Comparison of the acromio-axillosuprasternal notch index with five anatomical indices for the prediction of difficult laryngoscopy and intubation.

However, continuous aspiration via a suction port carries a risk of causing obstruction of the bronchial blocker’s aspiration channel by pulmonary secretions or blood resulting from surgical manipulations, especially during lung re-expansion. Although this device seems effective to quickly achieve lung collapse, it cannot be advocated, in the current state of knowledge, as a technical support for all surgery.

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