Table 3.
Impact of supraclavicular fossa (SCF) radiotherapy on heart and lung dose volume histogram (DVH) parameters
| DVH parameter | Free breathing | p-value | Breath hold | p-value | ||
|---|---|---|---|---|---|---|
| No SCF (n = 23) | SCF (n = 31) | No SCF (n = 23) | SCF (n = 31) | p-value | ||
| Heart | Heart | |||||
| Dmean [Gy] | 5.5 +/– 2.2 | 6.6 +/– 2.7 | 2.9 +/– 1.1 | 3.5 +/– 1.6 | ||
| Dmax [Gy] | 51.1 +/– 1.5 | 51.1 +/– 1.3 | 48.2 +/– 7.8 | 48.8 +/– 5.9 | ||
| V50Gy [%] | 1 +/– 1.3 | 0.5 +/– 0.9 | 0.3 +/– 0.7 | 0.2 +/– 0.3 | ||
| V40Gy [%] | 5.9 +/– 3.6 | 6.5 +/– 3.4 | NS | 1.6 +/– 1.4 | 2.4 +/– 2.2 | NS |
| V30Gy [%] | 7.2 +/– 4.1 | 8.3 +/– 3.9 | 2.3 +/– 1.8 | 3.3 +/– 2.6 | ||
| V25Gy [%] | 7.8 +/– 4.2 | 9.1 +/– 4.1 | 2.6 +/– 1.9 | 3.7 +/– 2.8 | ||
| V20Gy [%] | 8.4 +/– 4.4 | 9.8 +/– 4.4 | 2.9 +/– 2.1 | 4.2 +/– 3 | ||
| V15Gy [%] | 9.2 +/– 4.7 | 10.6 +/– 4.5 | 3.4 +/– 2.3 | 4.7 +/– 3.2 | ||
| V10Gy [%] | 10.4 +/– 5.1 | 12 +/– 4.8 | 4.2 +/– 2.6 | 5.6 +/– 3.5 | ||
| Lung | Lung | |||||
| Dmean [Gy] | 9 +/– 2.6 | 13.2 +/– 2.2 | < 0.05 | 9.3 +/– 3.2 | 11.8 +/– 2.4 | < 0.05 |
| Dmax [Gy] | 51.1 +/– 1.4 | 52 +/– 2.1 | NS | 50.4 +/– 1.1 | 50.8 +/– 1.1 | NS |
| V30Gy [%] | 13.4 +/– 4.9 | 21.7 +/– 4.7 | 14 +/– 4 | 19.6 +/– 3.3 | ||
| V20Gy [%] | 15.5 +/– 5.3 | 24.9 +/– 5.1 | < 0.05 | 16.3 +/– 4.4 | 22.3 +/– 3.8 | < 0.05 |
| V10Gy [%] | 19.8 +/– 6.1 | 31.2 +/– 5.5 | 21.5 +/– 5.5 | 28.8 +/– 3.6 | ||
NS = non-significant