AO Spine Knowledge Forum Deformity
Practical tools for clinicians treating patients with spinal deformities
These selected clinical tools and articles developed by the AO Spine Knowledge Forum Deformity will help clinicians in planning appropriate treatments, assessing patient suitability, training next generation surgeons, and providing the best evidence to support decision-making, ultimately enhancing clinical practice and outcomes for spine deformity patients.
Classification Systems
AO ASD Patient Profile
The AO Adult Spine Deformity Patient Profile is a classification tool to assist clinicians systematically consider all important factors so they can provide the best care for adult spine deformity patients.
Seminal Study Results
Scoli-RISK-1
This prospective multicenter observational study established the gold standard for the rate of neurologic complications in patients undergoing high-risk adult deformity surgery and identified key risk factors of poor surgical outcomes.
Clinical Practice Recommendations
Adult Spinal Deformity
Articles combining top evidence and expert opinions offer clinicians evidence-based clinical practice recommendations for adult spinal deformity patients, including Spinopelvic Fixation—What are the Key Items to Understand Performance?
Global Spine Journal Focus Issue
Adult Spinal Deformity
The special issue guest edited by Stephen J. Lewis and Lawrence G. Lenke features articles identifying the main sources of perioperative concerns facing surgeons, with the goal of advancing the field and our understanding of this complex and heterogenous condition. Visit Adult Spinal Deformity: Understanding the Controversies and Looking to the Future to find out more.
KF Deformity Steering Committee
Michael Kelly
Co-chair
Stanford University, Stanford,
California, USA
Justin Smith
Co-chair
University of Virginia
Charlottesville, USA
Stephen Lewis
Past Chairperson
Toronto Western Hospital
Toronto, Canada
Caglar Yilgor
Koç University Hospital
Istanbul, Turkey
Kenny Kwan
University of Hong Kong
Hong Kong
So Kato
The University of Tokyo
Tokyo, Japan
Christopher Ames
University of California San Francisco,
San Francisco, CA, USA
Eric Klineberg
UT Health Houston
Houston, TX, USA
Saumyajit Basu
Kothari Medical Center and Park Clinic
Kolkata, India
KF Advisory Board
Kenneth Cheung
The University of Hong Kong
Hong Kong, China
Co-Chairperson 2011-2013
David Polly
University of Minnesota
Minneapolis, USA
Yong Qiu
Nanjing University
Nanjing, China
Christopher Shaffrey
Duke University Medical Center
Durham, USA
Lawrence Lenke
Columbia University New York,
New York, USA
Co-Chairperson/Chairperson 2011-2015
Sigurd Berven
University of California San Francisco
San Francisco, USA
Ferran Pellise Urquiza
Hospital Vall d'Hebron / Barcelona Spine Institute Hospital Quiron
Barcelona, Spain
Yukihiro Matsuyama
Hamamatsu University School of Medicine
Hamamatsu, Japan
Ahmet Alanay
Acibadem Mehmet Ali Aydinlar
University School of Medicine
Istanbul, Turkey
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KF Deformity Associate Members
Ahmed Abdelgawaad, Helios Hospitals Erfurt, Erfurt, Germany
Nelson Astur, Hospital Israelita Albert Einstein – Sao Paulo, Sao Paulo, Brazil
Pedro Berjano, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
Aaron J. Buckland, Melbourne Orthopaedic Group Australia, Melbourne Australia
Anastasios Charalampidis, Karolinska University Hospital, Solna, Sweden
Elias Elias, University of Texas, Texas, USA
Swamy Ganesh, University of Calgary, Calgary, Canada
Yoshida Go, Hamamatsu University School of Medicine, Tokyo, Japan
Munish Gupta, Hospital for Special Surgery, New York, NY, USA
Jeffrey Hills, UT Health San Antonio, San Antonio, USA
Miranda van Hooff, Radboud University Medical Center/Sint Maartenskliniek, Nijmegen, Netherlands
Serena Hu, Stanford University, Stanford, CA, USA
Yashar Javidan, University of California, Davis Health, Davis, CA, USA
Thorsten Jentzsch, Balgrist Universitätsklinik, Zürich, Switzerland
Kristen Jones, Duke University, Durham, NC, USA
Krishna Kumar, VPS Lakeshore Hospital, Kochi, India
Darryl Lau, NYU Langone Health, New York, NY, USA
Brian Neuman, Washington University, St. Louis, MO, USA
Fred Nicholls, University of Calgary, Calgary, Canada
Christopher Nielsen, Toronto Western Hospital, Toronto, Canada
Colby Oitment, Scarborough General Hospital, Toronto, Ontario, Canada
Robert Ravinsky, Permanente Oakland Medical Center, Oakland, CA, USA
Anna Rienmueller, Medizinische Universität Wien, Wien Austria
Brett Rocos, Duke University Medical Center, Durham, USA
Zeeshan Sardar, Columbia University, New York, NY, USA
Juan Sardi, University of Texas Southwestern Medical Center, Texas, USA
Jonathan Sembrano, University of Minnesota Medical School, Minnesota MN, USA
Alekos Theologis, University of California San Francisco, San Francisco, CA, USA
Hiroki Ushirozako Hamamatsu, University School of Medicine, Hamamatsu, Japan
Kota Watanabe, Keio University School of Medicine, Tokyo, Japan
Zhu Zezhang, Nanjing University Medical School, Nanjing, China
Alisson Teles, Santa Casa de Porto Alegre.Porto Algere, Brazil
Bhavuk Garg, All India Institute of Medical Sciences, New Delhi, India
Mauricio Andres Campos Daziano, Pontificia Universidad Católica de Chile, Santiago, Chile
Nan Wu, Peking Union Medical College Hospital, Bejing, China
Rajendra Sakhrekar, Royal Perth Hospital, Perth, Australia
Shin Oe, Hamamatsu University School of Medicine, Hamamatsu, Japan
Sultan Aldebeyan, King Fahad Medical City, Riyadh, Saudi Arabia
Arthur Odotei Sackeyfio, Focos Orthopaedic Hospital, Accra, Ghana
Omar Alnori, Hamad Medical Corporation, Doha, Qatar
Reuben Soh, Singapore General Hospital, Singapore, Singapore
Saman Shabani, Medical College of Wisconsin, Milwaukee, WI, USA
Sameh Abolfotouh, MEDCARE Hospital Dubai, UAE
Fatemeh Alavi, University Health Network, Toronto, Canada
Ioannis Avramis, Baylor University Medical Center, Dallas, TX, USA
Alpaslan Senkoylu, Gazi University Department of Orthopaedics and Traumatology, Ankara, Turkey
Other Knowledge Forums

“There is a myriad of outcome studies and instruments out there; everybody uses different tools to measure their quality of care. We help bring more rationale to the options that are available.”
Marinus de Kleuver, Past Chairperson KF Deformity

