Table 2.
Outer diameter (OD), presented as lateral diameter (lat) und antero-posterior diameter (ap) of investigated left-sided double-lumen endobronchial tubes (DLT).
| Parameter | Size (Fr) | Axis | Sheridan DLT | Mallinckrodt DLT | Portex DLT | Rüsch DLT | VIVASIGHT DLT | Well Lead DLT |
|---|---|---|---|---|---|---|---|---|
| ODMIDDLE | 35 | lat | 13.0 (13.0–13.3) | 12.7 (12.7–12.7) | 12.4 (12.4–12.7; ∗94%) | 12.5 (12.4–12.6) | 13.2 (12.9–13.5) | 12.9 (12.4–13.5) |
| ap | 11.3 (11.0–11.5) | 11.7 (11.7–11.8) | 10.9 (10.8–11.0; ∗93%) | 11.0 (10.9–11.2) | 11.7 (11.6–11.9) | 11.6 (11.5–12.0) | ||
| 37 | lat | 13.0 (12.5–13.6; ∗94%) | 13.3 (13.3–13.5) | 13.3 (13.0–13.5) | 13.5 (13.0–13.8) | 13.4 (12.9–13.9) | 13.8 (13.6–14.0) | |
| ap | 11.2 (10.1–11.5; ∗85%) | 12.7 (12.6–12.7) | 11.4 (11.2–11.5) | 11.4 (11.3–11.6) | 13.2 (12.7–13.8) | 13.1 (13.0–13.4) | ||
| 39 | lat | 14.4 (14.3–14.6) | 14.4 (14.4–14.5) | 13.7 (13.5–14.0) | 13.4 (12.8–14.0; ∗93%) | 14.3 (14.1–14.3) | 14.3 (14.0–14.7) | |
| ap | 12.0 (11.9–12.2) | 13.5 (13.0–14.0) | 11.8 (11.8–11.9; ∗87%) | 12.5 (12.4–14.5) | 13.1 (13.1–13.2) | 13.6 (13.3–13.8) | ||
| 41 | lat | 14.5 (14.2–14.7) | 14.8 (14.7–14.9) | 14.5 (14.3–14.7; ∗96%) | 14.4 (14.3–14.7) | 15.0 (15.0–15.0) | 14.9 (14.8–15.0) | |
| ap | 12.8 (12.7–12.8) | 13.8 (13.6–13.9) | 12.5 (12.3–12.6; ∗89%) | 13.0 (13.0–13.1) | 14.0 (14.0–14.0) | 14.0 (13.9–14.2) | ||
|
| ||||||||
| ODPTC | 35 | lat | 13.7 (13.5–13.9) | 12.8 (12.7–12.8) | 12.8 (12.2–13.3) | 12.5 (12.3–12.6; ∗91%) | 13.5 (13.2–13.7) | 13.3 (13.0–13.5) |
| ap | 11.8 (11.7–11.9) | 12.1 (12.1–12.1) | 11.6 (11.6–11.9; ∗93%) | 11.7 (11.6–11.7) | 12.5 (12.3–12.7) | 12.4 (12.1–13.0) | ||
| 37 | lat | 13.9 (13.5–14.3) | 13.4 (13.3–13.6; ∗91%) | 14.0 (13.6–14.0) | 13.8 (13.5–13.9) | 14.7 (14.6–15.0) | 14.2 (13.8–14.6) | |
| ap | 12.0 (11.9–12.2; ∗87%) | 13.2 (13.1–13.2) | 12.0 (12.0–12.1; ∗87%) | 12.0 (11.9–12.0; ∗87%) | 13.7 (13.5–13.9) | 13.8 (13.4–14.3) | ||
| 39 | lat | 14.7 (14.4–15.0) | 14.2 (14.1–14.3) | 14.2 (13.9–14.7) | 13.9 (13.1–14.5; ∗94%) | 14.8 (14.7–14.9) | 14.8 (14.5–15.0) | |
| ap | 12.7 (12.7–12.8; ∗89%) | 13.4 (13.4–13.5) | 12.7 (12.5–12.8; ∗89%) | 13.0 (12.9–13.1) | 14.3 (13.8–14.9) | 14.1 (13.8–14.7) | ||
| 41 | lat | 14.8 (14.5–15.0) | 14.9 (14.8–14.9) | 15.2 (15.0–15.5) | 14.7 (14.4–14.7; ∗94%) | 15.6 (15.5–16.1) | 15.6 (15.1–15.9) | |
| ap | 13.5 (13.4–13.6) | 14.0 (14.0–14.1) | 13.3 (13.3–13.4; ∗91) | 13.7 (13.6–13.7) | 14.6 (14.3–14.9) | 14.6 (14.6–14.7) | ||
|
| ||||||||
| ODDTC | 35 | lat | 14.6 (14.2–14.9) | 12.9 (12.8–13.0; ∗88%) | 13.1 (12.8–13.2) | 13.1 (13.1–13.2) | 13.9 (13.8–14.1) | 13.4 (12.5–13.5) |
| ap | 11.8 (11.8–12.0) | 12.1 (12.1–12.2) | 11.6 (11.6–12.1; ∗89%) | 11.6 (11.6–11.7; ∗89%) | 13.1 (12.8–13.5) | 12.5 (12.1–13.3) | ||
| 37 | lat | 13.6 (13.6–14.2; ∗93%) | 13.6 (13.6–13.8; ∗93%) | 13.6 (13.6–14.0; ∗93%) | 13.8 (13.4–14.0) | 14.6 (14.4–14.7) | 14.3 (14.1–14.5) | |
| ap | 12.2 (12.1–12.3) | 13.2 (13.2–13.2) | 12.0 (11.9–12.2) | 11.9 (11.7–12.2; ∗84%) | 14.2 (13.8–14.7) | 13.9 (13.5–14.2) | ||
| 39 | lat | 14.8 (14.7–14.9) | 14.5 (14.4–14.6) | 14.3 (14.0–14.4; ∗97%) | 14.4 (14.2–14.6) | 14.8 (14.7–15.0) | 14.7 (14.4–15.0) | |
| ap | 12.8 (12.8–12.9) | 13.4 (13.3–13.5) | 12.6 (12.6–12.7; ∗90%) | 12.9 (12.7–13.4) | 14.0 (13.9–14.4) | 14.0 (13.8–14.3) | ||
| 41 | lat | 15.3 (15.0–15.4) | 14.9 (14.8–15.0) | 15.1 (15.0–15.2) | 14.7 (14.6–14.7; ∗94%) | 15.4 (15.1–15.5) | 15.6 (15.3–15.6) | |
| ap | 13.6 (13.5–13.7) | 14.0 (14.0–14.1) | 13.2 (13.1–13.6; ∗90%) | 13.5 (13.5–14.1) | 14.6 (14.5–14.7) | 14.5 (14.4–14.6) | ||
|
| ||||||||
| ODPBC | 35 | lat | 8.8 (8.3–9.0) | 9.0 (8.9–9.1) | 7.8 (7.5–8.1; ∗85%) | 9.2 (9.1–9.3) | 9.0 (8.5–9.5) | 9.0 (8.7–9.1) |
| ap | 10.8 (10.7–10.8) | 9.5 (9.4–9.7; ∗88%) | 10.7 (10.6–10.9) | 10.7 (10.5–10.9) | 10.4 (10.3–10.5) | 10.3 (10.2–10.6) | ||
| 37 | lat | 8.8 (8.5–9.1) | 10.0 (9.5–10.0) | 7.8 (7.7–8.0; ∗78%) | 9.3 (9.1–9.7) | 8.9 (8.8–9.0) | 9.8 (9.6–9.9) | |
| ap | 11.1 (10.8–11.2) | 10.8 (10.7–11.0) | 10.9 (10.7–11.0) | 10.8 (10.7–11.2) | 10.7 (10.5–11.3; ∗96%) | 11.1 (11.0–11.2) | ||
| 39 | lat | 8.7 (8.5–9.0) | 10.4 (10.3–10.8) | 8.1 (7.8–8.4; ∗78%) | 10.4 (9.8–10.8) | 9.3 (8.9–9.7) | 9.7 (9.3–10.3) | |
| ap | 11.3 (11.1–11.5) | 10.9 (10.8–11.1) | 11.7 (11.2–11.8) | 11.6 (11.4–11.7) | 10.8 (10.5–11.0; ∗92%) | 11.4 (11.0–12.0) | ||
| 41 | lat | 8.9 (8.8–9.4) | 10.2 (10.1–10.4) | 8.8 (8.7–9.5; ∗82%) | 10.7 (10.0–11.1) | 9.1 (8.9–9.2) | 9.9 (9.2–10.0) | |
| ap | 12.5 (12.2–12.7) | 11.2 (11.0–11.5) | 12.3 (12.2–12.4; ∗90%) | 12.1 (11.9–12.2) | 12.2 (12.1–12.3) | 11.7 (11.5–11.9) | ||
|
| ||||||||
| ODDBC | 35 | lat | 9.0 (8.5–9.3) | 9.1 (9.1–9.2) | 8.4 (8.0–8.6; ∗89%) | 9.3 (9.1–9.7) | 9.4 (9.0–9.8) | 8.7 (8.4–9.1) |
| ap | 11.2 (10.9–11.3) | 10.2 (10.1–10.3) | 9.9 (9.6–10.0; ∗88%) | 10.1 (9.5–11.0) | 11.0 (10.8–11.0) | 10.7 (10.3–10.9) | ||
| 37 | lat | 9.8 (9.7–10.0) | 10.0 (10.0–10.0) | 8.6 (8.5–8.7; ∗86%) | 9.9 (9.3–10.3) | 9.2 (9.1–9.6) | 9.9 (9.6–10.0) | |
| ap | 11.4 (11.4–11.9) | 11.1 (11.0–11.3) | 10.0 (10.0–10.1; ∗84%) | 11.4 (10.6–11.5) | 11.4 (11.3–11.5) | 11.9 (11.6–12.0) | ||
| 39 | lat | 8.9 (8.7–9.0; ∗83%) | 10.5 (10.0–10.5) | 9.6 (9.2–9.7) | 10.2 (10.1–10.5) | 10.2 (10.0–10.3) | 10.7 (10.0–12.0) | |
| ap | 11.7 (11.7–11.8) | 11.5 (11.0–11.6) | 11.4 (11.3–11.5) | 11.5 (10.9–11.8) | 11.3 (11.3–11.3) | 10.7 (9.7–11.8; ∗91%) | ||
| 41 | lat | 8.9 (8.7–9.2; ∗84%) | 10.6 (10.5–10.7) | 10.0 (9.9–10.0) | 10.6 (10.3–10.7) | 9.6 (9.2–9.7) | 10.2 (9.8–10.5) | |
| ap | 12.8 (12.5–12.9) | 11.5 (11.4–11.7) | 11.3 (11.0–11.5; ∗88%) | 12.3 (12.0–12.6) | 12.0 (12.0–12.1) | 12.0 (12.0–12.3) | ||
ODMIDDLE = outer diameter in the middle (B) between the beginning of the DLT shaft (A) and the proximal edge of the tracheal cuff (C); ODPTC = outer diameter at the proximal edge of the tracheal cuff (C); ODDTC = outer diameter at the distal edge of the tracheal cuff (D); ODPBC = outer diameter at the proximal edge of the bronchial cuff (E); ODDBC = outer diameter at the distal edge of the bronchial cuff (F) (see also Figure 1). DLT sizes are in French (= 1/3 mm). Data are displayed as median (minimum-maximum), and dimension is millimeter (mm). The largest diameter of a respective DLT size is shaded in gray (100%), the smallest diameter marked with an asterisk (∗) (proportion of largest OD).