University of Ottawa Heart Institute, Ottawa, Canada; Department of Medicine (Cardiology), University of Ottawa, Ottawa, Canada; Department of Radiology, University of Ottawa, Ottawa, Canada.
University of Ottawa Heart Institute, Ottawa, Canada; Department of Medicine (Cardiology), University of Ottawa, Ottawa, Canada.
JACC Cardiovasc Imaging. 2021 Aug;14(8):1584-1593. doi: 10.1016/j.jcmg.2021.01.040. Epub 2021 Apr 14.
This study sought to assess training volumes and its relationship to learning and identify potential new thresholds for determining expertise.
Competency-based medical education (CBME) is being rapidly adopted and therefore training programs will need to adapt and identify new and novel methods of defining, measuring, and assessing clinical skills.
Consecutive cardiac computed tomography (CT) studies were interpreted independently by trainees and expert readers, and their interpretations (Agatston score, coronary artery disease severity, and Coronary Artery Disease Reporting and Data System) were collected. Kappa agreements were measured between trainees and experts for every 50 consecutive cases. Agreements between trainees and experts were tracked and compared with the agreement between expert readers.
A total of 36 trainees interpreted 14,432 cardiac CT studies. Agreement between trainees and experts increased with CT case volumes, but trainees learned at different rates. Using a threshold for expertise, skill of measuring coronary calcification was achieved within 50 cases, but expertise for coronary CT angiography appeared to require a mean case volume of 750, comprising 400 abnormal cases.
Current volume-based training guidelines may be insufficient and higher case volumes may be required. We demonstrate that tracking cardiac CT learners is feasible and that CBME could be incorporated into CT training programs.
本研究旨在评估培训量及其与学习的关系,并确定确定专业知识的潜在新阈值。
基于能力的医学教育(CBME)正在迅速采用,因此培训计划将需要适应并确定新的和新颖的方法来定义、衡量和评估临床技能。
连续的心脏 CT(CT)研究由学员和专家读者独立解读,并收集他们的解读结果(Agatston 评分、冠状动脉疾病严重程度和冠状动脉疾病报告和数据系统)。每连续 50 例测量学员和专家之间的 Kappa 一致性。跟踪学员和专家之间的协议,并与专家读者之间的协议进行比较。
共有 36 名学员解读了 14432 例心脏 CT 研究。学员和专家之间的一致性随着 CT 病例量的增加而增加,但学员的学习速度不同。使用专业知识的阈值,测量冠状动脉钙化的技能在 50 例病例内即可实现,但冠状动脉 CT 血管造影的专业知识似乎需要平均 750 例病例,其中包括 400 例异常病例。
目前基于量的培训指南可能不足,需要更多的病例量。我们证明跟踪心脏 CT 学习者是可行的,并且 CBME 可以纳入 CT 培训计划。