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Article Dans Une Revue Physica Medica Année : 2023

Management of reirradiations: A clinical and technical overview based on a French survey

Résumé

Introduction: The reirradiation number increased due to systemic therapies and patient survival. Few guidelines regarding acceptable cumulative doses to organs at risk (OARs) and appropriate dose accumulation tools need, made reirradiation challenging. The survey objective was to present the French current technical and clinical practices in reirradiations. Methods: A group of physician and physicists developed a survey gathering major issues of the topic. The questionnaire consisted in 4 parts: data collection, demographic, clinical and technical aspects. It was delivered through the SFRO and the SFPM. Data collection lasted 2 months and were gathered to compute statistical analysis. Results: 48 institutions answered the survey. Difficulties about patient data collection were related to patient safety, administrative and technical limitations. Half of the institutions discussed reirradiation cases during a multidisciplinary meeting. It mainly aimed at discussing the indication and the new treatment total dose (92%). 79% of the respondents used various references but only 6% of them were specific to reirradiations. Patients with pain and clinical deficit were ranked as best inclusion criteria. 54.2% of the institutions considered OARs recovery, especially for spinal cord and brainstem. A commercial software was used for dose accumulation for 52% of respondents. Almost all institutions performed equivalent dose conversion (94%). A quarter of the institutions estimated not to have the appropriate equipment for reirradiation. Conclusion: This survey showed the various approaches and tools used in reirradiation management. It highlighted issues in collecting data, and the guidelines necessity for safe practices, to increase clinicians confidence in retreating patients.
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Origine : Publication financée par une institution
Licence : CC BY - Paternité

Dates et versions

hal-04087078 , version 1 (02-05-2023)

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Myriam Ayadi, Pauline Dupuis, Thomas Baudier, Laeticia Padovani, David Sarrut, et al.. Management of reirradiations: A clinical and technical overview based on a French survey. Physica Medica, 2023, 109, pp.102582. ⟨10.1016/j.ejmp.2023.102582⟩. ⟨hal-04087078⟩
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