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Submissions from 2022

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Effects of Cervical Spine Exercise Protocol on Neck Pain, Pericervical Muscle Endurance, and Range of Motion in Medical Students: A Prospective Study., Bryan G Anderson, Brett Benzinger, Jason Chickness, Chris Hietanen, Kylan Hill, Jean-Marc P Lucas, Joshua Tuck, and Michael Ghassibi

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Plain Radiographic Instruments for Structural Damage in Peripheral Joints in Psoriatic Arthritis: A Report From the GRAPPA-OMERACT Working Group., Anna Antony, Richard Holland, Ashish J Mathew, Maria-Antoinetta D'Agostino, Walter P Maksymowych, Philip Mease, Niti Goel, Alexis Ogdie, Laura C Coates, Vibeke Strand, Robin Christensen, Dafna D Gladman, Ana-Maria Orbai, Ying Ying Leung, and William Tillett

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2021 GRAPPA Meet the Experts Session: A Summary of Presentations., April W Armstrong, Rasika M Reddy, Oliver FitzGerald, Kristina Callis Duffin, Philip S Helliwell, Philip Mease, Arthur Kavanaugh, Joseph F Merola, William Tillet, and Maarten de Wit

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Predictors of response to secukinumab in patients with psoriatic arthritis and axial manifestations: a post-hoc analysis of the MAXIMISE trial., Xenofon Baraliakos, Effie Pournara, Laure Gossec, Philip J Mease, Roisin White, Eamonn O'Brien, Barbara Schulz, Helena Marzo-Ortega, and Laura C Coates

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Into the Spine Metaverse: Reflections on a future, Jens R Chapman, Jeffrey C Wang, and Karsten Wiechert

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Correction to: Efficacy and safety of ixekizumab in patients with active psoriatic arthritis with and without concomitant conventional disease-modifying antirheumatic drugs: SPIRIT-P1 and SPIRIT-P2 3-year results., Laura C Coates, Philip Mease, Andris Kronbergs, Cameron Helt, David Sandoval, So Young Park, Bernard Combe, Peter Nash, and Atul Deodhar

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Efficacy and safety of ixekizumab in patients with active psoriatic arthritis with and without concomitant conventional disease-modifying antirheumatic drugs: SPIRIT-P1 and SPIRIT-P2 3-year results., Laura C Coates, Philip Mease, Andris Kronbergs, Cameron Helt, David Sandoval, So Young Park, Bernard Combe, Peter Nash, and Atul Deodhar

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Guselkumab provides sustained domain-specific and comprehensive efficacy using composite indices in patients with active psoriatic arthritis., Laura C Coates, Christopher T Ritchlin, Laure Gossec, Philip S Helliwell, Proton Rahman, Alexa P Kollmeier, Xie L Xu, May Shawi, Chetan S Karyekar, Christine Contré, Wim Noël, Shihong Sheng, Yanli Wang, Stephen Xu, and Philip Mease

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Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA): updated treatment recommendations for psoriatic arthritis 2021., Laura C Coates, Enrique R Soriano, Nadia Corp, Heidi Bertheussen, Kristina Callis Duffin, Cristiano B Campanholo, Jeffrey Chau, Lihi Eder, Daniel G Fernández-Ávila, Oliver FitzGerald, Amit Garg, Dafna D Gladman, Niti Goel, Philip S Helliwell, M Elaine Husni, Deepak R Jadon, Arnon Katz, Dhruvkumar Laheru, John Latella, Ying-Ying Leung, Christine Lindsay, Ennio Lubrano, Luis Daniel Mazzuoccolo, Philip Mease, Denis O'Sullivan, Alexis Ogdie, Wendy Olsder, Penelope Esther Palominos, Lori Schick, Ingrid Steinkoenig, Maarten de Wit, D A van der Windt, and Arthur Kavanaugh

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The Economic Impact of Lower Extremity Peri-Prosthetic Fractures in a Large Hospital System., James P Crutcher, Geoffrey Tompkins, Genevieve Rollier, Katie Sypher, Rebecca Valderrama, and Paul J Duwelius

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The Effect of Guselkumab on Work Productivity in Biologic-Naïve Patients with Active Psoriatic Arthritis Through Week 52 of the Phase 3, Randomized, Placebo-Controlled DISCOVER-2 Trial., Jeffrey R Curtis, Iain B McInnes, Proton Rahman, Dafna D Gladman, Steven Peterson, Prasheen Agarwal, Feifei Yang, Alexa P Kollmeier, Elizabeth C Hsia, Natalie J Shiff, Bei Zhou, Chenglong Han, May Shawi, William Tillett, and Philip Mease

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The Effect of Guselkumab on General Health State in Biologic-Naïve Patients with Active Psoriatic Arthritis Through Week 52 of the Phase 3, Randomized, Placebo-Controlled DISCOVER-2 Trial., Jeffrey R Curtis, Iain B McInnes, Proton Rahman, Dafna D Gladman, Feifei Yang, Steven Peterson, Prasheen Agarwal, Alexa P Kollmeier, Elizabeth C Hsia, Chenglong Han, Natalie J Shiff, May Shawi, William Tillett, and Philip Mease

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Identifying and Quantifying the Role of Inflammation in Pain Reduction for Patients With Psoriatic Arthritis Treated With Tofacitinib: A Mediation Analysis., Kurt de Vlam, Philip Mease, Andrew G Bushmakin, Roy Fleischmann, Alexis Ogdie, Valderilio F Azevedo, Joseph F Merola, John Woolcott, Joseph C Cappelleri, Lara Fallon, and Peter C Taylor

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Patient satisfaction after multiple revision surgeries for adult spinal deformity., Wesley M Durand, Alan H Daniels, Kevin DiSilvestro, Renaud Lafage, Bassel G Diebo, Peter G Passias, Han Jo Kim, Themistocles Protopsaltis, Virginie Lafage, Justin S Smith, Christopher I Shaffrey, Munish C Gupta, Eric O Klineberg, Frank Schwab, Jeffrey L Gum, Gregory M Mundis, Robert K Eastlack, Khaled Kebaish, Alex Soroceanu, Richard A Hostin, Douglas Burton, Shay Bess, Christopher P Ames, Robert A Hart, D Kojo Hamilton, and International Spine Study Group

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Operative treatment outcomes for adult cervical deformity: a prospective multicenter assessment with mean 3-year follow-up., Elias Elias, Shay Bess, Breton G Line, Virginie Lafage, Renaud Lafage, Eric Klineberg, Han Jo Kim, Peter Passias, Zeina Nasser, Jeffrey L Gum, Khaled Kebaish, Robert Eastlack, Alan H Daniels, Gregory Mundis, Richard Hostin, Themistocles S Protopsaltis, Alex Soroceanu, D Kojo Hamilton, Michael P Kelly, Munish Gupta, Robert A Hart, Frank J Schwab, Douglas Burton, Christopher P Ames, Christopher I Shaffrey, and Justin S Smith

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Outcomes of operative treatment for adult spinal deformity: a prospective multicenter assessment with mean 4-year follow-up., Elias Elias, Shay Bess, Breton Line, Virginie Lafage, Renaud Lafage, Eric Klineberg, Han Jo Kim, Peter G Passias, Zeina Nasser, Jeffrey L Gum, Khal Kebaish, Robert Eastlack, Alan H Daniels, Gregory Mundis, Richard Hostin, Themistocles S Protopsaltis, Alex Soroceanu, D Kojo Hamilton, Michael P Kelly, Munish Gupta, Robert A Hart, Frank J Schwab, Douglas Burton, Christopher P Ames, Christopher I Shaffrey, and Justin S Smith

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Erratum to 'Conversion From Knee Arthrodesis Back to Arthroplasty: A Particular Challenge in Combination With Fungal Periprosthetic Joint Infection' [Arthroplasty Today 6 (2020) 1038-1044]., Sven Frieler, Emre Yilmaz, Ryan Goodmanson, Yannik Hanusrichter, Thomas A Schildhauer, and Hinnerk Baecker

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Correspondence on 'No efficacy of anti-IL-23 therapy for axial spondyloarthritis in randomised controlled trials but in post-hoc analyses of psoriatic arthritis-related 'physician-reported spondylitis'?' by Braun and Landewé., Dafna D Gladman, Philip Mease, Paul Bird, Enrique R Soriano, Soumya D Chakravarty, May Shawi, Frederic Lavie, Cinty Gong, Evan Leibowitz, Denis Poddubnyy, Lai-Shan Tam, Philip S Helliwell, Arthur Kavanaugh, Atul A Deodhar, Mikkel Østergaard, and Xenofon Baraliakos

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Efficacy and safety of guselkumab in biologic-naïve patients with active axial psoriatic arthritis: study protocol for STAR, a phase 4, randomized, double-blinded, placebo-controlled trial., Dafna D Gladman, Philip Mease, Paul Bird, Enrique R Soriano, Soumya D Chakravarty, May Shawi, Stephen Xu, Sean T Quinn, Cinty Gong, Evan Leibowitz, Denis Poddubnyy, Lai-Shan Tam, Philip S Helliwell, Arthur Kavanaugh, Atul Deodhar, Mikkel Østergaard, and Xenofon Baraliakos

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Malignant Myopericytoma of the Right Foot: A Case Report, Ryan Glendenning

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Long-term Safety of Secukinumab Over Five Years in Patients with Moderate-to-severe Plaque Psoriasis, Psoriatic Arthritis and Ankylosing Spondylitis: Update on Integrated Pooled Clinical Trial and Post-marketing Surveillance Data., Alice B Gottlieb, Atul Deodhar, Iain B Mcinnes, Xenofon Baraliakos, Kristian Reich, Stefan Schreiber, Weibin Bao, Kwaku Marfo, Hanno B Richards, Luminita Pricop, Abhijit Shete, Vivek Trivedi, Deborah Keefe, Charis C Papavassilis, Piotr Jagiello, Philemon Papanastasiou, Philip Mease, and Mark Lebwohl

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Is It Time to Create Training Pathways Allowing Earlier Subspecialization within the "House of Orthopaedics"?: AOA Critical Issues., Robert A Hart, Alan H Daniels, Kalpit Shah, A Annunziato Amendola, Christopher D Harner, L Lawrence Marsh, Keith Kenter, and Serena Hu

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Impact of clinical domains other than arthritis on composite outcomes in psoriatic arthritis: comparison of treatment effects in the SEAM-PsA trial., Philip S Helliwell, Philip Mease, Arthur Kavanaugh, Laura C Coates, Alexis Ogdie, Atul Deodhar, Vibeke Strand, Gregory Kricorian, Lyrica X H Liu, David Collier, and Dafna D Gladman

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Clinical Experiences of 3-Dimensional Biportal Endoscopic Spine Surgery for Lumbar Degenerative Disease., Dong Hwa Heo, Ji Yeon Kim, Jeong-Yoon Park, Jin Sung Kim, Hyeun Sung Kim, Jeffrey R Roh, Choon Keun Park, and Hungtae Chung

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Cervical Spine Research Society-Cervical Stiffness Disability Index (CSRS-CSDI): Validation of a Novel Scoring System Quantifying the Effect of Postarthrodesis Cervical Stiffness on Patient Quality of Life., Andrew S Jack, Erik Hayman, Clifford Pierre, Wyatt L Ramey, Christopher D Witiw, Rod J Oskouian, Alan H Daniels, Andrew Pugley, Kojo Hamilton, Christopher P Ames, Jens R Chapman, Zoher Ghogawala, and Robert A Hart

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Efficacy of secukinumab on dactylitis in patients with active psoriatic arthritis from the FUTURE 5 study., Bruce Kirkham, Peter Nash, Delia Reina, Sandra Navarra, Erhard Quebe-Fehling, Corine Gaillez, Carlos Sastre, and Philip Mease

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Using machine learning to predict internal rotation after anatomic and reverse total shoulder arthroplasty., Vikas Kumar, Bradley S Schoch, Christine Allen, Steve Overman, Ankur Teredesai, William Aibinder, Moby Parsons, Jonathan Watling, Jia-Wei Kevin Ko, Bruno Gobbato, Thomas Throckmorton, Howard Routman, and Christopher Roche

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Evolution of the AO Spine Sacral and Pelvic Classification System: a systematic review., Barry Ting Sheen Kweh, Jin W Tee, F Cumhur Oner, Klaus J Schnake, Emiliano N Vialle, Frank Kanziora, Shanmuganathan Rajasekaran, Marcel Dvorak, Jens R Chapman, Lorin M Benneker, Gregory Schroeder, and Alexander R Vaccaro

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Global Validation of the AO Spine Upper Cervical Injury Classification: Geographic Region Affects Reliability and Reproducibility., Mark J Lambrechts, Gregory D Schroeder, Brian A Karamian, Jose A Canseco, Richard Bransford, Cumhur Oner, Lorin M Benneker, Frank Kandziora, Rajasekaran Shanmuganathan, Rishi Kanna, Andrei F Joaquim, Jens R Chapman, Emiliano Vialle, Mohammad El-Sharkawi, Marcel Dvorak, Klaus Schnake, Christopher K Kepler, Alexander R Vaccaro, and AO Spine Upper Cervical Injury Classification International Members

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Effect of upadacitinib on reducing pain in patients with active psoriatic arthritis or ankylosing spondylitis: post hoc analysis of three randomised clinical trials., Iain B McInnes, Andrew J K Ostor, Philip Mease, William Tillett, Xenofon Baraliakos, Kurt de Vlam, Louis Bessette, Ralph Lippe, Anna Maniccia, Dai Feng, Tianming Gao, Patrick Zueger, Christopher Saffore, Koji Kato, In-Ho Song, and Atul Deodhar

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Suspecting and Diagnosing the Patient with Spondyloarthritis and What to Expect from Therapy., Philip Mease

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Effectiveness of 6-Month Use of Secukinumab in Patients With Psoriatic Arthritis in the CorEvitas Psoriatic Arthritis/Spondyloarthritis Registry., Philip Mease, Taylor Blachley, Blessing Dube, Robert R McLean, Nina Kim, Peter Hur, and Alexis Ogdie

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Treatment Responses in Patients With Psoriatic Arthritis Axial Disease According to Human Leukocyte Antigen-B27 Status: An Analysis From the CorEvitas Psoriatic Arthritis/Spondyloarthritis Registry., Philip Mease, Soumya D Chakravarty, Robert R McLean, Taylor Blachley, Toana Kawashima, Iris Lin, Arthur Kavanaugh, and Alexis Ogdie

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Efficacy and safety of selective TYK2 inhibitor, deucravacitinib, in a phase II trial in psoriatic arthritis., Philip Mease, Atul A Deodhar, Désirée van der Heijde, Frank Behrens, Alan J Kivitz, Jeffrey Neal, Jonghyeon Kim, Shalabh Singhal, Miroslawa Nowak, and Subhashis Banerjee

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Potential Impact of Sex and Body Mass Index on Response to Therapy in Psoriatic Arthritis: Post-hoc Analysis of Results From the SEAM-PsA Trial., Philip Mease, Dafna D Gladman, Joseph F Merola, Atul Deodhar, Alexis Ogdie, David H Collier, Lyrica Liu, and Arthur Kavanaugh

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Effect of bimekizumab on symptoms and impact of disease in patients with psoriatic arthritis over 3 years: results from BE ACTIVE., Philip J Mease, Akihiko Asahina, Dafna D Gladman, Yoshiya Tanaka, William Tillett, Barbara Ink, Deepak Assudani, Christine de la Loge, Jason Coarse, Jason Eells, and Laure Gossec

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Efficacy and safety of tanezumab, NSAIDs, and placebo in patients with moderate to severe hip or knee osteoarthritis and a history of depression, anxiety, or insomnia: post-hoc analysis of phase 3 trials., Philip J Mease, Louis Kuritzky, Wendy L Wright, Theresa Mallick-Searle, Robert Fountaine, Ruoyong Yang, Mojgan Sadrarhami, Warachal Faison, Elizabeth Johnston, and Lars Viktrup

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Disease Control with Upadacitinib in Patients with Psoriatic Arthritis: A Post Hoc Analysis of the Randomized, Placebo-Controlled SELECT-PsA 1 and 2 Phase 3 Trials., Philip Mease, Arthur Kavanaugh, Dafna Gladman, Oliver FitzGerald, Enrique R Soriano, Peter Nash, Dai Feng, Apinya Lertratanakul, Kevin Douglas, Ralph Lippe, and Laure Gossec

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Baseline Disease Activity Predicts Achievement of cDAPSA Treatment Targets With Apremilast: Phase 3 Results in DMARD-Naive Patients With Psoriatic Arthritis., Philip Mease, Arthur Kavanaugh, Alexis Ogdie, Alvin F Wells, Martin Bergman, Dafna D Gladman, Sven Richter, Lichen Teng, Shauna Jardon, and Josef S Smolen

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Long-Term Efficacy and Safety of Risankizumab in Patients with Active Psoriatic Arthritis: Results from a 76-Week Phase 2 Randomized Trial., Philip Mease, Herbert Kellner, Akimichi Morita, Alan J Kivitz, Stella Aslanyan, Steven J Padula, Andrew S Topp, Ann Eldred, Frank Behrens, and Kim A Papp

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Comparative Effectiveness of Guselkumab in Psoriatic Arthritis: Updates to a Systematic Literature Review and Network Meta-Analysis., Philip Mease, Iain B McInnes, Lai-Shan Tam, Raji Rajalingam, Steve Peterson, Fareen Hassan, Soumya D Chakravarty, Christine Contré, Alison Armstrong, Wolf-Henning Boehncke, and Christopher Ritchlin

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COVID-19 Update for the GRAPPA 2021 Annual Meeting: Focus on COVID-19 Vaccination., Philip Mease, Kevin Winthrop, Wendy Olsder, and Jeffrey R Curtis

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Early Real-World Experience of Tofacitinib for Psoriatic Arthritis: Data from a United States Healthcare Claims Database., Philip Mease, Pamela Young, David Gruben, Lara Fallon, Rebecca Germino, and Arthur Kavanaugh

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Tailoring In-Clinic Patient Education to Target Outcome Improvement in Acute Low Back Pain, Trevor Mordhorst and Jake Gooing

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Radiotherapy for Plantar Fibromas (Ledderhose Disease)., John D Mozena, Eric K Hansen, and Paul Clint Jones

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Instrument selection for the ASAS core outcome set for axial spondyloarthritis., Victoria Navarro-Compán, Anne Boel, Annelies Boonen, Philip Mease, Maxime Dougados, Uta Kiltz, Robert B M Landewé, Xenofon Baraliakos, Wilson Bautista-Molano, Praveena Chiowchanwisawakit, Hanne Dagfinrud, Lara Fallon, Marco Garrido-Cumbrera, Lianne Gensler, Bassel Kamal ElZorkany, Nigil Haroon, Yu Heng Kwan, Pedro M Machado, Walter Maksymowych, Anna Molto, Natasha de Peyrecave, Denis Poddubnyy, Mikhail Protopopov, Sofia Ramiro, In-Ho Song, Salima van Weely, and Désirée van der Heijde

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Prospective Cohort Study of Psoriatic Arthritis Risk in Patients With Psoriasis in a Real-World Psoriasis Registry., Alexis Ogdie, Ryan W Harrison, Robert R McLean, Tin-Chi Lin, Mark Lebwohl, Bruce E Strober, Joe Zhuo, Vardhaman Patel, and Philip J Mease

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Challenges in the Diagnosis and Assessment of Psoriatic Arthritis., Alexis Ogdie, Christine A Lindsay, Philip Mease, Kristina Callis Duffin, Cheryl F Rosen, and Stefan Siebert

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Effect of tofacitinib on dactylitis and patient-reported outcomes in patients with active psoriatic arthritis: post-hoc analysis of phase III studies., Ana-Maria Orbai, Philip J Mease, Philip S Helliwell, Oliver FitzGerald, Dona L Fleishaker, Rajiv Mundayat, and Pamela Young

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Handedness and Specimen Chirality Affect Resident Upper Extremity Motion Patterns During Arthroscopic Simulation, Joseph O'Sullivan, Adam Rosencrans, Taylor Kong, Alexandra Bray, Carolin Curtze, Andrea Herzka, Dennis Crawford, and Jacqueline Brady

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Validation of Consumer Activity Monitors in Postoperative Total Arthroplasty Patients, Joshuel A. Pahang and David B. Auyong

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Examination of the Economic Burden of Frailty in Patients With Adult Spinal Deformity Undergoing Surgical Intervention., Peter G Passias, Waleed Ahmad, Nicholas Kummer, Renaud Lafage, Virginie Lafage, Khaled Kebaish, Alan Daniels, Eric Klineberg, Alex Soroceanu, Jeffrey Gum, Breton Line, Robert A Hart, Douglas Burton, Robert Eastlack, Amit Jain, Justin S Smith, Christopher P Ames, Christopher Shaffrey, Frank Schwab, Richard Hostin, and Shay Bess

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Evolution of Adult Cervical Deformity Surgery Clinical and Radiographic Outcomes Based on a Multicenter Prospective Study: Are Behaviors and Outcomes Changing with Experience?, Peter G Passias, Oscar Krol, Kevin Moattari, Tyler K Williamson, Virginie Lafage, Renaud Lafage, Han Jo Kim, Alan Daniels, Bassel Diebo, Themistocles Protopsaltis, Gregory Mundis, Khaled Kebaish, Alexandra Soroceanu, Justin Scheer, D Kojo Hamilton, Eric Klineberg, Andrew J Schoenfeld, Shaleen Vira, Breton Line, Robert Hart, Douglas C Burton, Frank A Schwab, Christopher Shaffrey, Shay Bess, Justin S Smith, Christopher P Ames, and International Spine Study Group

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The Benefit of Addressing Malalignment In Revision Surgery for Proximal Junctional Kyphosis Following ASD Surgery., Peter G Passias, Oscar Krol, Tyler K Williamson, Virginie Lafage, Renaud Lafage, Justin S Smith, Breton Line, Shaleen Vira, Shaina Lipa, Alan Daniels, Bassel Diebo, Andrew Schoenfeld, Jeffrey Gum, Khaled Kebaish, Paul Park, Gregory Mundis, Richard Hostin, Manush Gupta, Robert Eastlack, Neel Anand, Christopher Ames, Robert A Hart, Douglas Burton, Frank J Schwab, Christopher Shaffrey, Eric Klineberg, and Shay Bess

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The Additional Economic Burden of Frailty in Adult Cervical Deformity Patients Undergoing Surgical Intervention., Peter G Passias, Nicholas Kummer, Tyler K Williamson, Waleed Ahmad, Jordan Lebovic, Virginie Lafage, Renaud Lafage, Han Jo Kim, Alan H Daniels, Jeffrey L Gum, Bassel G Diebo, Munish C Gupta, Alexandra Soroceanu, Justin K Scheer, D Kojo Hamilton, Eric O Klineberg, Breton Line, Andrew J Schoenfeld, Robert A Hart, Douglas C Burton, Robert K Eastlack, Gregory M Mundis, Praveen Mummaneni, Dean Chou, Paul Park, Frank J Schwab, Christopher I Shaffrey, Shay Bess, Christopher P Ames, Justin S Smith, and International Spine Study Group

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Highest Achievable Outcomes for Patients Undergoing Cervical Deformity Corrective Surgery by Frailty., Peter G Passias, Nicholas Kummer, Tyler K Williamson, Kevin Moattari, Virginie Lafage, Renaud Lafage, Han Jo Kim, Alan H Daniels, Jeffrey L Gum, Bassel G Diebo, Themistocles S Protopsaltis, Gregory M Mundis, Robert K Eastlack, Alexandra Soroceanu, Justin K Scheer, D Kojo Hamilton, Eric O Klineberg, Breton Line, Robert A Hart, Douglas C Burton, Praveen Mummaneni, Dean Chou, Paul Park, Frank J Schwab, Christopher I Shaffrey, Shay Bess, Christopher P Ames, and Justin S Smith

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Establishment of an Individualized Distal Junctional Kyphosis Risk Index following the Surgical Treatment of Adult Cervical Deformities., Peter G Passias, Sara Naessig, Navraj Sagoo, Lara Passfall, Waleed Ahmad, Renaud Lafage, Virginie Lafage, Shaleen Vira, Andrew J Schoenfeld, Cheongeun Oh, Themistocles Protopsaltis, Han Jo Kim, Alan Daniels, Robert A Hart, Douglas Burton, Eric O Klineberg, Shay Bess, Frank Schwab, Christopher Shaffrey, Christopher P Ames, Justin S Smith, and International Spine Study Group

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Pelvic Non-Response Following Treatment of Adult Spinal Deformity: Influence of Realignment Strategies on Occurrence., Peter G Passias, Katherine E Pierce, Tyler K Williamson, Oscar Krol, Renaud Lafage, Virginie Lafage, Andrew J Schoenfeld, Themistocles S Protopsaltis, Shaleen Vira, Breton Line, Bassel G Diebo, Christopher P Ames, Han Jo Kim, Justin S Smith, Dean Chou, Alan H Daniels, Jeffrey L Gum, Christopher I Shaffrey, Douglas C Burton, Michael P Kelly, Eric O Klineberg, Robert A Hart, Shay Bess, Frank J Schwab, and Munish C Gupta

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Predictive Analytics for Determining Extended Operative Time in Corrective Adult Spinal Deformity Surgery., Peter G Passias, Gregory W Poorman, Dennis Vasquez-Montes, Nicholas Kummer, Gregory Mundis, Neel Anand, Samantha R Horn, Frank A Segreto, Lara Passfall, Oscar Krol, Bassel Diebo, Doug Burton, Aaron Buckland, Michael Gerling, Alex Soroceanu, Robert Eastlack, D Kojo Hamilton, Robert A Hart, Frank Schwab, Virginie Lafage, Christopher Shaffrey, Daniel Sciubba, Shay Bess, Christopher Ames, Eric Klineberg, and International Spine Study Group

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Is frailty responsive to surgical correction of adult spinal deformity? An investigation of sagittal re-alignment and frailty component drivers of postoperative frailty status., Peter G Passias, Frank A Segreto, Kevin A Moattari, Renaud Lafage, Justin S Smith, Breton G Line, Robert K Eastlack, Douglas C Burton, Robert A Hart, Shay Bess, Christopher I Shaffrey, Christopher P Ames, Virginie Lafage, and International Spine Study Group

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Sustained and improved guselkumab response in patients with active psoriatic arthritis regardless of baseline demographic and disease characteristics: pooled results through week 52 of two phase III, randomised, placebo-controlled studies., Christopher T Ritchlin, Philip Mease, Wolf-Henning Boehncke, John Tesser, Elena Schiopu, Soumya D Chakravarty, Alexa P Kollmeier, Xie L Xu, May Shawi, Yusang Jiang, Shihong Sheng, Yanli Wang, Stephen Xu, Joseph F Merola, Iain B McInnes, and Atul Deodhar

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Best Practice Guidelines for Assessment and Management of Osteoporosis in Adult Patients Undergoing Elective Spinal Reconstruction., Zeeshan M Sardar, Josephine R Coury, Meghan Cerpa, Christopher J DeWald, Christopher P Ames, Christopher Shuhart, Colleen Watkins, David W Polly, Douglas R Dirschl, Eric O Klineberg, John R Dimar, Kelly D Krohn, Khaled M Kebaish, Laura L Tosi, Michael Kelly, Nancy E Lane, Neil C Binkley, Sigurd H Berven, Nathan J Lee, Paul Anderson, Peter D Angevine, Ronald A Lehman, and Lawrence G Lenke

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Critical appraisal and future outlook on anti-inflammatory biosimilar use in chronic immune-mediated inflammatory diseases., Stefan Schreiber, Luis Puig, João Gonçalves, Philip Mease, Remo Panaccione, and Paul Emery

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Trends and Long-term Health Care Utilization of Computer-assisted Neuronavigation in Spine Fusions: An Exact Matched Analysis of National Administrative Database., Mayur Sharma, Syed Abdullah Uddin, George Hanna, Beatrice Ugiliweneza, Terrence T Kim, J Patrick Johnson, Maxwell Boakye, and Doniel Drazin

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Ublituximab versus Teriflunomide in Relapsing Multiple Sclerosis., Lawrence Steinman, Edward Fox, Hans-Peter Hartung, Enrique Alvarez, Peiqing Qian, Sibyl Wray, Derrick Robertson, DeRen Huang, Krzysztof Selmaj, Daniel Wynn, Gary Cutter, Koby Mok, Yanzhi Hsu, Yihuan Xu, Michael S Weiss, Jenna A Bosco, Sean A Power, Lily Lee, Hari P Miskin, Bruce A C Cree, and ULTIMATE I and ULTIMATE II Investigators

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Proceedings of the 2021 GRAPPA-Collaborative Research Network (CRN) Meeting., Carmel Stober, Iain B McInnes, Soumya Raychaudhuri, Philip Mease, Stephen R Pennington, Jose U Scher, Vinod Chandran, April W Armstrong, Maarten de Wit, Alberto Cauli, Deepak R Jadon, Thorvardur J Löve, Alexis Ogdie, Denis O'Sullivan, Leonieke J J van Mens, Christopher T Ritchlin, and Oliver FitzGerald

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Basic Science Session 1. Biomarkers for Psoriatic Arthritis Treatment Response and Joint Damage Progression: An Update on 2 Industry-GRAPPA Projects., James C Waddington, Orla Coleman, Philip Mease, Vinod Chandran, Denis O'Sullivan, Oliver FitzGerald, and Stephen R Pennington

Submissions from 2021

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Medical Student Mentorship in Orthopaedic Surgery., Amiethab A Aiyer, Kush S Mody, Aseel G Dib, Jonathan R Kaplan, Matthew A Varacallo, Dawn M LaPorte, and William N Levine

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Predictors of Extended Hospitalization and Early Reoperation After Elective Lumbar Disc Arthroplasty., Darius Ansari, Justin T DesLaurier, Saavan Patel, Jens R Chapman, and Rod J Oskouian

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Measurement properties of radiographic outcome measures in Psoriatic Arthritis: A systematic review from the GRAPPA-OMERACT initiative., Anna Antony, Richard Holland, Maria-Antonietta D'Agostino, Walter P Maksymowych, Heidi Bertheussen, Lori Schick, Niti Goel, Alexis Ogdie, Ana-Maria Orbai, P Højgaard, Laura C Coates, Vibeke Strand, Dafna D Gladman, Robin Christensen, Ying Ying Leung, Philip Mease, and William Tillett

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Three-stage revision arthroplasty for the treatment of fungal periprosthetic joint infection: outcome analysis of a novel treatment algorithm : a prospective study., Hinnerk Baecker, Sven Frieler, Jan Geßmann, Stephan Pauly, Thomas A Schildhauer, and Yannik Hanusrichter

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Exercise training and cognition in multiple sclerosis: The GET Smart trial protocol., Charles H Bombardier, Robert W Motl, Ralph H B Benedict, Nancy Temkin, P Qian, Katharine Alexander, Annabeth Evans, Andrea Thomas, Kristin Toms, Cathea M Carey, and George H Kraft

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The J. Robert Gladden Orthopaedic Society: Past, Present, and Future., Jaysson T Brooks, Erica Taylor, Darryl Peterson, and Eric Carson

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Multicenter assessment of outcomes and complications associated with transforaminal versus anterior lumbar interbody fusion for fractional curve correction., Thomas J Buell, Christopher I Shaffrey, Shay Bess, Han Jo Kim, Eric O Klineberg, Virginie Lafage, Renaud Lafage, Themistocles S Protopsaltis, Peter G Passias, Gregory M Mundis, Robert K Eastlack, Vedat Deviren, Michael P Kelly, Alan H Daniels, Jeffrey L Gum, Alex Soroceanu, D Kojo Hamilton, Munish C Gupta, Douglas C Burton, Richard A Hostin, Khaled M Kebaish, Robert A Hart, Frank J Schwab, Christopher P Ames, Justin S Smith, and International Spine Study Group

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Global coronal decompensation and adult spinal deformity surgery: comparison of upper-thoracic versus lower-thoracic proximal fixation for long fusions., Thomas J Buell, Christopher I Shaffrey, Han Jo Kim, Eric O Klineberg, Virginie Lafage, Renaud Lafage, Themistocles S Protopsaltis, Peter G Passias, Gregory M Mundis, Robert K Eastlack, Vedat Deviren, Michael P Kelly, Alan H Daniels, Jeffrey L Gum, Alex Soroceanu, D Kojo Hamilton, Munish C Gupta, Douglas C Burton, Richard A Hostin, Khaled M Kebaish, Robert A Hart, Frank J Schwab, Shay Bess, Christopher P Ames, Justin S Smith, and International Spine Study Group (ISSG)

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Operative Treatment of Severe Scoliosis in Symptomatic Adults: Multicenter Assessment of Outcomes and Complications With Minimum 2-Year Follow-up., Thomas J Buell, Justin S Smith, Christopher I Shaffrey, Han Jo Kim, Eric O Klineberg, Virginie Lafage, Renaud Lafage, Themistocles S Protopsaltis, Peter G Passias, Gregory M Mundis, Robert K Eastlack, Vedat Deviren, Michael P Kelly, Alan H Daniels, Jeff L Gum, Alex Soroceanu, D Kojo Hamilton, Munish C Gupta, Douglas C Burton, Richard A Hostin, Khaled M Kebaish, Robert A Hart, Frank J Schwab, Shay Bess, and Christopher P Ames

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Pustular Psoriasis and Associated Musculoskeletal Disorders., Kristina Callis Duffin, Hervé Bachelez, Philip J Mease, Cheryl Rosen, Amit Garg, Eric Zudak, Ori Elkayam, Joseph Merola, Jeffrey Chau, Mitsumasa Kishimoto, Victoria Furer, and Philip S Helliwell

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Trends of Femoral Neck Fracture Treatment Using Total Hip Arthroplasty: Reported From the American Joint Replacement Registry., Antonia F Chen, John W Barrington, Paul J Duwelius, James A Browne, Scott M Sporer, Terence Gioe, Kimberly Porter, Peter Hsiue, and Alexandra I Stavrakis

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Radiofrequency Ablation for Chronic Hip Pain: A Comprehensive, Narrative Review., Cole W Cheney, Amir Ahmadian, Caroline Brennick, Patricia Zheng, Ryan Mattie, Zachary L McCormick, and Ameet Nagpal

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Secondary Correction of Midface Fractures., Jonathan Chodroff, Nadir Elias, Michael Whitcomb, Cong Vo, and Richard Bryan Bell

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Withdrawing Ixekizumab in Patients with Psoriatic Arthritis who Achieved Minimal Disease Activity: Results from a Randomized, Double-Blind Withdrawal Study., Laura C Coates, Sreekumar G Pillai, Hasan Tahir, Ivo Valter, Vinod Chandran, Hideto Kameda, Masato Okada, Lisa Kerr, Denise Alves, So Young Park, David H Adams, Gaia Gallo, Matthew M Hufford, Maja Hojnik, Philip Mease, Arthur Kavanaugh, and SPIRIT-P3 Study Group

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Lateral Thoracolumbar Listhesis as an Independent Predictor of Disability in Adult Scoliosis Patients: Multivariable Assessment Before and After Surgical Realignment., Alan H Daniels, Wesley M Durand, Renaud Lafage, Andrew S Zhang, David K Hamilton, Peter G Passias, Han Jo Kim, Themistocles Protopsaltis, Virginie Lafage, Justin S Smith, Christopher Shaffrey, Munish Gupta, Eric Klineberg, Frank Schwab, Doug Burton, Shay Bess, Christopher Ames, and Robert A Hart

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Examination of Adult Spinal Deformity Patients Undergoing Surgery with Implanted Spinal Cord Stimulators and Intrathecal Pumps., Alan H Daniels, Wesley M Durand, Alyssa J Steinbaum, Renaud Lafage, D Kojo Hamilton, Peter G Passias, Han Jo Kim, Themistocles Protopsaltis, Virginie Lafage, Justin S Smith, Christopher Shaffrey, Munish Gupta, Eric O Klineberg, Frank Schwab, Jeffrey L Gum, Gregory Mundis, Robert Eastlack, Khaled Kebaish, Alex Soroceanu, Richard A Hostin, Doug Burton, Shay Bess, Christopher Ames, Robert A Hart, and ISSG Foundation

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Ixekizumab improves spinal pain, function, fatigue, stiffness, and sleep in radiographic axial Spondyloarthritis: COAST-V/W 52-week results., Atul A Deodhar, Philip Mease, Proton Rahman, Victoria Navarro-Compán, Vibeke Strand, Theresa Hunter, Rebecca Bolce, Luis Leon, Steve Lauzon, and Helena Marzo-Ortega

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Ixekizumab improves sleep and work productivity in patients with non-radiographic axial spondyloarthritis: results from the COAST-X trial at 52 weeks., Atul Deodhar, Philip Mease, Helena Marzo-Ortega, Theresa Hunter, David Sandoval, Andris Kronbergs, Steven Lauzon, Ann Leung, and Victoria Navarro-Compán

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Adult Spinal Deformity Surgery Is Associated with Increased Productivity and Decreased Absenteeism from Work and School., Wesley M Durand, Jacob M Babu, D Kojo Hamilton, Peter G Passias, Han Jo Kim, Themistocles Protopsaltis, Virginie Lafage, Renaud Lafage, Justin S Smith, Christopher Shaffrey, Munish Gupta, Michael P Kelly, Eric O Klineberg, Frank Schwab, Jeffrey L Gum, Gregory Mundis, Robert Eastlack, Khaled Kebaish, Alex Soroceanu, Richard A Hostin, Doug Burton, Shay Bess, Christopher Ames, Robert A Hart, and Alan H Daniels

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CORR Insights®: Antibiotic Stewardship Interventions Improve Choice of Antibiotic Prophylaxis in Total Joint Arthroplasty in Patients with Reported Penicillin Allergies., Paul J Duwelius

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Interspinous Process (ISP) Devices in Comparison to the Use of Traditional Posterior Spinal Instrumentation., Jordan E Faulkner, Kareem Khalifeh, Junko Hara, and Burak Ozgur

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Does the Implementation of the PRO-IMPLANT Foundation Treatment Algorithm Improve the Outcome of Chronic Periprosthetic Knee Infections? Mid-Term Results of a Prospective Study., Yannik Hanusrichter, Sven Frieler, Jan Gessmann, Martin Schulte, Martin Krejczy, Thomas Schildhauer, and Hinnerk Baecker

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Improvement in some Ames-ISSG cervical deformity classification modifier grades may correlate with clinical improvement., Samantha R Horn, Peter G Passias, Lara Passfall, Renaud Lafage, Justin S Smith, Gregory W Poorman, Leah M Steinmetz, Cole A Bortz, Frank A Segreto, Bassel Diebo, Robert Hart, Douglas Burton, Christopher I Shaffrey, Daniel M Sciubba, Eric O Klineberg, Themistocles S Protopsaltis, Frank J Schwab, Shay Bess, Virginie Lafage, Christopher Ames, and International Spine Study Group (ISSG)

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Intravenous Tranexamic Acid Decreases Blood Transfusions and Blood Loss for Patients with Surgically Treated Hip Fractures., Phuong Anh N Huynh, Megan Miller, and Ryan Will

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Morbidity and Mortality in Patients over 90 Years of Age Following Posterior Stabilization for Acute Traumatic Odontoid Type II Fractures: A Retrospective Study with a Mean Follow-Up of Three Years., Mohammed Issa, Karl L Kiening, Andreas W Unterberg, Moritz Scherer, Alexander Younsi, Stepan Fedorko, Rod J Oskouian, Jens R Chapman, and Basem Ishak

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Intrapelvic Pseudotumor Presenting with Deep Vein Thrombosis After Hip Replacement with Metal-on-Metal Bearing Surface Implant: A Case Report., Sahir Jabbouri, Gina Lee, Thomas Stonecipher, and Michal Nawalany

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Efficacy and safety of tofacitinib by background methotrexate dose in psoriatic arthritis: post hoc exploratory analysis from two phase III trials., Alan J Kivitz, Oliver FitzGerald, Peter Nash, Shirley Pang, Valderilio F Azevedo, Cunshan Wang, and Liza Takiya

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Benefit-risk assessment and reporting in clinical trials of chronic pain treatments: IMMPACT recommendations., Bethea A Kleykamp, Robert H Dworkin, Dennis C Turk, Zubin Bhagwagar, Penney Cowan, Christopher Eccleston, Susan S Ellenberg, Scott R Evans, John T Farrar, Roy L Freeman, Louis P Garrison, Jennifer S Gewandter, Veeraindar Goli, Smriti Iyengar, Alejandro R Jadad, Mark P Jensen, Roderick Junor, Nathaniel P Katz, J Patrick Kesslak, Ernest A Kopecky, Dmitri Lissin, John D Markman, Michael P McDermott, Philip Mease, Alec B O'Connor, Kushang V Patel, Srinivasa N Raja, Michael C Rowbotham, Cristina Sampaio, Jasvinder A Singh, Ilona Steigerwald, Vibeke Strand, Leslie A Tive, Jeffrey Tobias, Ajay D Wasan, and Hilary D Wilson

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The risk of malignancy in patients with secukinumab-treated psoriasis, psoriatic arthritis and ankylosing spondylitis: analysis of clinical trial and postmarketing surveillance data with up to five years of follow-up., M Lebwohl, A Deodhar, C E M Griffiths, M A Menter, D Poddubnyy, W Bao, V Jehl, K Marfo, P Primatesta, A Shete, V Trivedi, and P J Mease

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Pelvic crush injury requiring hemicorporectomy., Megan Lenihan, Carlo Bellabarba, Conor P Kleweno, Lisa McIntyre, Bryce Robinson, and Samuel P Mandell

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Test-retest reliability for HAQ-DI and SF-36 PF for the measurement of physical function in psoriatic arthritis., Ying Ying Leung, William Tillett, Pil Hojgaard, Ana-Maria Orbai, Richard Holland, Ashish J Mathew, Niti Goel, Jeffrey Chau, Chris Lindsay, Alexis Ogdie, Laura C Coates, Robin Christensen, Philip Mease, Vibeke Strand, and Dafna D Gladman

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The role of point-of-care sonographic evaluation in the identification and management of rare angioleiomyoma of the hand - a case report., Alexander R Lloyd, Grant Lohse, and Adam M Pourcho

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Vertebral Augmentation of Cancer-Related Spinal Compression Fractures: A Systematic Review and Meta-Analysis., Ryan Mattie, Nick Brar, Jennifer T Tram, Zachary L McCormick, Douglas P Beall, Andrew Fox, and Mikhail Saltychev