PMC6202669_01
PMC6202669_02
Left-sided double-lumen tube, as used in both Case 1 and 2. Tracheal port and cuff are clear, bronchial port and cuff are blue.
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F1
Following CT the ETT was removed and the dog was bronchoscopically (OEV26IH 3.2mm flexible endoscope, Olympus, Australia) intubated with a left-DLT (Mallinckrodt 41F Left Broncho-Cath, Medtronic, Australia) as shown in Figure 1.
CT of Case 2 showing excessive advancement of double-lumen tube into left mainstem bronchus, following bronchoscopic placement.
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F3
A CT performed immediately after intubation revealed incorrect placement of the DLT with excessive advancement and occlusion of the cranial branch of the left mainstem bronchus (Fig. 3).
CT of Case 2 showing correct placement of double-lumen tube within left mainstem bronchus, following retraction of tube 30mm.
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F4
The DLT was then retracted and CT indicated correct placement of the bronchial port within the left mainstem bronchus without occlusion of any bronchial branches (Fig. 4).