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Articles 10561 - 10590 of 11833
Full-Text Articles in Entire DC Network
Findings From The Peutz-Jeghers Syndrome Registry Of Uruguay, Asadur Tchekmedyian, Christopher I. Amos, Sherri J. Bale, Dakai Zhu, Stefan Arold, Joaquin Berrueta, Natalie Nabon, Thomas Mcgarrity
Findings From The Peutz-Jeghers Syndrome Registry Of Uruguay, Asadur Tchekmedyian, Christopher I. Amos, Sherri J. Bale, Dakai Zhu, Stefan Arold, Joaquin Berrueta, Natalie Nabon, Thomas Mcgarrity
Dartmouth Scholarship
Background: Peutz-Jeghers syndrome (PJS) is characterized by intestinal polyposis, mucocutaneous pigmentation and an increased cancer risk, usually caused by mutations of the STK11 gene. This study collected epidemiological, clinical and genetic data from all Uruguayan PJS patients. Methods: Clinical data were obtained from public and private medical centers and updated annually. Sequencing of the STK11 gene in one member of each family was performed. Results and discussion: 25 cases in 11 unrelated families were registered (15 males, 10 females). The average age of diagnosis and death was 18 and 41 years respectively. All patients had characteristic PJS pigmentation and gastrointestinal …
Short Duration Waveforms Recorded Extracellularly From Freely Moving Rats Are Representative Of Axonal Activity, Ashlee A. Robbins, Steven E. Fox, Gregory L. Holmes, Rod C. Scott, Jeremy M. Barry
Short Duration Waveforms Recorded Extracellularly From Freely Moving Rats Are Representative Of Axonal Activity, Ashlee A. Robbins, Steven E. Fox, Gregory L. Holmes, Rod C. Scott, Jeremy M. Barry
Dartmouth Scholarship
While extracellular somatic action potentials from freely moving rats have been well characterized, axonal activity has not. We report direct extracellular tetrode recordings of putative axons whose principal feature is a short duration waveform (SDW) with an average peak-trough length less than 179 μs. While SDW recordings using tetrodes have previously been treated as questionable or classified as cells, we hypothesize that they are representative of axonal activity. These waveforms have significantly shorter duration than somatic action potentials, are triphasic and are therefore similar to classic descriptions of microelectrode recordings in white matter and of in vitro action potential propagation …
Early Diagnosis And Treatment Of Invasive Pulmonary Aspergillosis In A Patient With Cystic Fibrosis, Ricardo Alberto Mosquera, Lila Estrada, Roya Mohebpour Clements, Cindy K Jon
Early Diagnosis And Treatment Of Invasive Pulmonary Aspergillosis In A Patient With Cystic Fibrosis, Ricardo Alberto Mosquera, Lila Estrada, Roya Mohebpour Clements, Cindy K Jon
Faculty, Staff and Student Publications
Invasive pulmonary aspergillosis is a rare and fatal complication in patients with cystic fibrosis (CF) who lack concomitant risk factors. The few documented cases in children have all resulted in deaths during hospitalisation. We present the case of a 12-year-old boy with CF who was admitted for an exacerbation which was unresponsive to antibiotic therapy. The findings on imaging raised concerns about a possible fungal infection. As a result, voriconazole therapy was started prior to his respiratory deterioration. He was later found to be β-D glucan and Aspergillus Ag galactomannan positive confirming the suspicion for invasive pulmonary aspergillosis. Three months …
Diet And Toenail Arsenic Concentrations In A New Hampshire Population With Arsenic-Containing Water, Kathryn L. Cottingham, Roxanne Karimi, Joann F. Gruber, M Scot Zens, Vicki Sayarath, Carol L. Folt, Tracy Punshon, J. Steven Morris, Margaret R. Karagas
Diet And Toenail Arsenic Concentrations In A New Hampshire Population With Arsenic-Containing Water, Kathryn L. Cottingham, Roxanne Karimi, Joann F. Gruber, M Scot Zens, Vicki Sayarath, Carol L. Folt, Tracy Punshon, J. Steven Morris, Margaret R. Karagas
Dartmouth Scholarship
Background: Limited data exist on the contribution of dietary sources of arsenic to an individual's total exposure, particularly in populations with exposure via drinking water. Here, the association between diet and toenail arsenic concentrations (a long-term biomarker of exposure) was evaluated for individuals with measured household tap water arsenic. Foods known to be high in arsenic, including rice and seafood, were of particular interest.
Methods: Associations between toenail arsenic and consumption of 120 individual diet items were quantified using general linear models that also accounted for household tap water arsenic and potentially confounding factors (e.g., age, caloric intake, sex, smoking) …
Socially Excluded Individuals Fail To Recruit Medial Prefrontal Cortex For Negative Social Scenes, Katherine E. Powers, Dylan D. Wagner, Catherine J. Norris, Todd F. Heatherton
Socially Excluded Individuals Fail To Recruit Medial Prefrontal Cortex For Negative Social Scenes, Katherine E. Powers, Dylan D. Wagner, Catherine J. Norris, Todd F. Heatherton
Dartmouth Scholarship
Converging behavioral evidence suggests that people respond to experiences of social exclusion with both defensive and affiliative strategies, allowing them to avoid further distress while also encouraging re-establishment of positive social connections. However, there are unresolved questions regarding the cognitive mechanisms underlying people's responses to social exclusion. Here, we sought to gain insight into these behavioral tendencies by using functional magnetic resonance imaging (fMRI) to examine the impact of social exclusion on neural responses to visual scenes that varied on dimensions of sociality and emotional valence. Compared to socially included participants, socially excluded participants failed to recruit dorsomedial prefrontal cortex …
Interictal Neurocognitive Processing Of Visual Stimuli In Migraine: Evidence From Event-Related Potentials, Marla J. S Mickleborough, Christine M. Chapman, Andreea Simina Toma, Jeremy H. M Chan, Grace Truong, Todd C. Handy
Interictal Neurocognitive Processing Of Visual Stimuli In Migraine: Evidence From Event-Related Potentials, Marla J. S Mickleborough, Christine M. Chapman, Andreea Simina Toma, Jeremy H. M Chan, Grace Truong, Todd C. Handy
Dartmouth Scholarship
Research has established decreased sensory habituation as a defining feature in migraine, while decreased cognitive habituation has only been found with regard to cognitive assessment of the relative probability of the occurrence of a stimulus event. Our study extended the investigation of interictal habituation in migraine to include cognitive processing when viewing of a series of visually-complex images, similar to those we encounter on the internet everyday. We examined interictal neurocognitive function in migraine from a habituation perspective, using a novel paradigm designed to assess how the response to a series of images changes over time. Two groups of participants--migraineurs …
Creating A Gold Medal Olympic And Paralympics Health Care Team: A Satisfaction Survey Of The Mobile Medical Unit/Polyclinic Team Training For The Vancouver 2010 Winter Games, D Ross Brown, Behrouz Heidary, Nathaniel Bell, Leanne Appleton, Richard K. Simons, David C. Evans, S Morad Hameed, Jack Taunton, Kosar Khwaja, Michael O'Connor, Naisan Garraway, Peter Hennecke, Donna Kuipers, Tracey Taulu, Lori Quinn
Creating A Gold Medal Olympic And Paralympics Health Care Team: A Satisfaction Survey Of The Mobile Medical Unit/Polyclinic Team Training For The Vancouver 2010 Winter Games, D Ross Brown, Behrouz Heidary, Nathaniel Bell, Leanne Appleton, Richard K. Simons, David C. Evans, S Morad Hameed, Jack Taunton, Kosar Khwaja, Michael O'Connor, Naisan Garraway, Peter Hennecke, Donna Kuipers, Tracey Taulu, Lori Quinn
Faculty Publications
BACKGROUND:
The mobile medical unit/polyclinic (MMU/PC) was an essential part of the medical services to support ill or injured Olympic or Paralympics family during the 2010 Olympic and Paralympics winter games. The objective of this study was to survey the satisfaction of the clinical staff that completed the training programs prior to deployment to the MMU.
METHODS:
Medical personnel who participated in at least one of the four training programs, including (1) week-end sessions; (2) web-based modules; (3) just-in-time training; and (4) daily simulation exercises were invited to participate in a web-based survey and comment on their level of satisfaction …
Two Phase 3, Multicenter, Randomized, Placebo-Controlled Clinical Trials Of Fampridine-Sr For Treatment Of Spasticity In Chronic Spinal Cord Injury., D. D. Cardenas, J. F. Ditunno, V. Graziani, A. B. Mclain, D. P. Lammertse, P. J. Potter, M. S. Alexander, R. Cohen, A. R. Blight
Two Phase 3, Multicenter, Randomized, Placebo-Controlled Clinical Trials Of Fampridine-Sr For Treatment Of Spasticity In Chronic Spinal Cord Injury., D. D. Cardenas, J. F. Ditunno, V. Graziani, A. B. Mclain, D. P. Lammertse, P. J. Potter, M. S. Alexander, R. Cohen, A. R. Blight
Department of Rehabilitation Medicine Faculty Papers
STUDY DESIGN: Two randomized, double-blind, placebo-controlled trials.
OBJECTIVE: To evaluate the efficacy and safety of fampridine sustained-release tablets (fampridine-SR) 25 mg twice daily for moderate-to-severe spasticity in patients with chronic spinal cord injury (SCI).
SETTING: United States and Canada.
METHODS: Patients with incomplete chronic SCI were randomized to twice daily fampridine-SR 25 mg or placebo, with a 2-week single-blind placebo run-in, a 2-week titration, 12 weeks of stable dosing, 2 weeks of downward titration and 2 weeks of untreated follow-up. Co-primary end points were the change from baseline, averaged over the double-blind treatment period, for Ashworth score (bilateral knee flexors …
One, Two And Three-Dimensional Ultrasound Measurements Of Carotid Atherosclerosis Before And After Cardiac Rehabilitation: Preliminary Results Of A Randomized Controlled Trial., Tamas J Lindenmaier, Daniel N Buchanan, Damien Pike, Tim Hartley, Robert D Reid, J David Spence, Richard Chan, Michael Sharma, Peter L Prior, Neville Suskin, Grace Parraga
One, Two And Three-Dimensional Ultrasound Measurements Of Carotid Atherosclerosis Before And After Cardiac Rehabilitation: Preliminary Results Of A Randomized Controlled Trial., Tamas J Lindenmaier, Daniel N Buchanan, Damien Pike, Tim Hartley, Robert D Reid, J David Spence, Richard Chan, Michael Sharma, Peter L Prior, Neville Suskin, Grace Parraga
Medical Biophysics Publications
BACKGROUND: It is still not known how patients who are post-transient ischemic attack (TIA) or post-stroke might benefit from prospectively planned comprehensive cardiac rehabilitation (CCR). In this pilot evaluation of a larger ongoing randomized-controlled-trial, we evaluated ultrasound (US) measurements of carotid atherosclerosis in subjects following TIA or mild non-disabling stroke and their relationship with risk factors before and after 6-months of CCR.
METHODS: Carotid ultrasound (US) measurements of one-dimensional intima-media-thickness (IMT), two-dimensional total-plaque-area (TPA), three-dimensional total-plaque-volume (TPV) and vessel-wall-volume (VWV) were acquired before and after 6-months CCR for 39 subjects who had previously experienced a TIA and provided written informed …
Household Wealth And Neurocognitive Development Disparities Among School-Aged Children In Nepal., Shivani A Patel, Laura E Murray-Kolb, Steven C Leclerq, Subarna K Khatry, James M. Tielsch, Joanne Katz, Parul Christian
Household Wealth And Neurocognitive Development Disparities Among School-Aged Children In Nepal., Shivani A Patel, Laura E Murray-Kolb, Steven C Leclerq, Subarna K Khatry, James M. Tielsch, Joanne Katz, Parul Christian
Global Health Faculty Publications
BACKGROUND: Wealth disparities in child developmental outcomes are well documented in developed countries. We sought to (1) describe the extent of wealth-based neurocognitive development disparities and (2) examine potential mediating factors of disparities among a population-based cohort of children in rural Nepal.
METHODS: We investigated household wealth-based differences in intellectual, executive and motor function of n = 1692 children aged between 7 and 9 years in Nepal. Using linear mixed models, wealth-based differences were estimated before and after controlling for child and household demographic characteristics. We further examined wealth-based differences adjusted for three sets of mediators: child nutritional status, home …
Abdominal Intercostal Hernia: A Rare Complication After Blunt Trauma., Phi D Nguyen, B.A., Michael J. Pucci, Md, Jay S. Jenoff, Md, Scott W. Cowan, Md
Abdominal Intercostal Hernia: A Rare Complication After Blunt Trauma., Phi D Nguyen, B.A., Michael J. Pucci, Md, Jay S. Jenoff, Md, Scott W. Cowan, Md
Department of Surgery Gibbon Society Historical Profiles
Abdominal intercostal hernia (AIH) is uncommonly reported in the literature with only 20 cases reported to date.1–3 We report a case of a delayed incarcerated AIH secondary to blunt trauma from a motor vehicle accident in which the colon and diaphragm herniated through an associated chest defect that was repaired successfully through a transabdominal approach using primary repair of the defect in combination with onlay porcine patch reinforcement.
Predictors Of Disease Progression In Pediatric Dilated Cardiomyopathy., Kimberly M. Molina, Peter Shrader, Steven D. Colan, Seema Mital, Renee Margossian, Lynn A. Sleeper, Girish S. Shirali, Piers Barker, Charles E. Canter, Karen Altmann, Elizabeth Radojewski, Elif Seda Selamet Tierney, Jack Rychik, Lloyd Y. Tani, Pediatric Heart Network Investigators
Predictors Of Disease Progression In Pediatric Dilated Cardiomyopathy., Kimberly M. Molina, Peter Shrader, Steven D. Colan, Seema Mital, Renee Margossian, Lynn A. Sleeper, Girish S. Shirali, Piers Barker, Charles E. Canter, Karen Altmann, Elizabeth Radojewski, Elif Seda Selamet Tierney, Jack Rychik, Lloyd Y. Tani, Pediatric Heart Network Investigators
Manuscripts, Articles, Book Chapters and Other Papers
Background: Despite medical advances, children with dilated cardiomyopathy (DCM) remain at high risk of death or need for cardiac transplantation. We sought to identify predictors of disease progression in pediatric DCM.
Methods and results: The Pediatric Heart Network evaluated chronic DCM patients with prospective echocardiographic and clinical data collection during an 18-month follow-up. Inclusion criteria were age <22 years and DCM disease duration >2 months. Patients requiring intravenous inotropic/mechanical support or listed status 1A/1B for transplant were excluded. Disease progression was defined as an increase in transplant listing status, hospitalization for heart failure, intravenous inotropes, mechanical support, or death. Predictors of disease progression were identified using …22>
Multicenter Study Comparing Shunt Type In The Norwood Procedure For Single-Ventricle Lesions: Three-Dimensional Echocardiographic Analysis., Gerald R. Marx, Girish S. Shirali, Jami C. Levine, Lin T. Guey, James F. Cnota, Jeanne M. Baffa, William L. Border, Steve Colan, Gregory Ensing, Mark K. Friedberg, David J. Goldberg, Salim F. Idriss, J Blaine John, Wyman W. Lai, Minmin Lu, Shaji C. Menon, Richard G. Ohye, David Saudek, Pierre C. Wong, Gail D. Pearson, Pediatric Heart Network Investigators
Multicenter Study Comparing Shunt Type In The Norwood Procedure For Single-Ventricle Lesions: Three-Dimensional Echocardiographic Analysis., Gerald R. Marx, Girish S. Shirali, Jami C. Levine, Lin T. Guey, James F. Cnota, Jeanne M. Baffa, William L. Border, Steve Colan, Gregory Ensing, Mark K. Friedberg, David J. Goldberg, Salim F. Idriss, J Blaine John, Wyman W. Lai, Minmin Lu, Shaji C. Menon, Richard G. Ohye, David Saudek, Pierre C. Wong, Gail D. Pearson, Pediatric Heart Network Investigators
Manuscripts, Articles, Book Chapters and Other Papers
BACKGROUND: The Pediatric Heart Network's Single Ventricle Reconstruction (SVR) trial randomized infants with single right ventricles (RVs) undergoing a Norwood procedure to a modified Blalock-Taussig or RV-to-pulmonary artery shunt. This report compares RV parameters in the 2 groups using 3-dimensional echocardiography.
METHODS AND RESULTS: Three-dimensional echocardiography studies were obtained at 10 of 15 SVR centers. Of the 549 subjects, 314 underwent 3-dimensional echocardiography studies at 1 to 4 time points (pre-Norwood, post-Norwood, pre-stage II, and 14 months) for a total of 757 3-dimensional echocardiography studies. Of these, 565 (75%) were acceptable for analysis. RV volume, mass, mass:volume ratio, ejection fraction, …
Neuropathy, Neuropathic Pain, And Sickle Cell Disease., Samir K. Ballas, Deepika S Darbari
Neuropathy, Neuropathic Pain, And Sickle Cell Disease., Samir K. Ballas, Deepika S Darbari
Cardeza Foundation for Hematologic Research
No abstract provided.
Cholera Vaccination Campaign Contributes To Improved Knowledge Regarding Cholera And Improved Practice Relevant To Waterborne Disease In Rural Haiti, Omowunmi Aibana, Molly F Franke, Jessica E Teng, Johanne Hilaire, Max Raymond, Louise C Ivers
Cholera Vaccination Campaign Contributes To Improved Knowledge Regarding Cholera And Improved Practice Relevant To Waterborne Disease In Rural Haiti, Omowunmi Aibana, Molly F Franke, Jessica E Teng, Johanne Hilaire, Max Raymond, Louise C Ivers
Faculty, Staff and Student Publications
BACKGROUND: Haiti's cholera epidemic has been devastating partly due to underlying weak infrastructure and limited clean water and sanitation. A comprehensive approach to cholera control is crucial, yet some have argued that oral cholera vaccination (OCV) might result in reduced hygiene practice among recipients. We evaluated the impact of an OCV campaign on knowledge and health practice in rural Haiti.
METHODOLOGY/PRINCIPAL FINDINGS: We administered baseline surveys on knowledge and practice relevant to cholera and waterborne disease to every 10th household during a census in rural Haiti in February 2012 (N = 811). An OCV campaign occurred from May-June 2012 after …
Sternal Wound Infection Caused By Mycobacterium Chelonae., Shinya Unai, Joseph Miessau, Pawel Karbowski, Gurjyot Bajwa, Hitoshi Hirose
Sternal Wound Infection Caused By Mycobacterium Chelonae., Shinya Unai, Joseph Miessau, Pawel Karbowski, Gurjyot Bajwa, Hitoshi Hirose
Department of Surgery Faculty Papers
INTRODUCTION: Sternal wound infection caused by Mycobacterium chelonae, a member of the rapidly growing nontuberculous mycobacteria (NTM), is rare and may present without signs and symptoms of systemic infection.
METHODS: We present a patient who had a M. chelonae infection of the sternum following excision of a left atrial myxoma and conducted a review of the literature from 1976 to 2013.
RESULTS: Seventy cases of NTM sternal wound infection after cardiac surgery were identified, including six outbreaks and ten sporadic cases including the present case. Thirty-four cases were isolated coronary artery bypass grafting (CABG) surgery, 16 cases were isolated valve …
Phenotypic Parameters Predict Time To Normalization In Infants With Hypogammaglobulinemia., Robert C. Van Winkle, Walter W. Hauck, Stephen J. Mcgeady
Phenotypic Parameters Predict Time To Normalization In Infants With Hypogammaglobulinemia., Robert C. Van Winkle, Walter W. Hauck, Stephen J. Mcgeady
Department of Pediatrics Faculty Papers
PURPOSE: Infants with recurrent infection may be found to have hypogammaglobulinemia without impaired specific antibody responses. Many will be diagnosed with transient hypogammaglobulinemia of infancy.
METHODS: This study used a parametric survival analysis of 100 infants with hypogammaglobulinemia to predict time to normalization.
RESULTS: Aggregate initial immunoglobulins (IgG + IgA + IgM), as a percentage of age-adjusted normal, predicted time to resolution: median time to resolution for the infants in the lowest quartile of aggregate levels (≤81 % of age-adjusted lower limits) was greater than 5 years, with 34 % resolving in 3 years. For infants in the highest quartile …
New Oral Anticoagulants Are Not Superior To Warfarin In Secondary Prevention Of Stroke Or Transient Ischemic Attacks, But Lower The Risk Of Intracranial Bleeding: Insights From A Meta-Analysis And Indirect Treatment Comparisons, Partha Sardar, Saurav Chatterjee, Wen-Chih Wu, Edgar Lichstein, Joydeep Ghosh, Shamik Aikat, Debabrata Mukherjee
New Oral Anticoagulants Are Not Superior To Warfarin In Secondary Prevention Of Stroke Or Transient Ischemic Attacks, But Lower The Risk Of Intracranial Bleeding: Insights From A Meta-Analysis And Indirect Treatment Comparisons, Partha Sardar, Saurav Chatterjee, Wen-Chih Wu, Edgar Lichstein, Joydeep Ghosh, Shamik Aikat, Debabrata Mukherjee
Internal Medicine Faculty Publications
PURPOSE: Patients with Atrial Fibrillation (AF) and prior stroke are classified as high risk in all risk stratification schemes. A systematic review and meta-analysis was performed to compare the efficacy and safety of New Oral Anticoagulants (NOACs) to warfarin in patients with AF and previous stroke or transient ischemic attack (TIA).
METHODS: Three randomized controlled trials (RCTs), including total 14527 patients, comparing NOACs (apixaban, dabigatran and rivaroxaban) with warfarin were included in the analysis. Primary efficacy endpoint was ischemic stroke, and primary safety endpoint was intracranial bleeding. Random-effects models were used to pool efficacy and safety data across RCTs. RevMan …
Accommodations For Patients With Disabilities In Primary Care: A Mixed Methods Study Of Practice Administrators, Jennifer Renee Pharr
Accommodations For Patients With Disabilities In Primary Care: A Mixed Methods Study Of Practice Administrators, Jennifer Renee Pharr
Environmental & Global Health Faculty Research
Structural barriers that limit access to health care services for people with disabilities have been identified through qualitative studies; however, little is known about how patients with disabilities are accommodated in the clinical setting when a structural barrier is encountered. The purpose of this study was to identify how primary care medical practices in the United States accommodated people with disabilities when a barrier to service is encountered. Primary care practice administrators from the medical management organization were identified through the organization’s website. Sixty-three administrators from across the US participated in this study. Practice administrators reported that patients were examined …
Predictors Of Perioperative Blood Loss In Total Joint Arthroplasty., Jai Hyung Park, Mohammad R Rasouli, S M Javad Mortazavi, Anthony T Tokarski, Mitchell G Maltenfort, Javad Parvizi
Predictors Of Perioperative Blood Loss In Total Joint Arthroplasty., Jai Hyung Park, Mohammad R Rasouli, S M Javad Mortazavi, Anthony T Tokarski, Mitchell G Maltenfort, Javad Parvizi
Rothman Institute Papers
UNLABELLED: UPDATE The print version of this article has errors that have been corrected in the online version of this article. In the Materials and Methods section, the sentence that reads as "During the study period, our institution offered preoperative autologous blood donation to all patients who were scheduling for total joint arthroplasty with a hemoglobin level of no less than 11 mg/dL or a hematocrit level of at least 33%." in the print version now reads as "During the study period, our institution offered preoperative autologous blood donation to all patients who were scheduling for total joint arthroplasty with …
Recommendations For High-Priority Research On Cancer-Related Fatigue In Children And Adults., Andrea M. Barsevick, Michael R. Irwin, Pamela Hinds, Andrew Miller, Ann Berger, Paul Jacobsen, Sonia Ancoli-Israel, Bryce B Reeve, Karen Mustian, Ann O'Mara, Jin-Shei Lai, Michael Fisch, David Cella
Recommendations For High-Priority Research On Cancer-Related Fatigue In Children And Adults., Andrea M. Barsevick, Michael R. Irwin, Pamela Hinds, Andrew Miller, Ann Berger, Paul Jacobsen, Sonia Ancoli-Israel, Bryce B Reeve, Karen Mustian, Ann O'Mara, Jin-Shei Lai, Michael Fisch, David Cella
Department of Medical Oncology Faculty Papers
Over the past decades, some scientific progress has been made in understanding and treating cancer-related fatigue (CRF). However, three major problems have limited further progress: lack of agreement about measurement, inadequate understanding of the underlying biology, and problems in the conduct of clinical trials for CRF. This commentary reports the recommendations of a National Cancer Institute Clinical Trials Planning Meeting and an ongoing National Cancer Institute working group to address these problems so that high-priority research and clinical trials can be conducted to advance the science of CRF and its treatment. Recommendations to address measurement issues included revising the current …
Randomized Clinical Trial Examining Duration Of Voucher-Based Reinforcement Therapy For Cocaine Abstinence., Kimberly C Kirby, Carolyn M Carpenedo, Karen L Dugosh, Beth J Rosenwasser, Lois A Benishek, Alicia Janik, Rachel Keashen, Elena Bresani, Kenneth Silverman
Randomized Clinical Trial Examining Duration Of Voucher-Based Reinforcement Therapy For Cocaine Abstinence., Kimberly C Kirby, Carolyn M Carpenedo, Karen L Dugosh, Beth J Rosenwasser, Lois A Benishek, Alicia Janik, Rachel Keashen, Elena Bresani, Kenneth Silverman
College of Science & Mathematics Departmental Research
BACKGROUND: This is the first study to systematically manipulate duration of voucher-based reinforcement therapy (VBRT) to see if extending the duration increases abstinence during and following VBRT.
METHODS: We randomized cocaine-dependent methadone-maintained adults to Standard (12 weeks; n=62) or Extended (36 weeks; n=68) VBRT and provided escalating voucher amounts contingent upon urinalysis verification of cocaine abstinence. Urinalysis was scheduled at least every 2 weeks during the 48-week study and more frequently during VBRT (3/week) and 12 weeks of Aftercare (2/week).
RESULTS: Extended VBRT produced longer durations of continuous cocaine abstinence during weeks 1-24 (5.7 vs 2.7 weeks; p=0.003) and proportionally …
Diabetes And Prostate Cancer Screening In Black And White Men, Maureen Sanderson, Jay H. Fowke, Loren Lipworth, Xijing Han, Flora Ukoli, Ann L. Coker, William J. Blot, Margaret K. Hargreaves
Diabetes And Prostate Cancer Screening In Black And White Men, Maureen Sanderson, Jay H. Fowke, Loren Lipworth, Xijing Han, Flora Ukoli, Ann L. Coker, William J. Blot, Margaret K. Hargreaves
CRVAW Faculty Journal Articles
PURPOSE: Prior studies conducted primarily among white men find a reduced risk of prostate cancer associated with time since developing diabetes. While biologic explanations are plausible, the association may in part arise from more frequent prostate cancer screening among those with a diabetes diagnosis. The purpose of the present study was to investigate the association between diabetes and prostate cancer screening.
METHODS: We examined differences in prostate cancer screening (prostate-specific antigen and/or digital rectal examination) testing practices after a diabetes diagnosis among lower-income persons living in the southeastern United States and enrolled in the Southern Community Cohort Study between 2002 …
Long-Term Outcomes Of Ranibizumab Therapy For Diabetic Macular Edema: The 36-Month Results From Two Phase Iii Trials: Rise And Ride., David M. Brown, Quan Dong Nguyen, Dennis M. Marcus, David S. Boyer, Sunil Patel, Leonard Feiner, Patricio G. Schlottmann, Amy Chen Rundle, Jiameng Zhang, Roman G. Rubio, Anthony P. Adamis, Jason S. Ehrlich, J. Jill Hopkins
Long-Term Outcomes Of Ranibizumab Therapy For Diabetic Macular Edema: The 36-Month Results From Two Phase Iii Trials: Rise And Ride., David M. Brown, Quan Dong Nguyen, Dennis M. Marcus, David S. Boyer, Sunil Patel, Leonard Feiner, Patricio G. Schlottmann, Amy Chen Rundle, Jiameng Zhang, Roman G. Rubio, Anthony P. Adamis, Jason S. Ehrlich, J. Jill Hopkins
Journal Articles: Ophthalmology
PURPOSE: To report 36-month outcomes of RIDE (NCT00473382) and RISE (NCT00473330), trials of ranibizumab in diabetic macular edema (DME).
DESIGN: Phase III, randomized, multicenter, double-masked, 3-year trials, sham injection-controlled for 2 years.
PARTICIPANTS: Adults with DME (n=759), baseline best-corrected visual acuity (BCVA) 20/40 to 20/320 Snellen equivalent, and central foveal thickness (CFT) ≥ 275 μm on optical coherence tomography.
METHODS: Patients were randomized equally (1 eye per patient) to monthly 0.5 mg or 0.3 mg ranibizumab or sham injection. In the third year, sham patients, while still masked, were eligible to cross over to monthly 0.5 mg ranibizumab. Macular laser …
Analyzing The Health Care Cost Curve: A Case Study., Robert D. Lieberthal
Analyzing The Health Care Cost Curve: A Case Study., Robert D. Lieberthal
College of Population Health Faculty Papers
This case study uses data from a self-insured employer plan to perform an analysis into the properties of the health care cost curve. The analysis shows that one statistical property of the health care cost curve is that costs rise continuously, not on an annual or monthly basis. Graphical analysis indicates that managed care techniques used to restrain costs can also smooth utilization, producing the continuously growing cost curve observed. The analysis further illustrates that there is no one "cost curve"-analysis must be segmented by population. Finally, the power of predictive models to fit the cost curve varies by population. …
Thioredoxin Reductase Was Nitrated In The Aging Heart After Myocardial Ischemia/Reperfusion., Ke Wang, Jie Zhang, Xiaoliang Wang, Xin Liu, Lin Zuo, Kehua Bai, Jianyu Shang, Lu Ma, Teng Liu, Li Wang, Wen Wang, Xin-Liang Ma, Huirong Liu
Thioredoxin Reductase Was Nitrated In The Aging Heart After Myocardial Ischemia/Reperfusion., Ke Wang, Jie Zhang, Xiaoliang Wang, Xin Liu, Lin Zuo, Kehua Bai, Jianyu Shang, Lu Ma, Teng Liu, Li Wang, Wen Wang, Xin-Liang Ma, Huirong Liu
Department of Emergency Medicine Faculty Papers
The age-related loss of anti-oxidant defense reduces recovery from myocardial ischemia/reperfusion injury (MI/R) in aged people. Our previous data showed that inactivation of thioredoxin (Trx) was involved in enhanced aging MI/R injury. Thioredoxin reductase (TrxR), the enzyme known to regulate Trx, is less efficient with age. The aim of the current study was to determine why TrxR activity was reduced and whether reduced TrxR activity contributed to enhanced aging MI/R injury. Both Trx and TrxR activity were decreased in the aging heart, and this difference was further amplified after MI/R. However, MI/R injury did not change TrxR expression between young …
Factors Impacting Echocardiographic Imaging After The Fontan Procedure: A Report From The Pediatric Heart Network Fontan Cross-Sectional Study., Richard V. Williams, Renee Margossian, Minmin Lu, Andrew M. Atz, Timothy J. Bradley, Michael Jay Campbell, Steven D. Colan, Dianne Gallagher, Wyman W. Lai, Gail D. Pearson, Ashwin Prakash, Girish S. Shirali, Meryl S. Cohen, Pediatric Heart Network Investigators
Factors Impacting Echocardiographic Imaging After The Fontan Procedure: A Report From The Pediatric Heart Network Fontan Cross-Sectional Study., Richard V. Williams, Renee Margossian, Minmin Lu, Andrew M. Atz, Timothy J. Bradley, Michael Jay Campbell, Steven D. Colan, Dianne Gallagher, Wyman W. Lai, Gail D. Pearson, Ashwin Prakash, Girish S. Shirali, Meryl S. Cohen, Pediatric Heart Network Investigators
Manuscripts, Articles, Book Chapters and Other Papers
Echocardiographic image quality in Fontan survivors may be limited by a variety of factors. We sought to describe echocardiographic quality and factors associated with study quality in subjects participating in the Pediatric Heart Network Fontan Cross-Sectional Study. Echocardiograms were obtained at 7 clinical sites using a standard protocol. Quality grading and analysis were performed by a core laboratory. Univariate and multivariable modeling were performed to assess factors associated with quality and ability to obtain images sufficient for prespecified quantitative analysis. A total of 543 echocardiograms were obtained. The quality of echocardiograms improved over the duration of the study. The great …
A Population-Based Case–Control Study Of Urinary Arsenic Species And Squamous Cell Carcinoma In New Hampshire, Usa, Diane Gilbert-Diamond, Zhigang Li, Ann E. Perry, Steven K. Spencer, A Jay Gandolfi, Margaret R. Karagas
A Population-Based Case–Control Study Of Urinary Arsenic Species And Squamous Cell Carcinoma In New Hampshire, Usa, Diane Gilbert-Diamond, Zhigang Li, Ann E. Perry, Steven K. Spencer, A Jay Gandolfi, Margaret R. Karagas
Dartmouth Scholarship
Background: Chronic high arsenic exposure is associated with squamous cell carcinoma (SCC) of the skin, and inorganic arsenic (iAs) metabolites may play an important role in this association. However, little is known about the carcinogenicity of arsenic at levels commonly observed in the United States.
Objective: We estimated associations between total urinary arsenic and arsenic species and SCC in a U.S. population.
Methods: We conducted a population-based case–control SCC study (470 cases, 447 controls) in a U.S. region with moderate arsenic exposure through private well water and diet. We measured urinary iAs, monomethylarsonic acid (MMA), and dimethylarsinic acid (DMA), and …
Generating Hypotheses About Care Needs Of High Utilizers: Lessons From Patient Interviews., Dawn B Mautner, Hauchie Pang, Jeffrey C Brenner, Judy A Shea, Kennen S Gross, Rosemary Frasso, Carolyn C Cannuscio
Generating Hypotheses About Care Needs Of High Utilizers: Lessons From Patient Interviews., Dawn B Mautner, Hauchie Pang, Jeffrey C Brenner, Judy A Shea, Kennen S Gross, Rosemary Frasso, Carolyn C Cannuscio
Department of Family & Community Medicine Faculty Papers
Informed by a largely secondary and quantitative literature, efforts to improve care and outcomes for complex patients with high levels of emergency and hospital-based health care utilization have offered mixed results. This qualitative study identifies psychosocial factors and life experiences described by these patients that may be important to their care needs. Semi-structured interviews were conducted with 19 patients of the Camden Coalition of Healthcare Providers' Care Management Team. Investigators coded transcripts using a priori and inductively-derived codes, then identified 3 key themes: (1) Early-life instability and traumas, including parental loss, unstable or violent relationships, and transiency, informed many participants' …
Outdated Dermatologic Drug Samples And Obligations To The Patient., Jordan Wang, Matthew Keller
Outdated Dermatologic Drug Samples And Obligations To The Patient., Jordan Wang, Matthew Keller
Department of Dermatology and Cutaneous Biology Faculty Papers
CASE SCENARIO
A 37-year-old man with a slightly raised, red, scaly patch on his left arm is seen in the clinic of an academic teaching hospital by a young dermatologist. Following examination and biopsy, he is found to have squamous cell carcinoma in situ. The patient was recently laid off from work and had lost access to his health insurance. He is struggling to make ends meet for his family, so it would be difficult for him to cover any extraneous health-related expenses. Upon relaying this information to the dermatologist, the patient is provided with a full course of 5-fluorouracil …