The weight-bearing scanogram technique provides better coronal limb alignment than the navigation technique in open high tibial osteotomy.

Background: Successful outcomes following high tibial osteotomy (HTO) require precise realignment of the mechanical axis of the lower extremity. The present study investigated whether the weight-bearing limb scanogram (WBS) technique provided a more accurate mechanical axis realignment than the navigation technique in open high tibial osteotomy (OHTO).

Methods: This prospective study involved 80 knees (78 patients) undergoing OHTO.