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King S, Khatri P, Carrozella J, Spilker J, Broderick J, Hill M, Tomsick T. Anterior cerebral artery emboli in combined intravenous and intra-arterial rtPA treatment of acute ischemic stroke in the IMS I and II trials. AJNR Am J Neuroradiol 2007; 28:1890-4. [PMID: 17898199 PMCID: PMC8134277 DOI: 10.3174/ajnr.a0702] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE Anterior cerebral artery (ACA) emboli may occur before or during fibrinolytic revascularization of middle cerebral artery (MCA) and internal carotid artery (ICA) T occlusions. We sought to determine the incidence and effect of baseline and new embolic ACA occlusions in the Interventional Management of Stroke (IMS) studies. MATERIALS AND METHODS Case report forms, pretreatment and posttreatment arteriograms, and CTs from 142 subjects entered into IMS I & II were reviewed to identify subjects with baseline ACA occlusion, new ACA emboli occurring during fibrinolysis, subsequent CT-demonstrated infarction in the ACA distribution, and to evaluate global and lower extremity motor clinical outcome. RESULTS During M1/M2 thrombolysis procedures, new ACA embolus occurred in 1 of 60 (1.7%) subjects. Baseline distal emboli were identified in 3 of 20 (15%) T occlusions before intra-arterial (IA) treatment, and new posttreatment distal ACA emboli were identified in 3 subjects. At 24 hours, 8 (32%) T occlusions demonstrated CT-ACA infarct, typically of small volume. Infarcts were less common following sonography microcatheter-assisted thrombolysis compared with standard microcatheter thrombolysis (P = .05). Lower extremity weakness was present in 9 of 10 subjects with ACA embolus/infarct at 24 hours. The modified Rankin 0 to 2 outcomes were achieved in 4 of 25 (16%) subjects with T occlusion overall, but in 0 of 10 subjects with distal ACA emboli or ACA CT infarcts (P = .07). CONCLUSIONS With IV/IA recombinant tissue plasminogen activator treatment for MCA emboli, new ACA emboli are uncommon events. Distal ACA emboli during T-occlusion thrombolysis are not uncommon, typically lead to small ACA-distribution infarcts, and may limit neurologic recovery.
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Tong S, Yang J, Yahnke C, Beatty R, King S, Erdman M. SU-FF-T-287: Measurement of Gamma Knife Collimator Factors Using Optically Stimulated Luminescence (OSL) Dosimeter. Med Phys 2007. [DOI: 10.1118/1.2760949] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Garrett-Superko B, Brown C, Wilmer C, Cantwell J, Jacobs C, Wickliffe C, King S, Superko H. PO16-449 WOMEN WITH CHD HAVE A WORSE METABOLIC PROFILE, COMPARED TO MEN, INDEPENDENT OF MEETING ATP III LIPID GOALS. ATHEROSCLEROSIS SUPP 2007. [DOI: 10.1016/s1567-5688(07)71459-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Superko H, Cheng S, Erlich H, King S, Garrett B, Voros S. PO5-120 GENOTYPE AND PHENOTYPE DIFFERENCES IN SUBJECTS WITH AND WITHOUT CORONARY CALCIFICATION ASSOCIATED WITH FACTORS NOT MEASURED BY STANDARD MEDICAL TESTS. ATHEROSCLEROSIS SUPP 2007. [DOI: 10.1016/s1567-5688(07)71130-3] [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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King GA, Law M, King S, Hurley P, Hanna S, Kertoy M, Rosenbaum P. Measuring children's participation in recreation and leisure activities: construct validation of the CAPE and PAC. Child Care Health Dev 2007; 33:28-39. [PMID: 17181750 DOI: 10.1111/j.1365-2214.2006.00613.x] [Citation(s) in RCA: 211] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
There is a need for psychometrically sound measures of children's participation in recreation and leisure activities, for both clinical and research purposes. This paper provides information about the construct validity of the Children's Assessment of Participation and Enjoyment (CAPE) and its companion measure, Preferences for Activities of Children (PAC). These measures are appropriate for children and youth with and without disabilities between the ages of 6 and 21 years. They provide information about six dimensions of participation (i.e. diversity, intensity, where, with whom, enjoyment and preference) and two categories of recreation and leisure activities: (i) formal and informal activities; and (ii) five types of activities (recreational, active physical, social, skill-based and self-improvement). This paper presents information about the performance of the CAPE and PAC activity type scores using data from a study involving 427 children with physical disabilities between the ages of 6 and 15 years. Intensity, enjoyment and preference scores were significantly correlated with environmental, family and child variables, in expected ways. Predictions also were supported with respect to differences in mean scores for boys vs. girls, and children in various age groups. The information substantiates the construct validity of the measures. The clinical and research utility of the measures are discussed.
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Bradley T, Bitnun A, Slorach C, Arneson C, Cheung M, Sochett E, McCrindle B, Read S, King S. P.013 LONGITUDINAL STUDY OF VASCULAR MARKERS OF PREMATURE ATHEROSCLEROSIS AND METABOLIC CORRELATES IN HIV-INFECTED CHILDREN. Artery Res 2007. [DOI: 10.1016/s1872-9312(07)70036-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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King S, Griffin S, Hodges Z, Weatherly H, Asseburg C, Richardson G, Golder S, Taylor E, Drummond M, Riemsma R. A systematic review and economic model of the effectiveness and cost-effectiveness of methylphenidate, dexamfetamine and atomoxetine for the treatment of attention deficit hyperactivity disorder in children and adolescents. Health Technol Assess 2006; 10:iii-iv, xiii-146. [PMID: 16796929 DOI: 10.3310/hta10230] [Citation(s) in RCA: 95] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVES To assess the clinical and cost-effectiveness of oral methylphenidate hydrochloride (MPH), dexamfetaminesulphate (DEX) and atomoxetine (ATX) in children and adolescents (<18 years of age) diagnosed with attention deficit hyperactivity disorder (ADHD) (including hyperkinetic disorder). DATA SOURCES Electronic databases covering 1999--July 2004 for MPH, 1997--July 2004 for DEX and 1981--July 2004 for ATX. REVIEW METHODS Selected studies were assessed using modified criteria based on CRD Report No. 4. Clinical effectiveness data were reported separately for each drug and by the type of comparison. Data for MPH were also analysed separately based on whether it was administered as an immediate release (IR) or extended release (ER) formulation. For all drugs, the data were examined by dose. Data for the core outcomes of hyperactivity (using any scale), Clinical Global Impression [as a proxy of quality of life (QoL)] and adverse events were reported. For crossover studies, the mean and standard deviation (SD) for each outcome were data extracted for end of trial data (i.e. baseline data were not considered). For parallel studies, change scores were reported where given, otherwise means and SDs were presented for end of trial data. In addition, mean differences with 95% confidence intervals were calculated for each study. For adverse events, self-ratings were reported when used, otherwise, parent reports were utilised. Percentages of participants reporting adverse events were used to calculate numbers of events in each treatment arm. All the clinical effectiveness data and economic evaluations (including accompanying models) included in the company submissions were assessed. A new model was developed to assess the cost-effectiveness of the alternative treatments in terms of cost per quality-adjusted life-year. To achieve this, a mixed treatment comparison model was used to estimate the differential mean response rates. Monte Carlo simulation was used to reflect uncertainty in the cost-effectiveness results. RESULTS In total, 65 papers met the inclusion criteria. The results suggest that MPH and DEX are effective at reducing hyperactivity and improving QoL (as determined by Clinical Global Impression) in children, although the reliability of the MPH study results is not known and there were only a small number of DEX studies. There was consistent evidence that ATX was superior to placebo for hyperactivity and Clinical Global Impression. Studies on ATX more often reported the study methodology well, and the results were likely to be reliable. Very few studies made direct head-to-head comparisons between the drugs or examined a non-drug intervention in combination with MPH, DEX or ATX. Adequate and informative data regarding the potential adverse effects of the drugs were also lacking. The results of the economic evaluation clearly identified an optimal treatment strategy of DEX first-line, followed by IR-MPH for treatment failures, followed by ATX for repeat treatment failures. Where DEX is unsuitable as a first-line therapy, the optimal strategy is IR-MPH first-line, followed by DEX and then ATX. For patients contraindicated to stimulants, ATX is preferred to no treatment. For patients in whom a midday dose of medication is unworkable, ER-MPH is preferred to ATX, and ER-MPH12 appears more cost-effective than ER-MPH8. As identified in the clinical effectiveness review, the reporting of studies was poor, therefore this should be borne in mind when interpreting the model results. CONCLUSIONS Drug therapy seems to be superior to no drug therapy, no significant differences between the various drugs in terms of efficacy or side effects were found, mainly owing to lack of evidence, and the additional benefits from behavioural therapy (in combination with drug therapy) are uncertain. Given the lack of evidence for any differences in effectiveness between the drugs, the economic model tended to be driven by drug costs, which differed considerably. Future trials examining MPH, DEX and ATX should include the assessment of tolerability and safety as a priority. Longer term follow-up of individuals participating in trials could further inform policy makers and health professionals. Such data could potentially distinguish between these drugs in a clinically useful way. In addition, research examining whether somatic complaints are actually related to drug treatment or to the disorder itself would be informative.
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Siu L, Carducci M, Chen E, Maclean M, Pili R, King S, Patterson T, Li Z, Kalita A, Reid G. 300 POSTER Phase I study of an oral isotype-selective histone deacetylase (HDAC) inhibitor in patients (pts) with advanced solid tumors. EJC Suppl 2006. [DOI: 10.1016/s1359-6349(06)70305-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Levi A, Davis A, Hernandez A, Wechter P, Thimmapuram J, Trebitsh T, Tadmor Y, Katzir N, Portnoy V, King S. Genes expressed during the development and ripening of watermelon fruit. PLANT CELL REPORTS 2006; 25:1233-45. [PMID: 16802118 DOI: 10.1007/s00299-006-0163-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2005] [Revised: 03/01/2006] [Accepted: 03/25/2006] [Indexed: 05/10/2023]
Abstract
A normalized cDNA library was constructed using watermelon flesh mRNA from three distinct developmental time-points and was subtracted by hybridization with leaf cDNA. Random cDNA clones of the watermelon flesh subtraction library were sequenced from the 5' end in order to identify potentially informative genes associated with fruit setting, development, and ripening. One-thousand and forty-six 5'-end sequences (expressed sequence tags; ESTs) were assembled into 832 non-redundant sequences, designated as "EST-unigenes". Of these 832 "EST-unigenes", 254 ( approximately 30%) have no significant homology to sequences published so far for other plant species. Additionally, 168 "EST-unigenes" ( approximately 20%) correspond to genes with unknown function, whereas 410 "EST-unigenes" ( approximately 50%) correspond to genes with known function in other plant species. These "EST-unigenes" are mainly associated with metabolism, membrane transport, cytoskeleton synthesis and structure, cell wall formation and cell division, signal transduction, nucleic acid binding and transcription factors, defense and stress response, and secondary metabolism. This study provides the scientific community with novel genetic information for watermelon as well as an expanded pool of genes associated with fruit development in watermelon. These genes will be useful targets in future genetic and functional genomic studies of watermelon and its development.
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Baranova A, Gowder S, Naouar S, King S, Schlauch K, Jarrar M, Ding Y, Cook B, Chandhoke V, Christensen A. Expression profile of ovarian tumors: distinct signature of Sertoli–Leydig cell tumor. Int J Gynecol Cancer 2006; 16:1963-72. [PMID: 17177833 DOI: 10.1111/j.1525-1438.2006.00732.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Epithelial ovarian tumors are the most common subtype of ovarian cancer. In this study, we reveal distinct expression signatures of previously uncharacterized ovarian carcinoma subtypes, including endometrioid component of mixed ovarian tumor and Sertoli–Leydig tumor. Both subtypes were compared to the most common and well-characterized ovarian epithelial carcinoma of the serous type. These comparisons were performed by complementaryDNA (cDNA) microarrays allowing high-fidelity measurements of the expression levels of 39,360 human individual cDNA species representing both known and unknown human genes. Functional analysis of differentially expressed genes in Sertoli–Leydig tumor revealed an upregulation in sonic hedgehog pathway, deregulation of several metabolic pathways especially in amino acid metabolism and overexpression of genes associated with protein synthesis, including ribosomal genes.
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Modesto A, Moreno LM, Krahn K, King S, Lidral AC. MSX1 and orofacial clefting with and without tooth agenesis. J Dent Res 2006; 85:542-6. [PMID: 16723652 PMCID: PMC2241923 DOI: 10.1177/154405910608500612] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
MSX1 has been considered a strong candidate for orofacial clefting, based on mouse expression studies and knockout models, as well as association and linkage studies in humans. MSX1 mutations are also causal for hereditary tooth agenesis. We tested the hypothesis that individuals with orofacial clefting with or without tooth agenesis have MSX1 coding mutations by screening 33 individuals with cleft lip with or without cleft palate (CL/P) and 19 individuals with both orofacial clefting and tooth agenesis. Although no MSX1 coding mutations were identified, the known 101C > G variant occurred more often in subjects with both CL/P and tooth agenesis (p = 0.0008), while the *6C-T variant was found more often in CL/P subjects (p = 0.001). Coding mutations in MSX1 are not the cause of orofacial clefting with or without tooth agenesis in this study population. However, the significant association of MSX1 with both phenotypes implies that MSX1 regulatory elements may be mutated.
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Lean C, Guitera P, Bourne R, Stanwell P, King S, Scolyer R, Stretch J, Thompson J, Mountford CE. 3 Tesla Magnetic Resonance (MR) Microimaging of Primary Cutaneous Melanoma. ROFO-FORTSCHR RONTG 2006. [DOI: 10.1055/s-2005-931827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Stewart D, Law M, Burke-Gaffney J, Missiuna C, Rosenbaum P, King G, Moning T, King S. Keeping It Together: an information KIT for parents of children and youth with special needs. Child Care Health Dev 2006; 32:493-500. [PMID: 16784504 DOI: 10.1111/j.1365-2214.2006.00619.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND Provision and use of information about their children is a major concern to families who have a child with a disability. Strategies or systems to influence parents' abilities to receive, give and use information in a way that is satisfying to them have not been well validated. METHODS This paper reports on the development and evaluation of a Parent Information KIT ('Keeping It Together') information management system and child advocacy tool. The KIT was designed to assist parents in giving, getting and organizing information in an effective way. The KIT was evaluated by a sample of 440 parents, with outcomes of use, utility, impact and perceptions of family-centred care measured at baseline, and after 6 months, and 15 months. RESULTS Parents' perceptions of their ability, confidence and satisfaction when using information improved significantly after using the KIT. Parents' perceptions of care, as measured with the Measure of Processes of Care, also improved significantly in the areas of 'Enabling/Partnership' and 'Providing General Information'. Parents' ratings of the use and utility of the KIT were associated with increased impact and, in turn, predicted improved perceptions of care. CONCLUSION Parents who received and actively used the Parent Information KIT experienced significant increases in their perception of their ability and self-confidence in getting, giving and using information to assist their child with a disability. Strategies for improving the use of the KIT among parents are discussed.
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King JN, Seewald W, King S, Goldenthal E. Benazepril increases feed intake and body weight in healthy growing cats1. J Vet Pharmacol Ther 2006; 29:225-7. [PMID: 16669867 DOI: 10.1111/j.1365-2885.2006.00736.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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King GA, Zwaigenbaum L, King S, Baxter D, Rosenbaum P, Bates A. A qualitative investigation of changes in the belief systems of families of children with autism or Down syndrome. Child Care Health Dev 2006; 32:353-69. [PMID: 16634980 DOI: 10.1111/j.1365-2214.2006.00571.x] [Citation(s) in RCA: 79] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND There have been few reports of the world views, values and priorities of families of children with autism or Down syndrome, despite the fact that family belief systems are considered to be among the most important factors affecting the adaptation and resilience of families. METHODS Transcripts from three focus groups involving 19 key informants (15 parents of children with autism or Down syndrome, and 4 service providers) were analysed using qualitative methods. RESULTS The themes indicated that raising a child with a disability can be a life-changing experience that spurs families to examine their belief systems. Parents can come to gain a sense of coherence and control through changes in their world views, values and priorities that involve different ways of thinking about their child, their parenting role, and the role of the family. Although parents may grapple with lost dreams, over time positive adaptations can occur in the form of changed world views concerning life and disability, and an appreciation of the positive contributions made by children to family members and society as a whole. Parents' experiences indicate the importance of hope and of seeing possibilities that lie ahead. CONCLUSIONS The information from this study may be used to provide families with an advance understanding of the changes in beliefs that they might undergo, and assists service providers in providing individualized and family-centred services and supports to families.
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Lean C, Guitera P, Bourne R, Stanwell P, King S, Scolyer R, Stretch J, Thompson J, Mountford CE. 3 Tesla Magnetic Resonance (MR) Microimaging of Primary Cutaneous Melanoma. ROFO-FORTSCHR RONTG 2006. [DOI: 10.1055/s-2006-931858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Hoek M, Dalling J, Thompson S, King S, Bell A, Evans M, Cotterill S, Lewis D. Scarlet fever outbreak in two nurseries in southwest England. EURO SURVEILLANCE : BULLETIN EUROPEEN SUR LES MALADIES TRANSMISSIBLES = EUROPEAN COMMUNICABLE DISEASE BULLETIN 2006; 11:E060302.5. [PMID: 16804224 DOI: 10.2807/esw.11.09.02914-en] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Fifty cases of scarlet fever were reported in a county in southwest England between 1 January and 28 February 2006
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Button B, Roberts S, Rees M, King S, Smith A, Snell G, Wilson J, Stirling R. 253 Laparascopic fundoplication is an effective and safe treatment for gastro-oesophageal reflux disease (GORD) in adult Cystic Fibrosis. J Cyst Fibros 2006. [DOI: 10.1016/s1569-1993(06)80230-4] [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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Lloyd T, Tang YM, Benson MD, King S. Diaphragmatic paralysis: the use of M mode ultrasound for diagnosis in adults. Spinal Cord 2005; 44:505-8. [PMID: 16331304 DOI: 10.1038/sj.sc.3101889] [Citation(s) in RCA: 90] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
STUDY DESIGN Retrospective, case series. OBJECTIVES To evaluate the use of M mode ultrasonography in the evaluation of diaphragmatic paralysis in adults. SETTING Radiology department, Princess Alexandra Hospital, Brisbane, Australia. METHODS Ten patients who were referred for evaluation of suspected diaphragmatic paralysis were evaluated using M mode ultrasound. RESULTS Three of the patients who were scanned demonstrated normal diaphragmatic movement. The M mode trace demonstrated normal movement of the diaphragm bilaterally with quiet respiration and a sharp upstroke on the sniff test (indicating normal caudal movement of the diaphragm). Six patients were found to have a unilateral diaphragmatic paralysis. Four of these patients were noted to have a raised hemi-diaphragm on chest radiography. Of the two who did not have a raised hemi-diaphragm on chest radiography, one was permanently ventilated. The M mode trace of the paralyzed side showed no active caudal movement of the diaphragm with inspiration and abnormal paradoxical movement (ie cranial movement on inspiration) particularly with the sniff test. CONCLUSION M mode ultrasonography is a relatively simple and accurate test for diagnosing paralysis of the diaphragm, in the adult population. It can be performed, if necessary, at the bedside and can be easily repeated if paralysis is not thought to be permanent. EQUIPMENT Philips ATL Sono CT 5000 using a 2-5 MHz curved linear transducer.
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Law M, Teplicky R, King S, King G, Kertoy M, Moning T, Rosenbaum P, Burke-Gaffney J. Family-centred service: moving ideas into practice. Child Care Health Dev 2005; 31:633-42. [PMID: 16207220 DOI: 10.1111/j.1365-2214.2005.00568.x] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND With parents more involved in their child's day-to-day care, concepts of family-centred service (FCS) are increasingly adopted in children's health and rehabilitation service organizations. METHODS In this paper, we report the results of a study to develop and evaluate educational materials for parents, service providers and health sciences students about FCS. The materials focus on the nature and philosophy of FCS, and the practical skills and systemic changes required for its implementation. RESULTS Thirty-six participants (12 families, 12 service providers and 12 rehabilitation science students) were randomly assigned to receive one of the six FCS educational packages, each containing three FCS educational sheets. Participants' ratings of the format and content, and the impact of the FCS Sheets were very high, with overall means above 5.0 on a 7-point scale. Using a mixed model analysis, we found significant differences in participants' ratings of familiarity with the materials (students were less familiar than service providers). After statistical adjustment for familiarity, there were no significant differences between the groups or the packages on ratings of format and content or impact. CONCLUSIONS There were no significant differences in the way in which the participant groups rated the impact of the FCS Sheets and the specific packages did not have an effect on the participants' ratings. The FCS educational materials, even those less familiar to participants, were rated highly on format and content, and impact. Results indicate that the material was perceived to be important to each group, and was formatted and written in a way that was easy to understand. This finding counters current recommendations in the knowledge transfer literature that suggest different versions should be written for different target groups.
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Sethi A, Leybovich L, King S, Rusu I, Xu M. SU-FF-T-77: IMRT of Superficial Tumors. Med Phys 2005. [DOI: 10.1118/1.1997748] [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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Balfour-Lynn IM, Abrahamson E, Cohen G, Hartley J, King S, Parikh D, Spencer D, Thomson AH, Urquhart D. BTS guidelines for the management of pleural infection in children. Thorax 2005; 60 Suppl 1:i1-21. [PMID: 15681514 PMCID: PMC1766040 DOI: 10.1136/thx.2004.030676] [Citation(s) in RCA: 232] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Abstract
A pilot study was performed on a 28-bed acute hospital ward, promoting hand disinfection by providing Sterillium alcohol hand rub at the bedside. Bottles of Sterillium with pump dispensers were attached to the end of each patient's bed, next to the observation charts. Posters promoting the use of the product were prominently displayed and several ward staff attended a presentation on the effectiveness of Sterillium. Although this was a small study, Alert Organism rates during the three-month trial indicated a reduction in methicillin-resistant Staphylococcus aureus (MRSA) incidence and an increased Clostridium difficile incidence. Several other factors that may have influenced the study outcomes will be discussed. There were no health and safety problems during the trial, but other issues were identified which have implications for introducing the bedside rub on a hospital wide basis, including the type of holder used, logistical arrangements and the staff and patient information requirements. The strategies adopted to address these issues will be discussed.
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Tannenbaum R, King S, Lecy J, Tirrell M, Potts L. Infrared study of the kinetics and mechanism of adsorption of acrylic polymers on alumina surfaces. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2004; 20:4507-14. [PMID: 15969159 DOI: 10.1021/la036137v] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
In this paper, we studied the kinetics of the adsorption of poly(methyl methacrylate), PMMA, onto native aluminum oxide surfaces by X-ray photoelectron spectroscopy and reflection-absorption infrared spectroscopy, with the intent of tracking the various changes observed in the infrared spectrum of the adsorbed polymer layer as a function of adsorption time. Specifically, we utilized the relative changes in the absorption bands of the carbonyl, carboxylic acid, and carboxylate groups to determine the sequence of events that culminate in the formation of bonds between carboxylate groups on hydrolyzed PMMA and specific sites on the aluminum oxide surface. We have shown that the adsorption process involves the hydrolysis of a fraction of the methoxy groups of the PMMA to generate COOH groups. Unlike previous assumptions, the formation of COOH groups on the PMMA chains does not constitute a sufficient condition for the actual chemisorption of the polymer chains onto the metal oxide surface. To promote bonding, the acid groups must undergo dissociation to form the carboxylate groups, followed subsequently by actual bond formation, that is, active anchoring, on the surface. This process is mediated by the aluminum oxide sites on the surface in the presence of water. Hence, the adsorption process occurs via a two-step mechanism, in which the first step, that is, the hydrolysis step, is a necessary but insufficient condition and the second step, that is, the anchoring step, is largely dependent on the type of interfacial chemistry possible for a particular polymer-metal oxide surface, the polymer conformation, the molecular weight, and the flexibility of the adsorbing molecules.
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