Skip to main content

Table 3 In- and expiratory cross sectional areas at different levels of the central airway

From: Severe tracheal and bronchial collapse in adults with type II mucopolysaccharidosis

Location Patient 1 Patient 2 Patient 3 Patient 4 Patient 5
1 cm above aortic arch 0.83 → 0.32 (61 %) 2.21 → 0.63 (71 %) 1.66 → 0.67 (60 %) 0.81 → 0.26 (68 %) 0.84 → 0.19 (77 %)
Aortic arch 1.02 → 0.39 (62 %) 2.08 → 0.75 (64 %) 1.58 → 0.11 (93 %) 0.35 → 0.12 (66 %) 0.87 → 0.69 (21 %)
2 cm above carina 1.04 → 0.53 (49 %) 2.07 → 0.98 (53 %) 1.59 → 0.27 (83 %) 0.3 → 0.3 (0 %) 0.80 → 0.53 (34 %)
1 cm below carina left main bronchus 0.54 → 0.4 (26 %) 1.16 → 0.4 (66 %) 1.04 → 0.41 (61 %) 0.31 → 0.13 (58 %) 0.53 → 0.34 (36 %)
1 cm below carina right main bronchus 0.52 → 0.29 (44 %) 1.33 → 0.65 (51 %) 1.55 → 0.37 (76 %) 0.54 → 0.49 (9 %) 0.64 → 0.56 (13 %)
  1. Before arrow: cross sectional area in cm at end inspiration, after the arrow: cross sectional area at end expiration in cm, in brackets percentage airway lumen collapse between end-inspiratory and end-expiratory imaging