Abstract
Rev Bras Ter Intensiva. 2017;29(4):476-480
DOI 10.5935/0103-507X.20170071
To evaluate the intra- and inter-reliability and the ease of measuring the quadriceps muscle thickness using bedside ultrasound.
This is a prospective, observational study. The assessment of quadriceps muscle thickness was performed at two reference points and was quantified using portable B-mode ultrasound in two healthy volunteers. For standardization of measurements and validation of image collections, the team was trained through theoretical and practical classes, with a 6-hour workload.
A total of 112 images were examined by the coach and compared with the trainees. Pearson's correlation analysis found an excellent relationship between the coach and all trainees (R2 > 0.90). The best association was between the coach and the dietitians (R2: 0.99; p < 0.001), and the worst association was between the coach and the medical trainees (R2: 0.92; p < 0.001). In the Bland-Altman comparison, the highest error rate found between coach and trainees was 5.12% (95% confidence interval [CI] 3.64-12.37), and the lowest was 1.01% (95%CI 0.72 - 2.58); the highest bias of the values described was -0.12 ± 0.19, and the lowest was -0.01 ± 0.04.
The data analyzed showed a good correlation between the measurements made by the coach and trainees, indicating that ultrasound of the quadriceps muscle is a viable and easily applicable tool.
Abstract
Rev Bras Ter Intensiva. 2013;25(2):148-154
DOI 10.5935/0103-507X.20130026
OBJECTIVE: To identify scales that can establish a quantitative assessment of delirium symptoms in critically ill patients through a systematic review. METHODS: Studies that evaluated delirium stratification scales in patients hospitalized in intensive care units were selected in a search performed in the MedLine database. Validation studies of these scales and their target patient populations were analyzed, and we identified the examiner and the signs and symptoms evaluated. In addition, the duration of the application and the sensitivity and specificity of each scale were assessed. RESULTS: Six scales were identified: the Delirium Detection Score, the Cognitive Test of Delirium, the Memorial Delirium Assessment Scale, the Intensive Care Delirium Screening Checklist, The Neelon and Champagne Confusion Scale and the Delirium Rating Scale-Revised-98. CONCLUSION: The scales identified allow the stratification and monitoring of critically ill patients with delirium. Among the six scales, the most studied and best suited for use in the intensive care units was the Intensive Care Delirium Screening
Abstract
Rev Bras Ter Intensiva. 2009;21(2):219-225
DOI 10.1590/S0103-507X2009000200016
Randomized controlled trials are scientific investigations considered as the gold-standard to evaluate therapeutic interventions. Randomized controlled trials may examine the safety and efficacy of new drugs and therapeutic procedures or compare the effects of two or more drugs or any other intervention. In this article, we present the essential features of these studies, as well as, factors which may bias randomized controlled trials. We also present criteria to critically appraise articles reporting randomized controlled trials, explain how to interpret the results and how to apply them to clinical practice.
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