From: Effect of pulmonary arteriovenous malformations on the mechanical properties of the lungs
TLC (% pred.) | RV (% pred.) | VC (% pred.) | FEV1 (% pred.) | FEF25 (% pred.) | A-a O2 gradient (mmHg) | |
---|---|---|---|---|---|---|
Number | ||||||
No PAVM | 98.7 ± 11.7 (n = 86) | 102.9 ± 26.1 (n = 86) | 101.7 ± 12.4 (n = 88) | 101.4 ± 12.3 (n = 88) | 80.4 ± 27.8 (n = 87) | 10.4 ± 8.2 (n = 84) |
1-3 PAVMs | 99.4 ± 11.9 (n = 45) | 99.0 ± 24.7 (n = 45) | 103.8 ± 14.0 (n = 45) | 102.9 ± 12.1 (n = 45) | 79.1 ± 30.4 (n = 45) | 13.3 ± 12.0 (n = 45) |
≥ 4 PAVMS | 101.9 ± 11.8 (n = 20) | 108.7 ± 28.7 (n = 20) | 100.4 ± 15.5 (n = 22) | 99.7 ± 16.8 (n = 22) | 78.7 ± 35.2 (n = 22) | 18.2 ± 15.3 (n = 22) |
p | NS | NS | NS | NS | NS | 0.009 |
Size | ||||||
No PAVM | 98.7 ± 11.7 (n = 86) | 102.9 ± 26.1 (n = 86) | 101.7 ± 12.4 (n = 88) | 101.4 ± 12.3 (n = 88) | 80.4 ± 27.8 (n = 87) | 10.4 ± 8.2 (n = 84) |
Microscopic PAVM(s) | 100.7 ± 11.5 (n = 45) | 97.1 ± 23.7 (n = 45) | 104.5 ± 13.1 (n = 47) | 103.4 ± 12.7 (n = 47) | 82.2 ± 31.2 (n = 47) | 10.9 ± 9.2 (n = 47) |
≥ 1 macroscopic PAVM | 99.0 ± 12.7 (n = 20) | 113.0 ± 28.7 (n = 20) | 98.3 ± 16.8 (n = 20) | 98.0 ± 15.8 (n = 20) | 71.5 ± 32.6 (n = 20) | 24.5 ± 16.3 (n = 20) |
p | NS | NS | NS | NS | NS | 0.0001 |
Uni- or bilateral | ||||||
No PAVM | 98.7 ± 11.7 (n = 86) | 102.9 ± 26.1 (n = 86) | 101.7 ± 12.4 (n = 88) | 101.4 ± 12.3 (n = 88) | 80.4 ± 27.8 (n = 87) | 10.4 ± 8.2 (n = 84) |
Unilateral PAVM(s) | 100.1 ± 12.2 (n = 38) | 101.8 ± 25.0 (n = 38) | 102.7 ± 13.1 (n = 38) | 102.7 ± 12.3 (n = 38) | 80.4 ± 29.4 (n = 38) | 11.9 ± 10.0 (n = 38) |
Bilateral PAVMs | 100.2 ± 11.5 (n = 27) | 102.3 ± 28.3 (n = 27) | 102.6 ± 16.4 (n = 29) | 100.7 ± 15.6 (n = 29) | 77.2 ± 35.1 (n = 29) | 18.9 ± 15.9 (n = 29) |
p | NS | NS | NS | NS | NS | 0.001 |