期刊
JOURNAL OF PATIENT SAFETY
卷 19, 期 1, 页码 E18-E24出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/PTS.0000000000001071
关键词
radiation oncology; stereotactic body radiotherapy; incident learning; human factors; barrier management; quality improvement
This study utilized an incident learning system (ILS) coupled with a Human Factor Analysis and Classification System (HFACS) to investigate the origin and detection of SBRT events and to identify factors contributing to safeguard failures. The results suggest that improvements in communication, documentation, and reducing time pressures and distractions can enhance safeguards in radiation oncology.
ObjectivesStereotactic body radiation therapy (SBRT) can improve therapeutic ratios and patient convenience, but delivering higher doses per fraction increases the potential for patient harm. Incident learning systems (ILSs) are being increasingly adopted in radiation oncology to analyze reported events. This study used an ILS coupled with a Human Factor Analysis and Classification System (HFACS) and barriers management to investigate the origin and detection of SBRT events and to elucidate how safeguards can fail allowing errors to propagate through the treatment process.MethodsReported SBRT events were reviewed using an in-house ILS at 4 institutions over 2014-2019. Each institution used a customized care path describing their SBRT processes, including designated safeguards to prevent error propagation. Incidents were assigned a severity score based on the American Association of Physicists in Medicine Task Group Report 275. An HFACS system analyzed failing safeguards.ResultsOne hundred sixty events were analyzed with 106 near misses (66.2%) and 54 incidents (33.8%). Fifty incidents were designated as low severity, with 4 considered medium severity. Incidents most often originated in the treatment planning stage (38.1%) and were caught during the pretreatment review and verification stage (37.5%) and treatment delivery stage (31.2%). An HFACS revealed that safeguard failures were attributed to human error (95.2%), routine violation (4.2%), and exceptional violation (0.5%) and driven by personnel factors 32.1% of the time, and operator condition also 32.1% of the time.ConclusionsImproving communication and documentation, reducing time pressures, distractions, and high workload should guide proposed improvements to safeguards in radiation oncology.
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