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Table 2 Parameters derived from DHVs (FB and DIBH) of nine patients treated in DIBH. Prescribed dose was 50.0 Gy in 2.0 Gy fractions. Algorithm: CCC

From: Treatment planning and evaluation of gated radiotherapy in left-sided breast cancer patients using the CatalystTM/SentinelTM system for deep inspiration breath-hold (DIBH)

 

FB

DIBH

∆

Heart

 Dmax (Gy)

47,90 ± 1,39

[45,38–50,18]

19,74 ± 15,52

[6,41–48,23]

p = 0,008

 Dmean (Gy)

2,73 ± 1,40

[1,44–5,81]

1,31 ± 0,15

[1,08–1,49]

p = 0,011

 V5 (%)

6,75 ± 4,39

[3,11–15,90]

1,18 ± 0,77

[0,17–2,55]

p = 0,008

 V10 (%)

4,12 ± 3,45

[1,53–11,64]

0,26 ± 0,39

[0,00–1,12]

p = 0,008

 V15 (%)

3,39 ± 3,18

[1,15–10,40]

0,14 ± 0,25

[0,00–0,74]

p = 0,008

 V20 (%)

2,92 ± 2,95

[0,92–9,48]

0,09 ± 0,18

[0,00–0,53]

p = 0,008

 V25 (%)

2,55 ± 2,74

[0,69–8,68]

0,06 ± 0,14

[0,00–0,42]

p = 0,008

 V35 (%)

1,86 ± 2,30

[0,37–7,04]

0,03 ± 0,08

[0,00–0,23]

p = 0,008

 V45 (%)

0,84 ± 1,40

[0,03–4,12]

0,01 ± 0,02

[0,00–0,07]

p = 0,008

LAD

 Dmean (Gy)

18,91 ± 9,78

[4,82–33,26]

4,19 ± 1,52

[2,53–6,83]

p = 0,008

 D2% (Gy)

38,55 ± 12,40

[9,02–48,71]

9,66 ± 6,30

[3,64–22,12]

p = 0,008

 D2% 10 mm expanded (Gy)

48,63 ± 1,54

[44,97–50,60]

29,98 ± 15,52

[6,85–47,41]

p = 0,008

Ipsilateral lung

 Dmean (Gy)

8,01 ± 2,02

[5,50–11,43]

6,45 ± 1,31

[5,06–7,98]

p = 0,008

 V20 (%)

14,87 ± 4,41

[9,06–22,03]

10,96 ± 3,10

[6,87–47,41]

p = 0,008

Contralateral lung

 Dmean (Gy)

0,48 ± 0,17

[0,32–0,76]

0,51 ± 0,13

[0,32–0,67]

p = 0,953

PTV

 V95 (%)

81,78 ± 2,92

[77,32–85,95]

81,04 ± 4,95

[68,81–85,13]

p = 0,953