Articles: mechanical-ventilation.
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Traditional formulas to calculate pulse pressure variation (PPV) cannot be used in patients with atrial fibrillation (AF). We have developed a new algorithm that accounts for arrhythmia-induced pulse pressure changes, allowing us to isolate and quantify ventilation-induced pulse pressure variation (VPPV). The robustness of the algorithm was tested in patients subjected to altered loading conditions. We investigated whether changes in VPPV imposed by passive leg raising (PLR) were proportional to the pre-PLR values. ⋯ Our algorithm enables quantification of VPPV in patients with AF with the ability to detect changing loading conditions.
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Observational Study
Prone positioning for patients intubated for severe acute respiratory distress syndrome (ARDS) secondary to COVID-19: a retrospective observational cohort study.
The role of repeated prone positioning in intubated subjects with acute respiratory distress syndrome caused by COVID-19 remains unclear. ⋯ Patients with COVID-19 acute respiratory distress syndrome frequently responded to initial prone positioning with improved oxygenation. Subsequent prone positioning in subjects discharged from hospital was associated with greater improvements in oxygenation.
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To evaluate changes in the epidemiology of mechanical ventilation in Spain from 1998 to 2016. ⋯ A significant decrease in mortality was observed in patients ventilated in Spanish ICUs. These changes in mortality could be related to modifications in ventilation strategy to minimize ventilator-induced lung injury.
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Anaesth Intensive Care · Jan 2021
The effect of alcohol policy on intensive care unit admission patterns in Central Australia: A before-after cross-sectional study.
Alcohol misuse is a disproportionately large contributor to morbidity and mortality in the Northern Territory. A number of alcohol harm minimisation policies have been implemented in recent years. The effect of these on intensive care unit (ICU) admissions has not been fully explored. ⋯ Admissions with a primary diagnosis of trauma were lower (10.5% versus 4.7%, P < 0.01). This study demonstrated a reduction in ICU admissions associated with alcohol misuse following the implementation of new alcohol harm minimisation policies. This apparent reduction in alcohol-related harm is suggestive of the effectiveness of the Northern Territory's integrated alcohol harm reduction framework.
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The novel coronavirus (COVID-19) has become a global pandemic outbreak. Patients with COVID-19 are prone to progress to acute respiratory distress syndrome (ARDS), and even severe ARDS with ineffective mechanical ventilation, and an extremely high mortality. ⋯ The patient's pulmonary function gradually recovered by combining early mechanical ventilation and ECMO, and finally, this patient was successfully weaned from ECMO and the ventilator. No fibrosis lesions were found in the chest CT, and the patient recovered very well after leaving from the hospital for one month.