Early Identification of Patients at Risk for Difficult Intubation in the Intensive Care Unit. Development and Validation of the MACOCHA Score in a Multicenter Cohort Study AT A GLANCE COMMENTARY Scientific Knowledge on the Subject - Université de Montpellier Accéder directement au contenu
Article Dans Une Revue American Journal of Respiratory and Critical Care Medicine Année : 2013

Early Identification of Patients at Risk for Difficult Intubation in the Intensive Care Unit. Development and Validation of the MACOCHA Score in a Multicenter Cohort Study AT A GLANCE COMMENTARY Scientific Knowledge on the Subject

Nicolas Terzi
Nicolas Mongardon
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Jean-Michel Arnal
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Nicolas Maziers
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Résumé

Rationale: Difficult intubation in the intensive care unit (ICU) is a challenging issue. Objectives: To develop and validate a simplified score for identifying patients with difficult intubation in the ICU and to report related complications. Methods: Data collected in a prospective multicenter study from 1,000 consecutive intubations from 42 ICUs were used to develop a simplified score of difficult intubation, which was then validated externally in 400 consecutive intubation procedures from 18 other ICUs and internally by bootstrap on 1,000 iterations. Measurements and Main Results: In multivariate analysis, the main pre-dictors of difficult intubation (incidence ¼ 11.3%) were related to patient (Mallampati score III or IV, obstructive sleep apnea syndrome, reduced mobility of cervical spine, limited mouth opening); pathology (severe hypoxia, coma); and operator (nonanesthesiologist). From the b parameter, a seven-item simplified score (MACOCHA score) was built, with an area under the curve (AUC) of 0.89 (95% confidence interval [CI], 0.85-0.94). In the validation cohort (prevalence of difficult intuba-tion ¼ 8%), the AUC was 0.86 (95% CI, 0.76-0.96), with a sensitivity of 73%, a specificity of 89%, a negative predictive value of 98%, and apositive predictivevalue of 36%. After internal validation bybootstrap, the AUC was 0.89 (95% CI, 0.86-0.93). Severe life-threatening events (severe hypoxia, collapse, cardiac arrest, or death) occurred in 38% of the 1,000 cases. Patients with difficult intubation (n ¼ 113) had significantly higher severe life-threatening complications than those who had a nondifficult intubation (51% vs. 36%; P , 0.0001). Conclusions: Difficult intubation in the ICU is strongly associated with severe life-threatening complications. A simple score including seven clinical items discriminates difficult and nondifficult intuba-tion in the ICU. Clinical trial registered with www.clinicaltrials.gov (NCT 01532063).
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hal-02549587 , version 1 (21-04-2020)

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Audrey de Jong, Nicolas Molinari, Nicolas Terzi, Nicolas Mongardon, Jean-Michel Arnal, et al.. Early Identification of Patients at Risk for Difficult Intubation in the Intensive Care Unit. Development and Validation of the MACOCHA Score in a Multicenter Cohort Study AT A GLANCE COMMENTARY Scientific Knowledge on the Subject. American Journal of Respiratory and Critical Care Medicine, 2013, 187 (8), pp.832 - 839. ⟨10.1164/rccm.201210-1851OC⟩. ⟨hal-02549587⟩
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