Osteotomies for the Treatment of Adult Spinal Deformities: A Critical Analysis Review.

»: Spinal osteotomies are powerful deformity correction techniques that may be associated with serious complications. »: The anatomical spinal osteotomy classification system proposes 6 grades of resection corresponding to different anatomic bone, disc, facet, and ligament interventions. »: Surgeons should be aware of the nuances of 3-column osteotomies with regard to spinal level selection, construct composition, and posterior column reconstruction and closure techniques. »: There is a global tendency toward avoiding 3-column osteotomies as much as possible because of the growing evidence regarding the effectiveness of posterior column osteotomies and halo-gravity traction.