Respiratory care
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Ventilator practices in patients at risk for acute lung injury (ALI) and ARDS are unclear. We examined factors associated with choice of set tidal volumes (VT), and whether VT < 8 mL/kg predicted body weight (PBW) relates to the development of ALI/ARDS. ⋯ Clinicians seem to respond to ALI/ARDS with lower initial VT. Initial VT, however, was not associated with the development of post-intubation ALI/ARDS or other outcomes.
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Randomized Controlled Trial
Effect of visualization of raw graphic polysomnography data by sleep apnea patients on adherence to CPAP therapy.
CPAP is considered to be the cornerstone of therapy for obstructive sleep apnea. However, adherence to this treatment is frequently poor, which may lead to ongoing symptoms, including daytime sleepiness and poor cognitive function. We aimed to determine the efficacy of showing patients their raw graphic polysomnography (PSG) data in increasing their CPAP adherence. ⋯ Showing patients raw graphic PSG data does not seem to improve adherence to CPAP. BMI is a very strong predictor of CPAP adherence.
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For patients with chronic respiratory failure or sleep breathing disorders, adaptation and training are important prerequisites for successful home noninvasive ventilation (NIV) and CPAP. In Europe, management of NIV/CPAP is sometimes performed by physiotherapists (PTs). However, their role within the NIV/CPAP management team is not well defined. ⋯ Our study has demonstrated that the PTs can play a key role in the respiratory care management of patients with chronic respiratory disease and sleep breathing disorders with neuromuscular diseases requiring higher time consumption, and the inclusion of PTs in the NIV/CPAP management procedure reduces the time spent by other health professionals. The cost effectiveness of this management needs to be verified in larger clinical trial settings.
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In critically ill patients, induction with etomidate is hypothesized to be associated with an increased risk of mortality. Previous randomized studies suggest a modest trend toward an increased risk of death among etomidate recipients; however, this relationship has not been measured with great statistical precision. We aimed to test whether etomidate is associated with risk of hospital mortality and other clinical outcomes in critically ill patients. ⋯ In this study of critically ill patients requiring endotracheal intubation, etomidate administration was associated with a trend toward a relative increase in mortality, similar to the collective results of smaller randomized trials conducted to date. If a small relative increased risk is truly present, though previous trials have been underpowered to detect it, in absolute terms the number of deaths associated with etomidate in this high-risk population would be considerable. Large, prospective controlled trials are needed to finalize the role of etomidate in critically ill patients.
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Controlled Clinical Trial
Optoelectronic vital capacity measurement for restrictive diseases.
To determine whether optoelectronic plethysmography accurately evaluated vital capacity (VC) in patients with respiratory muscle dysfunction of variable severity, including those with paradoxical abdominal movements. ⋯ Optoelectronic plethysmography is accurate and suitable for VC measurement in patients with various degrees of respiratory failure, including those with paradoxical abdominal movements. This noninvasive method may be an attractive alternative for accurately measuring VC in the event of air leakage (through the mouth or tracheostomy) or when patients are unable to breathe with the dead space added by the spirometer.