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Reproducibility of deep inspiration breath hold for prone left-sided whole breast irradiation

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Abstract
Background: Investigating reproducibility and instability of deep inspiration breath hold (DIBH) in the prone position to reduce heart dose for left-sided whole breast irradiation. Methods: Thirty patients were included and underwent 2 prone DIBH CT-scans during simulation. Overlap indices were calculated for the ipsilateral breast, heart and lungs to evaluate the anatomical reproducibility of the DIBH maneuver. The breathing motion of 21 patients treated with prone DIBH were registered using magnetic probes. These breathing curves were investigated to gain data on intra-fraction reproducibility and instability of the different DIBH cycles during treatment. Results: Overlap index was 0.98 for the ipsilateral breast and 0.96 for heart and both lungs between the 2 prone DIBH-scans. The magnetic sensors reported population amplitudes of 2.8 +/- 1.3 mm for shallow breathing and 11.7 +/- 4.7 mm for DIBH, an intra-fraction standard deviation of 1.0 +/- 0.4 mm for DIBH, an intra-breath hold instability of 1.0 +/- 0.6 mm and a treatment time of 300 +/- 69 s. Conclusion: Prone DIBH can be accurately clinically implemented with acceptable reproducibility and instability.
Keywords
Radiotherapy, Breast, Prone position, Supine position, Deep inspiration breath hold, Reproducibility, CANCER PATIENTS, RADIATION-THERAPY, SUPINE POSITION, SETUP PRECISION, HEART-DISEASE, RADIOTHERAPY, LUNG, WOMEN, IMRT

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Chicago
MULLIEZ, THOMAS, Liv Veldeman, Tom Vercauteren, Werner De Gersem, Bruno Speleers, Annick Van Greveling, Dieter Berwouts, Vincent Remouchamps, Rudy Van den Broecke, and Wilfried De Neve. 2015. “Reproducibility of Deep Inspiration Breath Hold for Prone Left-sided Whole Breast Irradiation.” Radiation Oncology 10.
APA
MULLIEZ, T., Veldeman, L., Vercauteren, T., De Gersem, W., Speleers, B., Van Greveling, A., Berwouts, D., et al. (2015). Reproducibility of deep inspiration breath hold for prone left-sided whole breast irradiation. RADIATION ONCOLOGY, 10.
Vancouver
1.
MULLIEZ T, Veldeman L, Vercauteren T, De Gersem W, Speleers B, Van Greveling A, et al. Reproducibility of deep inspiration breath hold for prone left-sided whole breast irradiation. RADIATION ONCOLOGY. 2015;10.
MLA
MULLIEZ, THOMAS, Liv Veldeman, Tom Vercauteren, et al. “Reproducibility of Deep Inspiration Breath Hold for Prone Left-sided Whole Breast Irradiation.” RADIATION ONCOLOGY 10 (2015): n. pag. Print.
@article{5913683,
  abstract     = {Background: Investigating reproducibility and instability of deep inspiration breath hold (DIBH) in the prone position to reduce heart dose for left-sided whole breast irradiation. 
Methods: Thirty patients were included and underwent 2 prone DIBH CT-scans during simulation. Overlap indices were calculated for the ipsilateral breast, heart and lungs to evaluate the anatomical reproducibility of the DIBH maneuver. The breathing motion of 21 patients treated with prone DIBH were registered using magnetic probes. These breathing curves were investigated to gain data on intra-fraction reproducibility and instability of the different DIBH cycles during treatment. 
Results: Overlap index was 0.98 for the ipsilateral breast and 0.96 for heart and both lungs between the 2 prone DIBH-scans. The magnetic sensors reported population amplitudes of 2.8 +/- 1.3 mm for shallow breathing and 11.7 +/- 4.7 mm for DIBH, an intra-fraction standard deviation of 1.0 +/- 0.4 mm for DIBH, an intra-breath hold instability of 1.0 +/- 0.6 mm and a treatment time of 300 +/- 69 s.
Conclusion: Prone DIBH can be accurately clinically implemented with acceptable reproducibility and instability.},
  articleno    = {9},
  author       = {MULLIEZ, THOMAS and Veldeman, Liv and Vercauteren, Tom and De Gersem, Werner and Speleers, Bruno and Van Greveling, Annick and Berwouts, Dieter and Remouchamps, Vincent and Van den Broecke, Rudy and De Neve, Wilfried},
  issn         = {1748-717X},
  journal      = {RADIATION ONCOLOGY},
  language     = {eng},
  pages        = {6},
  title        = {Reproducibility of deep inspiration breath hold for prone left-sided whole breast irradiation},
  url          = {http://dx.doi.org/10.1186/s13014-014-0313-4},
  volume       = {10},
  year         = {2015},
}

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