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King D. ER. West J Med 2008. [DOI: 10.1136/bmj.a2785] [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]
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Cappione A, Zieske L, Lefebvre R, King D. 128 POSTER Unraveling therapeutic bio-signatures through pathway mapping at the single cell level using an analysis platform for simplified interrogation of complex data sets. EJC Suppl 2008. [DOI: 10.1016/s1359-6349(08)72060-3] [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] Open
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Wieser HG, Blume WT, Fish D, Goldensohn E, Hufnagel A, King D, Sperling MR, Lüders H, Pedley TA. Proposal for a New Classification of Outcome with Respect to Epileptic Seizures Following Epilepsy Surgery. Epilepsia 2008. [DOI: 10.1046/j.1528-1157.2001.35100.x] [Citation(s) in RCA: 73] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Monk SD, Joyce MJ, Jarrah Z, King D, Oppenheim M. A portable energy-sensitive cosmic neutron detection instrument. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2008; 79:023301. [PMID: 18315287 DOI: 10.1063/1.2835717] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
The construction and testing of a portable energy-sensitive neutron instrument are described. This instrument has been designed and constructed for the primary purpose of characterizing cosmic-ray neutron fields in the upper atmosphere and in cosmic reference field facilities. The instrument comprises a helium-3 proportional counter surrounded by 15 mm of lead and 140 mm of polyethylene creating a spherical structure with a diameter of 34 cm. The instrument also incorporates 12 boron-coated diodes, six on the outside of the polyethylene layer with six placed within the structure. The dimensions, materials, and arrangement of these in the instrument have previously been optimized with the MCNPX Monte Carlo simulation software to provide a compromise between the requirements of portability and spectral response. Testing took place at several locations and experimental data from the instrument's operation at the high-altitude Jungfraujoch laboratory in the Swiss alps are presented.
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King D. Towards greener hospitals. J R Soc Med 2007. [DOI: 10.1258/jrsm.100.12.539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Tenopir C, King D. Perceptions of value and value beyond perceptions: measuring the quality and value of journal article readings. ACTA ACUST UNITED AC 2007. [DOI: 10.1629/20199] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Bourennane H, King D, Couturier A, Nicoullaud B, Mary B, Richard G. Uncertainty assessment of soil water content spatial patterns using geostatistical simulations: An empirical comparison of a simulation accounting for single attribute and a simulation accounting for secondary information. Ecol Modell 2007. [DOI: 10.1016/j.ecolmodel.2007.02.034] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Threlfall AG, King D, Milsom KM, Blinkhom AS, Tickle M. General dental practitioner's views on dental general anaesthesia services. COMMUNITY DENTAL HEALTH 2007; 24:93-6. [PMID: 17615824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
OBJECTIVE Policy has recently changed on provision of dental general anaesthetic services in England. The aim of this study was to investigate general dental practitioners' views about dental general anaesthetics, the reduction in its availability and the impact on care of children with toothache. RESEARCH DESIGN Qualitative study using semi-structured interviews and clinical case scenarios. PARTICIPANTS General dental practitioners providing NHS services in the North West of England. RESULTS 93 general dental practitioners were interviewed and 91 answered a clinical case scenario about the care they would provide for a 7-year-old child with multiple decayed teeth presenting with toothache. Scenario responses showed variation; 8% would immediately refer for general anaesthesia, 25% would initially prescribe antibiotics, but the majority would attempt to either restore or extract the tooth causing pain. Interview responses also demonstrated variation in care, however most dentists agree general anaesthesia has a role for nervous children but only refer as a last resort. The responses indicated an increase in inequalities, and that access to services did not match population needs, leaving some children waiting in pain. CONCLUSIONS Most general dental practitioners support moving dental general anaesthesia into hospitals but some believe that it has widened health inequalities and there is also a problem associated with variation in treatment provision. Additional general anaesthetic services in some areas with high levels of tooth decay are needed and evidence based guidelines about caring for children with toothache are required.
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Jain M, Miller L, Belt D, King D, Berwick DM. Decline in ICU adverse events, nosocomial infections and cost through a quality improvement initiative focusing on teamwork and culture change. Qual Saf Health Care 2007; 15:235-9. [PMID: 16885246 PMCID: PMC2564008 DOI: 10.1136/qshc.2005.016576] [Citation(s) in RCA: 178] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BACKGROUND Nosocomial infections occur in approximately 10% of patients in intensive care units (ICUs). Several studies have shown that a quality improvement initiative can reduce nosocomial infections, mortality, and cost. CONTEXT Our hospital is located in Northern Mississippi and has a 28 bed Medical-Surgical ICU unit with 95% occupancy. We joined the ICU collaborative with the IMPACT initiative of the Institute of Healthcare Improvement (IHI) in October 2002. A preliminary prospective before (fiscal year (FY) 2001-2) and after (FY 2003) hypothesis generating study was conducted of outcomes resulting from small tests of change in the management of ICU patients. KEY MEASURES FOR IMPROVEMENT Nosocomial infection rates, adverse events per ICU day, average length of stay, and average cost per ICU episode. STRATEGY FOR CHANGE Four changes were implemented: (1) physician led multidisciplinary rounds; (2) daily "flow" meeting to assess bed availability; (3) "bundles" (sets of evidence based best practices); and (4) culture changes with a focus on the team decision making process. EFFECTS OF CHANGE Between baseline and re-measurement periods, nosocomial infection rates declined for ventilator associated pneumonia (from 7.5 to 3.2 per 1000 ventilator days, p = 0.04) and bloodstream infections (from 5.9 to 3.1 per 1000 line days, p = 0.03), with a downward trend in the rate of urinary tract infections (from 3.8 to 2.4 per 1000 catheter days, p = 0.17). There was a strong downward trend in the rates of adverse events in the ICU as well as the average length of stay per episode. From FY 2002 to FY 2003 the cost per ICU episode fell from $3406 to $2973. LESSONS LEARNED A systematic approach through collaboration with IHI's IMPACT initiative may have contributed to significant improvements in care in the ICU setting. Multidisciplinary teams appeared to improve communication, and bundles provided consistency of evidence based practices. The flow meetings allowed for rapid prioritization of activity and a new decision making culture empowered team members. The impact of these changes needs to be assessed more widely using rigorous study designs.
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Tan PL, King D, Durkin CJ, Meagher TM, Briley D. Diffusion weighted magnetic resonance imaging for acute stroke: practical and popular. Postgrad Med J 2006; 82:289-92. [PMID: 16597819 PMCID: PMC2579637 DOI: 10.1136/pgmj.2005.038299] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
AIM To evaluate the feasibility and impact of diffusion weighted magnetic resonance imaging (DW MRI) as the first line neuroimaging of stroke at a district general hospital. METHODS Prospective audit of all in-patients admitted with clinically suspected acute stroke and referred for imaging over a consecutive 17 week period. The data collected included scan type, time from cerebral event to imaging request, and time from formal radiological request to neuroimaging. Clinicians' (general physicians, neurologists, and radiologists) perceptions were assessed by a questionnaire. RESULTS 148 patients had neuroimaging for clinically suspected stroke during this period. Eighty one per cent of patients (120 of 148) had DW MRI as first line. Ninety two per cent of these patients had DW MRI within 24 hours of the formal radiological request. Twenty eight patients did not undergo DW MRI because lack of MRI safety, clinical state, unavailability because of maintenance service or lack of trained staff. Clinicians found the introduction of the DW MRI based service a significant improvement on computed tomography, especially for equivocal cases. CONCLUSION DW based MRI service is both feasible and sustainable in the setting of a district general hospital and most clinicians feel that this is a significant improvement to stroke services.
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Cassaday R, Sondel P, King D, Warner T, Bridges A, Gan J, Schalch H, Hank J, Mahvi D, Albertini M. Clinical and immunological analysis of melanoma patients receiving immunization using particle-mediated gene transfer of genes for gp100 and GM-CSF into uninvolved skin. J Clin Oncol 2006. [DOI: 10.1200/jco.2006.24.18_suppl.13033] [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
13033 Background: To investigate a new method of activating melanoma-specific immune responses, we examined in vivo particle-mediated gene transfer (PMGT) of cDNAs for gp100 and GM-CSF into uninvolved skin of melanoma patients (pts). We now report the analysis of a completed Phase I clinical study. Methods: Two treatment groups of 6 pts each were evaluated. Group I received PMGT with cDNA for gp100 during each 3 week cycle; Group II received PMGT with cDNA for GM-CSF followed 3 days later by PMGT for gp100 at the same site. PMGT used 0.25 ug DNA and 250 ug gold/treatment. Endpoints included vaccine toxicity, transgene expression, immunological activation, and antitumor effects. Results: No systemic toxicity could be attributed to the vaccines, while local toxicity in both groups included mild erythema and induration which resolved within 2 weeks. Monitoring for autoimmunity showed no induction of pathologic autoantibodies. Biopsies of vaccine sites obtained 2 days after the gp100 PMGT showed 16% of gold beads to be in the dermis in Group I vs 3% in Group II, suggesting the prior GM-CSF PMGT inhibited bead penetration (p < 0.001 by chi-square; each bead penetration was analyzed as an independent event). Biopsies in Group I obtained 2 days after vaccination showed 16% of beads in the dermis vs 22% after 4 days (p < 0.001 by chi-square; each bead penetration was analyzed as an independent event). Transgene expression in vaccinated skin sites was detected by ELISA (GM-CSF) and IHC (gp100). One of 4 HLA-A2+ subjects showed a 5 × 5-mm DTH response to gp100 peptide 210M after Cycle 1. Preliminary in vitro studies suggest minimal immunological activation. Of 4 pts who enrolled with no evidence of disease, 2 remain disease-free after 61–73 months of follow-up. Conclusions: PMGT with cDNA for gp100 and GM-CSF yields transgene expression in normal human skin with minimal local or systemic toxicity. Pathologic autoimmunity was not demonstrated. Bead concentration in the dermis increases over time, suggesting persistence of beads in this skin level. Conclusions related to melanoma-specific immune induction await T-cell and antibody studies. Supported in part by the UW General Clinical Research Center (M01 RR03186). No significant financial relationships to disclose.
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Bourennane H, Dère C, Lamy I, Cornu S, Baize D, van Oort F, King D. Enhancing spatial estimates of metal pollutants in raw wastewater irrigated fields using a topsoil organic carbon map predicted from aerial photography. THE SCIENCE OF THE TOTAL ENVIRONMENT 2006; 361:229-48. [PMID: 15993472 DOI: 10.1016/j.scitotenv.2005.05.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2004] [Accepted: 05/09/2005] [Indexed: 05/03/2023]
Abstract
Various approaches have been used to estimate metal pollutant element (TE) contents at unsampled locations in a 15-ha contaminated site located in the plain of Pierrelaye-Bessancourt (about 24 km Northwest of Paris). 87 samples of soil plough layer were randomly sampled at each mesh of a regular square grid over the whole study area and the total contents of Cd, Cr, Cu, Ni, Pb, and Zn were measured. A first set of 50 measurements, randomly selected from the 87 samples, was used for the prediction and another set of 37 measurements was kept for the validation. Topsoil organic carbon contents (SOC) were measured at 75 sites with 50 measurements sharing the same locations as TE. An aerial photography of the study area showing bare soils was selected for relating brightness intensities and SOC. Mapping procedures used were ordinary kriging (OK), cokriging (COK), collocated cokriging (CC), and kriging with external drift (KED). SOC maps used as exhaustively sampled information in KED and CC of TE were obtained by KED and CC procedures, respectively, accounting for 75 SOC measurements and the brightness intensities of numerical counts provided by the visible bands of the aerial photograph bare soils. Consequently, for each TE, four maps were generated: two maps resulting from KED and CC procedures (KED-SOC75P, CC-SOC75P), another one provided by standard cokriging (COK-TE50SOC75) accounting for TE prediction set plus 75 SOC measurements, and the last one corresponding to that estimated by ordinary kriging from only prediction set measurements (OK50). Three indices: (1) the mean prediction error (ME) and the mean absolute prediction error (|ME|); (2) the root mean square error (RMSE); and (3) the relative improvement (RI) of accuracy, as well as residuals analysis, were computed from the validation set (observed data) and predicted values. On the 37 test data, the results showed that the more accurate predictions were systematically those obtained by kriging accounting for SOC map predicted by KED from 75 SOC measurements and brightness values of the aerial photo (KED-SOC75P) followed closely by CC-SOC75P procedure, except for Cu and Zn where CC-SOC75P appeared to be slightly more accurate than KED-SOC75P. In regard to the RI of accuracy between prediction methods, the results confirmed once for all the benefit of accounting for SOC data set plus the exhaustively sampled information provided by the aerial photography regardless of the considered TE. Nevertheless, for Cd, Pb, and Zn, the RI of accuracy was less than 20% between the two most accurate methods (KED-SOC75P and CC-SOC75P) and standard cokriging in which the information provided by the aerial photography is ignored when mapping. The sensitivity of KED-SOC75P and CC-SOC75P approaches to the sampling density of the target variables (TE) was assessed using 10 random subsets of different sizes (25 and 33 observations) drawn from a prediction set that includes 50 data. Results have shown that the TE estimates by KED-SOC75P and CC-SOC75P approaches using only 25 TE samples were much more accurate than the estimates performed by OK50 and COK-TE50SOC75 approaches that use the whole samples of the prediction set. Moreover, the RI of accuracy was reduced by less than 15% if the original sampling density was reduced by a third.
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Banks M, Grierson S, Tucker D, Bailey M, Donadeau M, Sargent C, King D, Mellencamp M. Swine and circovirus. DEVELOPMENTS IN BIOLOGICALS 2006; 126:107-13; discussion 325-6. [PMID: 17058486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
In the 1990s Post-weaning, multi-systemic wasting syndrome (PMWS) emerged in N. America and Europe as a major disease problem with significant welfare and economic consequences for pig producers. The disease, characterised by wasting, respiratory, enteric and lymphoid system problems in pigs of 4-16 weeks of age, has since spread so that today it has a global distribution. PCV-2 is consistently associated with PMWS, is more abundant in association with PMWS and is considered by many to be the causative agent of the syndrome. However, several lines of evidence indicate that PCV-2 is necessary but not sufficient to cause the full range of clinical signs associated with PMWS, suggesting the involvement of an as yet unidentified factor or factors. The process of identifying unknown agents and their respective roles in the pathogenesis of complex syndromes now has an ever broadening spectrum of analytical techniques available. Immune phenotyping, cytokine responses, micro-array profiling, and proteomics are just some of the techniques available. This paper describes the philosophy and the application of these and classical techniques in an integrated, holistic manner to the problem of PMWS and circoviruses, by examination of samples collected from a prospective, clinical case-control study, and discusses some of the preliminary findings in relation to the efforts to understand the aetiopathogenesis of PMWS.
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Bunker N, Stone A, Higgins D, King D. The current practice of tracheostomy in the UK. Anaesthesia 2005; 60:933-4; author reply 934. [PMID: 16115262 DOI: 10.1111/j.1365-2044.2005.04344.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Vinod S, O'Connell D, King D, Armstrong B. P-344 Patterns of care for lung cancer in New South Wales, Australia:Preliminary results. Lung Cancer 2005. [DOI: 10.1016/s0169-5002(05)80838-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Larson T, Pawloski P, King D. Phase I study of epirubicin and irinotecan in the second line treatment of extensive stage (ES) small cell lung cancer (SCLC). J Clin Oncol 2005. [DOI: 10.1200/jco.2005.23.16_suppl.7261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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De Rossi A, Walker AS, Forni DD, Klein N, Gibb DM, Aboulker JP, Babiker A, Compagnucci A, Darbyshire J, Debré M, Gersten M, Giaquinto C, Gibb DM, Jones A, Aboulker JP, Babiker A, Blanche S, Bohlin AB, Butler K, Castelli-Gattinara G, Clayden P, Darbyshire J, Debré M, de Groot R, Faye A, Giaquinto C, Gibb DM, Griscelli C, Grosch-Wörner I, Levy J, Lyall H, Mellado Pena M, Nadal D, Peckham C, Ramos Amador JT, Rosado L, Rudin C, Scherpbier H, Sharland M, Tovo PA, Valerius N, Wintergerst U, Boucher C, Clerici M, de Rossi A, Klein N, Loveday C, Muñoz-Fernandez M, Pillay D, Rouzioux C, Babiker A, Darbyshire J, Gibb DM, Harper L, Johnson D, Kelleher P, McGee L, Poland A, Walker AS, Aboulker JP, Carrière I, Compagnucci A, Debré M, Eliette V, Leonardo S, Moulinier C, Saidi Y, Galli L, Foot A, Kershaw H, Caul O, Tarnow-Mordi W, Petrie J, McIntyre P, Appleyard K, Gibb DM, Novelli V, Klein N, McGee L, Ewen S, Johnson M, Gibb DM, Cooper E, Fisher T, Barrie R, Norman J, King D, Larsson-Sciard EL. Relationship between Changes in Thymic Emigrants and Cell-Associated HIV-1 Dna in HIV-1-Infected Children Initiating Antiretroviral Therapy. Antivir Ther 2005. [DOI: 10.1177/135965350501000104] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Objectives and methods To investigate the relationship between cell-associated HIV-1 dynamics and recent thymic T-cell emigrants, HIV-1 DNA and T-cell receptor rearrangement excision circles (TREC, a marker of recent thymic emigrants) were measured in peripheral blood mononuclear cells in 181 samples from 33 HIV-1-infected children followed for 96 weeks after antiretroviral therapy (ART) initiation. Results At baseline, HIV-1 DNA was higher in children with higher TREC ( P=0.02) and was not related to age, CD4 or HIV-1 RNA in multivariate analyses ( P>0.3). Overall, TREC increased and HIV-1 DNA decreased significantly after ART initiation, with faster HIV-1 DNA declines in children with higher baseline TREC ( P=0.009). The greatest decreases in HIV-1 DNA occurred in children with the smallest increases in TREC levels during ART ( P=0.002). However, this inverse relationship between changes in HIV-1 DNA and TREC tended to vary according to the phase of HIV-1 RNA decline ( P=0.13); for the same increase in TREC, HIV-1 DNA decline was much smaller during persistent or transient viraemia compared with stable HIV-1 RNA suppression. Conclusions Overall, these findings indicate that TREC levels predict HIV-1 DNA response to ART and suggest that immune repopulation by thymic emigrants adversely affects HIV-1 DNA decline in the absence of persistent viral suppression, possibly by providing a cellular source for viral infection and replication.
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Eden CG, King D, Kooiman GG, Adams TH, Sullivan ME, Vass JA. TRANSPERITONEAL OR EXTRAPERITONEAL LAPAROSCOPIC RADICAL PROSTATECTOMY: DOES THE APPROACH MATTER? J Urol 2004; 172:2218-23. [PMID: 15538235 DOI: 10.1097/01.ju.0000144640.26182.41] [Citation(s) in RCA: 73] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE : The greater accuracy of apical dissection and reconstruction in our first 100 patients undergoing transperitoneal laparoscopic radical prostatectomy (TLRP) was not matched by a proportionate increase in the rate of return to normal continence compared with our prior open prostatectomy experience. We postulated that greater bladder dysfunction due to the almost total bladder dissection mandated by TLRP might be responsible and this might be rectified by the adoption of laparoscopic radical prostatectomy using an extraperitoneal approach (ELRP). MATERIALS AND METHODS : A total of 100 patients undergoing TLRP were compared with 100 undergoing ELRP. The groups were subdivided into halves to investigate the influence of any learning curve effect. All patients had clinical stage T3aN0M0 or less prostate cancer and they were operated on by a single surgeon. RESULTS : Mean operative time (238.9 vs 190.6 minutes), blood loss (310.5 vs 201.5 ml), postoperative hospitalization (3.8 vs 2.6 nights) and catheterization duration (11.3 vs 10.1 days) were significantly greater in the TLRP group. After the first 50 cases were excluded in each group statistical significance persisted only for operative time (218.3 vs 184.2 minutes) and hospitalization (3.5 vs 2.5 nights). The pad-free rate was significantly lower 3 months following ELRP (80% vs 56%, p = 0.02). The overall 12-month pad-free rate for TLRP and ELRP was 90% and 96%, respectively. The overall 12-month erection rate for TLRP and ELRP was 61% and 82%, respectively. CONCLUSIONS : ELRP is superior to TLRP with respect to operative time, hospitalization and early continence.
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Vinsel J, McGlone∗ C, Brady M, Roman B, Kelly T, Seese P, Fogel J, Nelson G, Stackpole W, Stewart B, Kegley P, King D, Balint J. Central Line-Associated Bloodstream Infection Surveillance and Reduction Strategies across the Continuum of Care of a Tertiary-Care Pediatric Institution. Am J Infect Control 2004. [DOI: 10.1016/j.ajic.2004.04.158] [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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O'Donoghue K, Lomniczi B, McFerran B, Connor TJ, Seal B, King D, Banks J, Manvell R, White PS, Richmond K, Jackson P, Hugh-Jones M. Retrospective characterization of Newcastle Disease Virus Antrim '73 in relation to other epidemics, past and present. Epidemiol Infect 2004; 132:357-68. [PMID: 15061512 PMCID: PMC2870113 DOI: 10.1017/s0950268803001778] [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: 11/07/2022] Open
Abstract
In November 1973 Newcastle disease suddenly appeared in Northern Ireland, where the viscerotropic disease had not been seen in 3 1/2 years and the two Irelands had been regarded as largely disease free for 30 years. It was successfully controlled with only 36 confirmed affected layer flocks, plus 10 more slaughtered as 'dangerous contacts'. Contemporary investigations failed to reveal the source of the Irish epidemic. Using archival virus samples from most of the affected flocks, RT PCR was conducted with primers selected for all six NDV genes. Phylogenetic analyses of three genes, HN, M and F, confirmed vaccine as the cause of one of the outbreaks. The other six samples were identical and closely related to previous outbreaks in the United States and western Europe initiated by infected imported Latin American parrots. The probable cause of the epidemic followed from the importation from The Netherlands of bulk feed grains contaminated with infected pigeon faeces.
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Henderson MJ, King D, White JW. Time-dependent changes in the formation of titania-based films at the air-water interface. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2004; 20:2305-2308. [PMID: 15835688 DOI: 10.1021/la0303299] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
The growth of surfactant-assisted titanium dioxide-based films at the air-water interface previously reported (Henderson et al. Aust. J. Chem. 2003, 56, 933) has been monitored with a time resolution of minutes over the whole growth period by X-ray energy-dispersive reflectometry. Two new phenomena are described: (a) short-term shifts in the Bragg spacing of the layer structure and (b) the periodic disappearance of the diffraction from the film. We associate these with changes in the chemistry of the reacting mixture, with changes in the packing of the templated titanium species, and with macroscopic and (possibly) microscopic rippling of the solid film during growth.
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Conroy J, King D, Gibbon A. Isolated rupture of the popliteus tendon in a professional soccer player. Knee 2004; 11:67-9. [PMID: 14967332 DOI: 10.1016/s0968-0160(03)00065-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2002] [Accepted: 02/03/2003] [Indexed: 02/02/2023]
Abstract
We report an unusual case of an isolated intra-substance rupture of the popliteus tendon in a professional soccer player. The injury, sustained in a soccer tackle, was diagnosed on magnetic resonance imaging and subsequently confirmed on arthroscopic examination of the knee. The impinging proximal stump was debrided and the patient returned to playing competitive soccer within 6 weeks of surgery.
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Easterbrook PJ, Waters A, Murad S, Ives N, Taylor C, King D, Vyakarnam A, Thorburn D. Epidemiological risk factors for hypersensitivity reactions to abacavir. HIV Med 2003; 4:321-4. [PMID: 14525543 DOI: 10.1046/j.1468-1293.2003.00166.x] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
We investigated risk factors for hypersensitivity reactions (HSR) to abacavir in a case-control study. In a multivariate analysis, white race [odds ratio (OR), 5.16; 95% confidence interval (CI), 1.16-22.97] and a higher CD8 cell count at initiation of abacavir (>850 vs. < or =850 cells: OR, 3.74; 95% CI, 1.19-11.77) were found to be significantly associated with the development of HSR. Age, gender, stage of disease, prior antiretroviral exposure and type of concurrent antiretroviral therapy were not associated with HSR. Differences in predisposition to HSR according to ethnicity and baseline CD8 cell count may be explained by the reported MHC genetic associations with HSR.
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Boyle JR, Gibbs PJ, King D, Shearman CP, Raptis S, Phillips MJ. Predicting Outcome in Ruptured Abdominal Aortic Aneurysm: A Prospective Study of 100 Consecutive Cases. Eur J Vasc Endovasc Surg 2003; 26:607-11. [PMID: 14603419 DOI: 10.1016/s1078-5884(03)00380-0] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVES Case selection for surgery in patients presenting with ruptured abdominal aortic aneurysms (RAAA) is often difficult. A previous retrospective review identified five pre-operative risk factors associated with mortality [J Vasc Surg 23 (1996) 123]. In this study we aimed to identify whether these criteria could be usefully applied prospectively in patients presenting with RAAA. METHODS All patients presenting with RAAA from October 2000 to December 2002 were included. The criteria were recorded with the time they were available and the time surgery commenced. The decision to operate was made on clinical grounds and no patient was refused surgery on the basis of these criteria. RESULTS One hundred consecutive patients were studied, median age 75 (range 54-94). The operative mortality was 32.9% (26/79 patients). Surgical mortality increased with the number of positive criteria and was 8% (2/24), 24% (7/29), 55% (11/20) and 100% (6/6) for scores, 0, 1, 2 and > or =3, respectively. Age and conscious level were available in every patient. However, an ECG, haemoglobin and creatinine results were only available in 94, 81, and 69%, respectively. CONCLUSIONS The scoring system accurately predicted operative mortality. The score was available in the majority of cases and may help the surgeon give informed consent to patients and relatives prior to surgical intervention.
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