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Journal Article
Observational Study
Weaning attempts, cough strength and albumin are independent risk factors of reintubation in medical patients.
Clinical Respiratory Journal 2018 March
BACKGROUND: Reintubation is associated with increased hospital mortality. It is necessary to identify risk factors associated with reintubation.
METHODS: A prospective observational study was performed in a respiratory intensive care unit. Medical patients who successfully completed a spontaneous breathing trial (SBT) were enrolled. Before extubation, age, gender, vital signs, acute physiology and chronic health evaluation II score, SBT attempts, cough peak flow, arterial blood gas tests and albumin were recorded.
RESULTS: We enrolled 139 patients. Of these, 22 (15.8%) patients experienced reintubation within 72 hours after extubation. SBT attempts (odds ratio [OR] = 1.446, 95% confidence interval [CI]: 1.095-1.910), cough peak flow (OR = 0.975, 95% CI: 0.956-0.994) and albumin (OR = 0.847, 95% CI: 0.752-0.954) were independent risk factors for reintubation. In patients with 1, 2 and ≥3 SBT attempts, reintubation rates were 7.3%, 21.1% and 45.8%, respectively (P < .01). In patients with cough peak flow ≤60, 61-89 and ≥90 L/min, reintubation rates were 29.4%, 16.7% and 1.9%, respectively (P < .01). In patients with albumin ≤25, 26-30 and ≥31 g/L, reintubation rates were 32.4%, 11.1% and 9.8%, respectively (P = .01).
CONCLUSIONS: Multiple SBT attempts, weak cough and low albumin were associated with increased reintubation in medical patients. This study provides information for clinical practitioners in the consideration of patient extubation.
METHODS: A prospective observational study was performed in a respiratory intensive care unit. Medical patients who successfully completed a spontaneous breathing trial (SBT) were enrolled. Before extubation, age, gender, vital signs, acute physiology and chronic health evaluation II score, SBT attempts, cough peak flow, arterial blood gas tests and albumin were recorded.
RESULTS: We enrolled 139 patients. Of these, 22 (15.8%) patients experienced reintubation within 72 hours after extubation. SBT attempts (odds ratio [OR] = 1.446, 95% confidence interval [CI]: 1.095-1.910), cough peak flow (OR = 0.975, 95% CI: 0.956-0.994) and albumin (OR = 0.847, 95% CI: 0.752-0.954) were independent risk factors for reintubation. In patients with 1, 2 and ≥3 SBT attempts, reintubation rates were 7.3%, 21.1% and 45.8%, respectively (P < .01). In patients with cough peak flow ≤60, 61-89 and ≥90 L/min, reintubation rates were 29.4%, 16.7% and 1.9%, respectively (P < .01). In patients with albumin ≤25, 26-30 and ≥31 g/L, reintubation rates were 32.4%, 11.1% and 9.8%, respectively (P = .01).
CONCLUSIONS: Multiple SBT attempts, weak cough and low albumin were associated with increased reintubation in medical patients. This study provides information for clinical practitioners in the consideration of patient extubation.
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