Skepticism, The Trained Eye, And The Telltale Clue, Ethan A Natelson Jun 2016

Skepticism, The Trained Eye, And The Telltale Clue, Ethan A Natelson

The Texas Heart Institute Journal

No abstract provided.


The Frequency Of Influenza And Bacterial Co-Infection: A Systematic Review And Meta-Analysis., Eili Y. Klein, Bradley Monteforte, Alisha Gupta, Wendi Jiang, Larissa May, Yu-Hsiang Hsieh, Andrea Freyer Dugas May 2016

The Frequency Of Influenza And Bacterial Co-Infection: A Systematic Review And Meta-Analysis., Eili Y. Klein, Bradley Monteforte, Alisha Gupta, Wendi Jiang, Larissa May, Yu-Hsiang Hsieh, Andrea Freyer Dugas

Emergency Medicine Faculty Publications

AIM: Co-infecting bacterial pathogens are a major cause of morbidity and mortality in influenza. However, there remains a paucity of literature on the magnitude of co-infection in influenza patients.

METHOD: A systematic search of MeSH, Cochrane Library, Web of Science, SCOPUS, EMBASE, and PubMed was performed. Studies of humans in which all individuals had laboratory confirmed influenza, and all individuals were tested for an array of common bacterial species, met inclusion criteria.

RESULTS: Twenty-seven studies including 3,215 participants met all inclusion criteria. Common etiologies were defined from a subset of eight articles. There was high heterogeneity in the results (I(2) …


Elevated Mtss1 Expression Associated With Metastasis And Poor Prognosis Of Residual Hepatitis B-Related Hepatocellular Carcinoma, Xiu-Yan Huang, Zi-Li Huang, Bin Xu, Zi Chen May 2016

Elevated Mtss1 Expression Associated With Metastasis And Poor Prognosis Of Residual Hepatitis B-Related Hepatocellular Carcinoma, Xiu-Yan Huang, Zi-Li Huang, Bin Xu, Zi Chen

Dartmouth Scholarship

Background: Hepatectomy generally offers the best chance of long-term survival for patients with hepatocellular carcinoma (HCC). Many studies have shown that hepatectomy accelerates tumor metastasis, but the mechanism remains unclear.

Methods: An orthotopic nude mice model with palliative HCC hepatectomy was performed in this study. Metastasis-related genes in tumor following resection were screened; HCC invasion, metastasis, and some molecular alterations were examined in vivo and in vitro. Clinical significance of key gene mRNA expression was also analyzed.


Using Mathematical Modeling To Unmask The Concealed Nature Of Long Qt-3 Syndrome, Steven Poelzing, Amara Greer-Short, Seth H. Weinberg May 2016

Using Mathematical Modeling To Unmask The Concealed Nature Of Long Qt-3 Syndrome, Steven Poelzing, Amara Greer-Short, Seth H. Weinberg

Biology and Medicine Through Mathematics Conference

No abstract provided.


Low Energy Defibrillation By Synchronization; 90 % Less Energy Compared To One Shock., Flavio H. Fenton, Yanyan Ji, Ilija Uzelac, Niels Otani, Elizabeth M. Cherry May 2016

Low Energy Defibrillation By Synchronization; 90 % Less Energy Compared To One Shock., Flavio H. Fenton, Yanyan Ji, Ilija Uzelac, Niels Otani, Elizabeth M. Cherry

Biology and Medicine Through Mathematics Conference

No abstract provided.


A Structured Telephonic Transition Program For Heart Failure Patients, Julia E. Robinson May 2016

A Structured Telephonic Transition Program For Heart Failure Patients, Julia E. Robinson

Doctor of Nursing Practice Final Manuscripts

HF is a fatal condition affecting more than 5 million Americans leading to frequent hospitalizations, poor quality of life and death. The annual cost to the healthcare system is approximately $38 billion, ranking HF as one of the costliest conditions to manage. Significant evidence exists that HF self-care management programs improve patient self-care and decrease HF-related readmissions. Current guidelines recommend health professionals provide comprehensive HF education focused on knowledge, skills of management, and self-care behaviors.

The Iowa Model of Evidence Based Practice provided the foundation for the practice change. Structured telephonic support (STS) was based on Bandura’s Self- Efficacy behavior …


Health Care Transition Program For Adolescents With Spina Bifida, Teresa M. Scavone May 2016

Health Care Transition Program For Adolescents With Spina Bifida, Teresa M. Scavone

Doctor of Nursing Practice Final Manuscripts

The purpose of this evidence-based project was to evaluate the feasibility of implementing an NP facilitated formal transition program for adolescents with Spina Bifida. There is an increased awareness of the need for health care transition for youth with special health care needs (YSHCN) due to the 2009-2010 Maternal Child Health Branch National Survey findings that only 40% of YSHCN receive adequate support for transition that meets the core outcome measures. Recent studies have investigated transition in youth with chronic disease specific conditions such as diabetes, cystic fibrosis, and congenital heart defects, and provide valuable insight into possible strategies for …


Norovirus Infection And Acquired Immunity In 8 Countries: Results From The Mal-Ed Study, Furqan Kabir, Adil Kalam, Pascal Bessong Pascal Bessong, Zulfiqar Ahmed Bhutta, Anita K. M. Zaidi, (Mal-Ed) Network Investigators, Imran Ahmed, Didar Alam, Syed Asad Ali, Shahida Qureshi, Muneera Rasheed, Sajid Bashir Soofi, Ali Turab, Aisha Khizar Yousafzai May 2016

Norovirus Infection And Acquired Immunity In 8 Countries: Results From The Mal-Ed Study, Furqan Kabir, Adil Kalam, Pascal Bessong Pascal Bessong, Zulfiqar Ahmed Bhutta, Anita K. M. Zaidi, (Mal-Ed) Network Investigators, Imran Ahmed, Didar Alam, Syed Asad Ali, Shahida Qureshi, Muneera Rasheed, Sajid Bashir Soofi, Ali Turab, Aisha Khizar Yousafzai

Department of Paediatrics and Child Health

Background: Norovirus is an important cause of childhood diarrhea. We present data from a longitudinal, multicountry study describing norovirus epidemiology during the first 2 years of life.
Methods: A birth cohort of 1457 children across 8 countries contributed 7077 diarrheal stools for norovirus testing. A subset of 199 children contributed additional asymptomatic samples (2307) and diarrheal stools (770), which were used to derive incidence rates and evaluate evidence for acquired immunity.
Results: Across sites, 89% of children experienced at least 1 norovirus infection before 24 months, and 22.7% of all diarrheal stools were norovirus positive. Severity of norovirus-positive diarrhea was …


The Utility Of Remote Hemodynamic Monitoring Devices In Patients With A Ventricular Assist Device, Bennet George, Amanda Hart, Sarah Branam, Maya Guglin May 2016

The Utility Of Remote Hemodynamic Monitoring Devices In Patients With A Ventricular Assist Device, Bennet George, Amanda Hart, Sarah Branam, Maya Guglin

The VAD Journal

Remote intracardiac hemodynamic monitoring is a growing area of interest to help aid in the management of patients with chronic congestive heart failure. The utility of remote hemodynamic monitoring has not previously been investigated with a ventricular assist device population. We present two cases of patients with ventricular assist devices in which we employed remote hemodynamic monitoring data to aid in patient management.


Revealing The Quality Of Movement: A Meta-Analysis Review To Quantify The Thresholds To Pathological Variability During Standing And Walking, Niklas König Ignasiak May 2016

Revealing The Quality Of Movement: A Meta-Analysis Review To Quantify The Thresholds To Pathological Variability During Standing And Walking, Niklas König Ignasiak

Physical Therapy Faculty Articles and Research

Neuromotor processes are inherently noisy, which results in variability during movement and fluctu-ations in motor control. Although controversial, low levels of variability are traditionally considered healthy, while increased levels are thought to be pathological. This systematic review and meta-analysisof the literature investigates the thresholds between healthy and pathological task variability.

After examining 13,195 publications, 109 studies were included. Results from over 3000 healthy sub-jects and 2775 patients revealed an overall positive effect size of pathology on variability of 0.59 forwalking and 0.80 for sway. For the coefficient of variation of stride time (ST) and sway area (SA), upperthresholds of 2.6% …


The Mysteries Of Your Blood, Alexandra J. Mauer May 2016

The Mysteries Of Your Blood, Alexandra J. Mauer

BU Well

Did you know that your blood type can be useful for determining disease susceptibility and even creating a diet that works best for your personal metabolism? The Mysteries of your Blood is an article that delves into the science behind the ABO blood types and explains why your body can handle certain foods, stress, and illness differently than someone with a different blood type. It proposes a new, perplexing way to determine how to avoid certain health problems while at the same time offering suggestions of what to eat or, rather, what to avoid eating.


An N Of One: My Review Of Management Of Type 1 Diabetes, Myself As Patient, Jarred Daugherty May 2016

An N Of One: My Review Of Management Of Type 1 Diabetes, Myself As Patient, Jarred Daugherty

BU Well

As technology has advanced, so has the management of diabetes. Insulin, the essential medication for type 1 diabetes, is marketed in an array of formulations and devices. Continuous glucose monitors (CGM) can be inserted to measure blood glucose every 5 minutes. The rise of social media has given diabetics online support groups, where they can share their story and learn from others overcoming similar challenges. So, how well do the current diabetes management strategies work? My name Is Jarred and I’m a type 1 diabetic. I have tried many of these products and this article is a review of my …


Cardiac Remodeling And Dysfunction In Childhood Obesity: A Cardiovascular Magnetic Resonance Study, Linyuan Jing, Cassi M. Binkley, Jonathan D. Suever, Nivedita Umasankar, Christopher M. Haggerty, Jennifer Rich, Christopher D. Nevius, Gregory J. Wehner, Sean M. Hamlet, David K. Powell, Aurelia Radulescu, H. Lester Kirchner, Frederick H. Epstein, Brandon K. Fornwalt May 2016

Cardiac Remodeling And Dysfunction In Childhood Obesity: A Cardiovascular Magnetic Resonance Study, Linyuan Jing, Cassi M. Binkley, Jonathan D. Suever, Nivedita Umasankar, Christopher M. Haggerty, Jennifer Rich, Christopher D. Nevius, Gregory J. Wehner, Sean M. Hamlet, David K. Powell, Aurelia Radulescu, H. Lester Kirchner, Frederick H. Epstein, Brandon K. Fornwalt

Pediatrics Faculty Publications

Background: Obesity affects nearly one in five children and is associated with increased risk of premature death. Obesity-related heart disease contributes to premature death. We aimed to use cardiovascular magnetic resonance (CMR) to comprehensively characterize the changes in cardiac geometry and function in obese children.

Methods and results: Forty-one obese/overweight (age 12 ± 3 years, 56 % female) and 29 healthy weight children (age 14 ± 3 years, 41 % female) underwent CMR, including both standard cine imaging and displacement encoded imaging, for a complete assessment of left ventricular (LV) structure and function. After adjusting for age, LV mass index …


Recurrent Mutations Of T-Cell Receptor And Co-Stimulatory Signaling Proteins In Peripheral T-Cell Lymphomas, Joseph Rohr May 2016

Recurrent Mutations Of T-Cell Receptor And Co-Stimulatory Signaling Proteins In Peripheral T-Cell Lymphomas, Joseph Rohr

Theses & Dissertations

Peripheral T-cell lymphomas (PTCLs) comprise a heterogeneous group of mature T-cell neoplasms with a poor prognosis. Recently, mutations in TET2 and other epigenetic modifiers as well as RHOA have been identified in these diseases, particularly in angioimmunoblastic T-cell lymphoma (AITL). CD28 is the major co-stimulatory receptor in T-cells which, upon binding ligand, induces sustained T-cell proliferation and cytokine production when combined with T-cell receptor stimulation, through many signaling molecules including VAV1. This thesis identifies recurrent mutations in CD28 in PTCLs, as well as mutations in VAV1. Two residues of CD28 – D124 and T195 – were recurrently mutated in 11.3% …


The Effect Of Heart Failure Education On Knowledge And Readmission, Sara A. Golden May 2016

The Effect Of Heart Failure Education On Knowledge And Readmission, Sara A. Golden

Evidence-Based Practice Project Reports

Heart Failure (HF) is a chronic progressive disease affecting over 5 million individuals with an expected increase in incidence as the population ages (Yehle & Plake, 2010). The costs associated with managing HF continue to increase and the Centers for Medicare and Medicaid Services (CMS) have attempted to identify ways to improve patient management of HF to reduce the revolving door of hospital readmissions and decrease expenditures. According to 2006 data, as many as one fourth of the Medicare beneficiaries discharged from acute care to skilled nursing facilities (SNF) were readmitted to the hospital within 30 days and the majority …


Fecal Transplant Vs Vancomycin For Recurrent Clostridium Diffile, Lauren M. Taylor, Todd E. Edwards May 2016

Fecal Transplant Vs Vancomycin For Recurrent Clostridium Diffile, Lauren M. Taylor, Todd E. Edwards

Physician Assistant Capstones, 2016 to 2019

Objective: To compare fecal transplant and vancomycin in the treatment of recurrent clostridium difficile to determine which has the higher cure rate. Design: Systematic literature review. Methods: Pubmed, Google Scholar, and TRIP database using the search terms “recurrent clostridium difficile.” Filters were implemented in the Pubmed database including: randomized control trials, English, and published in the past 5 years. Records were screened for RCT with fecal transplant and full-text. Results: van Nood et al. revealed an initial cure rate of 81% for the infusion group, and a re-treated cure rate of 94%, compared to the vancomycin alone group of 31% …


Routine Screening For Abdominal Aortic Aneurysm: Is It For Everyone?, Catherine E. Nowak May 2016

Routine Screening For Abdominal Aortic Aneurysm: Is It For Everyone?, Catherine E. Nowak

Physician Assistant Capstones, 2016 to 2019

Objective: Determine whether routine abdominal ultrasound screening in all men ages 65 and over, not just those who are symptomatic or at risk, would be beneficial in reducing the mortality rate from abdominal aortic aneurysms (AAA). Design: Systematic literature review. Methods: The clinical question investigated is whether routine ultrasound screening of AAA for men over age 65 reduces AAA-related mortality as compared to not routinely screening. Searches were done through PubMed using the keywords: screening, abdominal aortic aneurysm, reduce, and mortality. Citations used by the USPSTF AAA screening guidelines were also added to the literature search. In PubMed, further limitations …


Thyroid Cancer And Tumor Collaborative Registry (Tccr)., Oleg Shats, Whitney Goldner, Jianmin Feng, Alexander Sherman, Russell B. Smith, Simon Sherman May 2016

Thyroid Cancer And Tumor Collaborative Registry (Tccr)., Oleg Shats, Whitney Goldner, Jianmin Feng, Alexander Sherman, Russell B. Smith, Simon Sherman

Journal Articles: Eppley Institute

A multicenter, web-based Thyroid Cancer and Tumor Collaborative Registry (TCCR, http://tccr.unmc.edu) allows for the collection and management of various data on thyroid cancer (TC) and thyroid nodule (TN) patients. The TCCR is coupled with OpenSpecimen, an open-source biobank management system, to annotate biospecimens obtained from the TCCR subjects. The demographic, lifestyle, physical activity, dietary habits, family history, medical history, and quality of life data are provided and may be entered into the registry by subjects. Information on diagnosis, treatment, and outcome is entered by the clinical personnel. The TCCR uses advanced technical and organizational practices, such as (i) metadata-driven software …


Characterization Of Bacterial Pathogens Involved In Aerobic Vaginitis: Prevalence, Strain Characterization And Sequelae, Leslie A. Lafferty May 2016

Characterization Of Bacterial Pathogens Involved In Aerobic Vaginitis: Prevalence, Strain Characterization And Sequelae, Leslie A. Lafferty

Graduate School of Biomedical Sciences Theses and Dissertations

Aerobic vaginitis (AV) is a more recently defined infection that involves aerobic pathogenic bacteria that replace the normal flora of the vaginal tract. It is commonly mistaken for other vaginal infections, such as bacterial vaginosis (BV), because they share many common symptoms. AV leads to complications during pregnancy, such as premature delivery and amnion infection, and is diagnosed by indications that range from vaginal discharge to inflammation. Because this infection is difficult to diagnose differentially from other vaginal infections, it is important to determine what pathogens are involved in AV so that we may have the ability to detect them. …


The Effect Of Sleep Quality And High Intensity Physical Activity On Inflammation And Cardiovascular Disease Risk Factors In College Students, Catherine Abraham May 2016

The Effect Of Sleep Quality And High Intensity Physical Activity On Inflammation And Cardiovascular Disease Risk Factors In College Students, Catherine Abraham

Honors Scholar Theses

Background: Inflammation is the common denominator in chronic conditions such as obesity, diabetes, and depression. While adequate physical activity and optimal sleep quality may help maintain normal inflammation levels, evidence is somewhat conflicting. Aim: This cross-sectional observational study aimed to assess how sleep quality and high intensity physical activity associated with cardiovascular disease (CVD) risk factors and inflammatory biomarkers in a sample of young adults (n=106, ages 18-25 years). Methods: Laboratory-based assessments included lifestyle behaviors (sleep quality, Pittsburgh Sleep Quality Index; self-reported frequency/intensity of physical activity; Healthy Behavior Index derived from reported preference for diet and physical activity), CVD risk …


Association Of Self-Care Confidence And Hospital Readmission Following Student Nurse Led Congestive Heart Failure Transitional Care Project, Peyton A. Phelps May 2016

Association Of Self-Care Confidence And Hospital Readmission Following Student Nurse Led Congestive Heart Failure Transitional Care Project, Peyton A. Phelps

The Eleanor Mann School of Nursing Undergraduate Honors Theses

Abstract

Over 5 million Americans have been diagnosed with heart failure, and that number is growing. This disease is burdensome to the patient as it lessens their quality of life and to the healthcare system due to costliness and frequent readmissions. This study aims to evaluate if a student nurse led transitional care program can increase patient self-care confidence, in turn reducing 30 day hospital readmission rates. Twenty patients completed the Self Care of Heart Failure Index before and after a 14-week transitional care program. These reported data were compared using a paired samples t-test. There was not a …


Micellular Electrokinetic Chromatography For Studying Amyloid Beta Oligomer Membrane Affinity, Andrew Bryson May 2016

Micellular Electrokinetic Chromatography For Studying Amyloid Beta Oligomer Membrane Affinity, Andrew Bryson

Biomedical Engineering Undergraduate Honors Theses

Amyloid Beta (Aβ) was the major focus of this study. It is a peptide that is present in the brain with a high tendency to self-aggregate. When this protein aggregates, it forms oligomers and protofibrils which in turn are deposited as senile plaques in the brain. The reason for the concern with these plaques is their association with the neurological disorder Alzheimer’s disease. It has been found that the most dangerous oligomers are formed in a portion of the plasma membrane known as lipid rafts. The purpose of this study was to understand how micelles affect the aggregation properties of …


The Effects Of Pulmonary Hypertension In Diabetic Zucker Rats On Pulmonary Vascular Contraction And Right Ventricular Size, Michael Franzetti May 2016

The Effects Of Pulmonary Hypertension In Diabetic Zucker Rats On Pulmonary Vascular Contraction And Right Ventricular Size, Michael Franzetti

Biological Sciences Undergraduate Honors Theses

Pulmonary hypertension is a life-threatening disease that is identified by a resting mean pulmonary arterial pressure over 25 mmHg and established by right heart catheterization (Saglam et al., 2015). The symptoms commonly associated with pulmonary hypertension include fatigue, dyspnea, syncope, and chest pain, which severely limit quality of life in diagnosed patients (Saglam et al., 2015). According to recent studies in patients with pulmonary hypertension, the one, three and five year mortality rates are 8%, 25%, and 34%, respectively (Burudpakdee, Shah, Joish, Divers, & Yaldo, 2014). Although some advances have been made in therapies for pulmonary hypertension, the prognosis is …


Stabilization Of Gp120 Outer Domain For Hiv-1-1 Vaccine Immunogen Design, Duoyi Hu May 2016

Stabilization Of Gp120 Outer Domain For Hiv-1-1 Vaccine Immunogen Design, Duoyi Hu

School of Veterinary and Biomedical Sciences: Dissertations, Theses, and Student Research

The sole envelope glycoprotein spike on the surface of Human Immunodeficiency Virus (HIV-1) is composed of two subunits: gp120 and gp41. The gp120 consists of three domains: the inner domain, outer domain and bridging sheet, to which the viral primary receptor CD4 binds and induces a conformational change in gp120 to expose the co-receptor binding site. Previous studies have found that the outer domain of gp120 is relatively more stable than the inner domain and bridging sheet. When superimposed, the co-crystal structures of CD4-gp120 complex and VRC01-gp120 complex revealed that the CD4-binding site (CD4-BS) antibody VRC01 actually mainly bound to …


Programming Heart Disease: Does Poor Maternal Nutrition Alter Expression Of Cardiac Markers Of Proliferation, Hypertrophy, And Fibrosis In Offspring?, Cathy Chun May 2016

Programming Heart Disease: Does Poor Maternal Nutrition Alter Expression Of Cardiac Markers Of Proliferation, Hypertrophy, And Fibrosis In Offspring?, Cathy Chun

Honors Scholar Theses

Maternal malnutrition can affect fetal organogenesis, metabolic processes, and factors involved in developmental regulation. Of the many physiological effects poor maternal nutrition can induce in offspring, one of the most important organs affected is the heart. Cardiovascular disease has been associated with poor maternal diet. It also been suggested that hypertension can originate during impaired intrauterine growth and development. Hypertension can trigger hypertensive heart disease and is associated with numerous heart complications. We hypothesized that poor maternal nutrition would alter critical growth factors associated with normal heart development, specifically, insulin-like growth factor (IGF)-1, IGF-2, transforming growth factor (TGF)β, and connective …