Proximal Junctional Kyphosis and Failure Prophylaxis Improves Cost Efficacy, While Maintaining Optimal Alignment, in Adult Spinal Deformity Surgery.

Passias PG, Krol O, Williamson TK, Bennett-Caso C, Smith JS, Diebo B, Lafage V, Lafage R, Line B, Daniels AH, Gum JL, Protopsaltis TS, Hamilton DK, Soroceanu A, Scheer JK, Eastlack R, Mundis GM, Kebaish KM, Hostin RA, Gupta MC, Kim HJ, Klineberg EO, Ames CP, Hart RA, Burton DC, Schwab FJ, Shaffrey CI, Bess S, International Spine Study Group