Skip to main content

Table 1 Quantitative evaluation of the lung injury after BTT based on alveolar hemorrhage (infiltration of red blood cells (rbcs)), alveolar infiltration (intra-alveolar cells), intra-alveolar fibrin and congestion of alveolar septae

From: Influence of obesity on remodeling of lung tissue and organization of extracellular matrix after blunt thorax trauma

Tissue

0

1

2

3

Alveolar hemorrhage

None

At least 5 rbcs/alveolus in 1–5 alveoli

At least 5 rbcs/alveolus in 5–10 alveoli

At least 5 rbcs/alveolus in > 10 alveoli

Alveolar infiltration

No infiltration

< 5 intra-alveolar cells/field

10–20 intra-alveolar cells/field

> 20 intra-alveolar cells/field

Intra-alveolar fibrin

None

Fibrin in < 1/3

Fibrin in 1/3–2/3

Fibrin in > 2/3

Alveolar septae

All thin and delicate

Congested in < 1/3

Congested in 1/3–2/3

Congested in > 2/3