Bronchial blockers are used to achieve lung separation and one lung ventilation as an alternative to double-lumen endotrachealtubes ( DLT ) and are the method of choice in children and paediatric patients for whom even the smallest DLTs might be too big.
2.
However, lung deflation on the side of the chest where VATS is being performed is a must to be able to visualize and pass instruments into the thorax; this is usually effected with a double-lumen endo-tracheal tube that allows for single lung ventilation or a bronchial blocker delivered via a standard single-lumen endotracheal tube.
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