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- W2003274920 abstract "Winner: Best Nursing Poster award sponsored by Introduction: Oxygen therapy is universally applied to mechanically ventilated patients but oxygen targets and dose are poorly understood. Objectives: To describe current oxygen administration and titration in such patients in our academic intensive care unit. Methods: Prospective observational cohort study conducted between March and June 2012. Consecutive adult patients that were mechanically ventilated for ≥48 h were included. For each patient we recorded the FiO2, PaO2 and SpO2 every 6 h until extubation. We calculated the amount of excess oxygen delivery (SpO2 > 98% with FiO2 > 0.21) and assessed the Intensivists’ response to hyperoxaemia (SpO2 > 98%). Institutional ethics committee approval was obtained. Results: We examined 358 mechanical ventilation days in 51 critically ill patients. Patients spent the majority of time with their SpO2 > 98% (59% [29–83]) and PaO2 between 80 and 120 mmHg (59% [38–72]). Half of all observations were classified as hyperoxaemia and 4% were severe hyperoxaemia (PaO2 > 202.5 mmHg). The total calculated amount of excess oxygen delivered was 263,841 L, with a median excess of 3472 L per patient. Seventy-one per cent of the total calculated excess oxygen occurred with a FiO2 between 0.3 and 0.4. When hyperoxaemia occurred with a FiO2 between 0.3 and 0.4, 88% of the episodes had no subsequent FiO2 adjustment made. Conclusions: Excess oxygen delivery and liberal oxygen therapy were common in mechanically ventilated patients. Current oxygen therapy practice may be suboptimal and expose patients to unnecessary episodes of hyperoxaemia. Further evaluation of oxygen, its management and impact on outcome for mechanically ventilated patients appears desirable." @default.
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- W2003274920 date "2014-02-01" @default.
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- W2003274920 title "Oxygen management in mechanically ventilated patients: A prospective observational cohort study" @default.
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- W2003274920 doi "https://doi.org/10.1016/j.aucc.2013.10.025" @default.
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