Table 2 The diameter of the tracheal and the bronchial cuffs when they were collapsed or inflated.

From: The feasibility and accuracy of the method for selecting the optimal size of double-lumen tube in thoracic surgery: a prospective, randomized controlled trial

 

Diameters of collapsed cuffs

Diameters of inflated cuffs

Tracheal cuff (mm)

Bronchial cuff (mm)

Tracheal cuff (mm)

Bronchial cuff (mm)

Fr28

11

9

20

14

Fr32

12

10

22

16

Fr35

13

11

24

18

Fr37

14

12

26

20

Fr39

15

13

28

22

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