Using surface imaging and visual coaching to improve the reproducibility and stability of deep-inspiration breath hold for left-breast-cancer radiotherapy

Laura I. Cerviño, Sonia Gupta, Mary A. Rose, Catheryn Yashar, Steve B. Jiang

Research output: Contribution to journalArticle

65 Citations (Scopus)

Abstract

Late cardiac complications may arise after left-breast radiation therapy. Deep-inspiration breath hold (DIBH) allows reduction of the irradiated heart volume at the same time as it reduces tumor bed motion and increases lung sparing. In the present study, we have evaluated the improvement in reproducibility and stability of the DIBH for left-breast-cancer treatment when visual coaching is provided with the aid of 3D video surface imaging and video goggles. Five left-breast-cancer patients and fifteen healthy volunteers were asked to perform a series of DIBHs without and with visual coaching. Reproducibility and stability of DIBH were measured for each individual with and without visual coaching. The average reproducibility and stability changed from 2.1 mm and 1.5 mm, respectively, without visual feedback to 0.5 mm and 0.7 mm with visual feedback, showing a significant statistical difference (p < 0.001 for reproducibility, p < 0.01 for stability). Significant changes (>2 mm) in reproducibility and stability were observed in 35% and 15% of the subjects, respectively. The average chest wall excursion of the DIBH with respect to the free breathing preceding the DIBH was found to be 11.3 mm. The reproducibility and stability of the DIBH improve significantly from the visual coaching provided to the patient, especially in those patients with poor reproducibility and stability.

Original languageEnglish (US)
Pages (from-to)6853-6865
Number of pages13
JournalPhysics in Medicine and Biology
Volume54
Issue number22
DOIs
StatePublished - 2009

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Radiotherapy
Breast Neoplasms
Sensory Feedback
Eye Protective Devices
Cardiac Volume
Thoracic Wall
Healthy Volunteers
Respiration
Breast
Lung
Mentoring
Neoplasms
Therapeutics

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology

Cite this

Using surface imaging and visual coaching to improve the reproducibility and stability of deep-inspiration breath hold for left-breast-cancer radiotherapy. / Cerviño, Laura I.; Gupta, Sonia; Rose, Mary A.; Yashar, Catheryn; Jiang, Steve B.

In: Physics in Medicine and Biology, Vol. 54, No. 22, 2009, p. 6853-6865.

Research output: Contribution to journalArticle

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