Purpose: This study was designed to determine if leaving a stylet in the left Bronch-Cath @ endobronchial tube (DLT) for the entire intubating procedure improves the accuracy of placement on the initial attempt, without introducing complications.Methods: Sixty ASA 1-3 patients were randomized to one of two groups. In Group I (n = 30) Accurate placement of double-lumen tubes (DLTs) is essential for one-lung ventilation. In the past, chest auscultation has been used to confirm placement of the CAN J ANAESTH 1996 / 43:3 / pp238-42

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