Boon or Burden: The Effect of Implementing Evidence-Based Practices on Teachers’ Emotional Exhaustion

Abstract

This study examined the association between (1) beginning-of-the-year emotional exhaustion and use of three evidence-based practices (EBP) for children with autism spectrum disorder; and (2) use of these EBP and end-of-year emotional exhaustion among 46 kindergarden to 2nd grade autism support teachers participating in a randomized trial. Emotional exhaustion was measured at the end and beginning of the school year using a subscale of the Maslach Burnout Inventory. Fidelity was measured using monthly observations, coded by research assistants trained to reliability. Correlations were used to examine unadjusted associations and ordinary least squares regression was used to examine associations adjusted for beginning-of-year burnout, years teaching, and average change in student cognitive functioning. Emotional exhaustion at the beginning of the year was not associated with EBP use. Greater fidelity to each EBP was associated with lower end-of-year emotional exhaustion (coefficients ranging from − .34 to − 1.13, all p's < .05). Results indicate that helping teachers implement EBP with greater fidelity may help reduce burnout, a substantial challenge in the field.

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Editorial Board

Publication date: October 2018

Source: Journal of Environmental Radioactivity, Volumes 193–194

Author(s):

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Required cefazolin concentration to maximize diagnostic accuracy of the basophil activation test for cefazolin-induced anaphylaxis

Abstract

Purpose

Identifying the causative agent of perioperative anaphylaxis is key to preventing its recurrence. Besides skin testing, the basophil activation test (BAT) is increasingly being accepted as an additional and reliable method. Cefazolin seems to be a major cause of perioperative anaphylaxis. However, few studies have described use of the BAT for cefazolin-induced anaphylaxis. In this study, we aimed to determine the optimum cefazolin concentration required in the BAT for an accurate diagnosis.

Methods

Seven patients who presented with immediate hypersensitivity to cefazolin and 21 control subjects were studied. We conducted skin tests and performed BATs using both CD203c and CD63 as markers of activated basophils. We measured the ratio of activated basophils after stimulation with serial dilutions of cefazolin and investigated the cefazolin concentration that resulted in better sensitivity and specificity.

Results

All patients demonstrated positive reactions to cefazolin, while all control subjects showed negative reactions on skin tests. The net percentage of both CD203c- and CD63-labeled activated basophils was greater when higher concentrations of cefazolin than previously reported were used. In control subjects, however, the number of activated basophils by cefazolin stimulation was negligible regardless of its concentration. In the case of CD203c, the sensitivity was 86% with a cefazolin concentration of 3 mg/ml, while in the case of CD63, the sensitivity was 100% with a cefazolin concentration of 10 mg/ml.

Conclusion

Using a higher concentration of cefazolin than previously reported for the BAT might increase the accuracy of diagnosis of cefazolin-induced anaphylaxis.

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Long-term outcomes of sport-related brain injuries: A psychophysiological perspective

Publication date: October 2018

Source: International Journal of Psychophysiology, Volume 132, Part A

Author(s): R. Davis Moore, Dave Ellemberg

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Editorial Board

Publication date: October 2018

Source: International Journal of Psychophysiology, Volume 132, Part A

Author(s):

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International Organization of Psychophysiology

Publication date: October 2018

Source: International Journal of Psychophysiology, Volume 132, Part A

Author(s):

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Evolutionarily conserved coding properties favour the neuronal representation of heterospecific signals of a sympatric katydid species

Abstract

To function as a mechanism in premating isolation, the divergent and species-specific calling songs of acoustic insects must be reliably processed by the afferent auditory pathway of receivers. Here, we analysed the responses of interneurons in a katydid species that uses long-lasting acoustic trills and compared these with previously reported data for homologous interneurons of a sympatric species that uses short chirps as acoustic signals. Some interneurons of the trilling species respond exclusively to the heterospecific chirp due to selective, low-frequency tuning and "novelty detection". These properties have been considered as evolutionary adaptations in the sensory system of the chirper, which allow it to detect signals effectively during the simultaneous calling of the sympatric sibling species. We propose that these two mechanisms, shared by the interneurons of both species, did not evolve in the chirper to guarantee its ability to detect the chirp under masking conditions. Instead we suggest that chirpers evolved an additional, 2-kHz component in their song and exploited pre-existing neuronal properties for detecting their song under masking noise. The failure of some interneurons to respond to the conspecific song in trillers does not prevent intraspecific communication, as other interneurons respond to the trill.

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