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Timing of recovery of lung function after severe hypoxemic respiratory failure in children

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Objective: To describe the timing of recovery of lung function after severe acute hypoxemic respiratory failure (AHRF) in children. Design: A serial observational follow-up study of clinical and lung function measurements up to 53 months after acute illness. Setting: University pediatric intensive care unit in a national children's hospital. Patients: Five critically ill children aged 5–14 years. Interventions: None Results: Clinical recovery: each patient required a 3–5 month convalescence before being able to attend full-time school because of lethargy and dyspnea. All patients developed wheeze 3–12 months after illness and four received long-term bronchodilator therapy. Lung function recovery: for both the forced vital capacity (FVC) and forced vital capacity in the first second (FEV1) four patients had abnormally low values, regaining only 60–70 % of predicted values for their height and sex, and all of this improvement had occurred by 6–12 months after illness. Beyond this interval, patients remained on their same FVC and FEV1 centile. FEV1/FVC ratios were consistently within the normal range, indicating a predominantly restrictive defect. Changes in peak expiratory flow exhibited a time course of improvement similar to the other lung function tests. Conclusion: In children, pulmonary recovery after severe AHRF may occur for 6–12 months. A 1-year follow-up could offer a rational single point for assessment of outcome and long-term counselling of child and parents.

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Received: 10 November 1997 Accepted: 20 January 1998

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Golder, N., Lane, R. & Tasker, R. Timing of recovery of lung function after severe hypoxemic respiratory failure in children. Intensive Care Med 24, 530–533 (1998). https://doi.org/10.1007/s001340050607

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  • DOI: https://doi.org/10.1007/s001340050607

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