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Observational Study
. 2020 Jan;37(1):25-30.
doi: 10.1097/EJA.0000000000001019.

Reintubation in the ICU following cardiac surgery: is it more difficult than first-time intubation in the operating room?: A prospective observational study

Manuel Taboada  1 , Raúl Rey, Susana Martínez, Rosa Soto-Jove, Paula Mirón, Salome Selas, María Eiras, Adrian Martínez, María Rial, Agustin Cariñena, Irene Rodríguez, Sonia Veiras, Julián Álvarez, Aurora Baluja, Peter G Atanassoff
Affiliations
Observational Study

Reintubation in the ICU following cardiac surgery: is it more difficult than first-time intubation in the operating room?: A prospective observational study

Manuel Taboada et al. Eur J Anaesthesiol. 2020 Jan.

Abstract

Background: After cardiac surgery, a patient's trachea is usually extubated; however, 2 to 13% of cardiac surgery patients require reintubation in the ICU.

Objective: The objective of this study was to compare the initial intubation in the cardiac operating room with reintubation (if required) in the ICU following cardiac surgery.

Design: A prospective, observational study.

Setting: Department of Anesthesiology and Intensive Care Medicine, Clinical Hospital of Santiago, Spain.

Patients: With approval of the local ethics committee, over a 44-month period, we prospectively enrolled all cardiac surgical patients who were intubated in the operating room using direct laryngoscopy, and who required reintubation later in the ICU.

Main outcome measures: The primary endpoint was to compare first-time success rates for intubation in the operating room and ICU. Secondary endpoints were to compare the technical difficulties of intubation (modified Cormack-Lehane glottic view, operator-reported difficulty of intubation, need for support devices for direct laryngoscopy) and the incidence of complications.

Results: A total of 122 cardiac surgical patients required reintubation in the ICU. Reintubation was associated with a lower first-time success rate than in the operating room (88.5 vs. 97.6%, P = 0.0048). Reintubation in the ICU was associated with a higher incidence of Cormack-Lehane grades IIb, III or IV views (34.5 vs. 10.7%, P < 0.0001), a higher incidence of moderate or difficult intubation (17.2 vs. 6.5%, P = 0.0001) and a greater need for additional support during direct laryngoscopy (20.5 vs. 10.7%, P = 0.005). Complications were more common during reintubations in the ICU (39.3 vs. 5.7%, P < 0.0001).

Conclusion: Compared with intubations in the operating room, reintubation of cardiac surgical patients in the ICU was associated with more technical difficulties and a higher incidence of complications.

Clinical trial number: Ethics committee of Galicia number 2015-012.

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References

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    1. Ezri T, Weisenberg M, Khazin V, et al. Difficult laryngoscopy: incidence and predictors of difficult laryngoscopy in adult patients undergoing coronary artery bypass surgery versus general surgery patients. J Cardiothorac Vasc Anesth 2003; 17:321–324.
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