This is a repository copy of Interventions for preventing deliriumin hospitalised non-ICU patients.
This is a study of distributed leadership in the context of elementary schools' adoption of comprehensive school reforms (CSR). Most CSRs are designed to configure school leadership by defining formal roles, and we hypothesized that such programs activate those roles by defining expectations for and socializing (e.g., through professional development) role incumbents. Configuration and activation were further hypothesized to influence the performance of leadership functions in schools. Using data from a study of three of the most widely adopted CSR models, support was found for the configuration and activation hypotheses. Leadership configuration in CSR schools differed from that of nonCSR schools in part because of the addition of model-specific roles. Model participation was also related to the performance of leadership functions as principals in CSR schools and CSR-related role incumbents were found to provide significant amounts of instructional leadership. Further support for the activation hypothesis is suggested by positive relationships between leaders' professional development experiences and their performance of instructional leadership.
High-flow nasal oxygen has been shown to provide effective pre-oxygenation and prolong apnoeic time during intubation attempts in non-pregnant patients. We aimed to compare pre-oxygenation using high-flow nasal oxygen (30-70 l.min À1 oxygen flow) via nasal prongs with standard 15 l.min À1 oxygen breathing via a tightfitting facemask. Forty healthy parturients were randomly allocated to these two groups, and furthermore each patient underwent the selected pre-oxygenation method with both 3-min tidal volume breathing and 30s tidal breathing followed by eight vital capacity breaths. With 3-min tidal volume breathing, the respective estimated marginal means for high-flow nasal oxygen and standard flow rate facemask pre-oxygenation were 87.4% (95% CI 85.5-89.2%) and 91.0% (95%CI 89.3-92.7%), p = 0.02; with eight vital capacity breaths the estimated marginal means were 85.9% (95%CI 84.1-87.7%) and 91.8% (95%CI 90.1-93.4%, p < 0.0001). Furthermore, high-flow nasal oxygen did not reliably achieve a mean end-tidal oxygen concentration ≥ 90% compared with the standard flow rate facemask. In this physiological study, high-flow nasal oxygen pre-oxygenation performed worse than standard flow rate facemask pre-oxygenation in healthy term parturients.
The diagnosis of chronic myelomonocytic leukemia (CMML) remains centered on morphology, meaning that the distinction from a reactive monocytosis is challenging. Mutational analysis and immunophenotyping have been proposed as potential tools for diagnosis; however, they have not been formally assessed in combination. We aimed to investigate the clinical utility of these technologies by performing targeted sequencing, in parallel with current gold standard techniques, on consecutive samples referred for investigation of monocytosis over a 2-year period (N = 283). Results were correlated with the morphological diagnosis and objective outcome measures, including overall survival (OS) and longitudinal blood counts. Somatic mutations were detected in 79% of patients, being invariably identified in those with a confirmed diagnosis (99%) but also in 57% of patients with nondiagnostic bone marrow features. The OS in nondiagnostic mutated patients was indistinguishable from those with CMML (P = .118) and significantly worse than in unmutated patients (P = .0002). On multivariate analysis, age, ASXL1, CBL, DNMT3A, NRAS, and RUNX1 mutations retained significance. Furthermore, the presence of a mutation was associated with a progressive decrease in hemoglobin/platelet levels and increasing monocyte counts compared with mutation-negative patients. Of note, the immunophenotypic features of nondiagnostic mutated patients were comparable to CMML patients, and the presence of aberrant CD56 was highly specific for detecting a mutation. Overall, somatic mutations are detected at high frequency in patients referred with a monocytosis, irrespective of diagnosis. In those without a World Health Organization–defined diagnosis, the mutation spectrum, immunophenotypic features, and OS are indistinguishable from CMML patients, and these patients should be managed as such.
The aim of this study was to report serum immunoglobulin (Ig) and IgG subclass levels in a large pediatric population with cystic fibrosis, and relate these to measures of disease severity. Total immunoglobulin levels were measured in 154 patients, and IgG subclass levels were measured in 136 patients and compared to age-related normal population data and to levels reported in previously published studies of children with cystic fibrosis. Clinical data were also collected: genotype; height, weight, and BMI standard deviation scores; FEV(1) (as percent predicted); Shwachmann-Kulczycki (S-K) and Northern chest X-ray scores; and Pseudomonas aeruginosa infection status. The clinical well-being of patients with hypo- or hyper-gammaglobulinemia was compared with age- and sex-matched control patients who had normal levels of gammaglobulin. IgG subclass levels were measured, and the results were compared with previous studies. Eleven patients had hypergammaglobulinemia (7.8% compared with 0-69% in the published literature). Patients with hypergammaglobulinemia had lower FEV(1) percent-predicted values, and worse S-K and Northern chest X-ray scores than controls. Three patients had hypogammaglobulinemia (1.9% compared with 0-10.8% in the published literature). There was no difference in any clinical parameter between controls and those with hypogammaglobulinemia. Nineteen patients (14%) had low levels of IgG1, and 40 patients (29%) had low levels of IgG2. The low percentage of patients with abnormally high immunoglobulin levels probably reflects the improved respiratory status of today's children with CF. The low percentage of those with low IgG probably reflects better nutritional status. The finding of worse lung function and clinical scores in patients with hypergammaglobulinemia agrees with the published literature. The high percentage of patients with low IgG2 was unexpected and was not previously reported. The clinical significance of this in patients with CF is unknown.
Summary Using biased‐coin sequential allocation, we sought to determine the effective time interval in 90% of healthy parturients to achieve a target endpoint end‐tidal oxygen of ≥ 90% using standard flow rate facemask and high‐flow nasal oxygen. Eighty healthy parturients were randomly assigned to standard facemask (n = 40) or high‐flow nasal oxygen (n = 40) groups; half of the parturients in the high‐flow nasal oxygen group also used a simple no‐flow facemask to minimise air entrainment. The effective time interval for 90% of parturients to achieve the target endpoint for standard facemask was 3.6 min (95%CI 3.3–6.7 min), but could not be estimated for the high‐flow nasal oxygen groups with or without an additional simple facemask, as eight minutes was insufficient to achieve the target endpoint for 55% and 92% of parturients, respectively. Furthermore, after three minutes, the target endpoint was reached by 71% in the standard facemask group vs. 0% in the high‐flow nasal oxygen groups. After four minutes, the target endpoint was reached by 100% in the standard facemask, 80% in the high‐flow nasal oxygen with simple facemask and 67% in the high‐flow nasal oxygen groups. Beyond four minutes, there was no improvement in pre‐oxygenation success using high‐flow nasal oxygen. In conclusion, under the conditions of our study, the effective time interval for 90% of parturients to achieve an end‐tidal oxygen ≥ 90% for standard flow rate facemask was estimated to be 3.6 min, but could not be estimated for high‐flow nasal oxygen groups even after eight minutes.
Person-centered planning emerged in the 1990s as an innovative practice to assist persons with intellectual and developmental disabilities. The foundational purpose of person-centered planning is to assist the individual in developing service planning that reflects the needs and desires of the focal person with the disability. Despite its popularity with disability practitioners, advocates, and policy stakeholders, debate emerged at the beginning of the 21st century as to the viability of person-centered planning as an evidence-based practice. This article examines the historical development and evidence base, as well as the current challenges and potential of person-centered planning for adults with intellectual disabilities.
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