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Chronic Systemic Immune Dysfunction In African-Americans With Small Vessel-Type Ischemic Stroke, Candice M. Brown, Cheryl D. Bushnell, Gregory P. Samsa, Larry B. Goldstein, Carol A. Colton Dec 2015

Chronic Systemic Immune Dysfunction In African-Americans With Small Vessel-Type Ischemic Stroke, Candice M. Brown, Cheryl D. Bushnell, Gregory P. Samsa, Larry B. Goldstein, Carol A. Colton

Neurology Faculty Publications

The incidence of small vessel-type (lacunar) ischemic strokes is greater in African-Americans compared to whites. The chronic inflammatory changes that result from lacunar stroke are poorly understood. To elucidate these changes, we measured serum inflammatory and thrombotic biomarkers in African-Americans at least 6 weeks post-stroke compared to control individuals. Cases were African-Americans with lacunar stroke (n = 30), and controls were age-matched African-Americans with no history of stroke or other major neurologic disease (n = 37). Blood was obtained > 6 weeks post-stroke and was analyzed for inflammatory biomarkers. Freshly isolated peripheral blood mononuclear cells were stimulated with lipopolysaccharide …


Safety And Immunogenicity Of Human Serum Albumin-Free Mmr Vaccine In Us Children Aged 12-15 Months., Maurice A. Mufson, Clemente Diaz, Michael Leonardi, Christopher J. Harrison, Stanley Grogg, Antonio Carbayo, Simon Carlo-Torres, Robert Jeanfreau, Ana Quintero-Del-Rio, Gisele Bautista, Michael Povey, Christopher Da Costa, Ouzama Nicholson, Bruce L. Innis Dec 2015

Safety And Immunogenicity Of Human Serum Albumin-Free Mmr Vaccine In Us Children Aged 12-15 Months., Maurice A. Mufson, Clemente Diaz, Michael Leonardi, Christopher J. Harrison, Stanley Grogg, Antonio Carbayo, Simon Carlo-Torres, Robert Jeanfreau, Ana Quintero-Del-Rio, Gisele Bautista, Michael Povey, Christopher Da Costa, Ouzama Nicholson, Bruce L. Innis

Manuscripts, Articles, Book Chapters and Other Papers

BACKGROUND: M-M-R(TM)II (MMRII; Merck & Co) is currently the only measles-mumps-rubella (MMR) vaccine licensed in the United States. Another licensed vaccine would reinforce MMR supply. This study assessed the immunogenicity of a candidate vaccine (Priorix(TM), GlaxoSmithKline Vaccines [MMR-RIT]) when used as a first dose among eligible children in the United States.

METHODS: In this exploratory Phase-2, multicenter, observer-blind study, 1220 healthy subjects aged 12-15 months were randomized (3:3:3:3) and received 1 dose of 1 of 3 MMR-RIT lots with differing mumps virus titers (MMR-RIT-1 [4.8 log10]; MMR-RIT-2 [4.1 log10]; MMR-RIT-3 [3.7 log10] CCID50) or MMRII co-administered with hepatitis A vaccine …


Progressive Hearing Loss In Mice Carrying A Mutation In Usp53, Marcin Kazmierczak, Suzan L. Harris, Piotr Kazmierczak, Prahar Shah, Valentin Starovoytov, Kevin K. Ohlemiller, Martin Schwander Nov 2015

Progressive Hearing Loss In Mice Carrying A Mutation In Usp53, Marcin Kazmierczak, Suzan L. Harris, Piotr Kazmierczak, Prahar Shah, Valentin Starovoytov, Kevin K. Ohlemiller, Martin Schwander

Open Access Publications

UNLABELLED: Disordered protein ubiquitination has been linked to neurodegenerative disease, yet its role in inner ear homeostasis and hearing loss is essentially unknown. Here we show that progressive hearing loss in the ethylnitrosourea-generated mambo mouse line is caused by a mutation in Usp53, a member of the deubiquitinating enzyme family. USP53 contains a catalytically inactive ubiquitin-specific protease domain and is expressed in cochlear hair cells and a subset of supporting cells. Although hair cell differentiation is unaffected in mambo mice, outer hair cells degenerate rapidly after the first postnatal week. USP53 colocalizes and interacts with the tight junction scaffolding proteins …


Fibronectin Signals Through Integrin Α5Β1 To Regulate Cardiovascular Development In A Cell Type-Specific Manner., Dongying Chen, Xia Wang, Dong Liang, Julie Gordon, Ashok Mittal, Nancy Manley, Karl Degenhardt, Sophie Astrof Nov 2015

Fibronectin Signals Through Integrin Α5Β1 To Regulate Cardiovascular Development In A Cell Type-Specific Manner., Dongying Chen, Xia Wang, Dong Liang, Julie Gordon, Ashok Mittal, Nancy Manley, Karl Degenhardt, Sophie Astrof

Department of Medicine Faculty Papers

Fibronectin (Fn1) is an evolutionarily conserved extracellular matrix glycoprotein essential for embryonic development. Global deletion of Fn1 leads to mid-gestation lethality from cardiovascular defects. However, severe morphogenetic defects that occur early in embryogenesis in these embryos precluded assigning a direct role for Fn1 in cardiovascular development. We noticed that Fn1 is expressed in strikingly non-uniform patterns during mouse embryogenesis, and that its expression is particularly enriched in the pharyngeal region corresponding with the pharyngeal arches 3, 4, and 6. This region bears a special importance for the developing cardiovascular system, and we hypothesized that the localized enrichment of Fn1 in …


‘The Thing Is Not Knowing’: Patients' Perspectives On Surveillance Of An Indeterminate Pulmonary Nodule, Renda Soylemez Wiener, Michael K. Gould, Steven Woloshin, Lisa M. Schwartz, Jack Clark Nov 2015

‘The Thing Is Not Knowing’: Patients' Perspectives On Surveillance Of An Indeterminate Pulmonary Nodule, Renda Soylemez Wiener, Michael K. Gould, Steven Woloshin, Lisa M. Schwartz, Jack Clark

Dartmouth Scholarship

Background: The hundreds of thousands of patients found to have a potentially malignant pulmonary nodule each year are faced with tremendous uncertainty regarding what the nodule is and how it should be evaluated.

Objective: To explore patients' responses to the detection and evaluation of a pulmonary nodule.


Effect Of A Cognitive-Behavioral Prevention Program On Depression 6 Years After Implementation Among At-Risk Adolescents: A Randomized Clinical Trial., David A Brent, Steven M. Brunwasser Phd, Steven D Hollon, V Robin Weersing, Gregory N Clarke, John F Dickerson, William R Beardslee, Tracy R G Gladstone, Giovanna Porta, Frances L Lynch, Satish Iyengar, Judy Garber Nov 2015

Effect Of A Cognitive-Behavioral Prevention Program On Depression 6 Years After Implementation Among At-Risk Adolescents: A Randomized Clinical Trial., David A Brent, Steven M. Brunwasser Phd, Steven D Hollon, V Robin Weersing, Gregory N Clarke, John F Dickerson, William R Beardslee, Tracy R G Gladstone, Giovanna Porta, Frances L Lynch, Satish Iyengar, Judy Garber

College of Science & Mathematics Departmental Research

IMPORTANCE: Adolescents whose parents have a history of depression are at risk for developing depression and functional impairment. The long-term effects of prevention programs on adolescent depression and functioning are not known.

OBJECTIVE: To determine whether a cognitive-behavioral prevention (CBP) program reduced the incidence of depressive episodes, increased depression-free days, and improved developmental competence 6 years after implementation.

DESIGN, SETTING, AND PARTICIPANTS: A 4-site randomized clinical trial compared the effect of CBP plus usual care vs usual care, through follow-up 75 months after the intervention (88% retention), with recruitment from August 2003 through February 2006 at a health maintenance organization, …


Identification And Survival Outcomes Of A Cohort Of Patients With Cancer Of Unknown Primary In Ontario, Canada., Chong S Kim, Malek B Hannouf, Sisira Sarma, George B Rodrigues, Peter K Rogan, Salaheddin M Mahmud, Eric Winquist, Muriel Brackstone, Gregory S Zaric Nov 2015

Identification And Survival Outcomes Of A Cohort Of Patients With Cancer Of Unknown Primary In Ontario, Canada., Chong S Kim, Malek B Hannouf, Sisira Sarma, George B Rodrigues, Peter K Rogan, Salaheddin M Mahmud, Eric Winquist, Muriel Brackstone, Gregory S Zaric

Epidemiology and Biostatistics Publications

BACKGROUND: Cancer of unknown primary origin (CUP) is defined by the presence of pathologically identified metastatic disease without clinical or radiological evidence of a primary tumour. Our objective was to identify incident cases of CUP in Ontario, Canada, and determine the influence of histology and sites of metastases on overall survival (OS).

MATERIAL AND METHODS: We used the Ontario Cancer Registry (OCR) and the Same-Day Surgery and Discharge Abstract Database (SDS/DAD) to identify patients diagnosed with CUP in Ontario between 1 January 2000, and 31 December 2005. Patient diagnostic information, including histology and survival data, was obtained from the OCR. …


Potential Impact Of Prescribing Metformin According To Egfr Rather Than Serum Creatinine, Delphine S. Tuot, Feng Lin, Michael G. Shlipak, Vanessa Grubbs, Chi-Yuan Hsu, Jerry Yee, Vahakn Shahinian, Rajiv Saran, Sharon Saydah, Desmond E. Williams, Neil R. Powe Nov 2015

Potential Impact Of Prescribing Metformin According To Egfr Rather Than Serum Creatinine, Delphine S. Tuot, Feng Lin, Michael G. Shlipak, Vanessa Grubbs, Chi-Yuan Hsu, Jerry Yee, Vahakn Shahinian, Rajiv Saran, Sharon Saydah, Desmond E. Williams, Neil R. Powe

Nephrology Articles

OBJECTIVE: Many societies recommend using estimated glomerular filtration rate (eGFR) rather than serum creatinine (sCr) to determine metformin eligibility. We examined the potential impact of these recommendations on metformin eligibility among U.S. adults.

RESEARCH DESIGN AND METHODS: Metformin eligibility was assessed among 3,902 adults with diabetes who participated in the 1999-2010 National Health and Nutrition Examination Surveys and reported routine access to health care, using conventional sCr thresholds (eligible if

RESULTS: Among adults with sCr above conventional cutoffs, MDRD eGFR ≥45 mL/min/1.73 m(2) was most common among men (adjusted odds ratio [aOR] 33.3 [95% CI 7.4-151.5] vs. women) and non-Hispanic …


Employment Status And Participation In Cardiac Rehabilitation: Does Encouraging Earlier Enrollment Improve Attendance?, Quinn R. Pack, Ray W. Squires, Claudia Valdez-Lowe, Mouhamad Mansour, Randal J. Thomas, Steven J. Keteyian Nov 2015

Employment Status And Participation In Cardiac Rehabilitation: Does Encouraging Earlier Enrollment Improve Attendance?, Quinn R. Pack, Ray W. Squires, Claudia Valdez-Lowe, Mouhamad Mansour, Randal J. Thomas, Steven J. Keteyian

Cardiology Articles

PURPOSE: For patients hospitalized for a cardiac event, an earlier appointment to outpatient cardiac rehabilitation (CR) increases participation. However, it is unknown what effect hastening CR enrollment might have among employed patients planning to return to work (RTW).

METHODS: Using 2 complementary data sets from Henry Ford Hospital (HFH) and Mayo Clinic, we assessed when employed patients eligible for CR anticipated a RTW, the impact of an earlier appointment on CR enrollment, and the effect of employment status on the number of CR sessions attended. Patients at HFH attended CR at either 8 or 42 days (through randomization), whereas Mayo …


Identification Of Regions Of Normal Grey Matter And White Matter From Pathologic Glioblastoma And Necrosis In Frozen Sections Using Raman Imaging, Rachel Kast, Gregory Auner, Sally Yurgelevic, Brandy Broadbent, Aditya Raghunathan, Laila M. Poisson, Tom Mikkelsen, Mark L. Rosenblum, Steven N. Kalkanis Nov 2015

Identification Of Regions Of Normal Grey Matter And White Matter From Pathologic Glioblastoma And Necrosis In Frozen Sections Using Raman Imaging, Rachel Kast, Gregory Auner, Sally Yurgelevic, Brandy Broadbent, Aditya Raghunathan, Laila M. Poisson, Tom Mikkelsen, Mark L. Rosenblum, Steven N. Kalkanis

Neurosurgery Articles

In neurosurgical applications, a tool capable of distinguishing grey matter, white matter, and areas of tumor and/or necrosis in near-real time could greatly aid in tumor resection decision making. Raman spectroscopy is a non-destructive spectroscopic technique which provides molecular information about the tissue under examination based on the vibrational properties of the constituent molecules. With careful measurement and data processing, a spatial step and repeat acquisition of Raman spectra can be used to create Raman images. Forty frozen brain tissue sections were imaged in their entirety using a 300-µm-square measurement grid, and two or more regions of interest within each …


Saving Life And Brain With Extracorporeal Cardiopulmonary Resuscitation: A Single-Center Analysis Of In-Hospital Cardiac Arrests., Graham Peigh, Nicholas C. Cavarocchi, Hitoshi Hirose Nov 2015

Saving Life And Brain With Extracorporeal Cardiopulmonary Resuscitation: A Single-Center Analysis Of In-Hospital Cardiac Arrests., Graham Peigh, Nicholas C. Cavarocchi, Hitoshi Hirose

Department of Surgery Faculty Papers

OBJECTIVE: Despite advances in medical care, survival to discharge and full neurologic recovery after cardiac arrest remains less than 20% after cardiopulmonary resuscitation. An alternate approach to traditional cardiopulmonary resuscitation is extracorporeal cardiopulmonary resuscitation, which places patients on extracorporeal membrane oxygenation during cardiopulmonary resuscitation and provides immediate cardiopulmonary support when traditional resuscitation has been unsuccessful. We report the results from extracorporeal cardiopulmonary resuscitation at the Thomas Jefferson University.

METHODS: Between 2010 and June 2014, 107 adult extracorporeal membrane oxygenation procedures were performed at the Thomas Jefferson University. Patient demographics, survival to discharge, and neurologic recovery of patients who underwent extracorporeal …


Right Ventricular Dysfunction After Resuscitation Predicts Poor Outcomes In Cardiac Arrest Patients Independent Of Left Ventricular Function., Vimal Ramjee, Anne V. Grossestreuer, Yuan Yao, Sarah M. Perman, Marion Leary, James N. Kirkpatrick, Paul R. Forfia, Daniel M. Kolansky, Benjamin S. Abella, David F. Gaieski Nov 2015

Right Ventricular Dysfunction After Resuscitation Predicts Poor Outcomes In Cardiac Arrest Patients Independent Of Left Ventricular Function., Vimal Ramjee, Anne V. Grossestreuer, Yuan Yao, Sarah M. Perman, Marion Leary, James N. Kirkpatrick, Paul R. Forfia, Daniel M. Kolansky, Benjamin S. Abella, David F. Gaieski

Department of Emergency Medicine Faculty Papers

OBJECTIVE: Determination of clinical outcomes following resuscitation from cardiac arrest remains elusive in the immediate post-arrest period. Echocardiographic assessment shortly after resuscitation has largely focused on left ventricular (LV) function. We aimed to determine whether post-arrest right ventricular (RV) dysfunction predicts worse survival and poor neurologic outcome in cardiac arrest patients, independent of LV dysfunction.

METHODS: A single-center, retrospective cohort study at a tertiary care university hospital participating in the Penn Alliance for Therapeutic Hypothermia (PATH) Registry between 2000 and 2012.

PATIENTS: 291 in- and out-of-hospital adult cardiac arrest patients at the University of Pennsylvania who had return of spontaneous …


Beyond The One-Locus-One-Mirna Paradigm: Microrna Isoforms Enable Deeper Insights Into Breast Cancer Heterogeneity., Aristeidis G Telonis, Phillipe Loher, Yi Jing, Eric R Londin, Isidore Rigoutsos Oct 2015

Beyond The One-Locus-One-Mirna Paradigm: Microrna Isoforms Enable Deeper Insights Into Breast Cancer Heterogeneity., Aristeidis G Telonis, Phillipe Loher, Yi Jing, Eric R Londin, Isidore Rigoutsos

Computational Medicine Center Faculty Papers

Here we describe our study of miRNA isoforms (isomiRs) in breast cancer (BRCA) and normal breast data sets from the Cancer Genome Atlas (TCGA) repository. We report that the full isomiR profiles, from both known and novel human-specific miRNA loci, are particularly rich in information and can distinguish tumor from normal tissue much better than the archetype miRNAs. IsomiR expression is also dependent on the patient's race, exemplified by miR-183-5p, several isomiRs of which are upregulated in triple negative BRCA in white but not black women. Additionally, we find that an isomiR's 5' endpoint and length, but not the genomic …


Microrna Circulating In The Early Aftermath Of Motor Vehicle Collision Predict Persistent Pain Development And Suggest A Role For Microrna In Sex-Specific Pain Differences., Sarah D. Linnstaedt, Margaret G. Walker, Joel S. Parker, Eunice Yeh, Robert L. Sons, Erin Zimny, Christopher A. Lewandowski, Phyllis L. Hendry, Kathia Damiron, Claire Pearson, Marc-Anthony Velilla, Brian J. O'Neil, Jeffrey Jones, Robert Swor, Robert Domeier, Scott Hammond, Samuel A. Mclean Oct 2015

Microrna Circulating In The Early Aftermath Of Motor Vehicle Collision Predict Persistent Pain Development And Suggest A Role For Microrna In Sex-Specific Pain Differences., Sarah D. Linnstaedt, Margaret G. Walker, Joel S. Parker, Eunice Yeh, Robert L. Sons, Erin Zimny, Christopher A. Lewandowski, Phyllis L. Hendry, Kathia Damiron, Claire Pearson, Marc-Anthony Velilla, Brian J. O'Neil, Jeffrey Jones, Robert Swor, Robert Domeier, Scott Hammond, Samuel A. Mclean

Emergency Medicine Articles

BACKGROUND: Molecular mediators influencing the transition from acute to persistent musculoskeletal pain following common stress exposures such as motor vehicle collision (MVC) remain poorly understood. In this exploratory, proof of concept study, we compared circulating microRNA (miRNA) expression profiles in the early aftermath of MVC among individuals who did and did not subsequently develop persistent pain. Blood RNA samples were obtained from African American individuals (n = 53) who presented to the emergency department after MVC and were discharged to home after evaluation. The presence or absence of severe pain in the axial region, the most common and morbid region …


Effect Of Mycophenolate Mofetil On The White Blood Cell Count And The Frequency Of Infection In Systemic Lupus Erythematosus., Ananta Subedi, Laurence S. Magder, Michelle Petri Oct 2015

Effect Of Mycophenolate Mofetil On The White Blood Cell Count And The Frequency Of Infection In Systemic Lupus Erythematosus., Ananta Subedi, Laurence S. Magder, Michelle Petri

Department of Medicine Faculty Papers

Leukopenia is a common manifestation of SLE. Addition of immunosuppressive therapy in a SLE patient who is already leukopenic is a clinical concern. It could worsen leukopenia, increase the risk of infection, or both. The aim of this study was to analyze the immediate effect of mycophenolate mofetil on the white blood cell count and the rate of infection in SLE patients. Two hundred and forty-four patients within the Hopkins Lupus Cohort who were newly started on mycophenolate mofetil were included in the study. The white blood cell count and interval infection history on the day mycophenolate mofetil was started …


Palbociclib In Hormone-Receptor-Positive Advanced Breast Cancer., Nicholas C Turner, Cynthia Huang Bartlett, Massimo Cristofanilli Oct 2015

Palbociclib In Hormone-Receptor-Positive Advanced Breast Cancer., Nicholas C Turner, Cynthia Huang Bartlett, Massimo Cristofanilli

Department of Medicine Faculty Papers

No abstract provided.


Workplace Safety Concerns Among Co-Workers Of Responder Returning From Ebola-Affected Country, Benjamin P. Chan, Elizabeth R. Daly, Elizabeth A. Talbot Oct 2015

Workplace Safety Concerns Among Co-Workers Of Responder Returning From Ebola-Affected Country, Benjamin P. Chan, Elizabeth R. Daly, Elizabeth A. Talbot

Dartmouth Scholarship

We surveyed public health co-workers regarding attitudes toward a physician who returned to New Hampshire after volunteering in the West African Ebola outbreak. An unexpectedly large (18.0%) proportion of staff expressed discomfort with the Ebola responder returning to work. Employers should take proactive steps to address employee fears and concerns.


Genestation 1.0: A Synthetic Resource Of Diverse Evolutionary And Functional Genomic Data For Studying The Evolution Of Pregnancy-Associated Tissues And Phenotypes, Mara Kim, Brian A. Cooper, Rohit Venkat, Julie B. Phillips, Haley R. Eidem, Jibril Hirbo, Sashank Nutakki, Scott M. Williams, Louis J. Muglia, J. Anthony Capra, Kenneth Petren, Patrick Abbot, Antonis Rokas, Kriston L. Mcgary Oct 2015

Genestation 1.0: A Synthetic Resource Of Diverse Evolutionary And Functional Genomic Data For Studying The Evolution Of Pregnancy-Associated Tissues And Phenotypes, Mara Kim, Brian A. Cooper, Rohit Venkat, Julie B. Phillips, Haley R. Eidem, Jibril Hirbo, Sashank Nutakki, Scott M. Williams, Louis J. Muglia, J. Anthony Capra, Kenneth Petren, Patrick Abbot, Antonis Rokas, Kriston L. Mcgary

Dartmouth Scholarship

Mammalian gestation and pregnancy are fast evolving processes that involve the interaction of the fetal, maternal and paternal genomes. Version 1.0 of the GEneSTATION database (http://genestation.org) integrates diverse types of omics data across mammals to advance understanding of the genetic basis of gestation and pregnancy-associated phenotypes and to accelerate the translation of discoveries from model organisms to humans. GEneSTATION is built using tools from the Generic Model Organism Database project, including the biology-aware database CHADO, new tools for rapid data integration, and algorithms that streamline synthesis and user access. GEneSTATION contains curated life history information on pregnancy and …


Sepsis In Hemodialysis Patients., Gilbert Abou Dagher, Elie Harmouche, Elsy Jabbour, Rana Bachir, Dina Zebian, Ralphe Bou Chebl Oct 2015

Sepsis In Hemodialysis Patients., Gilbert Abou Dagher, Elie Harmouche, Elsy Jabbour, Rana Bachir, Dina Zebian, Ralphe Bou Chebl

Emergency Medicine Articles

BACKGROUND: Bacterial infections are very common in End Stage Renal Disease (ESRD) patients. The diagnosis of sepsis in such patients is often challenging and requires a high index of suspicion. The aim of this study is to report on a series of patient with ESRD on hemodialysis (HD) diagnosed with sepsis.

METHODS: Single center retrospective study looking at ESRD on HD who presented to our tertiary hospital were retrieved. Inclusion criteria included a discharge diagnosis of sepsis, septic shock or bacteremia.

RESULTS: Our sample was composed of 41 females and 49 males, with a mean age of 70 ± 15 …


Racial Disparities In Intravenous Recombinant Tissue Plasminogen Activator Use Persist At Primary Stroke Centers., Hugo J. Aparicio, Brendan G. Carr, Scott E. Kasner, Michael J. Kallan, Karen C. Albright, Dawn O. Kleindorfer, Michael T. Mullen Oct 2015

Racial Disparities In Intravenous Recombinant Tissue Plasminogen Activator Use Persist At Primary Stroke Centers., Hugo J. Aparicio, Brendan G. Carr, Scott E. Kasner, Michael J. Kallan, Karen C. Albright, Dawn O. Kleindorfer, Michael T. Mullen

Department of Emergency Medicine Faculty Papers

BACKGROUND: Primary stroke centers (PSCs) utilize more recombinant tissue plasminogen activator (rt-PA) than non-PSCs. The impact of PSCs on racial disparities in rt-PA use is unknown.

METHODS AND RESULTS: We used data from the Nationwide Inpatient Sample from 2004 to 2010, limited to states that publicly reported hospital identity and race. Hospitals certified as PSCs by The Joint Commission were identified. Adults with a diagnosis of ischemic stroke were analyzed. Rt-PA use was defined by the International Classification of Diseases, 9th Revision procedure code 99.10. Discharges (304 152 patients) from 26 states met eligibility criteria, and of these 71.5% were …


Validation Of Maximal Heart Rate Prediction Equations Based On Sex And Physical Activity Status, Stephen J. Roy, J.L. Mccrory Oct 2015

Validation Of Maximal Heart Rate Prediction Equations Based On Sex And Physical Activity Status, Stephen J. Roy, J.L. Mccrory

International Journal of Exercise Science

International Journal of Exercise Science 8(4): 318-330, 2015. The purpose of the study was to determine if measured maximal heart rate (HRmax) was affected by sex or aerobic training status, and to determine the accuracy of three common clinical age-prediction maximal heart rate regression equations used to predict HRmax: HRmax = 220 – age, HRmax = 226 – age, and HRmax = 208 – (0.7 ∙ age). Fifty-two participants in total, 30 of which were in the active group (15 M, 15 F) and 22 subjects in the sedentary group (9 M, …


Dynapenic Obesity And The Effect On Long-Term Physical Function And Quality Of Life: Data From The Osteoarthritis Initiative, John A. Batsis, Alicia J. Zbehlik, Dawna Pidgeon, Stephen J. Bartels Oct 2015

Dynapenic Obesity And The Effect On Long-Term Physical Function And Quality Of Life: Data From The Osteoarthritis Initiative, John A. Batsis, Alicia J. Zbehlik, Dawna Pidgeon, Stephen J. Bartels

Dartmouth Scholarship

Obesity is associated with functional impairment, institutionalization, and increased mortality risk in elders. Dynapenia is defined as reduced muscle strength and is a known independent predictor of adverse events and disability. The synergy between dynapenia and obesity leads to worse outcomes than either independently. We identified the impact of dynapenic obesity in a cohort at risk for and with knee osteoarthritis on function.


Success And The Other[Ed] Woman: Examining The Persistence Of Female Students From Saudi Arabia, Dawn M. Winters Oct 2015

Success And The Other[Ed] Woman: Examining The Persistence Of Female Students From Saudi Arabia, Dawn M. Winters

Dissertations

With the influx of international students on American campuses, it is imperative that universities seek solutions to unique challenges surrounding their retention. More specifically, because women from Saudi Arabia are accustomed to highly-structured gendered practices in their home country that diametrically oppose those in the United States, they represent a sub-group within a sub-group of the often-generalized international students. Relatively few studies have been conducted regarding the academic persistence of specific groups of international students. The goal of this narrative analysis was to examine the salutogenic aspects of the persistence of Saudi women using Vincent Tinto’s (1997) revised model of …


Internship And Empathy: Variations Across Time And Specialties, Sameer K. Avasarala, Sarah Whitehouse, Sean Drake Oct 2015

Internship And Empathy: Variations Across Time And Specialties, Sameer K. Avasarala, Sarah Whitehouse, Sean Drake

Internal Medicine Articles

OBJECTIVES: To assess whether any differences exist in Interpersonal Reactivity Index (IRI) scores among postgraduate year 1 (PGY-1) residents across specialties.

METHODS: PGY-1 residents representing 11 specialties at our academic institution were invited to take a Web-based IRI survey at three time points. The specialties were condensed into several binary groups for analysis: internal medicine (IM) versus non-IM; primary care (IM, family medicine) versus nonprimary care; emergency medicine (EM, including the combined IM/EM) versus non-EM; surgical specialties (general surgery, obstetrics and gynecology, otolaryngology, orthopedics, urology) versus nonsurgical specialties (EM, family medicine, IM, neurology, pathology, and psychiatry); men versus women; and …


Simple New Risk Score Model For Adult Cardiac Extracorporeal Membrane Oxygenation: Simple Cardiac Ecmo Score., Graham Peigh, Nicholas Cavarocchi, Scott W. Keith, Hitoshi Hirose Oct 2015

Simple New Risk Score Model For Adult Cardiac Extracorporeal Membrane Oxygenation: Simple Cardiac Ecmo Score., Graham Peigh, Nicholas Cavarocchi, Scott W. Keith, Hitoshi Hirose

Department of Surgery Faculty Papers

BACKGROUND: Although the use of cardiac extracorporeal membrane oxygenation (ECMO) is increasing in adult patients, the field lacks understanding of associated risk factors. While standard intensive care unit risk scores such as SAPS II (simplified acute physiology score II), SOFA (sequential organ failure assessment), and APACHE II (acute physiology and chronic health evaluation II), or disease-specific scores such as MELD (model for end-stage liver disease) and RIFLE (kidney risk, injury, failure, loss of function, ESRD) exist, they may not apply to adult cardiac ECMO patients as their risk factors differ from variables used in these scores.

METHODS: Between 2010 and …


Protecting Ourselves From Harm: Voices Of Aging Farmers, Deborah B. Reed, Deborah T. Claunch Oct 2015

Protecting Ourselves From Harm: Voices Of Aging Farmers, Deborah B. Reed, Deborah T. Claunch

Nursing Faculty Publications

Senior farmers suffer the highest fatality risk of any age group in agriculture. The purpose of this exploratory study was to develop a "voice" for senior farmers by examining aging farmers' and their families' perspectives of farm work, associated injury risks, and methods to decrease those risks. Focus groups and personal interviews were used to collect data from 81 participants across seven U.S. states. The findings reflect the collective and verified voice of the study group. The Health Belief Model was applied and revealed differences between farmers and their family members; however, the need and desire to continue self-directed work …


The Evolution Of Epilepsy Surgery Between 1991 And 2011 In Nine Major Epilepsy Centers Across The United States, Germany, And Australia., Lara Jehi, Daniel Friedman, Chad Carlson, Gregory Cascino, Sandra Dewar, Christian Elger, Jerome Engel, Robert Knowlton, Ruben Kuzniecky, Anne Mcintosh, Terence J O'Brien, Dennis Spencer, Michael R. Sperling, Gregory Worrell, Bill Bingaman, Jorge Gonzalez-Martinez, Werner Doyle, Jacqueline French Oct 2015

The Evolution Of Epilepsy Surgery Between 1991 And 2011 In Nine Major Epilepsy Centers Across The United States, Germany, And Australia., Lara Jehi, Daniel Friedman, Chad Carlson, Gregory Cascino, Sandra Dewar, Christian Elger, Jerome Engel, Robert Knowlton, Ruben Kuzniecky, Anne Mcintosh, Terence J O'Brien, Dennis Spencer, Michael R. Sperling, Gregory Worrell, Bill Bingaman, Jorge Gonzalez-Martinez, Werner Doyle, Jacqueline French

Department of Neurology Faculty Papers

OBJECTIVE: Epilepsy surgery is the most effective treatment for select patients with drug-resistant epilepsy. In this article, we aim to provide an accurate understanding of the current epidemiologic characteristics of this intervention, as this knowledge is critical for guiding educational, academic, and resource priorities.

METHODS: We profile the practice of epilepsy surgery between 1991 and 2011 in nine major epilepsy surgery centers in the United States, Germany, and Australia. Clinical, imaging, surgical, and histopathologic data were derived from the surgical databases at various centers.

RESULTS: Although five of the centers performed their highest number of surgeries for mesial temporal sclerosis …


Caffeine And Progression Of Parkinson Disease: A Deleterious Interaction With Creatine., David K. Simon, Cai Wu, Barbara C. Tilley, Anne-Marie Wills, Michael J. Aminoff, Jacquelyn Bainbridge, Robert A. Hauser, Jay S. Schneider, Saloni Sharma, Carlos Singer, Caroline M. Tanner, Daniel Truong, Pei Shieen Wong Oct 2015

Caffeine And Progression Of Parkinson Disease: A Deleterious Interaction With Creatine., David K. Simon, Cai Wu, Barbara C. Tilley, Anne-Marie Wills, Michael J. Aminoff, Jacquelyn Bainbridge, Robert A. Hauser, Jay S. Schneider, Saloni Sharma, Carlos Singer, Caroline M. Tanner, Daniel Truong, Pei Shieen Wong

Department of Pathology, Anatomy, and Cell Biology Faculty Papers

OBJECTIVE: Increased caffeine intake is associated with a lower risk of Parkinson disease (PD) and is neuroprotective in mouse models of PD. However, in a previous study, an exploratory analysis suggested that, in patients taking creatine, caffeine intake was associated with a faster rate of progression. In the current study, we investigated the association of caffeine with the rate of progression of PD and the interaction of this association with creatine intake.

METHODS: Data were analyzed from a large phase 3 placebo-controlled clinical study of creatine as a potentially disease-modifying agent in PD. Subjects were recruited for this study from …


Blood Pressure Changes In Relation To Arsenic Exposure In A U.S. Pregnancy Cohort, Shohreh F. Farzan, Yu Chen, Fen Wu, Jieying Jiang, Mengling Liu, Emily Baker, Susan A. Korrick, Margaret R. Karagas Oct 2015

Blood Pressure Changes In Relation To Arsenic Exposure In A U.S. Pregnancy Cohort, Shohreh F. Farzan, Yu Chen, Fen Wu, Jieying Jiang, Mengling Liu, Emily Baker, Susan A. Korrick, Margaret R. Karagas

Dartmouth Scholarship

Background:

Inorganic arsenic exposure has been related to the risk of increased blood pressure based largely on cross-sectional studies conducted in highly exposed populations. Pregnancy is a period of particular vulnerability to environmental insults. However, little is known about the cardiovascular impacts of arsenic exposure during pregnancy.

Objectives:

We evaluated the association between prenatal arsenic exposure and maternal blood pressure over the course of pregnancy in a U.S. population.

Methods:

The New Hampshire Birth Cohort Study is an ongoing prospective cohort study in which > 10% of participant household wells exceed the arsenic maximum contaminant level of 10 μg/L established by …


Dual Use Of Va And Non-Va Hospitals By Veterans With Multiple Hospitalizations, Alan N. West, Mary E. Charlton, Mary Vaughan-Sarrazin Sep 2015

Dual Use Of Va And Non-Va Hospitals By Veterans With Multiple Hospitalizations, Alan N. West, Mary E. Charlton, Mary Vaughan-Sarrazin

Dartmouth Scholarship

Background: Veterans who are hospitalized in both VA and non-VA hospitals within a short timespan may be at risk for fragmented or conflicting care. To determine the characteristics of these “dual users,” we analyzed administrative hospital discharge data for VA-enrolled veterans of any age in seven states, including any VA or non-VA hospitalizations they had in 2004 – 2007. Method: For VA enrollees in Arizona, Iowa, Louisiana, Florida, South Carolina, Pennsylvania, or New York in 2007, we merged 2004 – 2007 discharge data for all VA hospitalizations and all non-VA hospitalizations listed in state health department or hospital association databases. …