Extubation in neurocritical care patients: the ENIO international prospective study.

Cinotti, Raphaël; Mijangos, Julio Cesar; Pelosi, Paolo; Haenggi, Matthias; Gurjar, Mohan; Schultz, Marcus J; Kaye, Callum; Godoy, Daniel Agustin; Alvarez, Pablo; Ioakeimidou, Aikaterini; Ueno, Yoshitoyo; Badenes, Rafael; Suei Elbuzidi, Abdurrahmaan Ali; Piagnerelli, Michaël; Elhadi, Muhammed; Reza, Syed Tariq; Azab, Mohammed Atef; McCredie, Victoria; Stevens, Robert D; Digitale, Jean Catherine; ... (2022). Extubation in neurocritical care patients: the ENIO international prospective study. Intensive care medicine, 48(11), pp. 1539-1550. Springer-Verlag 10.1007/s00134-022-06825-8

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PURPOSE

Neurocritical care patients receive prolonged invasive mechanical ventilation (IMV), but there is poor specific information in this high-risk population about the liberation strategies of invasive mechanical ventilation.

METHODS

ENIO (NCT03400904) is an international, prospective observational study, in 73 intensive care units (ICUs) in 18 countries from 2018 to 2020. Neurocritical care patients with a Glasgow Coma Score (GCS) ≤ 12, receiving IMV ≥ 24 h, undergoing extubation attempt or tracheostomy were included. The primary endpoint was extubation failure by day 5. An extubation success prediction score was created, with 2/3 of patients randomly allocated to the training cohort and 1/3 to the validation cohort. Secondary endpoints were the duration of IMV and in-ICU mortality.

RESULTS

1512 patients were included. Among the 1193 (78.9%) patients who underwent an extubation attempt, 231 (19.4%) failures were recorded. The score for successful extubation prediction retained 20 variables as independent predictors. The area under the curve (AUC) in the training cohort was 0.79 95% confidence interval (CI95) [0.71-0.87] and 0.71 CI95 [0.61-0.81] in the validation cohort. Patients with extubation failure displayed a longer IMV duration (14 [7-21] vs 6 [3-11] days) and a higher in-ICU mortality rate (8.7% vs 2.4%). Three hundred and nineteen (21.1%) patients underwent tracheostomy without extubation attempt. Patients with direct tracheostomy displayed a longer duration of IMV and higher in-ICU mortality than patients with an extubation attempt (success and failure).

CONCLUSIONS

In neurocritical care patients, extubation failure is high and is associated with unfavourable outcomes. A score could predict extubation success in multiple settings. However, it will be mandatory to validate our findings in another prospective independent cohort.

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