Gravity Line-Hip Axis Offset as a Guide for Global Alignment to Prevent Recurrent Proximal Junctional Kyphosis/Failure.

Seung-Jae Hyun Sungjae An Byoung-Joo Park Jae-Koo Lee Seung Heon Yang Ki-Jeong Kim

Published in: Operative neurosurgery (Hagerstown, Md.) (2023)

Postoperative GL-HA offset serves as a considerable risk factor for recurrent PJK/F in patients with ASD who have undergone revision surgery. Overcorrection, with GL-HA offset less than -5 cm, is associated with recurrent PJK/F. The instrumented spine tends to align the GL near the HA, even at the cost of proximal junction.

Keyphrases

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