European Spine Journal

Sacral stress fractures in athletes

Eran Beit Ner, Oded Rabau, Saad Dosani, Uri Hazan, Yoram Anekstein, Yossi Smorgick

A novel radiological classification for displaced os coccyx: the Benditz–König classification

Matthias A. König, Joachim Grifka, Achim Benditz

Jumper’s fracture of the sacrum: a novel and reproducible way for successful reduction and fixation

Christoph Linhart, Nima Befrui, Lucas Etzel, Wolfgang Böcker, Christian Kammerlander, Christian Ehrnthaller

The effect of posterior compression of the facet joints for initial stability and sagittal profile in the treatment of thoracolumbar fractures: a biomechanical study

Michael Ruf, Tobias Pitzen, Ivo Nennstiel, David Volkheimer, Jörg Drumm, Klaus Püschel, Hans-Joachim Wilke

Traumatic low lumbar fractures: How often MRI changes the fracture classification or clinical decision-making compared to CT alone?

Mohamed M. Aly, Abdulbaset M. Al-Shoaibi, Saleh Abduraba, Ahmed J. Alzahrani, Hany Eldawoody

A real-time 3D electromagnetic navigation system for percutaneous pedicle screw fixation in traumatic thoraco-lumbar fractures: implications for efficiency, fluoroscopic time, and accuracy compared with those of conventional fluoroscopic guidance

Yawei Yao, Xiang Jiang, Tanjun Wei, Zhipeng Yao, Boyu Wu, Feng Xu, Chengjie Xiong

Association of age with the timing of acute spine surgery–effects on neurological outcome after traumatic spinal cord injury

Marcel A. Kopp, Tom Lübstorf, Christian Blex, Jan M. Schwab, Ulrike Grittner, Thomas Auhuber, Axel Ekkernkamp, Andreas Niedeggen, Erik Prillip, Magdalena Hoppe, Johanna Ludwig, Martin Kreutzträger, Thomas Liebscher

Morphometric measurements can improve prediction of progressive vertebral deformity following vertebral damage

Jin Luo, Patricia Dolan, Michael A. Adams, Deborah J. Annesley-Williams

Development and initial validation of classification for severe spinal deformity based on X-ray features

TingBiao Zhu, YingSong Wang, JingMing Xie, Ying Zhang, Zhi Zhao, Tao Li, ZhiYue Shi, Ni Bi

The impact of osteoporosis on adult deformity surgery outcomes in Medicare patients

Kunal Varshneya, Anika Bhattacharjya, Rayyan T. Jokhai, Parastou Fatemi, Zachary A. Medress, Martin N. Stienen, Allen L. Ho, John K. Ratliff, Anand Veeravagu

Minimally invasive multiple-rod constructs with robotics planning in adult spinal deformity surgery: a case series

Martin H. Pham, Vrajesh J. Shah, Luis Daniel Diaz-Aguilar, Joseph A. Osorio, Ronald A. Lehman

Radiographic outcomes and complications after L4 or L5 pedicle subtraction osteotomy for fixed sagittal malalignment in 102 adult spinal deformity patients with a minimum 2-year follow-up

Anouar Bourghli, Louis Boissiere, Thomas Chevillotte, Maxime Huneidi, Clement Silvestre, Kariman Abelin-Genevois, Pierre Grobost, Javier Pizones, Pierre Roussouly, Ibrahim Obeid

Compensatory mechanisms recruited against proximal junctional kyphosis by patients instrumented from the thoracolumbar junction to the iliac

Javier Pizones, Francisco Javier Sánchez Perez-Grueso, Lucía Moreno-Manzanaro, Fernando Escámez, Caglar Yilgor, Alba Vila-Casademunt, Nicomedes Fernández-Baíllo, José Miguel Sánchez-Márquez, Ibrahim Obeid, Frank Kleinstück, Ahmet Alanay, Ferran Pellisé

Waist circumference, waist-hip ratio, body fat rate, total body fat mass and risk of low back pain: a systematic review and meta-analysis

Qiqi You, Qingqing Jiang, Dandan Li, Tiantian Wang, Shiqi Wang, Shiyi Cao

The flexion relaxation phenomenon in nonspecific chronic low back pain: prevalence, reproducibility and flexion–extension ratios. A systematic review and meta-analysis

Anaïs Gouteron, Anne Tabard-Fougère, Abderrahmane Bourredjem, Jean-Marie Casillas, Stéphane Armand, Stéphane Genevay

Association of sedentary behavior and early engagement in physical activity with low back pain in adolescents: a cross-sectional epidemiological study

Ítalo Ribeiro Lemes, Crystian Bitencourt Oliveira, Gabriela C. R. Silva, Rafael Zambelli Pinto, William R. Tebar, Diego G. Christofaro

Effects of COVID-19 lockdown on low back pain intensity in chronic low back pain patients: results of the multicenter CONFI-LOMB study

Florian Bailly, Stéphane Genevay, Violaine Foltz, Amélie Bohm-Sigrand, Alain Zagala, Julien Nizard, Audrey Petit

Chronic low back pain during COVID-19 lockdown: is there a paradox effect?

Aymeric Amelot, Anais Jacquot, Louis-Marie Terrier, Mourad Aggad, Alexia Planty-Bonjour, Bernard Fouquet, Ann-Rose Cook, Ilyess Zemmoura, Stephane Velut, Christophe Destrieux, Patrick François, Pierre-Yves Borius, Bertrand Mathon

Coccygectomy for refractory coccygodynia: a systematic review and meta-analysis

Navraj S. Sagoo, Ali S. Haider, Paolo Palmisciano, Christopher Vannabouathong, Roberto Gonzalez, Andrew L. Chen, Nidhish Lokesh, Neha Sharma, Kylan Larsen, Ravinderjit Singh, Neha Mulpuri, Kevin Rezzadeh, Christie Caldwell, Lori A. Tappen, Kevin Gill, Shaleen Vira

Urodynamic evaluation of bladder function in patients with urinary incontinence secondary to congenital tethered cord syndrome after homogeneous spinal-shortening axial decompression procedure

Ximing Xu, Kaiqiang Sun, Jingchuan Sun, Yuan Wang, Jian Zhu, Xiaoqiu Yuan, Chenglong Ji, Yongfei Guo, Jiangang Shi

Efficacy of erector spinae plane block on postoperative pain in patients undergoing lumbar spine surgery

Sinan Asar, Sinem Sarı, Ece Yamak Altinpulluk, Mehmet Turgut

Reply to A. Lazary’s Expert’s Comment concerning grand rounds case entitled "Percutaneous cement discoplasty for the treatment of advanced degenerative disk disease in elderly patients” (C. Sola, et al., Eur Spine J; 2021;30(8):2209–2210. doi:10.1007/s00586-020–06568-4)

Gaston Camino-Willhuber, Mariana Bendersky, Homero Bianchi, Marcelo Gruenberg, Carlos Sola

Letter to the Editor concerning "Anatomic relationship between the cervical sympathetic trunk and cervical fascia and its application in the anterolateral cervical spine surgical approach" by M. Chen et al. (Eur Spine J [2021] 30; 425–430)

Naci Balak

Answer to the letter to the editor of N. Balak concerning “Anatomic relationship between the cervical sympathetic trunk and cervical fascia and its application in the anterolateral cervical spine surgical approach” by M. Chen, et al. (Eur Spine J 30; 425–430)

Mengmeng Chen, Jianlin Shan

Letter to the Editor concerning “Novel augmentation technique of percutaneous pedicle screw fixation using hydroxyapatite granules in the osteoporotic lumbar spine: a cadaveric biomechanical analysis” by H. Kanno et al. (Eur Spine J [2021]; doi: 10.1007/s00586-020-06451-2)

Tadatsugu Morimoto, Tomohito Yoshihara, Takaomi Kobayashi, Masaaki Mawatari

Answer to the Letter to the Editor of T. Morimoto et al. concerning “Novel augmentation technique of percutaneous pedicle screw fixation using hydroxyapatite granules in the osteoporotic lumbar spine: A cadaveric biomechanical analysis” by Kanno, et al. [Eur Spine J. 2021 Jan;30(1):71–78]

Haruo Kanno

Announcement