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Polhamus D, Kang J, Rogers J, Gastonguay M. Web-based Software for Real-time Simulation-assisted Trial Design in Alzheimer's Disease. J Prev Alzheimers Dis 2016; 3:20-23. [PMID: 29214277 DOI: 10.14283/jpad.2015.54] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Clinical trials for Alzheimer's Disease (AD) are necessarily designed in the presence of substantial quantitative uncertainty. Certain important aspects of this uncertainty can be mitigated by developing longitudinal models for AD progression and by using these models to simulate virtual trials and estimate operating characteristics (such as statistical power, the probability of stopping at an interim analysis, the probability of identifying the correct dose, etc.) as a function of candidate design features, such as inclusion / exclusion criteria. In this brief report we describe the development and deployment of a customized software solution that allows such simulation-based results to be generated "on the fly" in the context of a drug development team meeting. This solution leverages a number of recent practical advances in statistical and scientific computing that could be much more broadly leveraged to assure more quantitatively grounded trial designs in Alzheimer's Disease.
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Affiliation(s)
- D Polhamus
- James A. Rogers, Ph.D. Principal Scientist II, Metrum Research Group, Tariffville, CT, USA,
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van Leeuwen KDB, Rogers J, Winzenberg T, van Middelkoop M. Higher body mass index is associated with plantar fasciopathy/'plantar fasciitis': systematic review and meta-analysis of various clinical and imaging risk factors. Br J Sports Med 2015; 50:972-81. [PMID: 26644427 DOI: 10.1136/bjsports-2015-094695] [Citation(s) in RCA: 87] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/02/2015] [Indexed: 12/14/2022]
Abstract
QUESTION What (risk) factors are associated with plantar fasciopathy (PF)? DESIGN Systematic review with meta-analyses. PARTICIPANTS Patients with PF. FACTORS All factors described in prospective, case-control or cross-sectional observational studies. RESULTS 51 included studies (1 prospective, 46 case-control and 4 cross-sectional studies) evaluated a total of 104 variables. Pooling was possible for 12 variables. Higher body mass index (BMI) (BMI>27, OR 3.7 (95% CI 2.93 to 5.62)) in patients with PF was the only significant clinical association, and its effect was the strongest in the non-athletic subgroup. In people with PF compared to controls, pooled imaging data demonstrated a significantly thicker, hypoechogenic plantar fascia with increased vascular signal and perifascial fluid collection. In addition, people with PF were more likely to have a thicker loaded and unloaded heel fat pat, and bone findings, including a subcalcaneal spur and increased Tc-99 uptake. No significant difference was found in the extension of the first metatarsophalangeal joint. CONCLUSIONS We found a consistent clinical association between higher BMI and plantar fasciopathy. This association may differ between athletic and non-athletic subgroups. While consistent evidence supports a range of bone and soft tissue abnormalities, there is lack of evidence for the dogma of clinical and mechanical measures of foot and ankle function. Clinicians can use this information in shared decision-making.
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Affiliation(s)
- K D B van Leeuwen
- Department of General Practice, Erasmus MC University Medical Center Rotterdam, The Netherlands
| | - J Rogers
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia
| | - T Winzenberg
- Faculty of Health, Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia
| | - M van Middelkoop
- Department of General Practice, Erasmus MC University Medical Center Rotterdam, The Netherlands
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Shiozaki H, Elimova E, Slack R, Chen H, Planjery V, Charalampakis N, Wadhwa R, Shimodaira Y, Skinner H, Lee J, Weston B, Bhutani M, Blum M, Rogers J, Maru D, Estrella J, Das P, Hofstetter W, Badgwell B, Ajani J. 2264 Metastatic gastroesophageal adenocarcinoma patients treated with systemic therapy followed by local therapy: A nomogram associated with long-term survivors. Eur J Cancer 2015. [DOI: 10.1016/s0959-8049(16)31180-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Charalampakis N, Xiao L, Elimova E, Wadhwa R, Shiozaki H, Shimodaira Y, Blum M, Planjery V, Rogers J, Matamoros A, Sagebiel T, Das P, Lee J, Bhutani M, Weston B, Estrella J, Badgwell B, Ajani J. 2254 Initial standardized uptake value (iSUV) of positron emission tomography (PET) influences prognosis of patients with localized gastric adenocarcinoma treated preoperatively. Eur J Cancer 2015. [DOI: 10.1016/s0959-8049(16)31170-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Elroy N, Rogers J, Mafi G, VanOverbeke D, Hartson S, Ramanathan R. Species-specific effects on non-enzymatic metmyoglobin reduction in vitro. Meat Sci 2015; 105:108-13. [DOI: 10.1016/j.meatsci.2015.03.010] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2014] [Revised: 02/02/2015] [Accepted: 03/10/2015] [Indexed: 11/29/2022]
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Rogers J. SU-E-T-186: Cloud-Based Quality Assurance Application for Linear Accelerator Commissioning. Med Phys 2015. [DOI: 10.1118/1.4924547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Agius M, Spink M, Magrill A, Rogers J, Burgess K. Petals; an Assessment of the Outcomes of a Service for Bereavement During Childbirth. Eur Psychiatry 2015. [DOI: 10.1016/s0924-9338(15)31873-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Kobashigawa JA, Johnson M, Rogers J, Vega JD, Colvin-Adams M, Edwards L, Meyer D, Luu M, Reinsmoen N, Dipchand AI, Feldman D, Kormos R, Mancini D, Webber S. Report from a forum on US heart allocation policy. Am J Transplant 2015; 15:55-63. [PMID: 25534656 DOI: 10.1111/ajt.13033] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2014] [Revised: 07/23/2014] [Accepted: 08/03/2014] [Indexed: 01/25/2023]
Abstract
Since the latest revision in US heart allocation policy (2006), the landscape and volume of transplant waitlists have changed considerably. Advances in mechanical circulatory support (MCS) prolong survival, but Status 1A mortality remains high. Several patient subgroups may be disadvantaged by current listing criteria and geographical disparity remains in waitlist time. This forum on US heart allocation policy was organized to discuss these issues and highlight concepts for consideration in the policy development process. A 25-question survey on heart allocation policy was conducted. Among attendees/respondents were 84 participants with clinical/published experience in heart transplant representing 51 US transplant centers, and OPTN/UNOS and SRTR representatives. The survey results and forum discussions demonstrated very strong interest in change to a further-tiered system, accounting for disadvantaged subgroups and lowering use of exceptions. However, a heart allocation score is not yet viable due to the long-term viability of variables (used in the score) in an ever-developing field. There is strong interest in more refined prioritization of patients with MCS complications, highly sensitized patients and those with severe arrhythmias or restrictive physiology. There is also strong interest in distribution by geographic boundaries modified according to population. Differences of opinion exist between small and large centers.
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Berry JG, Blaine K, Rogers J, McBride S, Schor E, Birmingham J, Schuster MA, Feudtner C. A framework of pediatric hospital discharge care informed by legislation, research, and practice. JAMA Pediatr 2014; 168:955-62; quiz 965-6. [PMID: 25155156 PMCID: PMC5603147 DOI: 10.1001/jamapediatrics.2014.891] [Citation(s) in RCA: 89] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
To our knowledge, no widely used pediatric standards for hospital discharge care exist, despite nearly 10 000 pediatric discharges per day in the United States. This lack of standards undermines the quality of pediatric hospital discharge, hinders quality-improvement efforts, and adversely affects the health and well-being of children and their families after they leave the hospital. In this article, we first review guidance regarding the discharge process for adult patients, including federal law within the Social Security Act that outlines standards for hospital discharge; a variety of toolkits that aim to improve discharge care; and the research evidence that supports the discharge process. We then outline a framework within which to organize the diverse activities that constitute discharge care to be executed throughout the hospitalization of a child from admission to the actual discharge. In the framework, we describe processes to (1) initiate pediatric discharge care, (2) develop discharge care plans, (3) monitor discharge progress, and (4) finalize discharge. We contextualize these processes with a clinical case of a child undergoing hospital discharge. Use of this narrative review will help pediatric health care professionals (eg, nurses, social workers, and physicians) move forward to better understand what works and what does not during hospital discharge for children, while steadily improving their quality of care and health outcomes.
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Affiliation(s)
- Jay G. Berry
- Division of General Pediatrics, Boston Children’s Hospital,Department of Pediatrics, Harvard Medical School
| | - Kevin Blaine
- Division of General Pediatrics, Boston Children’s Hospital
| | - Jayne Rogers
- Department of Nursing, Boston Children’s Hospital
| | - Sarah McBride
- Division of General Pediatrics, Boston Children’s Hospital,Department of Pediatrics, Harvard Medical School
| | | | | | - Mark A. Schuster
- Division of General Pediatrics, Boston Children’s Hospital,Department of Pediatrics, Harvard Medical School
| | - Chris Feudtner
- Division of General Pediatrics, Children’s Hospital of Philadelphia and the Departments of Pediatrics and of Medical Ethics and Health Policy, University of Pennsylvania
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Nazerali R, Rogers J, Canter R, Hinchcliff KM, Stevenson TR. The use of polypropylene mesh in chest wall reconstruction; a novel approach. J Plast Reconstr Aesthet Surg 2014; 68:275-6. [PMID: 25448365 DOI: 10.1016/j.bjps.2014.09.036] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2014] [Revised: 09/15/2014] [Accepted: 09/16/2014] [Indexed: 11/16/2022]
Affiliation(s)
- R Nazerali
- Division of Plastic Surgery, University of California, Davis - Medical Center, Sacramento, CA, USA
| | - J Rogers
- Department of General Surgery, University of California, Davis, Sacramento, CA, USA
| | - R Canter
- Department of General Surgery, University of California, Davis, Sacramento, CA, USA
| | - K M Hinchcliff
- Division of Plastic Surgery, University of California, Davis - Medical Center, Sacramento, CA, USA.
| | - T R Stevenson
- Division of Plastic Surgery, University of California, Davis - Medical Center, Sacramento, CA, USA
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61
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Smith J, Cheong Y, Rogers J, Davidenko N. Illusory perception of alternating vertical apparent motion in sequential random texture displays. J Vis 2014. [DOI: 10.1167/14.10.276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Stratta RJ, Farney AC, Orlando G, Farooq U, Al-Shraideh Y, Rogers J. Similar results with solitary pancreas transplantation compared with simultaneous pancreas-kidney transplantation in the new millennium. Transplant Proc 2014; 46:1924-7. [PMID: 25131072 DOI: 10.1016/j.transproceed.2014.05.079] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
INTRODUCTION The purpose of this study was to analyze our single-center outcomes according to pancreas transplant (PT) category in the new millennium by using standardized management protocols. PATIENTS AND METHODS We retrospectively studied 202 consecutive PTs (179 with portal-enteric drainage) in 192 patients; all received either rabbit antithymocyte globulin or alemtuzumab induction in combination with tacrolimus, mycophenolate mofetil, and tapered corticosteroids or early steroid withdrawal. Unlike simultaneous pancreas/kidney (SPK) transplant, solitary PT (SPT) recipients were managed with routine perioperative anticoagulation and surveillance pancreas biopsies. RESULTS From November 2001 to March 2013, we performed 162 SPK transplants, 35 pancreas after kidney transplants, and 5 pancreas-alone transplants (40 SPTs). Demographic characteristics were mostly comparable; however, the SPT group had younger donors, shorter waiting time, fewer HLA mismatches, and fewer African-American recipients but more retransplants (all, P < .05). With a mean follow-up of 5.5 versus 7.5 years, overall patient (86.4% SPK vs 86.8% SPT), kidney graft (74% SPK vs 80% SPT), and pancreas graft (both 65%) survival rates were comparable. Although mortality rates were similar, mortality patterns differed because no SPT recipients died early, whereas the 1-, 3-, and 5-year mortality rates after SPK transplant were 4%, 9% and 12%, respectively (P < .05). The most common causes of pancreas graft loss were death with functioning grafts in SPK recipients and acute/chronic rejection in SPT recipients. Rates of early thrombosis were 8.6% in SPK patients and 5% in SPT patients. Cumulative clinical acute rejection rates were similar between groups (SPK 29% vs SPT 27.5%; P = NS). CONCLUSIONS In the setting of depleting antibody induction and tacrolimus-based therapy, HLA matching, careful donor and recipient selection, portal-enteric drainage, selective perioperative anticoagulation, and surveillance SPT biopsy monitoring, similar medium-term outcomes can be achieved in SPK transplants and SPTs in the new millennium.
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Affiliation(s)
- R J Stratta
- Department of General Surgery, Wake Forest School of Medicine, Winston-Salem, North Carolina.
| | - A C Farney
- Department of General Surgery, Wake Forest School of Medicine, Winston-Salem, North Carolina
| | - G Orlando
- Department of General Surgery, Wake Forest School of Medicine, Winston-Salem, North Carolina
| | - U Farooq
- Department of General Surgery, Wake Forest School of Medicine, Winston-Salem, North Carolina
| | - Y Al-Shraideh
- Department of General Surgery, Wake Forest School of Medicine, Winston-Salem, North Carolina
| | - J Rogers
- Department of General Surgery, Wake Forest School of Medicine, Winston-Salem, North Carolina
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Stratta R, Rogers J, Orlando G, Farooq U, Al-Shraideh Y, Farney A. 5-Year Results of a Prospective, Randomized, Single-Center Study of Alemtuzumab Compared With Rabbit Antithymocyte Globulin Induction in Simultaneous Kidney–Pancreas Transplantation. Transplant Proc 2014; 46:1928-31. [DOI: 10.1016/j.transproceed.2014.05.080] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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64
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Farney A, Rogers J, Doares W, Iskandar S, Orlando G, Adams P, Gautreaux M, Kaczmorski S, Stratta R. 7 Year Results of a Prospective Randomized Study of Alemtuzumab Vs Rabbit Anti-Thymocyte Globulin Induction in Kidney and Kidney Pancreas Transplantation. Transplantation 2014. [DOI: 10.1097/00007890-201407151-00277] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Blaine K, Rogers J, Winickoff JP, Oppenheimer SC, Timm A, Ozonoff A, Geller AC. Engaging in secondhand smoke reduction discussions with parents of hospitalized pediatric patients: a national survey of pediatric nurses in the United States. Prev Med 2014; 62:83-8. [PMID: 24502846 DOI: 10.1016/j.ypmed.2014.01.021] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2013] [Revised: 01/22/2014] [Accepted: 01/27/2014] [Indexed: 10/25/2022]
Abstract
OBJECTIVE To identify individual- and system-level predictors and barriers associated with US pediatric nurses' routine counseling about child secondhand smoke exposure for parents of hospitalized children. METHODS In 2008, members of the Society of Pediatric Nurses completed a questionnaire assessing demographic, hospital systems, and work attitudes related to the following outcomes: asking about child secondhand smoke exposure, informing about sources of secondhand smoke exposure, counseling about the dangers of secondhand smoke exposure, and advising a smoke-free home policy. RESULTS Of 1475 eligible nurses, 888 completed the survey. We found that 39% asked, 43% informed, 29% counseled, and 25% advised parents. Nurses working in hospitals with mandatory prompts in the medical record to assess child secondhand smoke exposure, the availability of written materials for parent smokers, and regular secondhand smoke counseling training for nurses had increased odds of routinely engaging parents in secondhand smoke reduction best practices. Nurses reported parents' resistance to discussions about smoking, short hospital stays, and non-standardized care as the most common barriers to counseling parents. CONCLUSION System supports in hospitals significantly increases the odds of nurses engaging in child secondhand smoke reduction practices. Strengthening existing systems and introducing new policies are critical for nurses' engagement of parents in discussions about reducing child secondhand smoke exposure.
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Teuteberg J, Slaughter M, Rogers J, McGee E, Pagani F, Gordon R, Rame J, Acker M, Kormos R, Salerno C, Schleeter T, Goldstein D, Shin J, Starling R, Wozniak T, Malik A, Silvestry S, Ewald G, Birks E, Najarian K, Hathaway D, Aaronson K. Impact of Device Design and Patient Management on the Incidence of Neurologic Events after HVAD Left Ventricular Assist Device. J Heart Lung Transplant 2014. [DOI: 10.1016/j.healun.2014.01.053] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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67
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Hsich E, Starling R, Blackstone E, Rogers J, Taylor D, Schold J. Restrictive Cardiomyopathy and Risk of Mortality on Waiting List for Heart Transplantation. J Heart Lung Transplant 2014. [DOI: 10.1016/j.healun.2014.01.212] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Jenkins P, Rogers J, Kehoe A, Smith JE. An evaluation of the use of a two-tiered trauma team activation system in a UK major trauma centre. Emerg Med J 2014; 32:364-7. [PMID: 24668398 DOI: 10.1136/emermed-2013-203402] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2013] [Accepted: 03/01/2014] [Indexed: 11/03/2022]
Abstract
OBJECTIVES AND BACKGROUND Appropriate activation of multidisciplinary trauma teams improves outcome for severely injured patients but can disrupt normal service in the rest of the hospital. Derriford Hospital uses a two-tiered trauma team activation system. The emergency department trauma team (EDTT) is activated in response to a significant traumatic mechanism; the hospital trauma team (HTT) is activated when this mechanism coexists with physiological abnormality or specific anatomical injury. The aim of this study was to compare characteristics, process measures and outcomes between patients treated by EDTTs or HTTs to evaluate the approach in a UK setting. METHODS A retrospective database review was performed using Trauma Audit Research Network (TARN) and the local source trauma database. Patients who activated a trauma team between 1 April and 30 September 2012 were included. Patients were categorised according to the type of trauma team activated. Data included time to X-rays, time to CT, time to intubation, numbers discharged from ED, intensive care unit admission, injury severity score and mortality. RESULTS During the study period, 456 patients activated a trauma team with 358 EDTT and 98 HTT activations. Patients seen by the ED team were significantly less likely to have severe injury or require hospital admission, intubation, emergency operation or blood transfusion. Differences in time taken to key investigations were statistically but not clinically significant. CONCLUSIONS A two-tiered trauma team activation system is an efficient and cost-effective way of dealing with trauma patients presenting to a major trauma centre in the UK.
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Affiliation(s)
- P Jenkins
- University of Plymouth, Plymouth, UK
| | - J Rogers
- Emergency Department, Derriford Hospital, Plymouth, UK
| | - A Kehoe
- Emergency Department, Derriford Hospital, Plymouth, UK
| | - J E Smith
- Emergency Department, Derriford Hospital, Plymouth, UK Academic Department of Military Emergency Medicine, Royal Centre for Defence Medicine (Research & Academia), Birmingham, UK College of Emergency Medicine, UK
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Thomas SJ, Aspradakis MM, Byrne JP, Chalmers G, Duane S, Rogers J, Thomas RAS, Tudor GSJ, Twyman N. Reference dosimetry on TomoTherapy: an addendum to the 1990 UK MV dosimetry code of practice. Phys Med Biol 2014; 59:1339-52. [DOI: 10.1088/0031-9155/59/6/1339] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Fawcett GL, Dettmer AM, Kay D, Raveendran M, Higley JD, Ryan ND, Cameron JL, Rogers J. Quantitative Genetics of Response to Novelty and Other Stimuli by Infant Rhesus Macaques ( Macaca mulatta) Across Three Behavioral Assessments. INT J PRIMATOL 2014; 35:325-339. [PMID: 24701001 DOI: 10.1007/s10764-014-9750-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Primate behavior is influenced by both heritable factors and environmental experience during development. Previous studies of rhesus macaques (Macaca mulatta) examined the effects of genetic variation on expressed behavior and related neurobiological traits (heritability and/or genetic association) using a variety of study designs. Most of these prior studies examined genetic effects on the behavior of adults or adolescent rhesus macaques, not in young macaques early in development. To assess environmental and additive genetic variation in behavioral reactivity and response to novelty among infants, we investigated a range of behavioral traits in a large number (N = 428) of pedigreed infants born and housed in large outdoor corrals at the Oregon National Primate Research Center (ONPRC). We recorded the behavior of each subject during a series of brief tests, involving exposure of each infant to a novel environment, to a social threat without the mother present, and to a novel environment with its mother present but sedated. We found significant heritability (h2 ) for willingness to move away from the mother and explore a novel environment (h2 = 0.25 ± 0.13; P = 0.003). The infants also exhibited a range of heritable behavioral reactions to separation stress or to threat when the mother was not present (h2 = 0.23 ± 0.13-0.24 ± 0.15, P < 0.01). We observed no evidence of maternal environmental effects on these traits. Our results extend knowledge of genetic influences on temperament and reactivity in nonhuman primates by demonstrating that several measures of behavioral reactivity among infant rhesus macaques are heritable.
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Affiliation(s)
- G L Fawcett
- Human Genome Sequencing Center, Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas 77030
| | - A M Dettmer
- Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland 20892
| | - D Kay
- Department of Clinical and Health Psychology, University of Florida, Gainesville, Florida 32610
| | - M Raveendran
- Human Genome Sequencing Center, Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas 77030
| | - J D Higley
- Department of Psychology, Brigham Young University, Provo, Utah 84602
| | - N D Ryan
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, Pennsylvania 15213
| | - J L Cameron
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, Pennsylvania 15213; and Oregon National Primate Research Center, Oregon Health and Science University, Beaverton, Oregon 97006
| | - J Rogers
- Human Genome Sequencing Center, Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas 77030
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Healy K, Peterson T, Rogers J, Edwards A. Comparison of Sealants’ Ease of Use for Dental Fractures in the Emergency Department. Ann Emerg Med 2013. [DOI: 10.1016/j.annemergmed.2013.06.059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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72
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Lokey B, Peterson T, Rogers J, Edwards A. Does Simulation Improve Resident Confidence in Treating Dental Fractures? Ann Emerg Med 2013. [DOI: 10.1016/j.annemergmed.2013.06.065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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73
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Jenkins PE, Rogers J, Kehoe A, Smith J. SEE AND TREAT FOR MAJOR TRAUMA? AN EVALUATION OF THE USE OF A TWO-TIERED TRAUMA TEAM ACTIVATION SYSTEM IN A UK MAJOR TRAUMA CENTRE. Arch Emerg Med 2013. [DOI: 10.1136/emermed-2013-203113.14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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74
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Rogers J, Raveendran M, Fawcett GL, Fox AS, Shelton SE, Oler JA, Cheverud J, Muzny DM, Gibbs RA, Davidson RJ, Kalin NH. CRHR1 genotypes, neural circuits and the diathesis for anxiety and depression. Mol Psychiatry 2013; 18:700-7. [PMID: 23147386 PMCID: PMC3663915 DOI: 10.1038/mp.2012.152] [Citation(s) in RCA: 87] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The corticotrophin-releasing hormone (CRH) system integrates the stress response and is associated with stress-related psychopathology. Previous reports have identified interactions between childhood trauma and sequence variation in the CRH receptor 1 gene (CRHR1) that increase risk for affective disorders. However, the underlying mechanisms that connect variation in CRHR1 to psychopathology are unknown. To explore potential mechanisms, we used a validated rhesus macaque model to investigate association between genetic variation in CRHR1, anxious temperament (AT) and brain metabolic activity. In young rhesus monkeys, AT is analogous to the childhood risk phenotype that predicts the development of human anxiety and depressive disorders. Regional brain metabolism was assessed with (18)F-labeled fluoro-2-deoxyglucose (FDG) positron emission tomography in 236 young, normally reared macaques that were also characterized for AT. We show that single nucleotide polymorphisms (SNPs) affecting exon 6 of CRHR1 influence both AT and metabolic activity in the anterior hippocampus and amygdala, components of the neural circuit underlying AT. We also find evidence for association between SNPs in CRHR1 and metabolism in the intraparietal sulcus and precuneus. These translational data suggest that genetic variation in CRHR1 affects the risk for affective disorders by influencing the function of the neural circuit underlying AT and that differences in gene expression or the protein sequence involving exon 6 may be important. These results suggest that variation in CRHR1 may influence brain function before any childhood adversity and may be a diathesis for the interaction between CRHR1 genotypes and childhood trauma reported to affect human psychopathology.
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Affiliation(s)
- J Rogers
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX 77030, USA.
| | - M Raveendran
- Human Genome Sequencing Center and Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA
| | - GL Fawcett
- Human Genome Sequencing Center and Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA
| | - AS Fox
- Department of Psychology, University of Wisconsin, Madison, WI, USA,Waisman Laboratory for Brain Imaging and Behavior, University of Wisconsin, Madison, WI, USA
| | - SE Shelton
- Department of Psychiatry, University of Wisconsin, Madison, WI, USA,Health Emotions Research Institute, University of Wisconsin, Madison, WI, USA
| | - JA Oler
- Department of Psychiatry, University of Wisconsin, Madison, WI, USA,Health Emotions Research Institute, University of Wisconsin, Madison, WI, USA
| | - J Cheverud
- Department of Anatomy and Neurobiology, Washington University School of Medicine, St. Louis, MO, USA
| | - DM Muzny
- Human Genome Sequencing Center and Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA
| | - RA Gibbs
- Human Genome Sequencing Center and Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA
| | - RJ Davidson
- Department of Psychology, University of Wisconsin, Madison, WI, USA,Waisman Laboratory for Brain Imaging and Behavior, University of Wisconsin, Madison, WI, USA,Department of Psychiatry, University of Wisconsin, Madison, WI, USA,Health Emotions Research Institute, University of Wisconsin, Madison, WI, USA
| | - NH Kalin
- Department of Psychology, University of Wisconsin, Madison, WI, USA,Waisman Laboratory for Brain Imaging and Behavior, University of Wisconsin, Madison, WI, USA,Department of Psychiatry, University of Wisconsin, Madison, WI, USA,Health Emotions Research Institute, University of Wisconsin, Madison, WI, USA
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75
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Kells M, Rogers J, Oppenheimer SC, Blaine K, McCabe M, McGrath E, Woodring B, Geller AC. The Teachable Moment Captured: A Framework for Nurse-led Smoking Cessation Interventions for Parents of Hospitalized Children. Public Health Nurs 2013; 30:468-73. [DOI: 10.1111/phn.12046] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
| | - Jayne Rogers
- Children's Hospital Boston; Boston; Massachusetts
| | | | - Kevin Blaine
- Harvard School of Public Health; Boston; Massachusetts
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76
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Zanotti G, Shaw L, Castleberry A, Schroder J, Velazquez E, Swaminathan M, Rogers J, Milano C. Natural History of Tricuspid Valve Regurgitation (TR) Diagnosed Immediately after Heart Transplant. J Heart Lung Transplant 2013. [DOI: 10.1016/j.healun.2013.01.663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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77
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Rostad CA, McElroy AK, Hilinski JA, Thompson MP, Drew CP, Denison AM, Zaki SR, Mahle WT, Rogers J, Abramowsky CR, Shehata B. Bartonella henselae-mediated disease in solid organ transplant recipients: two pediatric cases and a literature review. Transpl Infect Dis 2012; 14:E71-81. [PMID: 22862881 DOI: 10.1111/j.1399-3062.2012.00774.x] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2012] [Revised: 03/15/2012] [Accepted: 03/19/2012] [Indexed: 01/27/2023]
Abstract
Bartonella henselae, the etiologic agent of cat-scratch disease, causes a well-defined, self-limited syndrome of fever and regional lymphadenopathy in immunocompetent hosts. In immunocompromised hosts, however, B. henselae can cause severe disseminated disease and pathologic vasoproliferation known as bacillary angiomatosis (BA) or bacillary peliosis. BA was first recognized in patients infected with human immunodeficiency virus. It has become more frequently recognized in solid organ transplant (SOT) recipients, but reports of pediatric cases remain rare. Our review of the literature revealed only one previously reported case of BA in a pediatric SOT recipient. We herein present 2 pediatric cases, one of which is the first reported case of BA in a pediatric cardiac transplant recipient, to our knowledge. In addition, we review and summarize the literature pertaining to all cases of B. henselae-mediated disease in SOT recipients.
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Affiliation(s)
- C A Rostad
- Department of Pediatrics, Emory University, Atlanta, Georgia 30322, USA
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78
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Ariza-Heredia EJ, Patel R, Blumberg EA, Walker RC, Lewis R, Evans J, Sankar A, Willliams MD, Rogers J, Milano C, Razonable RR. Outcomes of transplantation using organs from a donor infected with Klebsiella pneumoniae carbapenemase (KPC)-producing K. pneumoniae. Transpl Infect Dis 2012; 14:229-36. [PMID: 22624726 DOI: 10.1111/j.1399-3062.2012.00742.x] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2011] [Revised: 02/07/2012] [Accepted: 03/19/2012] [Indexed: 12/11/2022]
Abstract
Transmission of pathogens from donor to recipient is a potential complication of organ transplantation. Herein, we describe the clinical course and outcomes of 4 transplant recipients who received tissues from a donor with multi-organ infection with Klebsiella pneumoniae carbapenemase (KPC)-producing K. pneumoniae. Recipient 1 underwent simultaneous liver and kidney transplantation for alpha-1 antitrypsin deficiency and alcohol-related cirrhosis, and acute tubular necrosis, respectively. Soon after transplantation, he developed an infected hematoma and peritonitis due to KPC-producing K. pneumoniae despite receiving tigecycline prophylaxis. He was treated with a prolonged course of tigecycline, amikacin, and meropenem, in conjunction with surgical evacuation and percutaneous drainage of the infected fluid collections. Recipient 2 underwent living-donor liver transplantation for cholangiocarcinoma and primary sclerosing cholangitis using vein graft from the donor infected with KPC-producing K. pneumoniae. Culture of the preservation fluid containing the vein graft was positive for KPC-producing K. pneumoniae. The patient received preemptive amikacin and tigecycline, and he did not develop any infection (as evidenced by negative surveillance blood cultures). The isolates from the donor and Recipients 1 and 2 were indistinguishable by pulsed-field gel electrophoresis. Recipients 3 and 4 underwent kidney and heart transplantation, respectively; both patients received perioperative tigecycline prophylaxis and did not develop infections due to KPC-producing K. pneumoniae. All transplant recipients had good short-term outcomes. These cases highlight the importance of inter-institutional communication and collaboration to ensure the successful management of recipients of organs from donors infected with multidrug-resistant organisms.
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Affiliation(s)
- E J Ariza-Heredia
- William J von Liebig Transplant Center, College of Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA.
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79
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Palla A, Rogers J, Singh S. Life-threatening retro-pharyngeal bleed in a case of systemic lupus erythematosus - an uncommon but important evil of a common disease. Case Reports 2011; 2011:bcr.08.2011.4627. [DOI: 10.1136/bcr.08.2011.4627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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80
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Gandy R, Roe B, Rogers J. Commissioning end of life services using care profiles. BMJ Support Palliat Care 2011. [DOI: 10.1136/bmjspcare-2011-000105.39] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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81
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Vaught J, Rogers J, Carolin T, Compton C. Biobankonomics: Developing a Sustainable Business Model Approach for the Formation of a Human Tissue Biobank. J Natl Cancer Inst Monogr 2011; 2011:24-31. [DOI: 10.1093/jncimonographs/lgr009] [Citation(s) in RCA: 126] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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82
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Vaught J, Rogers J, Myers K, Lim MD, Lockhart N, Moore H, Sawyer S, Furman JL, Compton C. An NCI Perspective on Creating Sustainable Biospecimen Resources. J Natl Cancer Inst Monogr 2011; 2011:1-7. [DOI: 10.1093/jncimonographs/lgr006] [Citation(s) in RCA: 86] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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83
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Gandy R, Roe B, Rogers J. Using end-of-life care profiles to support advance care planning. BMJ Support Palliat Care 2011. [DOI: 10.1136/bmjspcare-2011-000053.138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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84
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Geller AC, Brooks DR, Woodring B, Oppenheimer S, McCabe M, Rogers J, Timm A, Resnick EA, Winickoff JP. Smoking cessation counseling for parents during child hospitalization: a national survey of pediatric nurses. Public Health Nurs 2011; 28:475-84. [PMID: 22092457 DOI: 10.1111/j.1525-1446.2011.00954.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
OBJECTIVE Given the central role played by pediatric nurses in intake assessment, discharge planning, and education for families of hospitalized pediatric patients, a child's hospitalization may provide a unique opportunity for counseling parents about smoking. We sought to determine if hospital policies can support nurses in effectively counseling parents about smoking. DESIGN AND SAMPLE We conducted a national survey of pediatric staff nurses and administrators/educators who were members of the Society of Pediatric Nurses in 2008 (n=888) to explore counseling practices for tobacco control. MEASURES Questionnaires included data on demographics, personal and work environment characteristics, hospital policy characteristics, work attitudes and barriers and the main outcome--5As for smoking cessation counseling--Ask, Advise, Assess, Assist, and Arrange. RESULTS Overall, routine screening for household smokers was most common (43%), followed by advice to quit (25%), assessing willingness to quit (19%), assisting with a quit plan (6%), and arranging follow-up contact (3%). Nurses working in hospitals with admission assessments specifically asking about household members who smoke were 7 times more likely than those without such assessments to routinely ask about smoking (OR: 7.2, 95% CI: 4.9-10.5). CONCLUSION Future research should test the efficacy of developing comprehensive hospital-wide policies to deliver smoking cessation for parents during a child's hospitalization.
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Affiliation(s)
- Alan C Geller
- Harvard School of Public Health, Boston, Massachusetts, USA.
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85
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Reeves-Daniel A, Bailey A, Assimos D, Westcott C, Adams PL, Hartmann EL, Rogers J, Farney AC, Stratta RJ, Daniel K, Freedman BI. Donor-recipient relationships in African American vs. Caucasian live kidney donors. Clin Transplant 2011; 25:E487-90. [PMID: 21504475 DOI: 10.1111/j.1399-0012.2011.01468.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
PURPOSE The purpose of the study was to characterize differences in donor and recipient relationships between African American (AA) and Caucasian living kidney donors. METHODS Data from all successful living kidney donors at a single institution between 1991 and 2009 were reviewed. Relationships between donor and recipient were categorized and between-group comparisons performed. RESULTS The study sample consisted of 73 (18%) AA and 324 Caucasian living kidney donors. The distribution of donor-recipient relationships differed significantly between AA and Caucasians. AA donors were more likely to be related to the recipient (88% vs. 74%, p = 0.007) than Caucasians. AA donors were more likely to participate in child to parent donation and were less likely to participate in parent to child donation or to donate to unrelated individuals. Sibling and spousal donations were similar in both groups. Caucasian donors were more likely to be unrelated to the recipient than AA donors. CONCLUSIONS Differences exist in donor-recipient relationships between AA and Caucasian living kidney donors. Future studies exploring cultural differences and family dynamics may provide targeted recruitment strategies for AA and Caucasian living kidney donors. Living unrelated kidney transplantation appears to be a potential growth area for living kidney donation in AA.
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Affiliation(s)
- A Reeves-Daniel
- Department of Internal Medicine, Wake Forest University Health Sciences, Winston-Salem, NC 27157, USA.
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86
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Teuteberg J, Ewald G, Adamson R, Lietz K, Miller L, Tatooles A, Kormos R, Sundareswaran K, Farrar D, Rogers J. 71 Application of the Destination Therapy Risk Score to HeartMate II Clinical Trial Data. J Heart Lung Transplant 2011. [DOI: 10.1016/j.healun.2011.01.078] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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87
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Katz H, Li W, Lovinger A, Raju V, King J, Lin YY, Dodabalapur A, Bao Z, Rogers J. Facile Deposition Processes for Semiconducting Molecular Solids. ACTA ACUST UNITED AC 2011. [DOI: 10.1557/proc-598-bb9.6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
ABSTRACTFilms of end-substituted dihexyl-α-sexithiophene and –quinquethiophene were cast from solutions in aromatic solvents onto SiO2 and polyimide dielectrics at moderately elevated temperatures and reduced pressure. X-ray diffraction showed perpendicular orientation for most samples, while electron and optical microscopy revealed considerable variations in grain sizes, spacings, and uniformity depending on deposition conditions. For favorable morphologies, thin film transistor (TFT) mobilities were as high as those typically obtained from vacuum-deposited films, in the range of 0.01-0.2 cm2/Vs, with on/off ratios >1000 in accumulation mode.
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88
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Balentine C, Ayanbule F, Haidet P, Rogers J, Chang T, Tseng E, Berger D. Medical School Improves Students' Ability To Address Uncertainty In Clinical Practice. J Surg Res 2011. [DOI: 10.1016/j.jss.2010.11.586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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89
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Segev DL, Veale JL, Berger JC, Hiller JM, Hanto RL, Leeser DB, Geffner SR, Shenoy S, Bry WI, Katznelson S, Melcher ML, Rees MA, Samara ENS, Israni AK, Cooper M, Montgomery RJ, Malinzak L, Whiting J, Baran D, Tchervenkov JI, Roberts JP, Rogers J, Axelrod DA, Simpkins CE, Montgomery RA. Transporting live donor kidneys for kidney paired donation: initial national results. Am J Transplant 2011; 11:356-60. [PMID: 21272238 DOI: 10.1111/j.1600-6143.2010.03386.x] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Optimizing the possibilities for kidney-paired donation (KPD) requires the participation of donor-recipient pairs from wide geographic regions. Initially it was envisaged that donors would travel to the recipient center; however, to minimize barriers to participation and simplify logistics, recent trends have involved transporting the kidneys rather than the donors. The goal of this study was to review outcomes of this practice. KPD programs throughout the United States were directly queried about all transplants involving live donor kidney transport. Early graft function was assessed by urine output in the first 8 h, postoperative serum creatinine trend, and incidence of delayed graft function. Between April 27, 2007 and April 29, 2010, 56 live donor kidneys were transported among 30 transplant centers. Median CIT was 7.2 h (IQR 5.5-9.7, range 2.5-14.5). Early urine output was robust (>100 cc/h) in all but four patients. Creatinine nadir was <2.0 mg/dL in all (including the four with lower urine output) but one patient, occurring at a median of 3 days (IQR 2-5, range 1-49). No patients experienced delayed graft function as defined by the need for dialysis in the first week. Current evidence suggests that live donor kidney transport is safe and feasible.
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Affiliation(s)
- D L Segev
- Department of Surgery Department of Epidemiology, Johns Hopkins University, Baltimore, MD, USA.
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90
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Szabó CA, Kochunov P, Knape KD, McCoy KJM, Leland MM, Lancaster JL, Fox PT, Williams JT, Rogers J. Cortical sulcal areas in baboons (Papio hamadryas spp.) with generalized interictal epileptic discharges on scalp EEG. Epilepsy Res 2011; 93:91-5. [PMID: 21256716 DOI: 10.1016/j.eplepsyres.2010.10.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2010] [Revised: 09/09/2010] [Accepted: 10/31/2010] [Indexed: 11/18/2022]
Abstract
Brain MRI studies in people with idiopathic generalized epilepsies demonstrate regional morphometric differences, though variable in magnitude and location. As the baboon provides an excellent electroclinical and neuroimaging model for photosensitive generalized epilepsy in humans, this study evaluated MRI volumetric and morphometric differences between baboons with interictal epileptic discharges (IEDs) on scalp EEG and baboons with normal EEG studies. Seventy-seven baboons underwent high-resolution brain MRI and scalp EEG studies. The scans were acquired using an 8-channel primate head coil (Siemens TRIO 3T scanner, Erlangen, Germany). After spatial normalization, sulcal measurements were obtained by object-based-morphology methods. One-hour scalp EEG studies were performed in animals sedated with ketamine. Thirty-eight (22F/16M) baboons had normal EEGs (IED-), while 39 (22F/17M) had generalized IEDs (IED+). The two groups were compared for age, total brain volume, and sulcal areas (Hotelling's Trace) as well as between-subjects comparison of 11 individual sulcal areas (averaged between left and right hemispheres). There were no differences between IED- and IED+ groups with respect to age or total brain (gray or white matter) volume, and multivariate tests demonstrated a marginally significant decrease of sulcal areas in IED+ baboons (p=0.075). Tests of between-subjects effects showed statistically significant decreases in the intraparietal (p=0.002), central (p=0.03) and cingulate sulci (p=0.02), and marginal decreases involving the lunate (p=0.07) and superior temporal sulci (p=0.08). Differences in sulcal areas in IED+ baboons may reflect global developmental abnormalities, while decreases of areas of specific sulci reflect anatomical markers for potential generators or cortical nodes of the networks underlying spontaneous seizures and photosensitivity in the baboon.
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Affiliation(s)
- C A Szabó
- Department of Neurology, UTHSCSA, San Antonio, TX, USA.
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91
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92
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Grant RL, Crowder ML, Ibbott GS, Simon J, Frank RK, Rogers J, Loy HM, Adamovics J, Newton J, Oldham M, Stearns S, Wendt RE. Three-Dimensional Dosimetry of a Beta-Emitting Radionuclide Using PRESAGE Dosimeters. J Phys Conf Ser 2010; 250. [PMID: 21218189 DOI: 10.1088/1742-6596/250/1/012095] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Three-dimensional dose distributions from liquid brachytherapy were measured using PRESAGE(®) dosimeters. The dosimeters were exposed to Y-90 for 5.75 days and read by optical tomography. The distributions are consistent with estimates from beta dose kernels.
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Affiliation(s)
- R L Grant
- Radiological Physics Center and Department of, University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX 77030 USA
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93
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Shah PR, Rogers J, Chawathe S, Haray PN. Use of uterine manipulator in laparoscopic colorectal surgery. J Minim Access Surg 2010; 6:125. [PMID: 21120073 PMCID: PMC2992664 DOI: 10.4103/0972-9941.72602] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2010] [Accepted: 09/25/2010] [Indexed: 11/21/2022] Open
Abstract
Laparoscopic colorectal surgery has become more common with the increase in the number of trained surgeons. We have used a disposable uterine manipulator to retract the uterus. This technique has been found to be very useful for laparoscopic low anterior resection and abdomino-perineal resection in females.
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Affiliation(s)
- P R Shah
- Department of Surgery, Prince Charles Hospital, Merthyr Tydfil, UK
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94
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Jolly CJ, Burrell AS, Phillips-Conroy JE, Bergey C, Rogers J. Kinda baboons (Papio kindae) and grayfoot chacma baboons (P. ursinus griseipes) hybridize in the Kafue river valley, Zambia. Am J Primatol 2010; 73:291-303. [PMID: 21274900 DOI: 10.1002/ajp.20896] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2010] [Revised: 08/30/2010] [Accepted: 09/26/2010] [Indexed: 11/10/2022]
Abstract
The ranges of small kinda (Papio kindae) and much larger grayfooted chacma (P. ursinus griseipes) baboons adjoin in the Kafue National Park, Zambia. In a visual survey of baboons at 48 sites in the Kafue River drainage we found that, contrary to previous reports, groups at the species interface near the town of Ngoma are phenotypically diverse and presumably formed by multigenerational hybridization. Mitochondrial and/or Y-chromosome genetic markers from fecal samples (N=164) collected at 29 sites support this conclusion. Groups with phenotypic signs of a history of hybridization also had taxon-specific mitochondria and Y-haplotypes from both parental species. Although the distribution of mitochondrial haplotypes largely mirrored that of external phenotypes, a significant proportion of male specimens from grayfoot as well as hybrid groups carried kinda Y-chromosomes, and kinda Y-chromosomes were involved in all observed cases of mitochondrial/Y-chromosome discordance. These observations are consistent with, though they do not prove, a population history in which the range of chacmas and the hybrid zone have advanced at the expense of the kinda range. They also suggest that, unexpectedly, kinda male×chacma female matings are much more common than the reciprocal cross in the ancestry of hybrids. We suggest that distinctive male kinda behavior and the "juvenile" appearance of kinda baboons of both sexes, perhaps combined with obstetric difficulties of a small kinda female carrying the large offspring of a chacma male, may account for this bias.
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Affiliation(s)
- C J Jolly
- New York University, Anthropology, New York, New York 10003, USA.
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95
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Hope R, Mushtaq S, James D, Pllana T, Warner M, Livermore DM, Brown D, Rooney P, Palmer R, Croal J, Weinbren M, Hogue S, Gould K, Cumberland N, Logan M, Pillay DG, Thomas C, Want S, Oppenheim B, Kent R, Manjula, Rizkalla, Wade J, Wilcox M, Swann A, Leonard A, Galloway, Al-Wali W, Hudson SJ, Rogers J, Winstanley T, Riley UBG, Johnstone DJ, El-Bouri K, Jones G, MacGowan A, Jepson A, Unsworth, James E, Shetty N, Shemko M, Hastings M, Lafong C, Richards S, Nash J, Waghorn D, Cullen M, Todd N, Anderson AN, D'Arcy S, Goodburn C, Bignardi G. Tigecycline activity: low resistance rates but problematic disc breakpoints revealed by a multicentre sentinel survey in the UK. J Antimicrob Chemother 2010; 65:2602-9. [DOI: 10.1093/jac/dkq370] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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96
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Al-Geizawi SMT, Farney AC, Rogers J, Assimos D, Requarth JA, Doares W, Winfrey S, Stratta RJ. Renal allograft failure due to emphysematous pyelonephritis: successful non-operative management and proposed new classification scheme based on literature review. Transpl Infect Dis 2010; 12:543-50. [PMID: 20825591 DOI: 10.1111/j.1399-3062.2010.00538.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Emphysematous pyelonephritis (EPN) is a rare necrotizing infection of the kidney caused by gas-forming organisms, usually occurs in diabetic patients, and often requires nephrectomy for effective therapy. EPN is rarely reported in renal allografts, with only 20 cases found in the English literature. We report herein a case of EPN in a transplanted kidney resulting in acute renal failure and sepsis. The patient was managed non-operatively with subsequent recovery of renal allograft function. Based on this experience and a review of the literature, we suggest an amended classification system for EPN in kidney transplantation to plan and guide treatment options accordingly. However, the scarcity of this disease process, coupled with the lack of prospective validation of the new classification scheme, prevents drawing definitive conclusions regarding optimal management strategies including the role and timing of allograft nephrectomy.
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Affiliation(s)
- S M T Al-Geizawi
- Department of General Surgery, Wake Forest University Baptist Medical Center, Winston-Salem, North Carolina 27157, USA
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Helland L, Westfall J, Camargo C, Rogers J, Ginde A. EMF-8: Motivations and Barriers for Recruitment of New Emergency Medicine Residency Graduates to Rural Emergency Departments. Ann Emerg Med 2010. [DOI: 10.1016/j.annemergmed.2010.06.599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Rogers J, Dowsett AB, Dennis PJ, Lee JV, Keevil CW. Influence of Plumbing Materials on Biofilm Formation and Growth of Legionella pneumophila in Potable Water Systems. Appl Environ Microbiol 2010; 60:1842-51. [PMID: 16349278 PMCID: PMC201571 DOI: 10.1128/aem.60.6.1842-1851.1994] [Citation(s) in RCA: 160] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
A two-stage chemostat model of a plumbing system was developed, with tap water as the sole nutrient source. The model system was populated with a naturally occurring inoculum derived from an outbreak of Legionnaires' disease and containing Legionella pneumophila along with associated bacteria and protozoa. The model system was used to develop biofilms on the surfaces of a range of eight plumbing materials under controlled, reproducible conditions. The materials varied in their abilities to support biofilm development and the growth of L. pneumophila. Elastomeric surfaces had the most abundant biofilms supporting the highest numbers of L. pneumophila CFU; this was attributed to the leaching of nutrients for bacterial growth from the materials. No direct relationship existed between total biofouling and the numbers of L. pneumophila CFU.
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Affiliation(s)
- J Rogers
- Pathology Division, Public Health Laboratory Service, Centre for Applied Microbiology and Research, Porton Down, Salisbury, Wiltshire SP4 0JG, United Kingdom
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