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On moving targets and magic bullets: Can the UK lead the way with responsible data linkage for health research? Int J Med Inform 2015; 84:933-40. [PMID: 26342668 PMCID: PMC4595999 DOI: 10.1016/j.ijmedinf.2015.08.011] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2014] [Revised: 08/19/2015] [Accepted: 08/20/2015] [Indexed: 11/24/2022]
Abstract
We explore key elements of good governance in health linkage. Adaptive reflexive governance models are essential. Two examples illustrate how we can achieve standardisation of practice. Distinct elements of governance compiled in a composite fashion tend to challenges.
Purpose To provide an overview of essential elements of good governance of data linkage for health-related research, to consider lessons learned so far and to examine key factors currently impeding the delivery of good governance in this area. Given the considerable hurdles which must be overcome and the changing landscape of health research and data linkage, a principled, proportionate, risk-based approach to governance is advocated. Discussion In light of the considerable value of data linkage to health and well-being, the United Kingdom aspires to design and deliver good governance in health-related research. A string of projects have been asking: what does good governance look like in data linkage for health research? It is argued here that considerable progress can and must be made in order to develop the UK’s contribution to future health and wealth economies, particularly in light of mis-start initiatives such as care.data in NHS England. Discussion centres around lessons learned from previous successful health research initiatives, identifying those governance mechanisms which are essential to achieving good governance. Conclusion This article suggests that a crucial element in any step-increase of research capability will be the adoption of adaptive governance models. These must recognise a range of approaches to delivering safe and effective data linkage, while remaining responsive to public and research user expectations and needs as these shift and change with time and experience. The targets are multiple and constantly moving. There is not – nor should we seek – a single magic bullet in delivering good governance in health research.
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Angiotensin Converting Enzyme 1 (ACE1) Knockdown in the Median Preoptic Nucleus (MnPO) Attenuates Downstream Neural Activation following Chronic Intermittent Hypoxia. FASEB J 2015. [DOI: 10.1096/fasebj.29.1_supplement.984.15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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AT1a Receptor Upregulation in the MnPO Following CIH Leads to Sustained Hypertension. FASEB J 2015. [DOI: 10.1096/fasebj.29.1_supplement.984.14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Development of the new Australian survey specific database AUSNUT 2011–13. JOURNAL OF NUTRITION & INTERMEDIARY METABOLISM 2014. [DOI: 10.1016/j.jnim.2014.10.204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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How well is the National Cervical Screening Program performing for Indigenous Australian women? Why we don't really know, and what we can and should do about it. Eur J Cancer Care (Engl) 2014; 23:716-20. [DOI: 10.1111/ecc.12244] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/13/2014] [Indexed: 11/29/2022]
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Chromosome 9p deletion in clear cell renal cell carcinoma predicts recurrence and survival following surgery. Br J Cancer 2014; 111:1381-90. [PMID: 25137021 PMCID: PMC4183850 DOI: 10.1038/bjc.2014.420] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2014] [Revised: 06/25/2014] [Accepted: 07/01/2014] [Indexed: 11/23/2022] Open
Abstract
Background: Wider clinical applications of 9p status in clear cell renal cell carcinoma (ccRCC) are limited owing to the lack of validation and consensus for interphase fluorescent in situ hybridisation (I-FISH) scoring technique. The aim of this study was to analytically validate the applicability of I-FISH in assessing 9p deletion in ccRCC and to clinically assess its long-term prognostic impact following surgical excision of ccRCC. Methods: Tissue microarrays were constructed from 108 renal cell carcinoma (RCC) tumour paraffin blocks. Interphase fluorescent in situ hybridisation analysis was undertaken based on preset criteria by two independent observers to assess interobserver variability. 9p status in ccRCC tumours was determined and correlated to clinicopathological variables, recurrence-free survival and disease-specific survival. Results: There were 80 ccRCCs with valid 9p scoring and a median follow-up of 95 months. Kappa statistic for interobserver variability was 0.71 (good agreement). 9p deletion was detected in 44% of ccRCCs. 9p loss was associated with higher stage, larger tumours, necrosis, microvascular and renal vein invasion, and higher SSIGN (stage, size, grade and necrosis) score. Patients with 9p-deleted ccRCC were at a higher risk of recurrence (P=0.008) and RCC-specific mortality (P=0.001). On multivariate analysis, 9p deletion was an independent predictor of recurrence (hazard ratio 4.323; P=0.021) and RCC-specific mortality (hazard ratio 4.603; P=0.007). The predictive accuracy of SSIGN score improved from 87.7% to 93.1% by integrating 9p status to the model (P=0.001). Conclusions: Loss of 9p is associated with aggressive ccRCC and worse prognosis in patients following surgery. Our findings independently confirm the findings of previous reports relying on I-FISH to detect 9p (CDKN2A) deletion.
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FRI0093 A Systematic Analysis of the Safety of Prescribing of Anti-Rheumatic, Immunosuppressive and Biologic Drugs in Men Trying to Conceive. Ann Rheum Dis 2014. [DOI: 10.1136/annrheumdis-2014-eular.4289] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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OP0120 A Systematic Analysis of the Safety of Prescribing Anti-Rheumatic Immunosuppressive and Biologic Drugs in Pregnant Women with Inflammatory Arthritis: Table 1. Ann Rheum Dis 2014. [DOI: 10.1136/annrheumdis-2014-eular.5548] [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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SU-E-J-61: Electrodynamics and Nano-Scale Fluid Dynamics in Protein Localization of Nuclear Pore Complexes. Med Phys 2014. [DOI: 10.1118/1.4888113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Angiotensin II receptor type‐1a knockdown in subfornical organ prevents sustained increase in mean arterial pressure associated with chronic intermittent hypoxia (686.20). FASEB J 2014. [DOI: 10.1096/fasebj.28.1_supplement.686.20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Src‐kinase mediates angiotensin II‐induced potentiation in TRPV4 agonist‐evoked calcium transients in hypothalamic immortalized neuronal cell line 4B (860.25). FASEB J 2014. [DOI: 10.1096/fasebj.28.1_supplement.860.25] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Contribution of the MnPO Angiotensin Receptors to Brain Stem Activity and Hypertension (LB734). FASEB J 2014. [DOI: 10.1096/fasebj.28.1_supplement.lb734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Brain‐derived neurotrophic factor causes chloride gradient collapse in supraoptic neurons inducing vasopressin‐mediated blood pressure increase (LB847). FASEB J 2014. [DOI: 10.1096/fasebj.28.1_supplement.lb847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Abstract
INTRODUCTION Von Hippel Lindau (VHL) disease is a syndrome that is defined by variety of tumours such as cerebellar haemangioblastomas, renal cell carcinomas, phaeochromocytomas, pancreatic adenomas and ear, nose and throat (ENT) adenomas. This disease is often genetic and inherited in an autosomal dominant fashion, and can present in childhood, adolescence or adult life. This study describes the presentation, natural history and manifestations of patients attending our institutions with this condition. We aim to highlight the importance of screening in diagnosing the manifestations of VHL. METHODS A retrospective review was performed on all patients diagnosed with VHL and coded as such by the national Hospital Inpatient Enquiry Scheme at Beaumont Hospital Dublin and Cork University Hospital. This was performed over a 20 years period between 1989 and 2009. Age, sex, mode of presentation, presence or absence of end stage kidney disease and genotype were documented. Presence or absence of the characteristic tumours of VHL was also recorded, as were the initial presenting features of these tumours. RESULTS Thirty-six patients were diagnosed with VHL. These patients ranged from 18 to 78 years old. Three patients were members of the Irish travelling community. The most frequent mode of presentation was altered neurological signs (40%), with a significant proportion presenting with haematuria (23%). Patients diagnosed prior to 1995 were more likely to have presented with significant complications of VHL, while those diagnosed after this time were more likely to have been diagnosed via screening. Genetic testing was performed on 17 patients; those who did not have genetic testing performed were more likely to have been diagnosed prior to the era of genetic testing. Thirty-one patients had received screening for complications of VHL including renal cell carcinomas, central nervous system (CNS) haemangioblastomas and phaeochromocytomas. The patients who did not receive any screening presented with neurological symptoms. CONCLUSION Beaumont Hospital Dublin and Cork University Hospital are tertiary referral centres for nephrology, urology and neurosurgery and deals with a significant proportion of patients diagnosed with VHL in Ireland. This study highlights the significant burden of this illness and emphasizes the importance of screening for these renal/CNS and ENT complications. This study also highlights the importance of family screening in diagnosing this condition.
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Using Popular Culture to Improve Patient Satisfaction. J Acad Nutr Diet 2013. [DOI: 10.1016/j.jand.2013.06.181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Autism in Glasgow: cumulative incidence and the effects of referral age, deprivation and geographical location. Child Care Health Dev 2013; 39:688-94. [PMID: 22040464 DOI: 10.1111/j.1365-2214.2011.01340.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND Referrals to the Greater Glasgow Community Autism Team (CAT) made before the child's sixth birthday were analysed to obtain an estimation of the proportion of children in Greater Glasgow with childhood autism and investigate whether there were any variations in diagnosis rates, or in age at referral and diagnosis, depending on deprivation or geographical location. METHODS An analysis was made of the database recording referrals to Greater Glasgow CAT, between 2004 and 2007 inclusive, of children referred by age 6 years, comprising 584 cases. Cumulative incidence was calculated for childhood autism. Ages at referral and diagnosis were also analysed. RESULTS For this subset of children, there were 246 diagnosed cases of childhood autism, a cumulative incidence from 2004 until 2007 of 11.1 per year per 10,000 children aged 0-6 years. Of children with an eventual diagnosis of autism by age 6, 72% were referred by the age of 4 years. Deprivation was found to have an association with referral and diagnostic rates, with higher rates seen in the most deprived. There was geographical variation in the cumulative incidence of autism. CONCLUSION Given that the populations were not known to differ in any manner that would lead to a true variation, the geographical variation in the cumulative incidence of autism in children up to 6 years in Greater Glasgow observed in this study is likely to represent differences in the care pathway between areas. Such differences may also explain the observed association with deprivation. Reasons for the variation are being explored.
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Translating tuberculosis research into global policies: the example of an international collaboration on diagnostics. Int J Tuberc Lung Dis 2012; 15:1283-93. [PMID: 22283885 DOI: 10.5588/ijtld.11.0297] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Using the example of an international collaboration on tuberculosis (TB) diagnostics, we mapped the key stages and stakeholders involved in translating research into global policies. In our experience, the process begins with advocacy for high-quality, policy-relevant research and appropriate funding. Following the assessment of current policy and the identification of key study areas, policy-relevant research questions need to be formulated and prioritised. It is important that a framework for translating evidence into policy at the target policymaking level, in this case global, is available to researchers. This ensures that research questions, study designs and research standards are appropriate to the type and quality of evidence required. The framework may evolve during the period of research and, as evidence requirements may change, vigilance is required. Formal and informal multi-stakeholder partnerships, as well as information sharing through extensive networking, facilitate efficient building of a broad evidence base. Coordination of activities by an international, neutral body with strong convening powers is important, as is regular interaction with policy makers. It is recognised that studies on diagnostic accuracy provide weak evidence that a new diagnostic will improve patient care when implemented to scale in routine settings. This may be one reason why there has been poor uptake of new tools by national TB control programmes despite global policy recommendations. Stronger engagement with national policy makers and donors during the research-intopolicy process may be needed to ensure that their evidence requirements are met and that global policies translate into national policies. National policies are central to translating global policies into practice.
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The TDR Tuberculosis Strain Bank: a resource for basic science, tool development and diagnostic services. Int J Tuberc Lung Dis 2012; 16:24-31. [PMID: 22236841 DOI: 10.5588/ijtld.11.0223] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The Special Programme for Research and Training in Tropical Diseases recently launched a Mycobacterium tuberculosis strain bank (TDR-TB Strain Bank). OBJECTIVE To describe the TDR-TB Strain Bank, the characterisation of strains, bank management and the procedure for releasing materials. RESULTS The TDR-TB Strain Bank consists of 229 clinical M. tuberculosis isolates (single-colony derived cultures) plus five mycobacterial reference strains for purposes of identification. These are available as freeze-dried, viable strains or as heat-inactivated bacterial suspensions, quality controlled for purity, viability and authenticity. Isolates originated from diverse geographical settings and were selected for their resistance profiles against first- and second-line drugs. Low and high levels of resistance were determined by the minimum inhibitory concentrations of isoniazid, rifampicin, ethambutol, streptomycin, ofloxacin, kanamycin, capreomycin, ethionamide and para-aminosalicylic acid. Sequencing for drug resistance mutations was performed on the relevant sections of the rpoB, katG, inhA, embB, rpsL, rrs, gyrA and gyrB genes. Typing using lineage-defining loci of mycobacterial interspersed repetitive unit-variable number tandem repeats indicated that the most important genetic lineages were represented. CONCLUSIONS The TDR-TB Strain Bank is a high quality bioresource for basic science, supporting the development of new diagnostics and drug-resistant detection tools and providing reference materials for laboratory quality management programmes.
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Francis Patrick Marsh. West J Med 2012. [DOI: 10.1136/bmj.e1052] [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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If it takes the young to survive, who exactly is that? TEXAS NURSING 2012; 86:6-9. [PMID: 23094346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
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O-25 - Variations in PDYN sequence are associated with negative craving in alcohol dependent subjects. Eur Psychiatry 2012. [DOI: 10.1016/s0924-9338(12)74125-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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Increased use of pre-operative imaging and laparoscopy has no impact on clinical outcomes in patients undergoing appendicectomy. Ann R Coll Surg Engl 2011; 93:620-3. [PMID: 22041239 PMCID: PMC3566688 DOI: 10.1308/003588411x13165261994076] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/01/2011] [Indexed: 12/14/2022] Open
Abstract
INTRODUCTION The aim of this study was to review changes in the management of acute appendicitis in a ten-year period at a large university teaching hospital in London. METHODS This was a retrospective cohort study reviewing the medical records of patients who underwent an appendicectomy over a period of 12 months either in 1999 or 2009. Data collected included use of radiological investigations (ultrasonography, computed tomography [CT]), technique of appendicectomy (open [OA] or laparoscopic [LA]), operative time, histopathology and post-operative complications. Univariate and multivariate analysis was performed to assess the influence of variables on the incidence of negative appendicectomy, appendiceal perforation and post-operative complications. RESULTS All of the patients operated on in 1999 (n=109) had OA. Of the patients operated on in 2009 (n=164), 67 had OA, 91 had LA and 6 had LA converted to OA. None of the patients in 1999 had CT whereas in 2009 26% of patients had CT (sensitivity 94.7%, specificity 75.0%). This increased use of pre-operative imaging had no effect on negative appendicectomy (25.7% vs 12.8%, p=0.445), perforation (30.0% vs 21.3%, p=0.308) or complication rates (9.2% vs 10.4%). The complication rate was also similar regardless of whether patients had OA or LA (11.9% vs 9.9%). Multivariate analysis revealed that age was the only predictor of negative appendicectomy (p=0.029) or perforation (p=0.014). CONCLUSIONS This study shows that significant increase in the use of pre-operative imaging and laparoscopy in the management of patients with acute appendicitis failed to reduce negative appendicectomy, perforation and complications rates. The patient's age was the only predictor of negative appendicectomy and perforation.
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144 speaker INTERNATIONAL INCIDENT REPORTING: LESSONS FROM ROSIS. Radiother Oncol 2011. [DOI: 10.1016/s0167-8140(11)70266-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Case of Traumatic Tetanus Successfully Treated by Calabar Bean. BRITISH MEDICAL JOURNAL 2011; 1:450. [PMID: 20747455 DOI: 10.1136/bmj.1.692.450] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Differences in scapular and humeral head position between swimmers and non-swimmers. Scand J Med Sci Sports 2011; 21:206-14. [DOI: 10.1111/j.1600-0838.2009.01039.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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The TDR Tuberculosis Specimen Bank: a resource for diagnostic test developers. Int J Tuberc Lung Dis 2010; 14:1461-1467. [PMID: 20937188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023] Open
Abstract
BACKGROUND The Special Programme for Research and Training in Tropical Diseases established a specimen bank in 1999 to support the development and evaluation of new tuberculosis (TB) diagnostic tools. OBJECTIVE To provide a narrative of the bank's development and discuss lessons learned, the bank's limitations and potential future applications. RESULTS Collection sites were selected in high- and low-prevalence settings. Patients with TB symptoms, consenting to participate and to undergo human immunodeficiency virus testing were enrolled and diagnosed. Serum, sputum, saliva and urine samples were collected and sent to the bank's repositories. The bank has stocked 41,437 samples from 2524 patients at 11 sites worldwide. Ninety-five requests for specimens have been reviewed and 67 sets have been approved. Approved applicants have received sets of 20 or 200 samples. The bank allowed an evaluation of 19 commercial lateral flow tests and showed that none of them had broad global utility for TB diagnosis. CONCLUSIONS The establishment and development of the specimen bank have provided a wealth of experience. It is fulfilling a need to provide quality specimens, but the type and number of samples may not fulfil the demands of future end-users. Plans are underway to review the mechanisms of specimen collection and distribution to maximise their impact on product development.
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Extracorporeal membrane oxygenation for diffuse alveolar hemorrhage and severe hypoxemic respiratory failure from silicone embolism. Perfusion 2010; 25:249-52; discussion 253-4. [DOI: 10.1177/0267659110375327] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Liquid silicone is an inert material that may be used for cosmetic procedures by physicians as well as illegally by non-medical personnel. The use of silicone may result in severe complications, disfigurement, and even death. In addition, the indications for extracorporeal membrane oxygenation (ECMO) support have been increasing as a salvage therapy for a variety of life-threatening conditions. The patient is a 27-year-old woman with no significant medical conditions who developed silicone emboli, and subsequent diffuse alveolar hemorrhage after being injected with silicone in her gluteal region without medical supervision. She became profoundly hypoxemic and suffered a brief asystolic cardiac arrest in this setting. The patient was placed on veno-venous ECMO support for 14 days. Medical care during ECMO was complicated by pulmonary hemorrhage, hemothorax, pneumothorax, and blood clot, resulting in oxygenator change-out. A modified adult ECMO circuit (Jostra QuadroxD, Maquet Cardiopulmonary, Rastatt, Germany) was used to transport the patient from a nearby community affiliate hospital and then reconfigured for the medical intensive care unit on a standard HL-20 heart-lung console. Although the use of ECMO for severe hypoxemic respiratory failure has been widely reported, to our knowledge, this is the first reported successful use of ECMO for silicone embolism syndrome associated with diffuse alveolar hemorrhage and severe hypoxemic respiratory failure.
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Survey says: nurses' influence on health care is untapped. COLORADO NURSE (1985) 2010; 110:1-2. [PMID: 21941862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
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Survey says: nurses' influence on health care is untapped. TEXAS NURSING 2010; 84:12-13. [PMID: 20437895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
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Pancreas allograft thrombosis following intravenous immunoglobulin administration to treat parvovirus B19 infection. Transpl Infect Dis 2009; 11:463-6. [DOI: 10.1111/j.1399-3062.2009.00419.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Risk factors for cardiovascular disease do not fully explain differences in carotid intima-media thickness between Indigenous and European Australians without diabetes. Clin Endocrinol (Oxf) 2009; 71:189-94. [PMID: 19178512 DOI: 10.1111/j.1365-2265.2008.03445.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To investigate whether cardiovascular risk factors can explain the higher carotid intima-media thickness (CIMT) in Indigenous compared with European Australians. DESIGN Cross-sectional study in three subgroups. PATIENTS Non-diabetic urban European (n = 86), urban Indigenous (n = 69), and remote Indigenous (n = 60) Australians aged 25-64 years. MEASUREMENTS CIMT, age, sex, anthropometry, blood pressure, smoking status, fasting glucose and insulin, haemoglobin (Hb)A1c, homocysteine, C-reactive protein (CRP), lipids, urinary albumin and creatinine. RESULTS CIMT and levels of risk factors, except fasting glucose and total cholesterol, worsened across the three groups. Log(n) fasting insulin [beta = 0.022, 95% confidence interval (CI) 0-0.0439], age (beta = 0.006, 95% CI 0.004-0.007), gender (female beta = -0.005 vs. male, 95% CI -0.084 to -0.026), mean arterial pressure (MAP) (beta = 0.001, 95% CI 0.001-0.002) and ethnicity/location [urban Indigenous (beta = 0.027, 95% CI -0.010 to 0.064 vs. European); remote Indigenous (beta = 0.083, 95% CI 0.042-0.123 vs. European)] explained 41% of variance in CIMT. Significant interactions were seen for ethnicity/location with age (P = 0.014) and MAP (P = 0.018). Age was consistently associated with CIMT across the three populations, and was associated with larger increments in CIMT for the Indigenous subgroups (beta = 0.007, 95% CI 0.005-0.009 urban; beta = 0.007, 95% CI 0.004-0.010 remote) compared with Europeans (beta = 0.003, 95% CI 0.002-0.006) in models including age, sex and MAP. MAP was only associated with CIMT in the remote Indigenous subgroup. CONCLUSION After adjusting for selected risk factors, CIMT in remote Indigenous participants was still higher than in Europeans. The slope of the association between age and CIMT steepened from urban Europeans to remote Indigenous.
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Autoimmune pancytopenia following combination chemotherapy for chronic lymphocytic leukaemia: Figure 1. J Clin Pathol 2009; 62:468-70. [DOI: 10.1136/jcp.2008.061143] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Autoimmune haemolysis or thrombocytopenia can complicate purine nucleoside monotherapy for chronic lymphocytic leukaemia (CLL), but Evans syndrome is rare. This is a report of the occurrence of pancytopenia secondary to a unique combination of red cell aplasia with autoimmune thrombocytopenia and neutropenia in a patient with CLL following treatment with fludarabine and cyclophosphamide. This case is unusual for the simultaneous targeting of three haemopoietic lineages by immune dysfunction following fludarabine and cyclophosphamide, which is a treatment regimen believed to reduce autoimmune haematological toxicity in CLL.
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Abstract
BACKGROUND Researchers have developed scales assessing adults' trust beliefs in physicians and found that those are associated with measures of health behaviour and physical health. The purpose of the research was to develop a Children's Trust in General Physicians Scale (CTGPS) and examine its relation to health behaviour: adherence to medical regimes. METHODS The participants were 128 children (68 girls and 60 boys) in Study 1 and 198 children (105 girls and 93 boys) in Study 2 who attended years 5 and 6 of elementary school in UK (mean ages = 10 years and 10 months and 10 years and 7 months respectively). The children completed the nine-item CTGPS and reported their trust in doctors and (in Study 2) adherence to medical regimes. Parents also reported those behaviours. RESULTS Principal components analysis and confirmatory factor analysis of the CTGPS yielded the expected three factors: Honesty, Emotional and Reliability. The CTGPS had acceptable internal consistency and, as evidence for its validity, was associated with reported trust in doctors. The results from Study 2 confirmed that the CTGPS was associated with adherence to medical regimes. CONCLUSION A CTGPS was developed that is associated with adherence to medical regimes.
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Timing of nephrology referral: a study of its effects on the likelihood of transplantation and impact on mortality. Nephrology (Carlton) 2008. [DOI: 10.1046/j.1440-1797.7.s.15.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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A review of sedation for intractable distress in the dying. IRISH MEDICAL JOURNAL 2008; 101:87-90. [PMID: 18540549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Care of the dying can be a complex and challenging area of healthcare. For some patients as they enter the terminal phase of their illness and start to die, new symptoms can emerge, whilst other pre-existing symptoms become more troublesome. Occasionally despite intensive efforts and expert intervention these symptoms can remain uncontrolled. Within the specialty of palliative medicine such symptoms are known as refractory symptoms and there is the practice of using sedation therapy for the relief of such symptoms. This article will review the use of sedation to relieve refractory symptoms in the terminally ill.
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90
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91
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Fitness for duty: managing fatigue-related risk. TEXAS NURSING 2008; 82:4-5. [PMID: 18935905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
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92
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Food composition activities in the Oceania region. J Food Compost Anal 2007. [DOI: 10.1016/j.jfca.2007.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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93
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Far-infrared spectroscopic characterization of explosives for security applications using broadband terahertz time-domain spectroscopy. APPLIED SPECTROSCOPY 2007; 61:638-43. [PMID: 17650376 DOI: 10.1366/000370207781269701] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Broadband terahertz time-domain spectroscopy (THz-TDS) has been used to measure the far-infrared (FIR) vibrational spectra of several commonly used pure explosives, including 2,4,6-trinitrotoluene (TNT), 1,3,5-trinitroperhydro-1,3,5-triazine (RDX), 1,3-dinitrato-2,2-bis(nitratomethyl)propane (PETN), and two types of plastic explosive, SEMTEX and SX2. A number of distinct absorption peaks, originating from FIR-active vibrational modes of these polycrystalline energetic materials, were observed in the frequency range 0.3-7.5 THz (10-250 cm(-1)). In addition, the temperature-dependent FIR vibrational spectra of PETN were measured between 4 K and 296 K with several well-resolved absorption peaks observed across this temperature range. We find that as the temperature is reduced, the observed absorption peaks resolve into narrower features and shift towards higher frequencies. The temperature dependence of the spectra is explained in terms of the anharmonicity of the vibrational potentials of crystalline compounds, and an empirical fit is given to describe the peak shift with temperature.
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94
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Yield of serial sputum specimen examinations in the diagnosis of pulmonary tuberculosis: a systematic review. Int J Tuberc Lung Dis 2007; 11:485-95. [PMID: 17439669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/14/2023] Open
Abstract
Current international tuberculosis (TB) guidelines recommend the microscopic examination of three sputum specimens for acid-fast bacilli in the evaluation of persons suspected of having pulmonary TB. We conducted a systematic review of studies that quantified the diagnostic yield of each of three sputum specimens. By searching multiple databases and sources, we identified a total of 37 eligible studies. The incremental yield in smear-positive results (in studies using all smear-positive cases as the denominator) and the increase in sensitivity (in studies that used all culture-positive cases as the denominator) of the third specimen were the main outcomes of interest. Although heterogeneity in study methods and results presented challenges for data synthesis, subgroup analyses suggest that the average incremental yield and/or the increase in sensitivity of examining a third specimen ranged between 2% and 5%. Reducing the recommended number of specimens examined from three to two (particularly to two specimens collected on the same day) could benefit TB control programs, and potentially increase case detection for several reasons. A number of operational research issues need to be addressed. Studies examining the most effective and efficient means to utilize current technologies for microscopic examination of sputum would be most useful if they followed an internationally coordinated and standardized approach, both to strengthen the country-specific evidence base and to permit comparison among studies.
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95
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Vitamin D status and bone mass in UK South Asian women. Bone 2007; 40:1182; author reply 1183. [PMID: 17257915 DOI: 10.1016/j.bone.2006.12.051] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2006] [Accepted: 12/04/2006] [Indexed: 12/01/2022]
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96
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Increased carotid intima-media thickness in remote and urban Indigenous Australians: impact of diabetes and components of the metabolic syndrome. Clin Endocrinol (Oxf) 2007; 66:419-25. [PMID: 17302878 DOI: 10.1111/j.1365-2265.2007.02749.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
OBJECTIVE Indigenous Australians have rates of cardiovascular (CVD) mortality some seven to 10-fold higher than non-Indigenous Australians aged 25-64 years. We aimed to evaluate the impact of type 2 diabetes and components of the metabolic syndrome on carotid intima-media thickness (CIMT) as a marker of cardiovascular risk in Indigenous Australians living in remote and urban environments and in Australians of European ancestry. DESIGN, PATIENTS AND MEASUREMENTS CIMT was measured by high-resolution B-mode ultrasound imaging of the common carotid artery in 119 remote Indigenous, 144 urban Indigenous and 122 urban European Australians with and without diabetes. RESULTS In nondiabetic participants, CIMT was lowest in Europeans (mean (SD) 0.64 mm (0.10)), higher in urban Indigenous Australians (0.67 mm (0.12)) and highest in remote Indigenous Australians (0.73 mm (0.15), P < 0.001). CIMT was higher with diabetes with the same pattern observed between populations: 0.73 mm, 0.79 mm and 0.82 mm, respectively (P < 0.001). Traditional risk factors (age, male gender, blood pressure and HbA1c) explained 35-45% of the variance of CIMT within each population group. However, differences in CIMT between population groups were maintained after adjustment for these cardiovascular risks plus cholesterol and smoking (P < 0.001). Factor analysis revealed that variables of the metabolic syndrome, together with smoking and elevated C-reactive protein (CRP) and urinary albumin-creatinine ratio (ACR), are likely to explain the higher CIMT in Indigenous Australians (and the urban-remote gradient). Unmeasured variables (genetic, psychosocial and socioeconomic) may also contribute to higher CIMT in these populations. CONCLUSION Glycaemic control and metabolic syndrome components contribute significantly to premature atherogenesis in Indigenous Australians and we recommend that therapy should be targeted accordingly.
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Definition, evaluation, and classification of renal osteodystrophy: a position statement from Kidney Disease: Improving Global Outcomes (KDIGO). Kidney Int 2006; 69:1945-53. [PMID: 16641930 DOI: 10.1038/sj.ki.5000414] [Citation(s) in RCA: 1227] [Impact Index Per Article: 68.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Disturbances in mineral and bone metabolism are prevalent in chronic kidney disease (CKD) and are an important cause of morbidity, decreased quality of life, and extraskeletal calcification that have been associated with increased cardiovascular mortality. These disturbances have traditionally been termed renal osteodystrophy and classified based on bone biopsy. Kidney Disease: Improving Global Outcomes (KDIGO) sponsored a Controversies Conference on Renal Osteodystrophy to (1) develop a clear, clinically relevant, and internationally acceptable definition and classification system, (2) develop a consensus for bone biopsy evaluation and classification, and (3) evaluate laboratory and imaging markers for the clinical assessment of patients with CKD. It is recommended that (1) the term renal osteodystrophy be used exclusively to define alterations in bone morphology associated with CKD, which can be further assessed by histomorphometry, and the results reported based on a unified classification system that includes parameters of turnover, mineralization, and volume, and (2) the term CKD-Mineral and Bone Disorder (CKD-MBD) be used to describe a broader clinical syndrome that develops as a systemic disorder of mineral and bone metabolism due to CKD, which is manifested by abnormalities in bone and mineral metabolism and/or extra-skeletal calcification. The international adoption of these recommendations will greatly enhance communication, facilitate clinical decision-making, and promote the evolution of evidence-based clinical practice guidelines worldwide.
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Cancer diagnosis and treatment in the Northern Territory: assessing health service performance for indigenous Australians. Intern Med J 2006; 36:498-505. [PMID: 16866654 DOI: 10.1111/j.1445-5994.2006.01134.x] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Indigenous Australians with cancer are diagnosed with more advanced disease and have lower survival than other Australians. To investigate reasons for these differences. Retrospective cohort study of 1197 indigenous and nonindigenous people in the Northern Territory diagnosed with cancers of the colon and rectum, lung, breast, cervix and non-Hodgkin lymphoma between 1991 and 2000. Outcome measures were stage at diagnosis and relative risk of cancer death. Indigenous people compared with nonindigenous people had higher relative odds of advanced stage of cancer at diagnosis (relative odds 1.9, 95% CI 1.3-2.7) for four cancers but lower relative odds for lung cancer (relative odds 0.3, 95% CI 0.2-0.5). None of the potentially contributing factors examined could explain this difference. Risk of cancer death (adjusted for cancer type and age and stage at diagnosis) was higher in indigenous than in nonindigenous people (relative risk 1.7, 95% CI 1.4-2.1). This difference, however, was confined to indigenous people with an indigenous first language (relative risk 2.9, 95% CI 2.2-3.8). Adjustment for cancer treatment variables further reduced but did not eliminate this higher risk of death. Although more advanced stage at diagnosis appeared to be a sufficient explanation for poorer cancer outcome in indigenous people whose first language was English, poorer treatment also contributed to, but was still not sufficient to explain, poorer outcome in those who had an indigenous first language. Other factors, possibly including communication difficulties, knowledge of and attitudes to cancer symptoms and treatment and social and cultural 'distance' from mainstream health services, may also be involved.
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100
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Feasibility of testing core needle biopsies ex vivo in the ChemoFx assay. J Clin Oncol 2006. [DOI: 10.1200/jco.2006.24.18_suppl.20073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
20073 Background: Multiple chemotherapy options exist for the treatment of primary breast cancer. While response rates are good, many patients are treated with unnecessary or ineffective chemotherapy. Inadequate treatments are partly due to the lack of accurate predictors of response in individual patients. To predict an individual’s response to therapy, ex vivo chemosensitivity and resistance assays (CSRAs) have long been evaluated, but have been limited by technical difficulties, including the need for large (1–2 gm) amounts of fresh tissue. However, these problems have largely been overcome with new technology. Novel methods used in Precision Therapeutics’ ChemoFx assay allow for testing smaller amounts of tissue (35 mg). The reduced tissue requirement is crucial in the breast cancer setting, as the diagnosis is often made by percutaneous biopsy. The goals of the study were to determine the growth success rate of culturing epithelial cells from breast tissue core needle biopsies and the feasibility of testing the cells in the assay. Methods: A prospective feasibility study involving women with invasive primary breast cancer. One to four core needle biopsy specimens were collected using a 14 gauge needle (est. per patient yield <50 mg) and submitted to Precision Therapeutics. A primary culture of each specimen was established and the ex vivo chemoresponse profiles of each culture were evaluated. Drugs tested included capecitabine, cisplatin, cyclophosphamide, docetaxel, doxorubicin, epirubicin, etoposide, 5-fluorouracil, gemcitabine, irinotecan, paclitaxel, and vinorelbine. Results: 21 of 25 (84%, 95% CI: 68% to 97%) specimens grew successfully; all 21 were tested for chemoresponsiveness with the assay. Of the 4 subjects with unsuccessful ex vivo cultures, 2 had no growth, 1 failed plating for culture, and 1 failed IHC testing due to overgrowth of non-epithelial cells. The average number of drugs tested for each specimen was 7 (range: 1–15). Conclusions: This study demonstrates that core needle biopsies from primary breast tumors can be successfully cultured and tested for chemoresponsiveness using the ChemoFx assay. The ability to perform ex vivo chemoresponse testing on core needle biopsies greatly increases the utility of the assay in adjuvant or neoadjuvant primary breast cancer settings. [Table: see text]
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