• Holger Keil, Nils Beisemann, Benedict Swartman, Marc Schnetzke, Sven Yves Vetter, Paul Alfred Grützner, and Jochen Franke.
• Department of Trauma and Orthopedic Surgery, Friedrich-Alexander-Universität Erlangen-Nürnberg, University Hospital Erlangen, Krankenhaus-street. 12, 91054, Erlangen, Germany.
• Eur J Trauma Emerg Surg. 2023 Feb 1; 49 (1): 373381373-381.

PurposeIntraoperative 3D imaging has become a valued tool in assessing the quality of reduction and implant placement in orthopedic trauma surgery. In our institution, 3D imaging is used routinely since 2001. To evaluate the intraoperative findings and consequences of this technique, intraoperative revision rates in cases with 3D imaging were analyzed.MethodsAll operative procedures carried out with intraoperative 3D imaging between August 2001 and December 2016 were included. The scans were assessed intraoperatively and documented thereafter. In case of malreduction or misplaced implants, an immediate revision was performed. The number of scans per case as well as the findings and consequences drawn regarding the anatomical region were analyzed.Results4721 cases with 7201 3D scans were included in this study. The most common anatomical regions were the ankle (22.3%), the calcaneus (14.8%) and the tibial head (9.5%). In 19.1% of all cases, an intraoperative revision was performed. The highest revision rates were found with 36.0% in calcaneal fractures, 24.8% in fractures of the tibial plateau, 22.3% in injuries of the ankle. In 52.0% of revisions, the reduction was improved regarding intra-articular steps or joint congruency. In 30.5% an implant was corrected.ConclusionIntraoperative revision due to results of 3D imaging was performed in almost one-fifth of cases. This illustrates the improved possibilities to detect malreduction and implant misplacements intraoperatively and thus the abilities to improve surgical outcome.Level Of EvidenceIII.© 2022. The Author(s).

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