LAUSR

BACKGROUND Patient-Reported Outcomes Measurement Information System (PROMIS) scores have not previously been used to measure long-term outcomes in operatively treated capitellar osteochondritis dissecans (OCD) patients. The aims of our study were to 1) assess patient long term outcomes using PROMIS scores, 2) compare the performance of PROMIS to other validated elbow legacy metrics and 3) evaluate ceiling and floor effects in these outcome measures in patients undergoing surgical treatment for capitellar OCD. METHODS We evaluated demographics, procedure details, preoperative PROMIS scores, and associated sport information surgically treated pediatric capitellar OCD patients. Study participants were sent an online survey including the Kerlan-Jobe Orthopaedic Clinic Shoulder and Elbow Score (KJOC), the quick Disabilities of the Arm, Shoulder, and Hand questionnaire (QuickDASH), and the Liverpool Elbow Score questionnaire (Liverpool-PAQ), as well as the Mobility, Pain Interference, and Upper Extremity questionnaires from the PROMIS pediatrics bank. Correlations were evaluated between outcome measures. Ceiling and floor effects were evaluated for each outcome measure. RESULTS Completed surveys were obtained for 57 patients (59 elbows). Mean patient age at surgery was 14 years (range 10-18). The mean follow-up time was 6 years (SD=5, range 1-18). The mean preoperative PROMIS Mobility score improved from 41.2 to 55.2 (p<0.001) postoperatively. The mean preoperative Pain Interference score decreased from 46.9 to 38 (p<0.001) postoperatively. The mean preoperative Upper Extremity score improved from 42.7 to 53.2 (p<0.001) postoperatively. There were significant correlations between all legacy metrics and postoperative PROMIS scores (|r|>0.54, p<0.001). Ceiling or floor effects were seen in all legacy metrics and PROMIS scores. The KJOC score was least affected by a ceiling/floor effect. CONCLUSION There is a strong correlation between PROMIS scores and legacy measures evaluating outcomes after surgical management of capitellar OCD. However, large ceiling and floor effects were present in all measures, likely due to the favorable clinical results. The KJOC score was limited the least by the ceiling/floor effect.