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There are left- and right-sided DLT—this refers to the bronchus the bronchial port should be in
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- The right-sided DLT has a fenestrated bronchial cuff with a hole for the RUL
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Left-sided DLT are most commonly used
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- Easier to position
- Longer left mainstem bronchus between the carina and the left upper lobe (less likely to occlude LUL)
- Right bronchus shorter in length, risk of obstructing right upper lobe with bronchial balloon is much higher
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Indications for right-sided DLT: Surgery involving left mainstem bronchus, or left pneumonectomy
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