Moving toward uniform and evidence-based practice of radiotherapy for management of cervical cancer in Ontario, Canada

Publication date: Available online 19 April 2018
Source:Brachytherapy
Author(s): Negin Shahid, Timothy Craig, Mary Westerland, Allison Ashworth, Michelle Ang, David D'Souza, Raxa Sankreacha, Anthony Fyles, Michael Milosevic, Iwa Kong
PurposeTo recognize the practice of radiotherapy for management of cervical cancer in Ontario, Canada, and to use the results of the survey to harmonize and standardize practice across the province.Methods and MaterialsAn electronic survey (SurveyMonkey) was sent to all 14 provincial cancer centers by Cancer Care Ontario Gynecology Community of Practice (CoP) in 2013. The survey included 72 questions in four different categories: general/demographic, pretreatment assessment, external beam radiotherapy (EBRT), and brachytherapy (BT).ResultsTen of 14 centers treated cervical cancer patients and had a dedicated BT suite. All 10 centers had a peer review process for quality assurance. EBRT technique was a 4-field box in eight of 10 centers. The dose/fractionation for pelvic EBRT was 45–50 Gy in 1.8–2 Gy/fraction in all but one center. Nine of 10 centers used high-dose-rate BT. Only one center offered interstitial BT. For treatment planning, two centers used CT and MRI, five centers used CT, and three centers used orthogonal x-rays. Groupe Européen de Curiethérapie and the European Society for Radiotherapy & Oncology guidelines were used in four of seven of the centers for target volume delineation and in five of seven centers for organs at risk dose constraints. All but one center prescribed and reported dose to Point A.ConclusionsThe survey identified areas where practice varied across the province. Gynecology CoP used this information to identify priorities for practice change and implemented several strategies to harmonize the care of women with cervical cancer. This highlights the value of interdisciplinary, grass-roots initiatives such as CoPs to standardize practice in a practical manner that directly benefits patients.



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