Posterior Stabilization with an Interlaminar Clamp in Cervical Injuries: Technical Note and Review of the Long Term Experience with the Method

Holness, Renn O.; Huestis, William S.; Howes, William J.; Langille, Roland A.

doi:10.1227/00006123-198403000-00010

Cited by 124 publications

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“…This previous research has primarily examined the structural role that certain vertebral features play in maintaining proper head and neck posture, specifically regarding injury and surgical implants (e.g., Holness et al, 1984;Yoshida et al, 1992;Panjabi et al, 1993;Whyne et al, 1998:). Researchers have also established normal ranges of motion for the human head and neck, including the proprioceptive role that the nuchal musculature plays during maintenance of the visual field and natural head positions (e.g., Lind et al, 1989;Berthoz et al, 1992;Dvorak et al, 1992; Haymann and Donaldson, 1997;Feipel et al, 1999;Panjabi et al, 2001;Mercer and Bogduk, 2001; Takeuchi and Shono, 2007;Nagamoto et al, 2011).…”

Section: ! !mentioning

confidence: 99%

Functional morphology of the primate head and neck

Nalley

Grider-Potter

2015

American J Phys Anthropol

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The vertebral column plays a key role in maintaining posture, locomotion, and transmitting loads between body components. Cervical vertebrae act as a bridge between the torso and head and play a crucial role in the maintenance of head position and the visual field.Despite its importance in positional behaviors, the functional morphology of the cervical region remains poorly understood, particularly in comparison to the thoracic and lumbar sections of the spinal column. This study tests whether morphological variation in the primate cervical vertebrae correlates with differences in postural behavior. Phylogenetic generalized least-squares analyses were performed on a taxonomically broad sample of 26 extant primate taxa to test the link between vertebral morphology and posture. Kinematic data on primate head and neck postures were used instead of behavioral categories, in an effort to provide a more direct analysis of our functional hypothesis. Results provide evidence for a function-form link between cervical vertebral shape and postural behaviors. Specifically, taxa with more pronograde heads and necks and less kyphotic orbits exhibit cervical vertebrae with longer spinous processes, indicating increased mechanical advantage for deep nuchal musculature, and craniocaudally longer vertebral bodies and more coronally oriented zygapophyseal articular facets, suggesting an emphasis on curve formation and maintenance within the cervical lordosis, coupled with a greater resistance to translation and ventral displacement. These results not only document support for functional relationships in cervical vertebrae features across a wide range of primate taxa, but highlight the utility of quantitative behavioral data in functional investigations. ! !Despite the critical role of the vertebral column in postural and locomotor behaviors, our understanding of primate cervical vertebral form and function is markedly limited compared to knowledge of thoracolumbar functional morphology (Schultz, 1942(Schultz, , 1961Toerien, 1961;Mercer, 1999;Manfreda et al., 2006; Ankel-Simons, 2007;Mitteroecker et al., 2007). Many early descriptions of primate cervical morphology as a whole concluded that skeletal variation was limited and that the region was thus relatively uninformative regarding functional or phylogenetic questions (e.g., Toerien, 1961; Ankel 1967 Ankel , 1970 Ankel , 1972. Notable exceptions include Slijper (1946) and Schultz (1961). Slijper's 1946 work investigated the presacral vertebral column across animals and developed several body-axis models stilled used today (e.g., Clauser, 1980;Shapiro, 1991;Dunbar et al., 2008;Stevens, 2013). Furthermore, the author recognized the positive relationship between body size and spinous process size and argued that the differences in cervical spinous process length between humans, great apes, and monkeys was related to head posture and position maintenance (see Toerien (1961) as well). Schultz (1961) focused mostly on measurements of the thoracic and lumbar regions, but descr...

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Section: ! !mentioning

confidence: 99%

Functional morphology of the primate head and neck

Nalley

Grider-Potter

2015

American J Phys Anthropol

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“…33 Interlaminar clamps for posterior C1-C2 fixation became fashionable in the 1980s. 34 The latest development of the C1-C2 fusion techniques is the posterior screw fixation, utilizing C1-C2 transarticular screws and C1 lateral mass screws with C2 pars screws. These techniques have been further developed for computer-assisted surgery.…”

Section: Posterior Approachesmentioning

confidence: 99%

History of cervical spine surgery: from nihilism to advanced reconstructive surgery

et al. 2013

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Study design: Review of literature.Objectives: To review and analyze the evolution of cervical spine surgery from ancient times to current practice. The aim is to present an accessible overview, primarily intended for a broad readership. Methods: Descriptive literature review and analysis of the development of cervical spine surgery from the prehistoric era until today. Results: The first evidence for surgical treatment of spinal disorders dates back to approximately 1500 BC. Conservative approaches to treatment have been the hallmark for thousands of years, but over the past 50 years progress has been rapid. We illustrate how nations have added elements to this complex subject and how knowledge has surpassed borders and language barriers. Transferral of knowledge occurred from Babylon (Bagdad) to Old Egypt, to the Greek and Roman empires and finally via the Middle East (Bagdad and Damascus) back to Europe. Recent advances in the field of anesthesia, imaging and spinal instrumentation have changed longstanding nihilism in the treatment of cervical spine pathologies to the current practice of advanced reconstructive surgery of the cervical spine. A critical approach to the evaluation of benefits and complications of these advanced surgical techniques for treatment of cervical spine disorders is required. Conclusion: Advances in surgery now permit full mechanical reconstruction of the cervical spine. However, despite substantial experimental progress, spinal cord repair and restoration of lost functions remain a challenge. Modern surgeons are still looking for the best way to manage spine disorders.

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“…Since the initial description of dorsal C1-2 wiring by Mixter and Osgood in 1910, 20 important advancements have been made regarding methods of C1-2 surgical fixation, which, initially, focused on improvement of the dorsal wiring method. 6,7,9 However, beginning with the first descriptions of anterior odontoid screw fixation in the 1980s 2,4,5 and continuing with subsequent description of C1-2 screw and rod constructs in the past 25 years, 10,11,14,15,17,18,[22][23][24] the options for C1-2 stabilization have expanded greatly. In the following case, the authors describe a novel technique in which a unilateral lag screw was placed to reduce and stabilize a progressively widening right-sided lateral mass fracture of C-1 that was initially treated with a rigid cervical collar.…”

confidence: 99%

Placement of unilateral lag screw through the lateral mass of C-1: description of a novel technique

Tabbosha

Dowdy²,

Pait³

2013

SPI

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Over the past several decades, many advancements and new techniques have emerged regarding the instrumentation and stabilization of the upper cervical spine. In this article, the authors describe a novel technique in which a unilateral lag screw was placed to reduce and stabilize a progressively widening fracture and nonunion of the right C-1 lateral mass approximately 8 weeks after the initial injury, which was sustained when a large tree branch fell onto the patient's posterior head and neck.

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Posterior Stabilization with an Interlaminar Clamp in Cervical Injuries: Technical Note and Review of the Long Term Experience with the Method

Cited by 124 publications

References 0 publications

Functional morphology of the primate head and neck

Functional morphology of the primate head and neck

History of cervical spine surgery: from nihilism to advanced reconstructive surgery

Placement of unilateral lag screw through the lateral mass of C-1: description of a novel technique

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