Table 4.
Preoperative predicted and postoperative values of patients with pulmonary emphysema.
| Segment Counting Method | Planar Perfusion Scintigraphy (Mende Method) | Perfusion-SPECT-Based Quantification | Postoperative Values | ||
|---|---|---|---|---|---|
| 1 | FEV1 (L) FEV1 (%) DLCO (%) |
1.46 60 42 |
1.53 63 44 |
1.78 74 52 |
1.81 92 50 |
| 2 | FEV1 (L) FEV1 (%) DLCO (%) |
1.38 44 49 |
1.55 49 55 |
1.76 56 62 |
1.63 55 61 |
| 3 | FEV1 (L) FEV1 (%) DLCO (%) |
0.98 41 27 |
1.09 46 30 |
1.12 47 30 |
1.34 44 44 |
| 4 | FEV1 (L) FEV1 (%) DLCO (%) |
0.85 33 38 |
0.85 33 (38) |
0.89 34 (40) |
0.94 34 ∅ |
Calculation of the predicted FEV1 and DLCO for the respective methods and results of the actual postoperative lung function testing. n = 4.