Deviation From Delivery Of Radiation Therapy To Childhood Cancer Patients: A Retrospective Audit
2021
BACKGROUND Planning and coordination of the delivery of radiation therapy (RT) can be challenging in resource-limited settings. In this retrospective study, we describe the profile of children undergoing radiation and analyze deviation from some accepted norms. PROCEDURE Data on all children (<18 years of age) with cancer who completed RT from January 2009 to December 2019 were retrieved. Diagnostic groups with more than five patients were included in the analysis for deviations in RT (time to start [TTS]; total dose delivered [TDD] in gray; and time to complete [TTC]). We investigated reasons for deviation. RESULTS Two hundred seven children received RT as front-line treatment (68% Indian, 59% male). Most common diagnoses were brain tumors (44%), lymphomas (13%), leukemias, and soft tissue sarcomas (10% each). TTS deviation was seen in 23.6%, TTD in 6.0%, and TTC in 24.7%, while 43.4% had at least one deviation in any of these three parameters. Deviation in TTS varied significantly by location of preceding treatment and by cancer (greatest deviation in sarcomas), with issues around access to health care being the most common reason. Deviation in TTC varied significantly by cancer (greatest deviation in sarcomas and medulloblastoma), with myelotoxicity being the most common reason. CONCLUSIONS Our study adds to the limited literature on RT quality for children with cancer in resource-limited settings. Certain cancers (sarcomas and medulloblastomas) and patient groups (preceding treatment outside our institute) had the maximum deviation. Barriers to accessing care and myelotoxicity were the two main reasons for this deviation.
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