Dimensional Variations of Left-Sided Double-Lumen Endobronchial Tubes
Table 5
Tracheal and bronchial outer cuff diameters of the investigated left-sided double-lumen endobronchial tubes (DLTs) measured at a cuff pressure of 20 cm H2O.
Parameter
Size (Fr)
Sheridan DLT
Mallinckrodt DLT
Portex DLT
Rüsch DLT
VIVASIGHT DLT
Well Lead DLT
Tracheal cuff
35
23.4 (23.3–23.7; 78%)
24.3 (24.3–24.3)
28.5 (28.3–29.2)
27.6 (26.9–28.4)
28.3 (27.9–28.6)
29.7 (29.0–30.2)
37
25.9 (25.7–26.3)
25.0 (24.1–26.4; 78%)
32.1 (31.7–32.7)
27.0 (26.7–27.4)
28.6 (27.9–29.3)
28.9 (27.7–29.0)
39
24.9 (24.4–25.0; 77%)
26.3 (26.2–26.5)
32.2 (31.9–33.0)
28.6 (27.3–29.6)
28.8 (28.7–29.1)
29.6 (28.7–30.1)
41
24.7 (24.5–24.9; 72%)
25.6 (25.0–26.0)
34.2 (33.3–34.4)
27.1 (27.0–28.0)
29.3 (29.1–29.6)
30.5 (29.7–31.0)
Bronchial cuff
35
19.3 (19.0–19.8)
20.6 (20.4–20.8)
19.6 (19.3–20.2)
13.5 (12.5–14.4; 66%)
18.2 (17.6–18.7)
18.6 (18.4–19.2)
37
19.1 (18.9–20.1)
20.3 (19.5–21.0)
20.2 (19.5–20.7)
13.8 (13.4–14.4; 68%)
17.2 (16.4–18.2)
19.2 (17.9–19.7)
39
19.9 (19.8–20.1)
19.4 (19.0–20.0)
24.6 (24.0–26.0)
16.7 (16.4–17.0; 68%)
24.2 (19.0–28.8)
18.8 (18.4–19.1)
41
18.2 (17.8–18.6)
20.3 (20.0–20.9)
26.0 (25.0–27.0)
14.0 (13.6–14.5; 54%)
18.7 (18.2–19.2)
19.1 (18.8–19.4)
DLT sizes are in French (= 1/3 mm). Data are displayed as median (minimum-maximum) given as millimeter (mm). The largest cuff diameter of a respective DLT size is shaded in gray (100%), and the smallest diameter is marked with an asterisk () (proportion of largest OD).
