Correlation between different instrumentation variants and the degree of destabilization in treating cervical spondylotic spinal canal stenosis by unilateral hemilaminectomy with bilateral decompression: a biomechanical investigation

Ingo Fiss, Dorothee Mielke, Veit Rohde, Marios Psychogios, Christoph Schilling
June 2021, Volume 30, Issue 6, pp 1529 - 1535
Original Article
First Online: 10 March 2021

Three-dimensional spiral CT observation of the facet joints of the lower cervical spine and its clinical significance

Qiu An Wang, Chong Guo, Ma Ji Sun, Feng Yuan
June 2021, Volume 30, Issue 6, pp 1536 - 1541
Original Article
First Online: 30 January 2021

Influence of dynamic neck motion on the clinical usefulness of multi-positional MRI in cervical degenerative spondylosis

Jong Beom Lee, Jong- Hyeok Park, Jung Jae Lee, Ho Jin Lee, Il Sup Kim, Jung-Woo Hur, Jae Taek Hong
June 2021, Volume 30, Issue 6, pp 1542 - 1550
Original Article
First Online: 16 February 2021

Identifying factors influencing mortality in patients aged over 65 following an acute type II odontoid process fracture. A retrospective cohort study

Timothy Lukins, Lana Nguyen, Mitchell A. Hansen, Richard D. Ferch
June 2021, Volume 30, Issue 6, pp 1551 - 1565
Original Article
First Online: 22 February 2021

Does fracture-extension into the pars interarticularis alter outcomes in odontoid failure? a technical note on pars interarticularis osteotomy and atlantoaxial distraction arthrodesis

Salvatore Russo, Reza Mobasheri, Felipe de Negreiros Nanni, Khai Lam
June 2021, Volume 30, Issue 6, pp 1556 - 1565
Original Article
First Online: 18 March 2021

A biomechanical comparison of a cement-augmented odontoid screw with a posterior-instrumented fusion in geriatric patients with an odontoid fracture type IIb

Falko Schwarz, Christian Liebsch, Nikolaus Berger-Roscher, Hans-Joachim Wilke, Yasser Sakr, Rolf Kalff, Albrecht Waschke
June 2021, Volume 30, Issue 6, pp 1566 - 1573
Original Article
First Online: 30 April 2021

C1-C2 Injury: Factors influencing mortality, outcome, and fracture healing

C. Y. Barrey, A. di Bartolomeo, L. Barresi, N. Bronsard, J. Allia, B. Blondel, S. Fuentes, B. Nicot, V. Challier, J. Godard, P. Marinho, P. Kouyoumdjian, M. Lleu, N. Lonjon, E. Freitas, J. Berthiller, Y. P. Charles
June 2021, Volume 30, Issue 6, pp 1574 - 1584
Original Article
First Online: 26 February 2021

A novel surgical protocol for safe and accurate placement of C1 lateral mass screws in patients with atlas assimilation, basilar invagination and atlantoaxial instability: technical details, accuracy assessment and perioperative complications

Yue-Qi Du, Yi-Heng Yin, Teng Li, Guang-Yu Qiao, Xin-Guang Yu
June 2021, Volume 30, Issue 6, pp 1585 - 1595
Original Article
First Online: 11 March 2021

Surgical nuances and construct patterns influence construct stiffness in C1-2 stabilizations: a biomechanical study of C1-2 gapping and advanced C1-2 fixation

Heiko Koller, Sebastian Hartmann, Gmeiner Raphael, Werner Schmölz, Christoph Orban, Claudius Thome
June 2021, Volume 30, Issue 6, pp 1596 - 1606
Original Article
First Online: 23 April 2021

Accuracy and reliability of the AO Spine subaxial cervical spine classification system grading subaxial cervical facet injury morphology

Juan P. Cabrera, Ratko Yurac, Alfredo Guiroy, Andrei F. Joaquim, Charles A. Carazzo, Juan J. Zamorano, Kevin P. White, Marcelo Valacco
June 2021, Volume 30, Issue 6, pp 1607 - 1614
Original Article
First Online: 11 April 2021