Is Sacral Extension a Risk Factor for Early Proximal Junctional Kyphosis in Adult Spinal Deformity Surgery?

by Sebastian Decker, Renaud Lafage, Christian Krettek, Robert Hart, Christopher Ames, Justin S. Smith, Douglas Burton, Eric Klineberg, Shay Bess, Frank J. Schwab, Virginie Lafage
Published 2020-04-01

The impact of the lower instrumented level on outcomes in cervical deformity surgery

by Peter Gust Passias, Haddy Alas, Katherine E Pierce, Matthew Galetta, Oscar Krol, Lara Passfall, Nicholas Kummer, Sara Naessig, Waleed Ahmad, Bassel G Diebo, Renaud Lafage, Virginie Lafage
Published 2021-01-01

PROMIS physical health domain scores are related to cervical deformity severity

by Katherine E Pierce, Haddy Alas, Avery E Brown, Cole A Bortz, Brooke O'Connell, Dennis Vasquez-Montes, Bassel G Diebo, Renaud Lafage, Virginie Lafage, Aaron J Buckland, Peter G Passias
Published 2019-01-01

Predictive model for achieving good clinical and radiographic outcomes at one-year following surgical correction of adult cervical deformity

by Peter Gust Passias, Samantha R Horn, Cheongeun Oh, Gregory W Poorman, Cole Bortz, Frank Segreto, Renaud Lafage, Bassel Diebo, Justin K Scheer, Justin S Smith, Christopher I Shaffrey, Robert Eastlack, Daniel M Sciubba, Themistocles Protopsaltis, Han Jo Kim, Robert A Hart, Virginie Lafage, Christopher P Ames, International Spine Study Group
Published 2021-01-01

Redefining cervical spine deformity classification through novel cutoffs: An assessment of the relationship between radiographic parameters and functional neurological outcomes

by Peter Gust Passias, Katherine E Pierce, Avery E Brown, Cole A Bortz, Haddy Alas, Renaud Lafage, Virginie Lafage, Breton Line, Eric O Klineberg, Douglas C Burton, Robert Hart, Alan H Daniels, Shay Bess, Bassel Diebo, Themistocles Protopsaltis, Robert Eastlack, Christopher I Shaffrey, Frank J Schwab, Justin S Smith, Christopher Ames
Published 2021-01-01

Global spinal deformity from the upper cervical perspective. What is “Abnormal” in the upper cervical spine?

by Peter G Passias, Haddy Alas, Renaud Lafage, Bassel G Diebo, Irene Chern, Christopher P Ames, Paul Park, Khoi D Than, Alan H Daniels, D Kojo Hamilton, Douglas C Burton, Robert A Hart, Shay Bess, Breton G Line, Eric O Klineberg, Christopher I Shaffrey, Justin S Smith, Frank J Schwab, Virginie Lafage
Published 2019-01-01

Prioritization of realignment associated with superior clinical outcomes for surgical cervical deformity patients

by Katherine E Pierce, Peter Gust Passias, Avery E Brown, Cole A Bortz, Haddy Alas, Renaud Lafage, Oscar Krol, Dean Chou, Douglas C Burton, Breton Line, Eric Klineberg, Robert Hart, Jeffrey Gum, Alan Daniels, Kojo Hamilton, Shay Bess, Themistocles Protopsaltis, Christopher Shaffrey, Frank A Schwab, Justin S Smith, Virginie Lafage, Christopher Ames, International Spine Study Group
Published 2021-01-01

Cervical deformity patients with baseline hyperlordosis or hyperkyphosis differ in surgical treatment and radiographic outcomes

by Haddy Alas, Peter Gust Passias, Bassel G Diebo, Avery E Brown, Katherine E Pierce, Cole Bortz, Renaud Lafage, Christopher P Ames, Breton Line, Eric O Klineberg, Douglas C Burton, Juan S Uribe, Han Jo Kim, Alan H Daniels, Shay Bess, Themistocles Protopsaltis, Gregory M Mundis, Christopher I Shaffrey, Frank J Schwab, Justin S Smith, Virginie Lafage
Published 2021-01-01

Prioritization of Realignment Associated With Superior Clinical Outcomes for Cervical Deformity Patients

by Katherine E. Pierce, Peter G. Passias, Avery E. Brown, Cole A. Bortz, Haddy Alas, Lara Passfall, Oscar Krol, Nicholas Kummer, Renaud Lafage, Dean Chou, Douglas C. Burton, Breton Line, Eric Klineberg, Robert Hart, Jeffrey Gum, Alan Daniels, Kojo Hamilton, Shay Bess, Themistocles Protopsaltis, Christopher Shaffrey, Frank A. Schwab, Justin S. Smith, Virginie Lafage, Christopher Ames
Published 2021-09-01

Radiographic benefit of incorporating the inflection between the cervical and thoracic curves in fusion constructs for surgical cervical deformity patients

by Cole Bortz, Peter G Passias, Katherine Elizabeth Pierce, Haddy Alas, Avery Brown, Sara Naessig, Waleed Ahmad, Renaud Lafage, Christopher P Ames, Bassel G Diebo, Breton G Line, Eric O Klineberg, Douglas C Burton, Robert K Eastlack, Han Jo Kim, Daniel M Sciubba, Alex Soroceanu, Shay Bess, Christopher I Shaffrey, Frank J Schwab, Justin S Smith, Virginie Lafage
Published 2020-01-01

Risk-benefit assessment of major versus minor osteotomies for flexible and rigid cervical deformity correction

by Peter Gust Passias, Lara Passfall, Samantha R Horn, Katherine E Pierce, Virginie Lafage, Renaud Lafage, Justin S Smith, Breton G Line, Gregory M Mundis, Robert Eastlack, Bassel G Diebo, Themistocles S Protopsaltis, Han Jo Kim, Justin Scheer, Douglas C Burton, Robert A Hart, Frank J Schwab, Shay Bess, Christopher P Ames, Christopher I Shaffrey, On Behalf of the International Spine Study Group
Published 2021-01-01

Effect of age-adjusted alignment goals and distal inclination angle on the fate of distal junctional kyphosis in cervical deformity surgery

by Peter Gust Passias, Samantha R Horn, Virginie Lafage, Renaud Lafage, Justin S Smith, Breton G Line, Themistocles S Protopsaltis, Alex Soroceanu, Cole Bortz, Frank A Segreto, Waleed Ahmad, Sara Naessig, Katherine E Pierce, Avery E Brown, Haddy Alas, Han Jo Kim, Alan H Daniels, Eric O Klineberg, Douglas C Burton, Robert A Hart, Frank J Schwab, Shay Bess, Christopher I Shaffrey, Christopher P Ames
Published 2021-01-01

The impact of osteotomy grade and location on regional and global alignment following cervical deformity surgery

by Peter G Passias, Samantha R Horn, Tina Raman, Avery E Brown, Virginie Lafage, Renaud Lafage, Justin S Smith, Cole A Bortz, Frank A Segreto, Katherine E Pierce, Haddy Alas, Breton G Line, Bassel G Diebo, Alan H Daniels, Han Jo Kim, Alex Soroceanu, Gregory M Mundis, Themistocles S Protopsaltis, Eric O Klineberg, Douglas C Burton, Robert A Hart, Frank J Schwab, Shay Bess, Christopher I Shaffrey, Christopher P Ames, International Spine Study Group
Published 2019-01-01