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While two-stage revision is the gold standard for treatment of knee prosthetic joint infection (PJI), it is not without risk. The purpose of this study was to develop a tool to preoperatively predict the probability that a two-stage revision would fail to eradicate knee PJI. 3,809 surgical cases were retrospectively reviewed and data were collected from 314 charts. Overall, 105 (33.4%) cases failed to eradicate PJI using this procedure. Univariate analysis identified multiple variables independently associated with reinfection. Logistic regression was used to generate a model (bootstrap-corrected concordance index of 0.773) predicting failure of infection eradication. Preoperative knowledge of a high probability of failure may improve risk assessment, lead to more aggressive management, and allow for time to consider alternative therapies.  相似文献   
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A prospective study of the impact of training 41 hospice nurses in assessment skills was used to test hypotheses that blocking behaviours would be used more when patients disclosed feelings and used less when nurses perceived that they had satisfactory professional support Each nurse was asked to assess a patient's current problems before and after feedback training and 8 months later Audiotape recordings of these interviews were rated by trained raters They determined the frequency of nurses' responses which had the function of blocking patient disclosure and the emotional level of patient disclosure Before each patient assessment each nurse was interviewed and questionnaires administered to measure her perceptions of the support she received Blocking behaviours were most evident when patients disclosed their feelings (Kendalls r=0 36, P < 0 001) In interviews containing most patient disclosure of feeling, blocking was significantly less (r= - 0 24, P < 0 5) when the nurse felt that practical help would be available if needed and when the nurse felt that her direct supervisor was concerned about the nurse's own welfare (r= -0 37, P < 0 005)  相似文献   
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Objectives: To assess emergency physician reporting patterns in Oregon before and after the passage of a mandatory intoxicated driving reporting law. Methods: A one‐page survey was mailed to 504 emergency physicians in Oregon in April 2004. Data on reporting frequency were collected using a four‐point ordinal scale regarding motor vehicle crash–involved drivers (MIDs) and intoxicated persons attempting to drive away from the emergency department (DAEDs). Paired observations were assessed for a stated increase in reporting activity following passage of the law using the Wilcoxon signed‐rank test. Associations of postlaw reporting and demographic and knowledge factors were sought using Spearman rank correlation analysis. Results: Of the 504 surveys mailed, 298 (59%) were adequate for analysis. Many respondents (57%) were already aware of the law. Most (92%) agreed that physicians should be mandated to report some crimes. MIDs were always reported by 18% of physicians before the law and by 47% afterward, whereas DAEDs were always reported by 56% of physicians before the law and by 69% afterward. Emergency medicine–trained physicians, higher emergency department census, and increased years of experience were associated with a significantly higher increase in reporting pattern after passage of the law for both MIDs and DAEDs. Conclusions: Although 44% of responding emergency physicians in Oregon were unaware of a mandated reporting law for intoxicated drivers presenting to the ED, most physicians stated an increase in their reporting practice.  相似文献   
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