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White-Light Body Scanning Captures Three-Dimensional Shoulder Deformity After Displaced Diaphyseal Clavicle Fracture. Journal of orthopaedic trauma DeBaun, M. R., Lai, C., Schultz, B. J., Oquendo, Y. A., Campbell, S. T., Goodnough, L. H., Bishop, J. A., Gardner, M. J. 2021; 35 (4): e142–e147


OBJECTIVE: We sought to determine if white-light three-dimensional (3D) body scanning can identify clinically relevant shoulder girdle deformity after displaced diaphyseal clavicle fracture (DCF).METHODS: Adult patients with DCF (OTA/AO 15A) were prospectively enrolled. Four subcutaneous osseous landmarks were used to measure shoulder girdle morphology of the injured and uninjured shoulder. Measurements were made both manually with a tape measure and digitally with a white-light 3D scanner. Bilateral radiographs were obtained, and clavicle length was recorded. Quick-Disabilities of the Arm, Shoulder, and Hand surveys were administered at injury and at 6 and 12 weeks.RESULTS: Twenty-two patients were included in the study. At the initial visit, all patients had significant differences in deformity measurements between injured and uninjured shoulders as measured by 3D scanning. There was no difference between shoulders measured using manual measurements. At 6 and 12 weeks, shoulder asymmetry was significantly less in patients treated with surgery compared with nonoperative patients as measured by the 3D scanner alone. Clavicle shortening measured on 3D scanning had weak and moderate positive correlations to radiographs (R = 0.27) and manual measurements (R = 0.53), respectively. Patients treated with surgery had significant functional improvements by 6 weeks, and a similar improvement was not seen until 12 weeks in nonsurgical patients.CONCLUSION: White-light 3D scanning was able to identify and monitor clinically relevant shoulder girdle deformity after DCF. This tool may become a useful adjunct to clinical examination and radiographic assessment, when determining clinically relevant deformity thresholds. In the future, quantifying and understanding shoulder deformity may inform clinical decision making in these patients.LEVEL OF EVIDENCE: Prognostic Level IV. See Instructions for Authors for a complete description of levels of evidence.

View details for DOI 10.1097/BOT.0000000000001957

View details for PubMedID 32910627