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Articles 1 - 30 of 97
Full-Text Articles in Medicine and Health Sciences
Ethnic Differences In Maternal Adipokines During Normal Pregnancy, Xinhua Chen, Theresa O Scholl
Ethnic Differences In Maternal Adipokines During Normal Pregnancy, Xinhua Chen, Theresa O Scholl
Rowan-Virtua School of Osteopathic Medicine Faculty Scholarship
Two adipokines (adiponectin and resistin) have opposite relations with insulin resistance and inflammation. Our major focus was to determine whether there were detectable ethnic differences in maternal adipokines during pregnancy. We also explored the correlation of the adipokines with maternal glucose homeostasis, blood pressure and anthropometric parameters. Pregnant women (n = 1634) were from a large prospective cohort study in Camden NJ (African-American 36.8%; Hispanic 47.6%; Caucasian 15.6%). Serum adiponectin and resistin were measured at entry (week 16.8) and the 3rd trimester (week 30.7) using the Luminex xMapTechnology. Significant differences were observed among ethnic groups, controlling for confounding variables. African …
The Visual Priming Of Motion-Defined 3d Objects, Xiong Jiang, Yang Jiang, Raja Parasuraman
The Visual Priming Of Motion-Defined 3d Objects, Xiong Jiang, Yang Jiang, Raja Parasuraman
Behavioral Science Faculty Publications
The perception of a stimulus can be influenced by previous perceptual experience, a phenomenon known as perceptual priming. However, there has been limited investigation on perceptual priming of shape perception of three-dimensional object structures defined by moving dots. Here we examined the perceptual priming of a 3D object shape defined purely by motion-in-depth cues (i.e., Shape-From-Motion, SFM) using a classic prime-target paradigm. The results from the first two experiments revealed a significant increase in accuracy when a "cloudy" SFM stimulus (whose object structure was difficult to recognize due to the presence of strong noise) was preceded by an unambiguous SFM …
‘Much Clearer With Pictures’: Using Community-Based Participatory Research To Design And Test A Picture Option Grid For Underserved Patients With Breast Cancer, Marie-Anne Durand, Shama Alam, Stuart W. Grande, Glyn Elwyn
‘Much Clearer With Pictures’: Using Community-Based Participatory Research To Design And Test A Picture Option Grid For Underserved Patients With Breast Cancer, Marie-Anne Durand, Shama Alam, Stuart W. Grande, Glyn Elwyn
Dartmouth Scholarship
Women of low socioeconomic status (SES) diagnosed with early stage breast cancer experience decision-making, treatment and outcome disparities. Evidence suggests that decision aids can benefit underserved patients, when tailored to their needs. Our aim was to develop and test the usability, acceptability and accessibility of a pictorial encounter decision aid targeted at women of low SES diagnosed with early stage breast cancer.
Outcomes With As-Needed Ranibizumab After Initial Monthly Therapy: Long-Term Outcomes Of The Phase Iii Ride And Rise Trials., David S. Boyer, Quan Dong Nguyen, David M. Brown, Karen Basu, Jason S. Ehrlich
Outcomes With As-Needed Ranibizumab After Initial Monthly Therapy: Long-Term Outcomes Of The Phase Iii Ride And Rise Trials., David S. Boyer, Quan Dong Nguyen, David M. Brown, Karen Basu, Jason S. Ehrlich
Journal Articles: Ophthalmology
PURPOSE: To determine whether the efficacy and safety achieved with monthly ranibizumab as treatment for diabetic macular edema (DME) can be maintained with less-than-monthly treatment.
DESIGN: Open-label extension (OLE) phase of randomized, sham-controlled phase III trials: RIDE (NCT00473382) and RISE (NCT00473330).
PARTICIPANTS: Five hundred of 582 adults who completed the 36-month randomized core studies elected to enter the OLE.
METHODS: All patients participating in the OLE were eligible to receive 0.5 mg ranibizumab according to predefined re-treatment criteria: Treatment was administered when DME was identified by the investigator on optical coherence tomography or when best-corrected visual acuity (BCVA) worsened by …
Monomethylarsonous Acid (Mmaiii) Has An Adverse Effect On The Innate Immune Response Of Human Bronchial Epithelial Cells To Pseudomonas Aeruginosa, Emily G. Notch, Britton C. Goodale, Roxanna Barnaby, Bonita Coutermarsh, Brent Berwin, Vivien F. Taylor, Brian P. Jackson, Bruce A. Stanton
Monomethylarsonous Acid (Mmaiii) Has An Adverse Effect On The Innate Immune Response Of Human Bronchial Epithelial Cells To Pseudomonas Aeruginosa, Emily G. Notch, Britton C. Goodale, Roxanna Barnaby, Bonita Coutermarsh, Brent Berwin, Vivien F. Taylor, Brian P. Jackson, Bruce A. Stanton
Dartmouth Scholarship
Arsenic is the number one contaminant of concern with regard to human health according to the World Health Organization. Epidemiological studies on Asian and South American populations have linked arsenic exposure with an increased incidence of lung disease, including pneumonia, and chronic obstructive pulmonary disease, both of which are associated with bacterial infection. However, little is known about the effects of low dose arsenic exposure, or the contributions of organic arsenic to the innate immune response to bacterial infection. This study examined the effects on Pseudomonas aeruginosa (P. aeruginosa) induced cytokine secretion by human bronchial epithelial cells (HBEC) …
Serum Iron Level Is Associated With Time To Antibiotics In Cystic Fibrosis, Alex H. Gifford, Dana B. Dorman, Lisa A. Moulton, Jennifer E. Helm, Mary M. Griffin, Todd A. Mackenzie
Serum Iron Level Is Associated With Time To Antibiotics In Cystic Fibrosis, Alex H. Gifford, Dana B. Dorman, Lisa A. Moulton, Jennifer E. Helm, Mary M. Griffin, Todd A. Mackenzie
Dartmouth Scholarship
Background:
Serum levels of hepcidin‐25, a peptide hormone that reduces blood iron content, are elevated when patients with cystic fibrosis (CF) develop pulmonary exacerbation (PEx). Because hepcidin‐25 is unavailable as a clinical laboratory test, we questioned whether a one‐time serum iron level was associated with the subsequent number of days until PEx, as defined by the need to receive systemic antibiotics (ABX) for health deterioration.
Methods:
Clinical, biochemical, and microbiological parameters were simultaneously checked in 54 adults with CF. Charts were reviewed to determine when they first experienced a PEx after these parameters were assessed. Time to ABX was compared …
Functional Differences Between Statistical Learning With And Without Explicit Training., Laura J Batterink, Paul J Reber, Ken A Paller
Functional Differences Between Statistical Learning With And Without Explicit Training., Laura J Batterink, Paul J Reber, Ken A Paller
Brain and Mind Institute Researchers' Publications
Humans are capable of rapidly extracting regularities from environmental input, a process known as statistical learning. This type of learning typically occurs automatically, through passive exposure to environmental input. The presumed function of statistical learning is to optimize processing, allowing the brain to more accurately predict and prepare for incoming input. In this study, we ask whether the function of statistical learning may be enhanced through supplementary explicit training, in which underlying regularities are explicitly taught rather than simply abstracted through exposure. Learners were randomly assigned either to an explicit group or an implicit group. All learners were exposed to …
Sexting Among Married Couples: Who Is Doing It, And Are They More Satisfied?, Brandon T. Mcdaniel Phd, Michelle Drouin
Sexting Among Married Couples: Who Is Doing It, And Are They More Satisfied?, Brandon T. Mcdaniel Phd, Michelle Drouin
Health Services and Informatics Research
This study examined the prevalence and correlates of sexting (i.e., sending sexual messages via mobile phones) within a sample of married/cohabiting couples (180 wives and 175 husbands). Married adults do sext each other, but it is much less common than within young adult relationships, and consists mainly of sexy or intimate talk (29% reported engaging in sexy talk with partners) rather than sexually explicit photos or videos (12% reported sending nude or nearly-nude photos). Sending sexy talk messages was positively related to relationship satisfaction only among those with high levels of avoidance, and sending sexually explicit pictures was related to …
Saving Life And Brain With Extracorporeal Cardiopulmonary Resuscitation: A Single-Center Analysis Of In-Hospital Cardiac Arrests., Graham Peigh, Nicholas C. Cavarocchi, Hitoshi Hirose
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 …
Migrated Avalon Veno-Venous Extracorporeal Membrane Oxygenation Cannula: How To Adjust Without Interruption Of Flow., Daizo Tanaka, Harrsion T. Pitcher, Nicholas C. Cavarocchi, Hitoshi Hirose
Migrated Avalon Veno-Venous Extracorporeal Membrane Oxygenation Cannula: How To Adjust Without Interruption Of Flow., Daizo Tanaka, Harrsion T. Pitcher, Nicholas C. Cavarocchi, Hitoshi Hirose
Department of Surgery Faculty Papers
The Avalon dual lumen cannula is presently the cannula of choice for veno-venous extracorporeal membrane oxygenation (VV-ECMO) via right internal jugular cannulation. This cannula establishes VV-ECMO with a single cannulation; however, it requires appropriate positioning to gain adequate oxygenation. Malposition of this cannula can cause inadequate ECMO flow, hypoxia, and structural injury. We have experienced two cases of migration: one into the hepatic vein and the other into the right ventricle. The former was repositioned using echocardiographic guidance without using a guidewire. The latter was repositioned using a guidewire from the femoral vein under fluoroscopy, without antegrade wire placement into …
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
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. …
Enos Transfection Of Adipose-Derived Stem Cells Yields Bioactive Nitric Oxide Production And Improved Results In Vascular Tissue Engineering., Stephen Mcilhenny, Ping Zhang, Thomas Tulenko, Jason Comeau, Sarah Fernandez, Aleksandra Policha, Matthew Ferroni, Elizabeth J Faul, Gabor Bagameri, Irving Shapiro, Paul J. Dimuzio
Enos Transfection Of Adipose-Derived Stem Cells Yields Bioactive Nitric Oxide Production And Improved Results In Vascular Tissue Engineering., Stephen Mcilhenny, Ping Zhang, Thomas Tulenko, Jason Comeau, Sarah Fernandez, Aleksandra Policha, Matthew Ferroni, Elizabeth J Faul, Gabor Bagameri, Irving Shapiro, Paul J. Dimuzio
Department of Surgery Faculty Papers
This study evaluates the durability of a novel tissue engineered blood vessel (TEBV) created by seeding a natural vascular tissue scaffold (decellularized human saphenous vein allograft) with autologous adipose-derived stem cells (ASC) differentiated into endothelial-like cells. Previous work with this model revealed the graft to be thrombogenic, likely due to inadequate endothelial differentiation as evidenced by minimal production of nitric oxide (NO). To evaluate the importance of NO expression by the seeded cells, we created TEBV using autologous ASC transfected with the endothelial nitric oxide synthase (eNOS) gene to produce NO. We found that transfected ASC produced NO at levels …
Dna-Repair Defects And Olaparib In Metastatic Prostate Cancer., Joaquin Mateo, Suzanne Carreira, Shahneen Sandhu, Susana Miranda, Helen Mossop, Raquel Perez-Lopez, Daniel Nava Rodrigues, Dan Robinson, Aurelius Omlin, Nina Tunariu, Gunther Boysen, Nuria Porta, Penny Flohr, Alexa Gillman, Ines Figueiredo, Claire Paulding, George Seed, Suneil Jain, Christy Ralph, Andrew Protheroe, Syed Hussain, Robert Jones, Tony Elliott, Ursula Mcgovern, Diletta Bianchini, Jane Goodall, Zafeiris Zafeiriou, Chris T Williamson, Roberta Ferraldeschi, Ruth Riisnaes, Bernardette Ebbs, Gemma Fowler, Desamparados Roda, Wei Yuan, Yi-Mi Wu, Xuhong Cao, Rachel Brough, Helen Pemberton, Roger A'Hern, Amanda Swain, Lakshmi P Kunju, Rosalind Eeles, Gerhardt Attard, Christopher J Lord, Alan Ashworth, Mark A Rubin, Karen E Knudsen, Felix Y Feng, Arul M Chinnaiyan, Emma Hall, Johann S De Bono
Dna-Repair Defects And Olaparib In Metastatic Prostate Cancer., Joaquin Mateo, Suzanne Carreira, Shahneen Sandhu, Susana Miranda, Helen Mossop, Raquel Perez-Lopez, Daniel Nava Rodrigues, Dan Robinson, Aurelius Omlin, Nina Tunariu, Gunther Boysen, Nuria Porta, Penny Flohr, Alexa Gillman, Ines Figueiredo, Claire Paulding, George Seed, Suneil Jain, Christy Ralph, Andrew Protheroe, Syed Hussain, Robert Jones, Tony Elliott, Ursula Mcgovern, Diletta Bianchini, Jane Goodall, Zafeiris Zafeiriou, Chris T Williamson, Roberta Ferraldeschi, Ruth Riisnaes, Bernardette Ebbs, Gemma Fowler, Desamparados Roda, Wei Yuan, Yi-Mi Wu, Xuhong Cao, Rachel Brough, Helen Pemberton, Roger A'Hern, Amanda Swain, Lakshmi P Kunju, Rosalind Eeles, Gerhardt Attard, Christopher J Lord, Alan Ashworth, Mark A Rubin, Karen E Knudsen, Felix Y Feng, Arul M Chinnaiyan, Emma Hall, Johann S De Bono
Department of Medicine Faculty Papers
BACKGROUND: Prostate cancer is a heterogeneous disease, but current treatments are not based on molecular stratification. We hypothesized that metastatic, castration-resistant prostate cancers with DNA-repair defects would respond to poly(adenosine diphosphate [ADP]-ribose) polymerase (PARP) inhibition with olaparib.
METHODS: We conducted a phase 2 trial in which patients with metastatic, castration-resistant prostate cancer were treated with olaparib tablets at a dose of 400 mg twice a day. The primary end point was the response rate, defined either as an objective response according to Response Evaluation Criteria in Solid Tumors, version 1.1, or as a reduction of at least 50% in the …
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
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 …
Invariant Characteristics Of Carcinogenesis., Simon Sherman, Nirosha Rathnayake, Tengiz Mdzinarishvili
Invariant Characteristics Of Carcinogenesis., Simon Sherman, Nirosha Rathnayake, Tengiz Mdzinarishvili
Journal Articles: Eppley Institute
Carcinogenic modeling is aimed at mathematical descriptions of cancer development in aging. In this work, we assumed that a small fraction of individuals in the population is susceptible to cancer, while the rest of the population is resistant to cancer. For individuals susceptible to cancer we adopted methods of conditional survival analyses. We performed computational experiments using data on pancreatic, stomach, gallbladder, colon and rectum, liver, and esophagus cancers from the gastrointestinal system collected for men and women in the SEER registries during 1975-2009. In these experiments, we estimated the time period effects, the birth cohort effects, the age effects …
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
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 …
Preserved Haptic Shape Processing After Bilateral Loc Lesions., Jacqueline C Snow, Melvyn A Goodale, Jody C Culham
Preserved Haptic Shape Processing After Bilateral Loc Lesions., Jacqueline C Snow, Melvyn A Goodale, Jody C Culham
Brain and Mind Institute Researchers' Publications
UNLABELLED: The visual and haptic perceptual systems are understood to share a common neural representation of object shape. A region thought to be critical for recognizing visual and haptic shape information is the lateral occipital complex (LOC). We investigated whether LOC is essential for haptic shape recognition in humans by studying behavioral responses and brain activation for haptically explored objects in a patient (M.C.) with bilateral lesions of the occipitotemporal cortex, including LOC. Despite severe deficits in recognizing objects using vision, M.C. was able to accurately recognize objects via touch. M.C.'s psychophysical response profile to haptically explored shapes was also …
A Multicenter, Open-Label, Controlled Phase Ii Study To Evaluate Safety And Immunogenicity Of Mva Smallpox Vaccine (Imvamune) In 18-40 Year Old Subjects With Diagnosed Atopic Dermatitis, Richard N. Greenberg, Maria Yadira Hurley, Dinh V. Dinh, Serena Mraz, Javier Gomez Vera, Dorothea Von Bredow, Alfred Von Krempelhuber, Siegfried Roesch, Garth Virgin, Nathaly Arndtz-Wiedemann, Thomas Peter Meyer, Darja Schmidt, Richard Nichols, Philip Young, Paul Chaplin
A Multicenter, Open-Label, Controlled Phase Ii Study To Evaluate Safety And Immunogenicity Of Mva Smallpox Vaccine (Imvamune) In 18-40 Year Old Subjects With Diagnosed Atopic Dermatitis, Richard N. Greenberg, Maria Yadira Hurley, Dinh V. Dinh, Serena Mraz, Javier Gomez Vera, Dorothea Von Bredow, Alfred Von Krempelhuber, Siegfried Roesch, Garth Virgin, Nathaly Arndtz-Wiedemann, Thomas Peter Meyer, Darja Schmidt, Richard Nichols, Philip Young, Paul Chaplin
Internal Medicine Faculty Publications
BACKGROUND: Replicating smallpox vaccines can cause severe complications in individuals with atopic dermatitis (AD). Prior studies evaluating Modified Vaccinia Ankara virus (MVA), a non-replicating vaccine in humans, showed a favorable safety and immunogenicity profile in healthy volunteers.
OBJECTIVE: This Phase II study compared the safety and immunogenicity of MVA enrolling groups of 350 subjects with AD (SCORAD ≤ 30) and 282 healthy subjects.
METHODS: Subjects were vaccinated twice with MVA, each dose given subcutaneously 4 weeks apart. Adverse events, cardiac parameters, and the development of vaccinia virus humoral immune responses were monitored.
RESULTS: The overall safety …
Prognostic Role Of Bnp In Children Undergoing Surgery For Congenital Heart Disease: Analysis Of Prediction Models Incorporating Standard Risk Factors., Massimiliano Cantinotti, Raffaele Giordano, Marco Scalese, Sabrina Molinaro, Francesca Della Pina, Simona Storti, Luigi Arcieri, Bruno Murzi, Marco Marotta, Vitali Pak, Vincenzo Poli, Giorgio Iervasi, Shelby Kutty, Aldo Clerico
Prognostic Role Of Bnp In Children Undergoing Surgery For Congenital Heart Disease: Analysis Of Prediction Models Incorporating Standard Risk Factors., Massimiliano Cantinotti, Raffaele Giordano, Marco Scalese, Sabrina Molinaro, Francesca Della Pina, Simona Storti, Luigi Arcieri, Bruno Murzi, Marco Marotta, Vitali Pak, Vincenzo Poli, Giorgio Iervasi, Shelby Kutty, Aldo Clerico
Journal Articles: Pediatrics
BACKGROUND: The routine use of brain natriuretic peptide (BNP) in pediatric cardiac surgery remains controversial. Our aim was to test whether BNP adds information to predict risk in pediatric cardiac surgery.
METHODS: In all, 587 children undergoing cardiac surgery (median age 6.3 months; 1.2-35.9 months) were prospectively enrolled at a single institution. BNP was measured pre-operatively, on every post-operative day in the intensive care unit, and before discharge. The primary outcome was major complications and length ventilator stay >15 days. A first risk prediction model was fitted using Cox proportional hazards model with age, body surface area and Aristotle score …
A Phase 3 Trial Of 2 Years Of Androgen Suppression And Radiation Therapy With Or Without Adjuvant Chemotherapy For High-Risk Prostate Cancer: Final Results Of Radiation Therapy Oncology Group Phase 3 Randomized Trial Nrg Oncology Rtog 9902., Seth A. Rosenthal, Daniel Hunt, A. Oliver Sartor, Kenneth J. Pienta, Leonard G. Gomella, David Grignon, Raghu Rajan, Kevin J. Kerlin, Christopher U. Jones, Michael Dobelbower, William U Shipley, Kenneth Zeitzer, Daniel A. Hamstra, Viroon Donavanik, Marvin Rotman, Alan C. Hartford, Jeffrey Michalski, Michael Seider, Harold Kim, Deborah A. Kuban, Jennifer Moughan, Howard Sandler
A Phase 3 Trial Of 2 Years Of Androgen Suppression And Radiation Therapy With Or Without Adjuvant Chemotherapy For High-Risk Prostate Cancer: Final Results Of Radiation Therapy Oncology Group Phase 3 Randomized Trial Nrg Oncology Rtog 9902., Seth A. Rosenthal, Daniel Hunt, A. Oliver Sartor, Kenneth J. Pienta, Leonard G. Gomella, David Grignon, Raghu Rajan, Kevin J. Kerlin, Christopher U. Jones, Michael Dobelbower, William U Shipley, Kenneth Zeitzer, Daniel A. Hamstra, Viroon Donavanik, Marvin Rotman, Alan C. Hartford, Jeffrey Michalski, Michael Seider, Harold Kim, Deborah A. Kuban, Jennifer Moughan, Howard Sandler
Department of Urology Faculty Papers
PURPOSE: Long-term (LT) androgen suppression (AS) with radiation therapy (RT) is a standard treatment of high-risk, localized prostate cancer (PCa). Radiation Therapy Oncology Group 9902 was a randomized trial testing the hypothesis that adjuvant combination chemotherapy (CT) with paclitaxel, estramustine, and oral etoposide plus LT AS plus RT would improve overall survival (OS).
METHODS AND MATERIALS: Patients with high-risk PCa (prostate-specific antigen 20-100 ng/mL and Gleason score [GS] ≥ 7 or clinical stage ≥ T2 and GS ≥ 8) were randomized to RT and AS (AS + RT) alone or with adjuvant CT (AS + RT + CT). CT was …
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
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 …
Simple New Risk Score Model For Adult Cardiac Extracorporeal Membrane Oxygenation: Simple Cardiac Ecmo Score., Graham Peigh, Nicholas Cavarocchi, Scott W. Keith, Hitoshi Hirose
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 …
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
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 …
Thromboembolism After Intramedullary Nailing For Metastatic Bone Lesions., Brandon Shallop, Alexandria Starks, Simon Greenbaum, David S Geller, Alan Lee, John Ready, Geno J Merli, Mitchell Maltenfort, Phd, John A Abraham
Thromboembolism After Intramedullary Nailing For Metastatic Bone Lesions., Brandon Shallop, Alexandria Starks, Simon Greenbaum, David S Geller, Alan Lee, John Ready, Geno J Merli, Mitchell Maltenfort, Phd, John A Abraham
Rothman Institute Faculty Papers
BACKGROUND: The risk of venous thromboembolism (VTE) in patients undergoing intramedullary nailing for skeletal metastatic disease is currently undefined. The purpose of our study was to determine the risk of thromboembolic events, to define the risk factors for VTE, and to define the rate of wound complications in this population.
METHODS: A retrospective review of surgical databases at three National Cancer Institute (NCI)-designated cancer centers identified 287 patients with a total of 336 impending or pathologic long-bone fractures that were stabilized with intramedullary nailing between February 2001 and April 2013. Statistical analysis was performed utilizing multivariable logistic regression and Fisher …
Gm1 Ganglioside In Parkinson's Disease: Pilot Study Of Effects On Dopamine Transporter Binding., Jay S. Schneider, Franca Cambi, Stephen M. Gollomp, Hiroto Kuwabara, James R. Brašić, Benjamin E. Leiby, Stephanie Sendek, Dean F. Wong
Gm1 Ganglioside In Parkinson's Disease: Pilot Study Of Effects On Dopamine Transporter Binding., Jay S. Schneider, Franca Cambi, Stephen M. Gollomp, Hiroto Kuwabara, James R. Brašić, Benjamin E. Leiby, Stephanie Sendek, Dean F. Wong
Department of Pharmacology and Experimental Therapeutics Faculty Papers
OBJECTIVE: GM1 ganglioside has been suggested as a treatment for Parkinson's disease (PD), potentially having symptomatic and disease modifying effects. The current pilot imaging study was performed to examine effects of GM1 on dopamine transporter binding, as a surrogate measure of disease progression, studied longitudinally.
METHODS: Positron emission tomography (PET) imaging data were obtained from a subset of subjects enrolled in a delayed start clinical trial of GM1 in PD [1]: 15 Early-start (ES) subjects, 14 Delayed-start (DS) subjects, and 11 Comparison (standard-of-care) subjects. Treatment subjects were studied over a 2.5 year period while Comparison subjects were studied over 2 …
Surgical Clipping Versus Endovascular Intervention For The Treatment Of Subarachnoid Hemorrhage Patients In New York State, Kimon Bekelis, Symeon Missios, Shannon Coy, Redi Rahmani, Robert J. Singer, Todd A. Mackenzie
Surgical Clipping Versus Endovascular Intervention For The Treatment Of Subarachnoid Hemorrhage Patients In New York State, Kimon Bekelis, Symeon Missios, Shannon Coy, Redi Rahmani, Robert J. Singer, Todd A. Mackenzie
Dartmouth Scholarship
Object:
Randomized trials have demonstrated a survival benefit for endovascular treatment of ruptured cerebral aneurysms. We investigated the association of surgical clipping and endovascular coiling with outcomes in subarachnoid hemorrhage (SAH) patients in a real-world regional cohort. Methods: We performed a cohort study involving patients with ruptured cerebral aneurysms, who underwent surgical clipping, or endovascular coiling from 2009–2013 and were registered in the Statewide Planning and Research Cooperative System (SPARCS) database. An instrumental variable analysis was used to investigate the association of treatment technique with outcomes. Results: Of the 4,098 patients undergoing treatment, 2,585 (63.1%) underwent coiling, and 1,513 (36.9%) …
Age-Appropriate Post-Reduction Care Of Anterior Shoulder Dislocation, Hans B. Ayres, Blaine Winters, Craig Nuttall
Age-Appropriate Post-Reduction Care Of Anterior Shoulder Dislocation, Hans B. Ayres, Blaine Winters, Craig Nuttall
Student Works
Background and Purpose: The shoulder is the most commonly dislocated joint in the body. This paper provides age-appropriate recommendations for post-reduction management of anterior shoulder dislocations. Methods: Literature was reviewed, limited to English language in the last five years. Appropriate articles were rated using the Levels of Evidence tool found in the Journal of Orthopaedic Trauma. Conclusion: We recommend aggressive treatment in younger patients, and increased screening for concomitant injuries in older patients. Implications for Practice: Age should be an important consideration when formulating a plan of care for the patient with shoulder dislocation.
Speckle-Tracking Echocardiographic Measures Of Right Ventricular Function Correlate With Improvement In Exercise Function After Percutaneous Pulmonary Valve Implantation., Shahryar M. Chowdhury, Ziyad M. Hijazi, John T. Fahey, John F. Rhodes, Saibal Kar, Raj Makkar, Michael Mullen, Qi-Ling Cao, Girish S. Shirali
Speckle-Tracking Echocardiographic Measures Of Right Ventricular Function Correlate With Improvement In Exercise Function After Percutaneous Pulmonary Valve Implantation., Shahryar M. Chowdhury, Ziyad M. Hijazi, John T. Fahey, John F. Rhodes, Saibal Kar, Raj Makkar, Michael Mullen, Qi-Ling Cao, Girish S. Shirali
Manuscripts, Articles, Book Chapters and Other Papers
BACKGROUND: Speckle-tracking echocardiographic (STE) measures of right ventricular (RV) function appear to improve after transcatheter pulmonary valve implantation (TPVI). Measures of exercise function, such as ventilatory efficiency (the minute ventilation [VE]/carbon dioxide production [VCO2] slope), have been shown to be prognostic of mortality in patients who may require TPVI. The aim of this study was to evaluate the correlation between STE measures of RV function and changes in VE/VCO2 after TPVI.
METHODS: Speckle-tracking echocardiography and cardiopulmonary exercise testing were performed at baseline and 6 months after TPVI in 24 patients from four centers. Conventional echocardiographic measures of RV function were …
Type Of Preoperative Aura May Predict Postsurgical Outcome In Patients With Temporal Lobe Epilepsy And Mesial Temporal Sclerosis., Ali Akbar Asadi-Pooya, Maromi Nei, Ashwini Sharan, Michael R. Sperling
Type Of Preoperative Aura May Predict Postsurgical Outcome In Patients With Temporal Lobe Epilepsy And Mesial Temporal Sclerosis., Ali Akbar Asadi-Pooya, Maromi Nei, Ashwini Sharan, Michael R. Sperling
Department of Neurology Faculty Papers
PURPOSE: As the initial symptoms of epileptic seizures, many types of auras have significant localizing or lateralizing value. In this study, we hypothesized that the type of aura may predict postsurgical outcome in patients with medically refractory temporal lobe epilepsy (TLE) and mesial temporal sclerosis (MTS).
METHODS: In this retrospective study, all patients with a clinical diagnosis of medically refractory TLE due to unilateral mesial temporal sclerosis who underwent epilepsy surgery at the Jefferson Comprehensive Epilepsy Center were recruited. Patients were prospectively registered in a database from 1986 through 2014. Postsurgical outcome was classified into two groups: seizure freedom or …
Genetics Of Plasminogen Activator Inhibitor-1 (Pai-1) In A Ghanaian Population, Marquitta J. White, Nuri M. Kodaman, Reed H. Harder, Folkert W. Asselbergs, Douglas E. Vaughan, Nancy J. Brown, Jason H. Moore, Scott M. Williams
Genetics Of Plasminogen Activator Inhibitor-1 (Pai-1) In A Ghanaian Population, Marquitta J. White, Nuri M. Kodaman, Reed H. Harder, Folkert W. Asselbergs, Douglas E. Vaughan, Nancy J. Brown, Jason H. Moore, Scott M. Williams
Dartmouth Scholarship
Plasminogen activator inhibitor 1 (PAI-1), a major modulator of the fibrinolytic system, is an important factor in cardiovascular disease (CVD) susceptibility and severity. PAI-1 is highly heritable, but the few genes associated with it explain only a small portion of its variation. Studies of PAI-1 typically employ linear regression to estimate the effects of genetic variants on PAI-1 levels, but PAI-1 is not normally distributed, even after transformation. Therefore, alternative statistical methods may provide greater power to identify important genetic variants. Additionally, most genetic studies of PAI-1 have been performed on populations of European descent, limiting the generalizability of their …