Radiat Oncol J.  2018 Mar;36(1):79-84. 10.3857/roj.2018.00017.

The impact of continuous positive airway pressure on radiation dose to heart and lung during left-sided postmastectomy radiotherapy when deep inspiration breath hold technique is not applicable: a case report

Affiliations
  • 1Medicine Service, Radiation Oncology Clinic, Oklahoma City VA Health Care System, Oklahoma City, OK, USA. whoonkil@gmail.com
  • 2University of Oklahoma Health Science Center, Oklahoma City, OK, USA.

Abstract

Deep inspiration breathing hold (DIBH) compared to free-breathing (FB) during radiotherapy (RT) has significantly decreased radiation dose to heart and has been one of the techniques adopted for patients with breast cancer. However, patients who are unable to make suitable deep inspiration breath may not be eligible for DIBH, yet still need to spare the heart and lung during breast cancer RT (left-sided RT in particular). Continuous positive airway pressure (CPAP) is a positive airway pressure ventilator, which keeps the airways continuously open and subsequently inflates the thorax resembling thoracic changes from DIBH. In this report, authors applied CPAP instead of FB during left-sided breast cancer RT including internal mammary node in a patient who was unable to tolerate DIBH, and substantially decreased radiation dose the heart and lung with CPAP compared to FB.

Keyword

Breast cancer; Left-sided PMRT; Heart; Lung; Continuous positive airway pressure (CPAP)

MeSH Terms

Breast Neoplasms
Continuous Positive Airway Pressure*
Heart*
Humans
Lung*
Radiotherapy*
Respiration
Thorax
Unilateral Breast Neoplasms
Ventilators, Mechanical
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