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Who Do You Trust? The Role of Level and Change in Trust and Personality across Young to Middle Adulthood for Political Interest and Voting Intentions. JOURNAL OF RESEARCH IN PERSONALITY 2022. [DOI: 10.1016/j.jrp.2022.104288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Osimertinib and anti-HER3 combination therapy engages immune dependent tumor toxicity via STING activation in trans. Cell Death Dis 2022; 13:274. [PMID: 35347108 PMCID: PMC8960767 DOI: 10.1038/s41419-022-04701-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 02/07/2022] [Accepted: 03/01/2022] [Indexed: 11/28/2022]
Abstract
Over the past decade, immunotherapy delivered novel treatments for many cancer types. However, lung cancer still leads cancer mortality, and non-small-cell lung carcinoma patients with mutant EGFR cannot benefit from checkpoint inhibitors due to toxicity, relying only on palliative chemotherapy and the third-generation tyrosine kinase inhibitor (TKI) osimertinib. This new drug extends lifespan by 9-months vs. second-generation TKIs, but unfortunately, cancers relapse due to resistance mechanisms and the lack of antitumor immune responses. Here we explored the combination of osimertinib with anti-HER3 monoclonal antibodies and observed that the immune system contributed to eliminate tumor cells in mice and co-culture experiments using bone marrow-derived macrophages and human PBMCs. Osimertinib led to apoptosis of tumors but simultaneously, it triggered inositol-requiring-enzyme (IRE1α)-dependent HER3 upregulation, increased macrophage infiltration, and activated cGAS in cancer cells to produce cGAMP (detected by a lentivirally transduced STING activity biosensor), transactivating STING in macrophages. We sought to target osimertinib-induced HER3 upregulation with monoclonal antibodies, which engaged Fc receptor-dependent tumor elimination by macrophages, and STING agonists enhanced macrophage-mediated tumor elimination further. Thus, by engaging a tumor non-autonomous mechanism involving cGAS-STING and innate immunity, the combination of osimertinib and anti-HER3 antibodies could improve the limited therapeutic and stratification options for advanced stage lung cancer patients with mutant EGFR.
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Subcutaneous Injection of Testosterone Is an Effective and Preferred Alternative to Intramuscular Injection: Demonstration in Female-to-Male Transgender Patients. J Clin Endocrinol Metab 2017; 102:2349-2355. [PMID: 28379417 DOI: 10.1210/jc.2017-00359] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Accepted: 03/29/2017] [Indexed: 02/04/2023]
Abstract
CONTEXT Testosterone (T) is commonly administered intramuscularly to treat hypogonadal males and female-to-male (FTM) transgender patients. However, these injections can involve significant discomfort and may require arrangements for administration by others. OBJECTIVE We assessed whether T could be administered effectively and safely subcutaneously as an alternative to intramuscular (IM) injections. DESIGN Retrospective cohort study. SETTING Outpatient reproductive endocrinology clinic at an academic medical center. PATIENTS Sixty-three FTM transgender patients aged >18 years electing to receive subcutaneous (SC) T therapy for sex transition were included. Fifty-three patients were premenopausal. INTERVENTION Patients were administered T cypionate or enanthate weekly at an initial dose of 50 mg. Dose was adjusted if needed to achieve serum total T levels within the normal male range. MAIN OUTCOME MEASUREMENTS Serum concentrations of free and total T and total estradiol (E2), masculinization, and surveillance for reactions at injection sites. RESULTS Serum T levels within the normal male range were achieved in all 63 patients with doses of 50 to 150 mg (median, 75/80 mg). Therapy was effective across a wide range of body mass index (19.0 to 49.9 kg/m2). Minor and transient local reactions were reported in 9 out of 63 patients. Among 53 premenopausal patients, 51 achieved amenorrhea and 35 achieved serum E2 concentrations <50 pg/mL. Twenty-two patients were originally receiving IM and switched to SC therapy. All 22 had a mild (n = 2) or marked (n = 20) preference for SC injections; none preferred IM injections. CONCLUSIONS Our observations indicate that SC T injections are an effective, safe, and well-accepted alternative to IM T injections.
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Over sea and glen: NHS Highland/Highland Health Sciences Library/NHS Education Scotland remote and rural support project. Rural Remote Health 2016. [DOI: 10.22605/rrh4079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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THU0006 Novel Changes in B and T-Cell Phenotypes with Belimumab in An Autoantibody Mediated Disease. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.1508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Abstract
PURPOSE Encouraging dog walking may increase physical activity in dog owners. This cluster-randomized controlled trial investigated whether a social networking Web site (Meetup™) could be used to deliver a multicomponent dog walking intervention to increase physical activity. METHODS Sedentary dog owners (n = 102) participated. Eight neighborhoods were randomly assigned to the Meetup™ condition (Meetup™) or a condition where participants received monthly e-mails with content from the American Heart Association regarding increasing physical activity. The Meetup™ intervention was delivered over 6 months and consisted of newsletters, dog walks, community events, and an activity monitor. The primary outcome was steps; secondary outcomes included social support for walking, sense of community, perceived dog walking outcomes, barriers to dog walking, and feasibility of the intervention. RESULTS Mixed-model analyses examined change from baseline to postintervention (6 months) and whether change in outcomes differed by condition. Daily steps increased over time (P = 0.04, d = 0.28), with no differences by condition. The time-condition interaction was significant for the perceived outcomes of dog walking (P = 0.04, d = 0.40), such that the Meetup™ condition reported an increase in the perceived positive outcomes of dog walking, whereas the American Heart Association condition did not. Social support, sense of community, and dog walking barriers did not significantly change. Meetup™ logins averaged 58.38 per week (SD, 11.62). Within 2 months of the intervention ending, organization of the Meetup™ groups transitioned from the study staff to Meetup™ members. CONCLUSIONS Results suggest that a Meetup™ group is feasible for increasing physical activity in dog owners. Further research is needed to understand how to increase participation in the Meetup™ group and facilitate greater connection among dog owners.
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Abstract
Dog walking may increase physical activity among dogs and their owners. Understanding barriers and facilitators to walking the dog is critical to developing interventions to increase dog walking. This study aimed to confirm previously identified barriers and facilitators of dog walking, and to identify unique factors that may be relevant to dog walking in cities with variable weather. This mixed methods study used focus groups to identify barriers and facilitators associated with dog walking and a survey to examine which factors were associated with dog walking. Focus group participants described barriers, such as lack of time, weather, lack of places to walk and the dog's bad behaviour. Facilitators included enjoyment, dog walking norms (defined as the participant's perception of how much the veterinarian, other dog owners, and their family think they should walk the dog), and socialisation opportunities. A hierarchical regression analysis of survey data revealed that the participant's perception of dog walking norms was associated with increased frequency and duration of dog walking, while weather, work and family commitment barriers were associated with a reduced frequency and duration of dog walking. Family, community and veterinarian dog walking norms, inclement weather, and lack of time due to work obligations emerged as important correlates of dog walking. Interventions that aim to increase physical activity by encouraging dog walking may benefit from incorporating strategies that address facilitators (family support) and barriers (time and weather) to walking the dog.
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Towards the perfect anastomosis - quantitative assessment of simulated anastomoses. Heart Lung Circ 2015. [DOI: 10.1016/j.hlc.2014.12.064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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AB0578 Mepolizumab in the Treatment of Eosinophilic Granulomatosis with Polyangitis. Ann Rheum Dis 2014. [DOI: 10.1136/annrheumdis-2014-eular.1764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Neighborhood Environment and Walking in Dog Owners. Med Sci Sports Exerc 2014. [DOI: 10.1249/01.mss.0000494944.95046.f2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Factors influencing adoption of and adherence to indoor smoking bans among health disparity communities. Am J Public Health 2014; 104:1928-34. [PMID: 25208003 DOI: 10.2105/ajph.2013.301735] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVES We assessed current home smoking behaviors and secondhand smoke (SHS) levels among parents of children in low-income, racial/ethnic minority communities in Massachusetts. METHODS We used a cross-sectional design to assess home smoking rules, smoking status, cigarettes smoked in the home, and barriers and benefits to attaining a smoke-free home among 138 caregivers (mean age=30.0 years; 92% women) of children aged 0 to 6 years, between April 2010 and September 2012. Indoor SHS was assessed using a nicotine dosimeter. RESULTS Households with no ban reported a higher weekly mean number of cigarettes smoked in the home (114 cigarettes/week) than homes with partial (71 cigarettes/week) or complete (30 cigarettes/week) bans (P<.01). Smoking occurred outside more than inside homes with partial or complete bans. Air nicotine levels were positively associated with no household smoking ban, current smoking by the caregiver, and smoking indoors. CONCLUSIONS Strategies to reduce home SHS should focus on a "complete" home smoking ban and smoking cessation. SHS mitigation strategies such as smoking outside were associated with lower SHS among participants unable to maintain a complete ban, and might enhance the likelihood of longer term success while immediately reducing home SHS.
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HIV and tuberculosis coinfection: a qualitative study of treatment challenges faced by care providers. Int J Tuberc Lung Dis 2014; 17:1029-35. [PMID: 23827026 DOI: 10.5588/ijtld.12.0446] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
SETTING Infectious Diseases Department, Karolinska University Hospital, Stockholm, Sweden. OBJECTIVE To understand the challenges faced by nurses and physicians in the treatment of patients co-infected with the human immunodeficiency virus (HIV) and tuberculosis (TB), with special focus on opportunities for information and communication technology. DESIGN Using a qualitative study design, on-site observations and informal discussions were carried out to become acquainted with the clinical context. Seven nurses and six physicians were purposefully selected to participate in one-to-one in-depth interviews inspired by cognitive task analysis. Interviews were audio recorded and transcribed verbatim, and analysed using inductive thematic analysis. RESULTS Care providers faced challenges related to 1) the complexities inherent to TB-HIV co-treatment, 2) clinical knowledge and task standardisation, 3) care coordination and collaboration, 4) information management, and 5) engaging patients in their treatment. CONCLUSION Support is needed on several levels to address the emerging burden of TB-HIV coinfection in Sweden. Educational material and tools need to be further developed to support care providers in making decisions about adequate care, and to support collaborative activities and communication among patients and care providers. Information and communication technology based solutions may provide an opportunity to address some of these challenges.
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Congenital anomalies of kidney and urinary tract. Nephrol Dial Transplant 2013. [DOI: 10.1093/ndt/gft171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Epidemiology - renal outcomes. Nephrol Dial Transplant 2013; 28:i140-i154. [DOI: 10.1093/ndt/gft109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023] Open
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Perceptions of evidence-based programs among community-based organizations tackling health disparities: a qualitative study. HEALTH EDUCATION RESEARCH 2012; 27:717-28. [PMID: 22012968 PMCID: PMC3396880 DOI: 10.1093/her/cyr088] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2011] [Accepted: 09/01/2011] [Indexed: 05/24/2023]
Abstract
Dissemination of prevention-focused evidence-based programs (EBPs) from research to community settings may improve population health and reduce health disparities, but such flow has been limited. Academic-community partnerships using community-based participatory research (CBPR) principles may support increased dissemination of EBPs to community-based organizations (CBOs). This qualitative study examined the EBP-related perceptions and needs of CBOs targeting underserved populations. As part of PLANET MassCONECT, a CBPR study, we conducted six key informant interviews with community leaders and four focus groups with CBO staff members in Boston, Worcester and Lawrence, Massachusetts, in 2008. Working definitions of EBPs among CBO staff members varied greatly from typical definitions used by researchers or funders. Key barriers to using EBPs included: resource constraints, program adaptation challenges and conflicts with organizational culture. Important facilitators of EBP usage included: program supports for implementation and adaptation, collaborative technical assistance and perceived benefits of using established programs. This exploratory study highlights differences among key stakeholders regarding the role of evidence in program planning and delivery. An updated perspective should better incorporate CBO perspectives on evidence and place greater, and much needed, emphasis on the impact of context for EBP dissemination in community settings.
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Clinical Nephrology - Epidemiology II. Nephrol Dial Transplant 2012. [DOI: 10.1093/ndt/gfs236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Addressing cancer disparities via community network mobilization and intersectoral partnerships: a social network analysis. PLoS One 2012; 7:e32130. [PMID: 22384156 PMCID: PMC3285642 DOI: 10.1371/journal.pone.0032130] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2011] [Accepted: 01/24/2012] [Indexed: 11/18/2022] Open
Abstract
Community mobilization and collaboration among diverse partners are vital components of the effort to reduce and eliminate cancer disparities in the United States. We studied the development and impact of intersectoral connections among the members of the Massachusetts Community Network for Cancer Education, Research, and Training (MassCONECT). As one of the Community Network Program sites funded by the National Cancer Institute, this infrastructure-building initiative utilized principles of Community-based Participatory Research (CBPR) to unite community coalitions, researchers, policymakers, and other important stakeholders to address cancer disparities in three Massachusetts communities: Boston, Lawrence, and Worcester. We conducted a cross-sectional, sociometric network analysis four years after the network was formed. A total of 38 of 55 members participated in the study (69% response rate). Over four years of collaboration, the number of intersectoral connections reported by members (intersectoral out-degree) increased, as did the extent to which such connections were reported reciprocally (intersectoral reciprocity). We assessed relationships between these markers of intersectoral collaboration and three intermediate outcomes in the effort to reduce and eliminate cancer disparities: delivery of community activities, policy engagement, and grants/publications. We found a positive and statistically significant relationship between intersectoral out-degree and community activities and policy engagement (the relationship was borderline significant for grants/publications). We found a positive and statistically significant relationship between intersectoral reciprocity and community activities and grants/publications (the relationship was borderline significant for policy engagement). The study suggests that intersectoral connections may be important drivers of diverse intermediate outcomes in the effort to reduce and eliminate cancer disparities. The findings support investment in infrastructure-building and intersectoral mobilization in addressing disparities and highlight the benefits of using CBPR approaches for such work.
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Faecal Management Devices and Severe Graft Versus Host Disease. Biol Blood Marrow Transplant 2012. [DOI: 10.1016/j.bbmt.2011.12.558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Cancer control and functional outcomes after radical prostatectomy as markers of surgical quality: analysis of heterogeneity between surgeons at a single cancer center. Int Braz J Urol 2011. [DOI: 10.1590/s1677-55382011000300025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Toward a rational strategy for prostate cancer screening based on long-term risk of prostate cancer metastases and death: Data from a large, unscreened, population-based cohort followed for up to 30 years. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.15_suppl.4512] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Immunoglobulin subclass determines ability of immunoglobulin (Ig)G to capture and activate neutrophils presented as normal human IgG or disease-associated anti-neutrophil cytoplasm antibody (ANCA)-IgG. Clin Exp Immunol 2011; 164:218-26. [PMID: 21391987 DOI: 10.1111/j.1365-2249.2011.04367.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Immunoglobulin G (IgG) is a potent neutrophil stimulus, particularly when presented as anti-neutrophil cytoplasm antibody (ANCA) in ANCA-associated vasculitis. We assessed whether IgG subclasses had differential effects on neutrophil activation and whether differences were dependent on specific Fc-receptor engagement. Using a physiologically relevant flow model, we compared adhesion of neutrophils to different subclasses of normal IgG coated onto solid surfaces, with adhesion of neutrophils treated with different subclasses of soluble ANCA IgG to P-selectin surfaces or endothelial cells (EC). Normal IgG captured flowing neutrophils efficiently in the order IgG3 > IgG1 > IgG2 > IgG4. Fc-receptor blockade reduced capture, IgG3 being more dependent on CD16 and IgG1/2 on CD32. Blockade of the integrin CD18 reduced neutrophil spreading, while inhibition of calcium-dependent signalling reduced both capture and spreading, suggesting that both were active processes. Neutrophils treated with ANCA IgG subclasses 1, 3 and 4 showed stabilization of adhesion to P-selectin surfaces and EC. ANCA changed neutrophil behaviour from rolling to static adhesion and the potency of the subclasses followed the same pattern as above: IgG3 > IgG1 > IgG4. Blockade of Fc receptors resulted in neutrophils continuing to roll, i.e. they were not ANCA-activated; differential utilization of Fc receptor by particular IgG subclasses was not as apparent as during neutrophil capture by normal IgG. IgG3 is the most effective subclass for inducing neutrophil adhesion and altered behaviour, irrespective of whether the IgG is surface bound or docks onto neutrophil surface antigens prior to engaging Fc receptors. Engagement of Fc receptors underpins these responses; the dominant Fc receptor depends on IgG subclass.
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Group prenatal care: an analysis of cost. JOURNAL OF HEALTH CARE FINANCE 2008; 34:31-41. [PMID: 21110479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
INTRODUCTION Group prenatal care may have benefits over traditional care; however, the economic performance of this model is largely unexplored. We sought to understand the finances of group prenatal care at a small, rural, critical access hospital. METHODS Volume, cost, and revenue estimates were obtained and an economic model was created. Determination was made of total time spent providing prenatal care, financial breakeven point and number of hours of prenatal care per patient. RESULTS Group size required to equal or exceed the time efficiency of traditional prenatal care varied based on the structure of the prenatal care models. Small group sizes decrease efficiency and increase costs. The baseline financial breakeven point of 305 deliveries per year decreases to 302 deliveries if all women receive group care. Shifting prenatal care from higher to lower cost providers decreases the breakeven point to 218 deliveries per year, if the acquired time is used to provide gynecologic services. With group sizes between eight and 12, the time efficiency of lower cost providers improves from an average of seven to four hours of prenatal care per patient. CONCLUSION In organizations with low volume obstetrics, group prenatal care can lead to decreased efficiency and greater cost. In settings with sufficient volume, financial benefit is realized if prenatal care is shifted from higher to lower cost providers. Using a group model of prenatal care allows lower cost providers to see additional patients efficiently. Although group prenatal care may offer some benefits, cost analysis should be considered before initiation.
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RADICALS (Radiotherapy and Androgen Deprivation in Combination after Local Surgery). Clin Oncol (R Coll Radiol) 2007; 19:167-71. [PMID: 17359901 DOI: 10.1016/j.clon.2007.01.001] [Citation(s) in RCA: 100] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2006] [Revised: 12/22/2006] [Accepted: 01/09/2007] [Indexed: 11/29/2022]
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Treatment of bone and joint infections caused by Gram-negative bacilli with a cefepime-fluoroquinolone combination. Clin Microbiol Infect 2006; 12:1030-3. [PMID: 16961643 DOI: 10.1111/j.1469-0691.2006.01523.x] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A 3-year retrospective study evaluated the effectiveness and safety of cefepime plus a fluoroquinolone for treating bone and joint infections caused by Gram-negative bacilli (GNB) in 28 patients. Intra-operative cultures yielded primarily Pseudomonas spp. and Enterobacter cloacae. Full recovery (cure) was observed in 79% of patients. There were no serious adverse effects and no resistant organisms were isolated. The results of the study confirmed the safety and effectiveness of cefepime combined with a fluoroquinolone for the treatment of bone and joint infections caused by Gram-negative bacilli.
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Limits on spin-independent interactions of weakly interacting massive particles with nucleons from the two-tower run of the cryogenic dark matter search. PHYSICAL REVIEW LETTERS 2006; 96:011302. [PMID: 16486434 DOI: 10.1103/physrevlett.96.011302] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2005] [Indexed: 05/06/2023]
Abstract
We report new results from the Cryogenic Dark Matter Search (CDMS II) at the Soudan Underground Laboratory. Two towers, each consisting of six detectors, were operated for 74.5 live days, giving spectrum-weighted exposures of 34 (12) kg d for the Ge (Si) targets after cuts, averaged over recoil energies 10-100 keV for a weakly interacting massive particle (WIMP) mass of 60 GeV/c2. A blind analysis was conducted, incorporating improved techniques for rejecting surface events. No WIMP signal exceeding expected backgrounds was observed. When combined with our previous results from Soudan, the 90% C.L. upper limit on the spin-independent WIMP-nucleon cross section is 1.6 x 10(-43) cm2 from Ge and 3 x 10(-42) cm2 from Si, for a WIMP mass of 60 GeV/c2. The combined limit from Ge (Si) is a factor of 2.5 (10) lower than our previous results and constrains predictions of supersymmetric models.
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First results from the Cryogenic Dark Matter Search in the Soudan Underground Laboratory. PHYSICAL REVIEW LETTERS 2004; 93:211301. [PMID: 15600991 DOI: 10.1103/physrevlett.93.211301] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2004] [Indexed: 05/24/2023]
Abstract
We report the first results from a search for weakly interacting massive particles (WIMPs) in the Cryogenic Dark Matter Search experiment at the Soudan Underground Laboratory. Four Ge and two Si detectors were operated for 52.6 live days, providing 19.4 kg d of Ge net exposure after cuts for recoil energies between 10 and 100 keV. A blind analysis was performed using only calibration data to define the energy threshold and selection criteria for nuclear-recoil candidates. Using the standard dark-matter halo and nuclear-physics WIMP model, these data set the world's lowest exclusion limits on the coherent WIMP-nucleon scalar cross section for all WIMP masses above 15 GeV/c2, ruling out a significant range of neutralino supersymmetric models. The minimum of this limit curve at the 90% C.L. is 4 x 10(-43) cm2 at a WIMP mass of 60 GeV/c2.
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The difference between study recommendations, stated policy, and actual practice in a clinical trial. Ann Oncol 2004; 15:1267-73. [PMID: 15277269 DOI: 10.1093/annonc/mdh303] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND We determined whether physicians involved in a clinical trial adhere to the study recommendations or the stated policy of their treatment centre with respect to the administration of boost radiation after breast conserving surgery. PATIENTS AND METHODS Boost radiation treatment policy was determined by survey at 25 oncology centres involved in a randomised trial of breast or breast plus nodal radiation in Canada. Actual practice was compared with stated policy and study recommendations. RESULTS Among 248 subjects, 201 (81%) were treated according to stated policy [kappa=0.40, 95% confidence intervals (CI) 0.27-0.52; P<0.0001], indicating only a fair to moderate agreement between stated and actual practice, while 232 (94%) were treated according to study recommendations (kappa=0.59, 95% CI 0.40-0.77; P<0.0001), indicating moderate to near substantial agreement between study recommendations and actual practice (P=0.88 for z-test of difference). In a multivariate analysis, subjects who had invasive disease at a resection margin were more likely to get a boost than those with margins clear of invasive tumour by 2 mm [odds ratio (OR) 49, 95% CI 7.6-322; P<0.0001]. CONCLUSIONS Physicians appear compliant with study recommendations for a non-randomised manoeuvre in a clinical trial, possibly at the expense of compliance with stated local policy. Clinical trial protocols should incorporate standard practice.
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Can the Usage-Based Approach to Language Development be Applied to Analysis of Developmental Stuttering? STAMMERING RESEARCH : AN ON-LINE JOURNAL PUBLISHED BY THE BRITISH STAMMERING ASSOCIATION 2004; 1:83-100. [PMID: 18259585 PMCID: PMC2231512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
The usage-based approach to language development suggests that children initially build up their language through very concrete constructions based around individual words or frames on the basis of the speech they hear and use. These constructions gradually become more general and more abstract during the third and fourth year of life. We outline this approach and suggest that it may be applied to problems of fluency control in early child language development.
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Abstract
Neurological manifestations of tuberculosis are rare, especially in immunocompetent subjects. The heterogeneity of clinical and radiological features induces frequently a delay for diagnosis. The aim of the study was to describe clinical and radiological presentation of 11 cases of neuro-tuberculosis and to evaluate clinical outcome. We performed clinical, CSF, MRI and outcome evaluation in all patients. We also performed a mycobacterium analysis by polymerase chain reaction (PCR). Patients were 6 men and 5 women with a mean age of 45.4 years. Clinical presentations were meningeal symptoms in 9 cases and focal manifestations in 4 cases. CSF was abnormal in 82 p.cent of cases (protein increase in 73 p.cent, pleiocytosis in 73 p.cent, hypoglycorrhachia in 45 p.cent and hypochlorrhachia in 36 p.cent). The best diagnostic test was PCR (positive in 45 p.cent of cases). CSF cultures were positive in only 2 cases (18 p.cent). Only 2 patients had chest involvement. MRI was abnormal in 64 p.cent of cases showing pseudo-tumor, arachnoiditis, vascular lesions or medullar involvement. Outcome was good in all cases but two (one patient died and one patient had paraplegia possibly related to late diagnosis). Neurological manifestations of tuberculosis are extremely various in terms of clinical and radiological presentation. The best diagnostic test seems to be tuberculosis PCR. Outcome is frequently favorable if late diagnosis is avoided.
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[Nontuberculous mycobacterial keratitis: report of two cases causing infectious crystalline keratopathy]. J Fr Ophtalmol 2003; 26:175-81. [PMID: 12660593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Abstract
We report two cases of nontuberculous mycobacterial keratitis, occurring after corneal trauma with superficial foreign body and after perforating keratoplasty for alkali burn, respectively. Patients initially presented with indolent white corneal infiltrates, which did not respond to topical treatment. Both secondarily developed infectious crystalline keratopathy with unequal intensity. In the first case, the excised flap of lamellar keratectomy was cultured, allowing identification of Mycobacterium abscessus. Mycobacterium chelonae was isolated from a corneal biopsy in the second case. The clinical course showed poor response to antibiotic therapy consisting of ciprofloxacin and amikacin drops in conjunction with a new-generation oral macrolide. Corneal infection recurred after lamellar keratectomy in the first patient. Topical corticosteroid interruption burst corneal inflammation and induced stromal necrosis in the other patient. These intractable mycobacterial infections were finally controlled with penetrating keratoplasty. Our data suggest that a rapidly growing mycobacteria culture is required when clinical presentation consists of chronic bacterial keratitis or infectious crystalline keratopathy.
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Suivi à un an de 39 patients présentant une infectionà staphylocoque sur implant orthopédique. Rev Med Interne 2002. [DOI: 10.1016/s0248-8663(02)80457-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Characterization of an unusual Mycobacterium: a possible missing link between Mycobacterium marinum and Mycobacterium ulcerans. J Clin Microbiol 2002; 40:2370-80. [PMID: 12089250 PMCID: PMC120612 DOI: 10.1128/jcm.40.7.2370-2380.2002] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
In an attempt to characterize an unusual mycobacterial isolate from a 44-year-old patient living in France, we applied phenotypic characterizations and various previously described molecular methods for the taxonomic classification of mycobacteria. The results of the investigations were compared to those obtained in a previous study with a set of temporally and geographically diverse Mycobacterium ulcerans (n = 29) and Mycobacterium marinum (n = 29) isolates (K. Chemlal, G. Huys, P.-A. Fonteyne, V. Vincent, A. G. Lopez, L. Rigouts, J. Swings, W. M. Meyers, and F. Portaels, J. Clin. Microbiol. 39:3272-3278, 2001). The isolate, designated ITM 00-1026 (IPP 2000-372), is closely related to M. marinum according to its phenotypic properties, lipid pattern, and partial 16S rRNA sequence. Moreover, fingerprinting by amplified fragment length polymorphism (AFLP) analysis unequivocally classified this strain as a member of the species M. marinum, although it lacked two species-specific AFLP marker bands. However, PCR and restriction fragment length polymorphism analysis based on M. ulcerans-specific insertion sequence IS2404 showed the presence of this element in a low copy number in isolate ITM 00-1026. In conclusion, the designation of this isolate as a transitional species further supports the recent claim by Stinear et al. (T. Stinear, G. Jenkin, P. D. Johnson, and J. K. Davies, J. Bacteriol. 182:6322-6330, 2000) that M. ulcerans represents a relatively recent phylogenetic derivative of M. marinum resulting from the systematic acquisition of foreign DNA fragments.
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Les conjonctivites purulentes du sujet âgé en soins de suite et de longue durée. Rev Med Interne 2002. [DOI: 10.1016/s0248-8663(02)80346-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Bronchoscopic diagnosis and staging of lung cancer. CHEST SURGERY CLINICS OF NORTH AMERICA 2001; 11:701-21, vii-viii. [PMID: 11780291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
In the past 2 decades, flexible bronchoscopy (FB) with forceps biopsy and transbronchial needle aspiration (TBNA); computed tomography (CT)-guided, transthoracic fine-needle aspiration (FNA); and endoscopic ultrasonography (EUS) have revolutionized lung cancer diagnosis and staging by facilitating precise biopsy of lung lesions and virtually all mediastinal lymph-node stations. In this article the authors present an algorithm for the diagnosis and staging of lung cancer that addresses sampling of suspicious lesions and lymph nodes by means of FB, CT, ultrasonography, fluoroscopy, and EUS, emphasizing tissue-based diagnosis and staging by means of image-guided technology with the highest diagnostic yield. They discuss the approach to the diagnosis and staging of lung cancer by techniques guided by FB, with particular attention to the increasing role of TBNA in this field. Additionally, the authors propose a rating scale based on the degree of invasiveness and diagnostic yield, comparing FB with other diagnostic techniques.
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Abstract
PURPOSE To assess the value of polymerase chain reaction in the diagnosis of cat-scratch disease neuroretinitis without conclusive serology. METHODS Interventional case report. A 13-year-old girl developed a right neuroretinitis 2 months after a cat scratch. Despite the lack of accompanying features, an infection by Bartonella henselae was suspected and a systemic check-up was performed. RESULTS Serologic results excluded other proposed origins but were insufficient in making the diagnosis because of low B. henselae specific IgG level in serum. A polymerase chain reaction analysis for B. henselae DNA in a small axillary lymphadenopathy aspirate enabled us to achieve a definitive diagnosis of cat-scratch disease. CONCLUSION Polymerase chain reaction is a valuable method of diagnosing cat-scratch disease when serology is considered negative or borderline.
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Primary systemic vasculitis. Minerva Med 2001; 92:349-63. [PMID: 11675579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Abstract
Systemic vasculitides are multisystem diseases characterised pathologically by necrotising inflammation of blood vessels. The clinical presentation of vasculitis depends on the vessels involved. Classification of such diseases is now by the size of the affected vessel. This review focuses predominantly on the small vessel vasculitides shown to be associated with the presence of anti-neutrophil cytoplasmic antibodies (ANCA), that is Wegener's granulomatosis, microscopic polyangiitis and Churg-Strauss syndrome. It will examine the clinical characteristics of these diseases, the use of ANCA in diagnosis and monitoring of disease along with current and novel treatment strategies. The immunopathology of the ANCA-associated vasculitides will also be explored reviewing the roles of ANCA, neutrophils, T cells and apoptosis in the production of disease.
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Abstract
OBJECTIVE In response to provisions of the Omnibus Budget Reconciliation Act of 1987 that sought to reduce the number of mentally ill persons in nursing homes, the Illinois Department of Human Services in 1989 developed small-scale residential treatment programs known as community integrated living arrangements. This study examined satisfaction with residential services and days of hospitalization among residents of these facilities. METHODS Seventy-four residents from nine randomly selected community integrated living arrangement facilities were surveyed with the Quality of Life Interview to determine their satisfaction with their residence. Data on hospitalization before and after program placement were obtained from residents' charts and from an Illinois Department of Human Services database on utilization of state-operated facilities. RESULTS Residents of community integrated living arrangement facilities had a mean rating of satisfaction with their residence of 5.2, "mostly satisfied," on a scale from 1 to 7. Residents with continuous supervision and those with intermittent supervision were equally pleased with their living arrangements. Residents' hospital use decreased from a mean of 47.7 days during the year before program placement to 5.3 days during their first year in the program. CONCLUSIONS The level of satisfaction with the community integrated living arrangement residences was fairly high and was comparable to levels reported in related research on independent living arrangements. The decrease in residents' hospital use in the year after program placement suggests that the community integrated living arrangements help maintain severely mentally ill individuals in the community.
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Interleukin-8, aquaporin-1, and inducible nitric oxide synthase in smoke and burn injured sheep treated with percutaneous carbon dioxide removal. ASAIO J 2001; 47:365-71. [PMID: 11482488 DOI: 10.1097/00002480-200107000-00014] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
We previously showed that a percutaneous arteriovenous gas exchanger was effective in removing CO2 and reversing respiratory failure in an ovine model of adult respiratory distress syndrome (ARDS) produced by smoke inhalation and burn injury (Alpard et al., Ann Surg 230:215-224, 1999). In this study, we tested the hypothesis that arteriovenous CO2 removal (AVCO2R) lessened endogenous inflammation in the lung. Myeloperoxidase activity, aquaporin-1 (AQP-1), interleukin-8 (IL-8), and inducible nitric oxide synthase mRNAs as well as aquaporin-1, and IL-8 protein were measured in ovine lung tissue. Lung tissue was taken at 96 h (time of sacrifice) from animals with combined smoke inhalation and 40% third degree dermal burn and subsequently treated with AVCO2R or sham (ventilator alone) after onset of ARDS (PaO2:FiO2 ratio of < 200). Myeloperoxidase activity was 1.862 +/- 0.302 U/mg protein in the ventilator group and 0.830 +/- 0.141 in the AVCO2R plus ventilator group. AQP-1 mRNA was 140,482 +/- 31,702 copies/microg total RNA in the ventilator group and 61,854 +/- 22,433 copies/microg total RNA in the AVCO2R plus ventilator group (p = 0.076). mRNA for IL-8 mRNA in the ventilator alone treated animals was 74,000 +/- 3,300 copies/microg total RNA compared to < 1,000 copies/microg total RNA in the ventilator plus AVCO2R group. This result was highly significant (p < 0.001) Inducible nitric oxide synthase mRNA was 7,853 +/- 2,229 copies/microg total RNA for the AVCO2R group and 5,854 +/- 2,070 copies/microg total RNA for the ventilator managed animals. These differences were not statistically significant (p = 0.54). Percutaneous AVCO2R produced a specific decrease in IL-8 in the smoke and burn injured animals. Furthermore, this effect was consistent with cell signaling mechanisms that increase the expression of IL-8 by cyclic stretching and the observed reduction in the number of neutrophils in the lung parenchyma. Therefore, we speculate that the mechanism by which CO2 removal exerts a beneficial effect may be due to both decreases in ventilatory requirements, with an accompanying reduction in alveolar stretching, and reduction of neutrophil numbers in lung tissue.
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Abstract
A 49-year-old man presented with intermittent hemoptysis from a traumatic pulmonary artery pseudoaneurysm 30 years following a thoracic gunshot wound. The patient was asymptomatic for 28.5 years, when he began experiencing recurrent hemoptysis, chest pain, and a cough. A left lower lobe mass on chest x-ray film was investigated with contrast-enhanced computed tomography and pulmonary angiogram confirming a 1.5-cm pseudoaneurysm. Intraluminal coil embolization was attempted, but a left lower lobectomy was ultimately necessary to treat persistent hemoptysis.
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Abstract
Congenital giant intrapericardial aneurysms of the left atrium are rare. A 17-year-old boy presented with paroxysmal episodes of palpitations, chest pain, and dyspnea. A chest roentgenogram showed an enlarged left cardiac silhouette. Transthoracic echocardiography imaging showed an intrapericardial aneurysm of the left atrium. Cardiac magnetic resonance imaging confirmed the diagnosis and delineated adjacent structures to plan the surgical resection. We have found no previous reports of cases of diagnosis and preoperative assessment based solely on noninvasive imaging.
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Image-Guided Fine Needle Aspiration Strategies for Staging of Lung Cancer. Clin Lung Cancer 2000; 2:101-10; discussion 111-2. [PMID: 14740612 DOI: 10.3816/clc.2000.n.022] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Image-guided transthoracic, bronchoscopic, and endoscopic ultrasound fine needle aspiration (FNA) greatly facilitates lung cancer staging by having the potential to precisely biopsy lung lesions and virtually all mediastinal lymph node stations. Imaging modalities alone, including chest x-ray, computed tomography (CT), magnetic resonance imaging, and positron emission tomography identify lesions suspicious for cancer but cannot make a tissue diagnosis. We describe an algorithm for the diagnosis and tumor-node-metastasis staging of lung cancer that uses procedures with the least invasiveness and cost with the highest diagnostic yields. For the anterior mediastinum, fluoroscopic-, ultrasound-, or CT-guided transthoracic FNA (which has a greater yield than bronchoscopy and is less invasive than mediastinoscopy) should be the primary technique for lymph node sampling. In the middle mediastinum, CT-guided transthoracic FNA is preferred for all nodal stations except subcarinal. Endoscopic ultrasound-guided FNA (EUS-FNA), which enables real-time biopsies within 5 cm of the esophagus, is preferred for sampling subcarinal and posterior mediastinal nodes because the yield is similar to CT-guided transthoracic FNA, with minimal risk of pneumothorax. The posterior mediastinum is also accessed by fluoroscopic- or CT-guided transthoracic FNA or video-assisted thoracic surgery. Sampling of the aorticopulmonary window depends on lymph node size; if the nodes are large enough to displace the aortic arch and pulmonary vein, then EUS-FNA is attempted, and if the nodes are not sufficiently enlarged, CT-guided transthoracic FNA should be performed prior to thoracoscopy or thoracotomy.
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[Paraplegia episodes revealing tuberculous myelitis]. Rev Neurol (Paris) 2000; 156:661-4. [PMID: 10891803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
A 38 year-old woman, without previous medical history, presented, since 1993, several paraplegic fits carrying herself progressively through to a severe paraplegia. Diagnoses successively proposed were spinal cord compressions by slipped discs, spinal cord infarct and multiple sclerosis. In November 1998, the patient presented back pain and fever. Spinal cord magnetic resonance imaging (MRI) revealed a mildly enlarged dorsal cord with signal abnormalities. The lesions were isointense on T1-weighted images, hyperintense on T2-weighted images and showed a ringlike contrast enhancement. A lumbar puncture showed a trouble cerebrospinal fluid (CSF) with leucocytes 600/mm(3) (85 p.100 polynuclear), protein 6.7 g/l, glucose 0.26 g/l, chloride 109 mmol/l. The patient was first treated with parenteral unspecific antibiotherapy. Microbiological studies of blood and CSF were negative. CSF examination with polymerase chain reaction (PCR) was positive for Mycobacterium tuberculosis. Clinical (pain and fever) symptoms and CSF abnormalities decreased after antituberculous treatment. However, paraparesis remain severe. Spinal tuberculous localizations often lead to diagnostic and therapeutic errors. Improvement of spinal cord MRI sequences and using of PCR technics in CSF would contribute to reduce these difficulties.
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Molecular epidemiology of tuberculosis in the Nord Department of France during 1995. TUBERCLE AND LUNG DISEASE : THE OFFICIAL JOURNAL OF THE INTERNATIONAL UNION AGAINST TUBERCULOSIS AND LUNG DISEASE 2000; 79:361-6. [PMID: 10694980 DOI: 10.1054/tuld.1999.0224] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
In order to determine the current situation and to evaluate the human to human transmission of Mycobacterium tuberculosis in Northern France, the genetic polymorphism of strains was studied by using IS6110 fingerprint. One hundred and fifty-eight cases of bacteriologically confirmed tuberculosis were analyzed. One hundred and twenty-six patients (82%) were infected with genetically different isolates and 28 isolates (18%) were grouped into 14 clusters. No risk factors for recent Mycobacterium tuberculosis infections such as age, HIV status, immigrants, living in big cities were identified. This study shows that there was no major epidemic situation of tuberculosis in Northern France in 1995. Tuberculosis was characterized by a low proportion of HIV positive patients and a high proportion of elderly patients.
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Evaluating Electronic Information Strategies in a Master of Science in Nursing and Master in Health Services Administration Interdisciplinary Learning Experience. J Nurs Educ 2000; 39:94-6. [PMID: 10688469 DOI: 10.3928/0148-4834-20000201-13] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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[Atypical presentation of tuberculosis in the elderly: a case report of pleuropericarditis]. Rev Med Interne 2000; 21:187-90. [PMID: 10703076 DOI: 10.1016/s0248-8663(00)88249-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
INTRODUCTION The incidence of tuberculosis is increasing, particularly in the elderly, and has various clinical presentations. EXEGESIS We describe the case of a 78-year-old woman who presented tuberculous pleuropericarditis. This case is atypical, due to infection localisation, negativity of the tuberculin skin test, and mixed pleural effusion. Following antituberculosis antibiotic therapy and corticotherapy, the outcome was favorable. CONCLUSION Due to atypical and non-specific clinical presentation, diagnosis of tuberculosis may be particularly difficult in the elderly.
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