Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology
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Palliative radiotherapy constitutes nearly 50% of the workload in radiotherapy. Surveys on the patterns of practice in radiotherapy have been published from North America and Europe. Our objective was to determine the current pattern of practice of radiation oncologists in Canada for the palliation of bone metastases. ⋯ Local field external radiotherapy remains the mainstay of therapy, and the most common fractionation for bone metastases in Canada is 20 Gy in five fractions compared with 30 Gy in ten fractions in the US. Despite randomized trials showing similar results for single compared with fractionated radiotherapy, the majority of us still advocate five fractions. The frequency of employing a single fractionation has not changed since the last national survey in 1992. Nearly 70% use a standard dose fractionation to palliate localized painful metastasis by radiotherapy, independent of the site of involvement or tumor type. The pattern of practice of palliative radiotherapy for bone metastases in Canada is different to that reported previously from the US. The reasons why the results of randomized studies on bone metastases have no impact on the patterns of practice are worth exploring.
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To survey Australian and New Zealand (ANZ) radiation oncologists on their preferred fractionation regimens for pain due to bone metastases in the context of similar overseas surveys and the large body of evidence from randomized trials. ⋯ The findings from this ANZ survey largely reflect the results from other surveys performed in the UK, Europe, Canada and USA. Although debate continues in the literature, the continuing preference of radiation oncologists to fractionate for local bone pain is contrary to the 16 randomized trials published to date which give little support for a dose-response relationship above a single 6-8 Gy in this setting. This practice has significant implications for departmental workload, costs to the healthcare system and patient convenience. There is no objective evidence on the influence of fractionation for neuropathic bone pain in the literature at present, although an ANZ randomized trial addressing this problem is under way (TROG 96.05).
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To analyze the reimbursement modalities for radiotherapy in the different Western European countries, as well as to investigate if these differences have an impact on the palliative radiotherapy practice for bone metastases. ⋯ Reimbursement systems seem to influence radiotherapy practice. One should therefore aim to develop reimbursement criteria that pursue to deliver, not only the best qualitative, but also the most cost-effective treatments to the patients.