The procedure has the advantage of improving pain and function of the knee without the surgery actually involving the knee joint itself, as the bone cuts are made either above or below the knee joint. A wedge may be opened up ('opening-wedge') or a wedge may be removed ('closing-wedge').
Complications associated with realignment osteotomy of the knee performed simultaneously with additional reconstructive procedures. Willey M, Wolf BR, Kocaglu B and Amendola A. Iowa Orthop J. 2010; 30: 55–60.