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Watson R Deary IJ Hoogbruin AL Vermeijden W Rumeu C Beunza M Barbarin B MacDonald J McCready T 《International journal of nursing studies》2003,40(2):133-144
This paper describes a study of perceptions of nursing by nursing students, qualified nurses (United Kingdom and Spain), patients and non-nursing students. A survey method was used with a longitudinal panel element incorporating a 35-item version of the Nursing Dimensions Inventory translated into Spanish. Data were analysed using principal component analysis, congruence analysis, Mokken scaling, correlation, ANOVA, t-test and Cronbach's alpha. Patients may perceive nursing differently from nursing students, nurses (in the UK and Spain) and non-nurses. These findings are discussed in the context of nurse education and patient care. 相似文献
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Wytze J. Vermeijden Ans Hagenaars Willem van Oeveren Adrianus J. de Vries 《European journal of cardio-thoracic surgery》2008,34(2):350-353
OBJECTIVE: Intra-operative cell salvage is increasingly used, especially in longer cases with continuing blood loss. However it is unknown if the quality of processed blood is affected when larger quantities of blood are processed. We hypothesized that the quality of the washed blood decreases after multiple runs. METHODS: Intra-operative cell salvage was performed in 42 consecutive patients undergoing cardiac surgery. When 1250 ml of blood was collected in the blood collection reservoir, this was processed and returned to the patient. In 21 patients more than 2500 ml of blood was collected during the whole procedure, thus allowing at least two subsequent runs with the auto-transfusion device. Blood samples were drawn from the blood collection reservoir of the cell saver device before, and from the processed blood after each run. RESULTS: After the first run interleukin-6 concentrations were reduced with 85% (from 21+/-35 microg/l to 3.1+/-4.4 microg/l), whereas after the second run 72% was removed (63+/-69 microg/l to 17.6+/-25.3 microg/l). Leukocyte counts almost doubled after both processing runs (from 2.6+/-1.5 x 10(9)/l to 5+/-3.6 x 10(9)/l) and from 3.9+/-2.2 x 10(9)/l to 7.7+/-5.9 x 10(9)/l), hemoglobin concentration (14.8+/-1.6 mmol/l vs 15.0+/-1.1 mmol/l), free hemoglobin (2.3+/-1.6g/l vs 2.1+/-1.4 g/l) and platelet counts (18+/-9 x 10(9)/l vs 28+/-23 x 10(9)/l) were not different between the two runs. CONCLUSIONS: Our results suggest, based on interleukin-6 and free hemoglobin washout that the quality of the processed blood remains constant with multiple runs of the cell saver device. 相似文献
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Skeie S Perich C Ricos C Araczki A Horvath AR Oosterhuis WP Bubner T Nordin G Delport R Thue G Sandberg S 《Clinical chemistry》2005,51(7):1145-1153
BACKGROUND: Diabetes mellitus (DM) is diagnosed and monitored worldwide by blood glucose (BG) and glycohemoglobin A(1c) (HbA(1c)) testing, respectively. Methods for quality assessment of clinician interpretations of changes in these laboratory results have been developed. This study uses survey responses from general practitioners (GPs) in different countries to investigate possible differences in interpretation of results, as well as the feasibility of performing international postanalytical external quality assessment surveys (P-EQAS). METHODS: GPs recruited from 7 countries received questionnaires requesting interpretation of changes in a potentially diagnostic capillary BG result and an HbA(1c) value obtained during monitoring of a patient with type 2 DM. GPs were asked to estimate clinically significant differences between 2 consecutive laboratory results [critical difference (CD)/reference change value] for both BG and HbA(1c). The CDs reported by GPs were used to calculate the analytical variation (CV(a)), which was taken as the quality specification for analytical imprecision. Participants received national benchmarking feedback reports after the survey. RESULTS: The study included responses from 2538 GPs. CDs in BG results showed the same pattern and were comparable among countries. Calculated median CV(a) values would be possible to attain at 80% confidence but not at the conventional 95% confidence. For HbA(1c), the same pattern was shown across countries, but with lower changes considered true when HbA(1c) increased than when it decreased. Despite the consistent pattern, variations among GPs were considerable in all countries. CONCLUSIONS: Assessments of CDs for BG and HbA(1c) were similar internationally, and quality specifications for these analytes based on clinicians' opinions are therefore interchangeable among countries. International P-EQAS may contribute to a more rational use of laboratory services and clinical guidelines. 相似文献
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H Doeleman 《Nederlands tijdschrift voor geneeskunde》1978,122(41):1567-1569
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