Case-based Education Improves Clinician Competence in Appropriate Follow-up of Interstitial Lung Abnormalities

<bold>Background:</bold> Distinguishing interstitial lung abnormalities (ILAs) associated with progression and mortality risk due to interstitial lung disease (ILD) vs those of no clear significance and deciding on the best follow-up approach is challenging. <bold>Aims & Objectives</bold> We sought to improve physician knowledge of CT patterns consistent with risk for ILA progression, and competence in choosing the right follow-up approach. <bold>Methods:</bold> Physicians participated in an interactive case-based CME activity and completed all intra-activity and post-activity questions. The education effects were assessed via a 3-question, repeated pairs, pre-assessment/post-assessment study design and 1 confidence question. Differences from pre- to post-assessment were evaluated. The activity launched Nov 2023 and data were collected in Feb 2024. <bold>Results:</bold> Overall significant improvements were seen after participation for both radiologists (correct response rate of 64% at pre-assessment vs 92% at post-assessment; P<.001, Cohen’s d= 1.08, N=191), & pulmonologists (correct response rate of 70% at pre-assessment vs 94% at post-assessment; P<.001, Cohen’s d= 1.02, N=57). Specifically, significant improvements were observed in recognizing risk of progression to ILD based on clinical history and HRCT findings and ensuring appropriate referral and follow-up. After participating, 49% of radiologists and 40% of pulmonologists had measurable improved confidence related to identifying an appropriate follow-up protocol for patients with ILAs. <bold>Conclusions:</bold> This study demonstrates the success of online, interactive case-based education in improving physician knowledge and competence in appropriately triaging ILAs for follow-up care.