Mazur Lukasz M, Adams Robert, Mosaly Prithima R, Stiegler Marjorie P, Nuamah Joseph, Adapa Karthik, Chera Bhishamjit, Marks Lawrence B
Department of Radiation Oncology, University of North Carolina, Chapel Hill, North Carolina.
School of Information and Library Sciences, University of North Carolina at Chapel Hill, North Carolina.
Adv Radiat Oncol. 2020 Sep 29;5(6):1106-1114. doi: 10.1016/j.adro.2020.09.008. eCollection 2020 Nov-Dec.
This study aimed to assess the impact of simulation-based training intervention on radiation therapy therapist (RTT) mental workload, situation awareness, and performance during routine quality assurance (QA) and treatment delivery tasks.
As part of a prospective institutional review board-approved study, 32 RTTs completed routine QA and treatment delivery tasks on clinical scenarios in a simulation laboratory. Participants, randomized to receive (n = 16) versus not receive (n = 16) simulation-based training had pre- and postintervention assessments of mental workload, situation awareness, and performance. We used linear regression models to compare the postassessment scores between the study groups while controlling for baseline scores. Mental workload was quantified subjectively using the NASA Task Load Index. Situation awareness was quantified subjectively using the situation awareness rating technique and objectively using the situation awareness global assessment technique. Performance was quantified based on procedural compliance (adherence to preset/standard QA timeout tasks) and error detection (detection and correction of embedded treatment planning errors).
Simulation-based training intervention was associated with significant improvements in overall performance ( < .01), but had no significant impact on mental workload or subjective/objective quantifications of situation awareness.
Simulation-based training might be an effective tool to improve RTT performance of QA-related tasks.
本研究旨在评估基于模拟的培训干预对放射治疗技师（RTT）在常规质量保证（QA）和治疗交付任务期间的心理负荷、态势感知和表现的影响。
作为一项经机构审查委员会批准的前瞻性研究的一部分，32名RTT在模拟实验室中完成了针对临床场景的常规QA和治疗交付任务。参与者被随机分为接受（n = 16）和不接受（n = 16）基于模拟的培训两组，并在干预前后对心理负荷、态势感知和表现进行评估。我们使用线性回归模型在控制基线分数的同时比较研究组之间的后评估分数。心理负荷使用美国国家航空航天局任务负荷指数进行主观量化。态势感知使用态势感知评级技术进行主观量化，并使用态势感知全局评估技术进行客观量化。表现基于程序合规性（遵守预设/标准QA超时任务）和错误检测（检测和纠正嵌入式治疗计划错误）进行量化。
基于模拟的培训干预与整体表现的显著改善相关（ <.01），但对心理负荷或态势感知的主观/客观量化没有显著影响。
基于模拟的培训可能是提高RTT与QA相关任务表现的有效工具。
