Respiratory care
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Despite the widespread use of sputum weight to assess the effect of airway clearance interventions, its psychometric properties have not been evaluated. The purpose of this ad hoc analysis was to determine the test-retest reliability of 24-h sputum weight in clinically stable individuals with bronchiectasis. This study also aimed to estimate the minimum important difference of 24-h sputum weight after an airway clearance session in subjects with bronchiectasis. ⋯ Multiple measurements should be considered to increase the agreement when sputum weight is used as an outcome measure for short periods in people with bronchiectasis. A reduction of 6.4 g (or 17% from baseline) in sputum collected during the 24 h after the airway clearance intervention may be considered the minimum important difference in people with bronchiectasis. (ClinicalTrials.gov registration NCT02392663; NCT01854788; NCT02614300.).
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Little is known to what extent attitudes of ICU clinicians are influenced by new insights and recommendations to be more conservative with oxygen therapy. Our aim was to investigate whether implementation of a conservative oxygenation guideline structurally changed self-reported attitudes and actual clinical practice. ⋯ Implementing a conservative oxygenation guideline was an effective method that changed self-reported attitudes and actual clinical practice and improved adherence to conservative oxygenation targets in a short period of time.
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Unplanned extubation (UE) is a common adverse event and is an important measure of quality and patient safety in the neonatal ICU. It is well recognized that UEs occur more frequently in neonates than in any other group of ventilated patients. The objective of this study was to evaluate the effectiveness of the quality improvement interventions in reducing the rates of UE in a tertiary neonatal ICU. ⋯ Significant reductions in UE rates were achieved by implementing quality improvement interventions. It is important to analyze critical event rates continuously and for longer periods of time to determine the true change.
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Obese subjects are at higher risk of development and progression of ARDS. There are limited data regarding mechanical ventilation practices and use of adjunctive therapies in subjects with ARDS across different obesity classes. We hypothesized that the adherence to lung-protective ventilation would be worse with rising body mass index class in patients with ARDS. ⋯ In this study, the risk of exposure to higher tidal volumes and the need for specific rescue therapies rose with higher classes of obesity in subjects with ARDS. More research is needed to identify how to better implement lung-protective ventilation in patients with obesity.
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Editorial Comment
Automated Oxygen Delivery and Conservation: Promises and Pitfalls.