Table 1 Threshold volume of intrapleural air for ultrasound confirmation of pneumothorax in 20 porcine models
Pig | Weight (Kg) | Catheter level (Costa) | Thoracic side (Pneumothorax) | Threshold volume (mL)a |
|---|---|---|---|---|
1 | 61.0 | 3–4 | Left | 10 |
2 | 58.5 | 3–4 | Left | 10 |
3 | 55.5 | 5–6 | Right | 25 |
4 | 58.3 | 4–5 | Left | 10 |
5 | 58.0 | 5–6 | Right | 10 |
6 | 58.0 | 5–6 | Left | 10 |
7 | 58.0 | 4–5 | Left | 10 |
8 | 59.5 | 4–5 | Left | 10 |
9 | 58.0 | 5–6 | Right | 10 |
10 | 61.0 | 5–6 | Left | 10 |
11 | 46.5 | 5–6 | Right | 10 |
12 | 50.3 | 5–6 | Right | 50 |
13 | 52.4 | 6–7 | Right | 25 |
14 | 49.6 | 5–6 | Left | 25 |
15 | 48.6 | 5–6 | Left | 10 |
16 | 50.0 | 6–7 | Left | 50 |
17 | 52.0 | 5–6 | Left | 25 |
18 | 50.0 | 5–6 | Right | 10 |
19 | 46.4 | 6–7 | Left | 10 |
20 | 50.1 | 6–7 | Right | 25 |