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Journal articles on the topic 'Spinal anterior longitudinal ligament (ALL)'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Yoganandan, Narayan, Srirangam Kumaresan, and Frank A. Pintar. "Geometric and Mechanical Properties of Human Cervical Spine Ligaments." Journal of Biomechanical Engineering 122, no. 6 (2000): 623–29. http://dx.doi.org/10.1115/1.1322034.

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This study characterized the geometry and mechanical properties of the cervical ligaments from C2–T1 levels. The lengths and cross-sectional areas of the anterior longitudinal ligament, posterior longitudinal ligament, joint capsules, ligamentum flavum, and interspinous ligament were determined from eight human cadavers using cryomicrotomy images. The geometry was defined based on spinal anatomy and its potential use in complex mathematical models. The biomechanical force-deflection, stiffness, energy, stress, and strain data were obtained from 25 cadavers using in situ axial tensile tests. Da

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Deukmedjian, Armen R., Elias Dakwar, Amir Ahmadian, Donald A. Smith, and Juan S. Uribe. "Early Outcomes of Minimally Invasive Anterior Longitudinal Ligament Release for Correction of Sagittal Imbalance in Patients with Adult Spinal Deformity." Scientific World Journal 2012 (2012): 1–7. http://dx.doi.org/10.1100/2012/789698.

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The object of this study was to evaluate a novel surgical technique in the treatment of adult degenerative scoliosis and present our early experience with the minimally invasive lateral approach for anterior longitudinal ligament release to provide lumbar lordosis and examine its impact on sagittal balance.Methods. All patients with adult spinal deformity (ASD) treated with the minimally invasive lateral retroperitoneal transpsoas interbody fusion (MIS LIF) for release of the anterior longitudinal ligament were examined. Patient demographics, clinical data, spinopelvic parameters, and outcome

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Protsenko, A. I., V. K. Nikuradze, M. A. Klyuchnikov, and K. T. Hudoiberdiev. "Stenosis of cervical spinal canal due to ossification of posterior longitudinal ligament." N.N. Priorov Journal of Traumatology and Orthopedics 3, no. 1 (1996): 12–15. http://dx.doi.org/10.17816/vto64062.

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Authors present their experience with 36 cases of spinal canal stenosis due to ossification of posterior longitudinal ligament in cervical spine. Ligament ossification extent was found to be local (1 segment) or segmental (2-3 segments). Clinical examination showed cervical myelopathy of various severity. Diagnosis of cervical spinal canal stenosis was determined mainly by CT and MRT. All patients underwent surgical treatment - anterior transcorporal decompression of spinal cord. Positive results were achieved in 34 patients including 22 patients with complete elimination of myelopathy, 9 pati

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McCafferty, Randall R., Michael J. Harrison, Laszlo B. Tamas, and Mark V. Larkins. "Ossification of the anterior longitudinal ligament and Forestier's disease: an analysis of seven cases." Journal of Neurosurgery 83, no. 1 (1995): 13–17. http://dx.doi.org/10.3171/jns.1995.83.1.0013.

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✓ A retrospective review was conducted on the records and radiographs of six symptomatic patients and one asymptomatic patient with Forestier's disease. No other series of patients with this disease is found in the neurosurgical literature. Forestier's disease, also known as diffuse idiopathic skeletal hyperostosis (DISH), is an idiopathic rheumatological abnormality in which exuberant ossification occurs along ligaments throughout the body, but most notably the anterior longitudinal ligament of the spine. It affects older men predominantly; all of our patients were men older than 60 years of

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Singh, Narendra, Ana Trajkovski, Jovan Trajkovski, Robert Kunc, and Jose Felix Rodriguez Matas. "A Pilot Study on the Age-Dependent, Biomechanical Properties of Longitudinal Ligaments in the Human Cervical Spine." Bioengineering 12, no. 1 (2025): 61. https://doi.org/10.3390/bioengineering12010061.

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The cervical spine ligaments, including the anterior longitudinal ligament (ALL) and posterior longitudinal ligament (PLL), play a key role in maintaining spinal stability by limiting excessive movements. This study investigates how ageing affects the mechanical properties of these ligaments. We analysed 33 samples from 12 human cervical spines (15 ALL, 18 PLL), averaging data from the same donors for independent analysis, resulting in 18 final samples (8 ALL, 10 PLL). To explore age-related changes, we classified the samples into two groups—below and above 50 years old—aligning with the peak

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Uribe, Juan S., Frank Schwab, Gregory M. Mundis, et al. "The comprehensive anatomical spinal osteotomy and anterior column realignment classification." Journal of Neurosurgery: Spine 29, no. 5 (2018): 565–75. http://dx.doi.org/10.3171/2018.4.spine171206.

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OBJECTIVESpinal osteotomies and anterior column realignment (ACR) are procedures that allow preservation or restoration of spine lordosis. Variations of these techniques enable different degrees of segmental, regional, and global sagittal realignment. The authors propose a comprehensive anatomical classification system for ACR and its variants based on the level of technical complexity and invasiveness. This serves as a common language and platform to standardize clinical and radiographic outcomes for the utilization of ACR.METHODSThe proposed classification is based on 6 anatomical grades of

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Damba, Nadhir, Benaoumeur Aour, Abdellatif Oudrane, and Lamsadfa Sidamar. "Numerical Modeling of the Capsular Ligament Failure for the C2-C3 Segment in the Case of a Frontal Impact." Journal of Biomimetics, Biomaterials and Biomedical Engineering 60 (May 31, 2023): 69–81. http://dx.doi.org/10.4028/p-3td39z.

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The cervical spine is a complex anatomical structure that mainly stabilizes the head and protects the spinal cord. Injuries of the cervical spine often occur during falls or road accidents and are particularly serious since they generate strong threats of paralysis and death. It should be noted that the ligaments provide cervical stability but their stabilization in case of injury is not yet well investigated. In this context, the objective of the present work is to study the failure of the ligaments by developing a bio-faithful numerical model while using a more realistic geometry of the spin

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Islam, Md Anowarul, Suvradev Saha, Md Mohoshin Sarker, and Afia Ibnat Islam. "Outcome of ACCF in Multilevel Cervical Spondylotic Myelopathy with OPLL and Kyphotic Deformity." Back Bone Journal 3, no. 2 (2022): 78–83. http://dx.doi.org/10.13107/bbj.2022.v03i02.044.

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Purpose: To evaluate the Outcome of Anterior cervical corpectomy & Fusion in multilevel Cervical Spondylotic Myelopathy with Ossification Posterior Longitudinal Ligament & kyphotic deformity. Background: Cervical spondylotic myelopathy (CSM) is the most common cause of spinal cord dysfunction in the adult. Ossification of the posterior longitudinal ligament (OPLL) is a hyperostotic condition of the spine, where the PLL becomes progressively calcified, leading to spinal canal stenosis. Anterior decompression by corpectomy and removal of ossified posterior longitudinal ligament is a well

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Wang, Can, Yang Li, Liang Wang, Yijin Wang, Zhongya Gao, and Xuhua Lu. "Analysis of risk factors affecting postoperative neurological recovery in patients with cervical spine fracture in ankylosing spondylitis." Medicine 103, no. 32 (2024): e39232. http://dx.doi.org/10.1097/md.0000000000039232.

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Ankylosing spondylitis (AS) is a chronic progressive inflammatory disease that mainly affects the spine and involves the sacroiliac and peripheral joints. Low-energy trauma can often lead to spinal fractures and spinal cord injuries (SCIs), the treatment of AS is challenging. The prognosis of neurological function in patients with AS cervical fracture and SCI is a major problem that must sought clinician attention on urgent basis. A total of 106 patients with AS cervical fractures who underwent surgical treatment at Shanghai Changzheng Hospital between August 2009 and 2021 were included in thi

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Kojima, Tadashi, Shiro Waga, Yoshichika Kubo, Kenji Kanamaru, Shinichi Shimosaka, and Takeo Shimizu. "Anterior Cervical Vertebrectomy and Interbody Fusion for Multi-Level Spondylosis and Ossification of the Posterior Longitudinal Ligament." Neurosurgery 24, no. 6 (1989): 864–72. http://dx.doi.org/10.1227/00006123-198906000-00012.

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ABSTRACT Multi-level cervical spondylosis and ossification of the posterior longitudinal ligament (OPLL) are well-documented causes of myelopathy. The choice of surgical procedures remain controversial. Between January 1983 and December 1987, we have performed anterior cervical vertebrectomy in 45 patients with cervical myelopathy caused by multi-level spondylosis and OPLL. They consisted of 19 patients with cervical spondylosis, 12 with OPLL, and 14 with combined lesions of both cervical spondylosis and OPLL. There were 32 men and 13 women. The mean age was 55 years, ranging from 35 to 70 yea

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YANG, Da-long, Wen-yuan DING, Ying-ze ZHANG, Wei ZHANG, Jia-xin XU, and Yong SHEN. "Removal versus preservation of the posterior longitudinal ligament in Bryan cervical disc arthroplasty." Chinese Medical Journal 126, no. 20 (2013): 3812–16. http://dx.doi.org/10.3760/cma.j.issn.0366-6999.20130673.

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Background Bryan cervical disc arthroplasty can be used to restore and maintain the mobility and function of the involved cervical spinal segments. The efficiency of posterior longitudinal ligament (PLL) resection in anterior cervical decompression and fusion has been demonstrated. However, no clinical reports have compared PLL removal with preservation in Bryan cervical disc arthroplasty. This study aimed to assess the role of removal of PLL in Bryan cervical disc arthroplasty at an 18-month follow-up. Methods We performed a prospective investigation of clinical and radiological outcomes in p

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Kato, Hajime, Minae Koga, Yuka Kinoshita, et al. "Incidence of Complications in 25 Adult Patients With X-linked Hypophosphatemia." Journal of Clinical Endocrinology & Metabolism 106, no. 9 (2021): e3682-e3692. http://dx.doi.org/10.1210/clinem/dgab282.

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Abstract Context Adults with X-linked hypophosphatemia (XLH) present complications other than osteomalacia. Objective To describe the incidence and severity of comorbidities in adults with XLH. Methods This observational retrospective study included a total of 25 adults with XLH with thorough investigations, including spinal computed tomography scans, x-rays of hip/knee joints and Achilles tendons, abdominal ultrasounds, and audiograms. The index of ossification of the anterior/posterior longitudinal ligament and yellow ligament (OA/OP/OY index) and the sum of OA/OP/OY index (OS index) were ut

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Koyanagi, Izumi, Yoshinobu Iwasaki, Kazutoshi Hida, Hiroyuki Imamura, and Hiroshi Abe. "Magnetic resonance imaging findings in ossification of the posterior longitudinal ligament of the cervical spine." Journal of Neurosurgery 88, no. 2 (1998): 247–54. http://dx.doi.org/10.3171/jns.1998.88.2.0247.

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Object. Because of the lack of magnetic resonance (MR) signal from cortical bones, MR imaging is inadequate for diagnosing ossified lesions in the spinal canal. However, MR imaging provides important information on spinal cord morphology and associated soft-tissue abnormality. The purpose of this study is to determine the role of MR imaging in the diagnosis and treatment of patients with ossification of the posterior longitudinal ligament (OPLL) of the cervical spine. Methods. The authors reviewed MR imaging findings in 42 patients with cervical OPLL who were examined with a superconducting MR

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Martinez-Perez, R., I. Paredes, J. Cotrina, S. Pandey, and A. Lagares. "F.01 Prognostic factors in adults with spinal cord injury without radiological abnormalities (SCIWORA): MRI study." Canadian Journal of Neurological Sciences / Journal Canadien des Sciences Neurologiques 43, S2 (2016): S18—S19. http://dx.doi.org/10.1017/cjn.2016.96.

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Background: Spinal Cord Injury Without Radiological Abnormality (SCIWORA) is underreported and poorly recognized in adults. This entity is an important subtype of spinal cord injury (SCI) with relatively good outcomes. Despite this, few studies have been performed to determine specific imaging-related prognostic factors. Methods: A retrospective review of adult patients with cervical SCI admitted to two University hospitals from January 2000 to December 2010 was performed. Only patients with an MRI performed within 72 hours after trauma were included. All patients with bony injury or traumatic

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Harsh, Griffith R., George W. Sypert, Philip R. Weinstein, Donald A. Ross, and Charles B. Wilson. "Cervical spine stenosis secondary to ossification of the posterior longitudinal ligament." Journal of Neurosurgery 67, no. 3 (1987): 349–57. http://dx.doi.org/10.3171/jns.1987.67.3.0349.

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✓ Ossification of the posterior longitudinal ligament (OPLL) is a well-documented cause of cervical spine stenosis and myelopathy among Japanese patients. Reports of OPLL in North Americans are rare. Choices of diagnostic method and treatment for this entity remain controversial. The authors report the results of management of 20 patients in the United States with symptomatic OPLL of the cervical spine. These represented 10% to 20% of patients operated on over the last 3 years for myelopathy secondary to structural spinal compression. Most of these OPLL patients were Caucasian (60%), male (mal

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Mizuno, Junichi, Hiroshi Nakagawa, and Yoshio Hashizume. "Analysis of Hypertrophy of the Posterior Longitudinal Ligament of the Cervical Spine, on the Basis of Clinical and Experimental Studies." Neurosurgery 49, no. 5 (2001): 1091–98. http://dx.doi.org/10.1097/00006123-200111000-00013.

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ABSTRACT OBJECTIVE The goal of this study was to elucidate the pathophysiological features and treatment of hypertrophy of the posterior longitudinal ligament (HPLL) of the cervical spine. HPLL is defined as a pathological thickening of the posterior longitudinal ligament (PLL), causing spinal cord compression. Incomplete decompression via removal of only coexisting herniated intervertebral discs or spondylotic spurs might be performed, resulting in unsatisfactory surgical outcomes, when the PLL becomes abnormally thickened and contributes to myelopathy. METHODS Patients with HPLL who underwen

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Dalbayrak, Sedat, Mesut Yilmaz, and Sait Naderi. "“Skip” corpectomy in the treatment of multilevel cervical spondylotic myelopathy and ossified posterior longitudinal ligament." Journal of Neurosurgery: Spine 12, no. 1 (2010): 33–38. http://dx.doi.org/10.3171/2009.7.spine08965.

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Object The authors reviewed the results of “skip” corpectomy in 29 patients with multilevel cervical spondylotic myelopathy (CSM) and ossified posterior longitudinal ligament (OPLL). Methods The skip corpectomy technique, which is characterized by C-4 and C-6 corpectomy, C-5 osteophytectomy, and C-5 vertebral body preservation, was used for decompression in patients with multilevel CSM and OPLL. All patients underwent spinal fixation using C4–5 and C5–6 grafts, and anterior cervical plates were fixated at C-3, C-5, and C-7. Results The mean preoperative Japanese Orthopaedic Association score i

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Tubbs, R. Shane, Amin Demerdash, Marios Loukas, et al. "Intracranial Connections of the Vertebral Venous Plexus: Anatomical Study with Application to Neurosurgical and Endovascular Procedures at the Craniocervical Junction." Operative Neurosurgery 14, no. 1 (2017): 51–57. http://dx.doi.org/10.1093/ons/opx080.

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Abstract BACKGROUND Descriptions of intracranial extensions of vertebral venous plexuses are lacking. OBJECTIVE To identify vertebral venous plexuses at the craniocervical junction in cadavers and describe them. METHODS The authors dissected 15 ink-injected, formalin-fixed, adult cadaveric heads and measured cranial extensions of the spinal venous plexuses. RESULTS All specimens had vertebral venous plexuses at the craniocervical junction composed of multiple interwoven vessels concentrated anteriorly (anterior vertebral plexuses), posteriorly (posterior vertebral venous plexuses), and lateral

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Mayr, Matthew T., Brian R. Subach, Christopher H. Comey, Gerald E. Rodts, and Regis W. Haid. "Cervical spinal stenosis: outcome after anterior corpectomy, allograft reconstruction, and instrumentation." Journal of Neurosurgery: Spine 96, no. 1 (2002): 10–16. http://dx.doi.org/10.3171/spi.2002.96.1.0010.

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Object. The authors undertook a retrospective single-institution review of 261 patients who underwent anterior cervical corpectomy, reconstruction with allograft fibula, and placement of an anterior plating system for the treatment of cervical spinal stenosis to assess fusion rates and procedure-related complications. Methods. Between October 1989 and June 1995, 261 patients with cervical stenosis underwent cervical corpectomy, allograft fibular bone fusion, and placement of instrumentation for spondylosis (197 patients), postlaminectomy kyphosis (27 patients), acute fracture (25 patients), or

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Johnson, J. Patrick, Doniel Drazin, Wesley A. King, and Terrence T. Kim. "Image-guided navigation and video-assisted thoracoscopic spine surgery: the second generation." Neurosurgical Focus 36, no. 3 (2014): E8. http://dx.doi.org/10.3171/2014.1.focus13532.

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Object Video-assisted thoracoscopic surgery (VATS) has evolved for treatment of a variety of spinal disorders. Early incorporation with image-guided surgery (IGS) was challenged due to reproducibility and adaptability, limiting the procedure's acceptance. In the present study, the authors report their experience with second-generation IGS and VATS technologies for anterior thoracic minimally invasive spinal (MIS) procedures. Methods The surgical procedure is described in detail including operating room set-up, patient positioning (a lateral decubitus position), placement of the spinal referenc

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Elkatatny, Amr Mostafa, Hossam Eldin Mostafa, Ahmad H. Gouda, Mohamed Abdeltawab Mahmoud, Dina Mahmoud Alnajjar, and Dina Abdelazim Ghoraba. "Functional Outcomes of Surgical Management for Spinal Epidural Masses in an Egyptian Tertiary Hospital." Open Access Macedonian Journal of Medical Sciences 7, no. 17 (2019): 2829–37. http://dx.doi.org/10.3889/oamjms.2019.575.

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BACKGROUND: The spinal epidural space, covering the dural sac, is located along the posterior longitudinal ligament anteriorly, the ligamentum flavum and the periosteum of laminae posteriorly, and the pedicles of the spinal column by the intervertebral foramina containing their neural elements laterally. It could be affected variably by different types of diseases, either as primary lesions or as an extension from a disease process in the nearby tissues and organs. AIM: We aimed to present clinically and surgically patients with spinal epidural masses operated in the Neurosurgery Departm

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Sabou, Silviu, Apostolos Lagaras, Rajat Verma, Irfan Siddique, and Saeed Mohammad. "Comparative study of multilevel posterior interbody fusion plus anterior longitudinal ligament release versus classic multilevel posterior interbody fusion in the treatment of adult spinal deformities." Journal of Neurosurgery: Spine 31, no. 1 (2019): 46–52. http://dx.doi.org/10.3171/2019.1.spine18754.

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OBJECTIVESagittal imbalance and loss of lumbar lordosis are the main drivers of functional disability in adult degenerative scoliosis. The main limitations of the classic posterior lumbar interbody fusion technique are increased risk of neurological injury and suboptimal correction of the segmental lordosis. Here, the authors describe the radiological results of a modified posterior lumbar interbody fusion and compare the results with a historical cohort of patients.METHODSEighty-two consecutive patients underwent surgical treatment for degenerative scoliosis/kyphosis in a single tertiary refe

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Schultz, Karl D., Mark R. Mclaughlin, Regis W. Haid, Christopher H. Comey, Gerald E. Rodts, and Joseph Alexander. "Single-stage anterior–posterior decompression and stabilization for complex cervical spine disorders." Neurosurgical Focus 9, no. 2 (2000): 1–8. http://dx.doi.org/10.3171/foc.2000.9.2.8.

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Object To evaluate the applicability and safety of single-stage combined anterior–posterior decompression and fusion for complex cervical spine disorders, the authors retrospectively reviewed 72 consecutive procedures of this type performed at their respective institutions. Methods The indications for decompression and stabilization included: postlaminectomy kyphosis (15 patients), trauma (19 patients), spondylosis and congenital stenosis (32 patients), and ossification of the posterior longitudinal ligament (six patients). All patients underwent anterior cervical corpectomies in which allogra

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Fujii, Kengo, Tetsuya Abe, Toru Funayama, et al. "Lateral Lumbar Interbody Fusion for Ossification of the Yellow Ligament in the Lumbar Spine: First Reported Case." Case Reports in Orthopedics 2017 (2017): 1–6. http://dx.doi.org/10.1155/2017/3404319.

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When ossification of the yellow ligament (OYL) occurs in the lumbar spine and extends to the lateral wall of the spinal canal, facetectomy is required to remove all of the ossified lesion and achieve decompression. Subsequent posterior fixation with interbody fusion will then be necessary to prevent postoperative progression of the ossification and intervertebral instability. The technique of lateral lumbar interbody fusion (LLIF) has recently been introduced. Using this procedure, surgeons can avoid excess blood loss from the extradural venous plexus and detachment of the ossified lesion and

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Ruspi, Maria Luisa, Marco Palanca, Luca Cristofolini, et al. "Digital Image Correlation (DIC) Assessment of the Non-Linear Response of the Anterior Longitudinal Ligament of the Spine during Flexion and Extension." Materials 13, no. 2 (2020): 384. http://dx.doi.org/10.3390/ma13020384.

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While the non-linear behavior of spine segments has been extensively investigated in the past, the behavior of the Anterior Longitudinal Ligament (ALL) and its contribution during flexion and extension has never been studied considering the spine as a whole. The aims of the present study were to exploit Digital Image Correlation (DIC) to: (I) characterize the strain distribution on the ALL during flexion-extension, (II) compare the strain on specific regions of interest (ROI) of the ALL in front of the vertebra and of the intervertebral disc, (III) analyze the non-linear relationship between t

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Schultz, Karl D., Mark R. McLaughlin, Regis W. Haid, Christopher H. Comey, Gerald E. Rodts, and Joseph Alexander. "Single-stage anterior—posterior decompression and stabilization for complex cervical spine disorders." Journal of Neurosurgery: Spine 93, no. 2 (2000): 214–21. http://dx.doi.org/10.3171/spi.2000.93.2.0214.

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Object. To evaluate the applicability and safety of single-stage combined anterior—posterior decompression and fusion for complex cervical spine disorders, the authors retrospectively reviewed 72 consecutive procedures of this type performed using a uniform technique at a single center. Methods. The indications for decompression and stabilization included: postlaminectomy kyphosis (15 patients), trauma (19 patients), spondylosis and congenital stenosis (32 patients), and ossification of the posterior longitudinal ligament (six patients). All patients underwent anterior cervical corpectomies in

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Imagama, Shiro, Kei Ando, Zenya Ito, et al. "Resection of Beak-Type Thoracic Ossification of the Posterior Longitudinal Ligament from a Posterior Approach under Intraoperative Neurophysiological Monitoring for Paralysis after Posterior Decompression and Fusion Surgery." Global Spine Journal 6, no. 8 (2016): 812–21. http://dx.doi.org/10.1055/s-0036-1579662.

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Study Design Prospective clinical study. Objective Posterior decompression and fusion surgery for beak-type thoracic ossification of the posterior longitudinal ligament (T-OPLL) generally has a favorable outcome. However, some patients require additional surgery for postoperative severe paralysis, a condition that is inadequately discussed in the literature. The objective of this study was to describe the efficacy of a procedure we refer to as “resection at an anterior site of the spinal cord from a posterior approach” (RASPA) for severely paralyzed patients after posterior decompression and f

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Deukmedjian, Armen R., Tien V. Le, Ali A. Baaj, Elias Dakwar, Donald A. Smith, and Juan S. Uribe. "Anterior longitudinal ligament release using the minimally invasive lateral retroperitoneal transpsoas approach: a cadaveric feasibility study and report of 4 clinical cases." Journal of Neurosurgery: Spine 17, no. 6 (2012): 530–39. http://dx.doi.org/10.3171/2012.8.spine12432.

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Object Traditional procedures for correction of sagittal imbalance via shortening of the posterior column include the Smith-Petersen osteotomy, pedicle subtraction osteotomy, and vertebral column resection. These procedures require wide exposure of the spinal column posteriorly, and may be associated with significant morbidity. Anterior longitudinal ligament (ALL) release using the minimally invasive lateral retroperitoneal approach with a resultant net lengthening of the anterior column has been performed as an alternative to increase lordosis. The objective of this study was to demonstrate t

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Kanno, Haruo, Toshimi Aizawa, Ko Hashimoto, Eiji Itoi, and Hiroshi Ozawa. "Anterior decompression through a posterior approach for thoracic myelopathy caused by ossification of the posterior longitudinal ligament: a novel concept in anterior decompression and technical notes with the preliminary outcomes." Journal of Neurosurgery: Spine 36, no. 2 (2022): 276–86. http://dx.doi.org/10.3171/2021.4.spine213.

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OBJECTIVE Various surgical procedures are used to manage thoracic myelopathy due to ossification of the posterior longitudinal ligament (OPLL). However, the outcomes of surgery for thoracic OPLL are generally unfavorable in comparison to surgery for cervical OPLL. Previous studies have shown a significant risk of perioperative complications in surgery for thoracic OPLL. Thus, a safe and secure surgical method to ensure better neurological recovery with less perioperative complications is needed. The authors report a novel concept of anterior decompression through a posterior approach aimed at

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Kato, Satoshi, Hideki Murakami, Satoru Demura, et al. "Gradual spinal cord decompression through migration of floated plaques after anterior decompression via a posterolateral approach for OPLL in the thoracic spine." Journal of Neurosurgery: Spine 23, no. 4 (2015): 479–83. http://dx.doi.org/10.3171/2015.1.spine14960.

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OBJECT Several surgical procedures have been developed to treat thoracic OPLL (ossification of the posterior longitudinal ligament). However, favorable surgical results are not always achieved, and consistent protocols and procedures for surgical treatment of OPLL in this region have not been established. Beak-type OPLL in the thoracic spine is known to be the most complicated form of OPLL to treat surgically. In this study, the authors examine the clinical outcomes after anterior decompression via a posterolateral approach for beak-type OPLL in the thoracic spine and address the gradual spina

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McCabe, Robert, Doris Tong, Connor Hanson, Dejan Slavnic, and Teck Mun Soo. "Using aneurysm clips for repair of cisterna chyli injury during posterior spinal fusion." Surgical Neurology International 12 (August 30, 2021): 428. http://dx.doi.org/10.25259/sni_172_2021.

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Background: Injury to the cisterna chyli (CC) is a rare surgical complication with a lack of literature describing its repair. Aneurysm clips have been successfully used to repair durotomies. Its usage in lymphatic injury has never been described. We sought to demonstrate the use of aneurysm clips for the repair of lymphatic vessels. Case Description: A 60-year-old male retired physician with Parkinson’s disease underwent a lumbosacral instrumented fusion with pelvic fixation (L1-pelvis) in 2011. He returned 5 months postoperatively after a fall and was ambulatory with a cane upon admission. C

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Yen, Chun-Po, Joshua M. Beckman, Andrew C. Vivas, Konrad Bach, and Juan S. Uribe. "Effects of intradiscal vacuum phenomenon on surgical outcome of lateral interbody fusion for degenerative lumbar disease." Journal of Neurosurgery: Spine 26, no. 4 (2017): 419–25. http://dx.doi.org/10.3171/2016.8.spine16421.

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OBJECTIVE The authors investigated whether the presence of intradiscal vacuum phenomenon (IVP) results in greater correction of disc height and restoration of segmental lordosis (SL). METHODS A retrospective chart review was performed on every patient at the University of South Florida's Department of Neurosurgery treated with lateral lumbar interbody fusion between 2011 and 2015. From these charts, preoperative plain radiographs and CT images were reviewed for the presence of IVP. Preoperative and postoperative posterior disc height (PDH), anterior disc height (ADH), and SL were measured at d

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Uribe, Juan S., Donald A. Smith, Elias Dakwar, et al. "Lordosis restoration after anterior longitudinal ligament release and placement of lateral hyperlordotic interbody cages during the minimally invasive lateral transpsoas approach: a radiographic study in cadavers." Journal of Neurosurgery: Spine 17, no. 5 (2012): 476–85. http://dx.doi.org/10.3171/2012.8.spine111121.

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Object In the surgical treatment of spinal deformities, the importance of restoring lumbar lordosis is well recognized. Smith-Petersen osteotomies (SPOs) yield approximately 10° of lordosis per level, whereas pedicle subtraction osteotomies result in as much as 30° increased lumbar lordosis. Recently, selective release of the anterior longitudinal ligament (ALL) and placement of lordotic interbody grafts using the minimally invasive lateral retroperitoneal transpsoas approach (XLIF) has been performed as an attempt to increase lumbar lordosis while avoiding the morbidity of osteotomy. The obje

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Yakovlev, E. V., A. L. Ovsepyan, S. A. Zhivolupov, A. A. Smirnov, and E. N. Gnevyshev. "Possibilities of personalized finite element segmental analysis of the cervical spine for predicting the course of dorsopathy." Meditsinskiy sovet = Medical Council, no. 14 (August 10, 2022): 38–56. http://dx.doi.org/10.21518/2079-701x-2022-16-14-38-56.

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Introduction. The use of mathematical modeling methods in clinical practice will make it possible to identify the pathogenetic forms of dorsopathies and thus reasonably use the concept of targeted treatment in the management of patients of this category.Aim. To evaluate the possibilities of finite element segmental analysis of the cervical spine for personalized treatment and prediction of the course of dorsopathies.Material and methods. Based on the combined data of computed and magnetic resonance imaging of the patient (female, born in 1951), a model of the C5 – C7 segment was generated, inc

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Takeda, Hiroki, Yuichiro Abe, Takaya Imai, et al. "Elucidation of the Mechanism of Occasional Anterior Longitudinal Ligament Rupture with Posterior Correction Procedure for Adult Spinal Deformity Using LLIF–Finite Element Analysis of the Impact of the Lordotic Angle of Intervertebral LLIF Cage." Medicina 59, no. 9 (2023): 1569. http://dx.doi.org/10.3390/medicina59091569.

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Background and Objectives: There are several advantages of using lateral lumbar interbody fusion (LLIF) for correction surgeries for adult spinal deformity (ASD); however, we currently have unresolved new issues, including occasional anterior longitudinal ligament (ALL) rupture during the posterior correction procedure. When LLIF was initially introduced, only less lordotic cages were available and ALL rupture was more frequently experienced compared with later periods when more lordotic cages were available. We performed finite element analysis (FEA) regarding the mechanism of ALL rupture dur

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Pang, Dachling. "Spinal Cord Injury without Radiographic Abnormality in Children, 2 Decades Later." Neurosurgery 55, no. 6 (2004): 1325–43. http://dx.doi.org/10.1227/01.neu.0000143030.85589.e6.

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Abstract OBJECTIVE: Much new research has emerged since1982, when the original description of spinal cord injury without radiographic abnormality (SCIWORA) as a self-contained syndrome was reported. This article reviews new and old data on SCIWORA, from the past 2 decades. METHODS: This article reviews what we have learned since 1982 about the unique biomechanical properties of the juvenile spine, the mechanisms of injuries, the profound influence of age on injury pattern and outcome, the magnetic resonance imaging (MRI) features, and management algorithms of SCIWORA. RESULTS: The increasing u

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Goel, Atul, Ravikiran Vutha, Abhidha Shah, Apurva Prasad, Ashutosh Kumar Shukla, and Shradha Maheshwari. "Defining role of atlantoaxial and subaxial spinal instability in the pathogenesis of cervical spinal degeneration: Experience with “only-fixation” without any decompression as treatment in 374 cases over 10 years." Journal of Craniovertebral Junction and Spine 15, no. 1 (2024): 74–82. http://dx.doi.org/10.4103/jcvjs.jcvjs_11_24.

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ABSTRACT Aim: The authors analyze their published work and update their experience with 374 cases of cervical radiculopathy and/or myelopathy related to spinal degeneration that includes ossification of the posterior longitudinal ligament (OPLL). The role of atlantoaxial and subaxial spinal instability as the nodal point of pathogenesis and focused target of surgical treatment is analyzed. Materials and Methods: During the period from June 2012 to November 2022, 374 patients presented with acute or chronic symptoms related to radiculopathy and/or myelopathy that were attributed to degenerative

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TONGA, Faruk. "Depth-labeled lumbar disc forceps for safe lumbar disc surgery: Our experience with 405 patients." Journal of Experimental and Clinical Medicine 39, no. 1 (2022): 134–38. http://dx.doi.org/10.52142/omujecm.39.1.27.

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Depth labeled lumbar disc forceps for safe lumbar disc surgery: Our experience with 405 patients Aim : Injury of intraabdominal structures by rupturing the anterior longitudinal ligament is a known complication of diskectomy. Despite its very low incidence, it has a high mortality. Although various minimally invasive methods are defined for discectomy, no significant reduction in this complication has been achieved. Positioning of the patient, aggressive discectomy, and deep-seated use of disc forceps are important risk factors. The aim of this study is to share our experience with modified in

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Ratliff, John K., and Paul R. Cooper. "Cervical laminoplasty: a critical review." Journal of Neurosurgery: Spine 98, no. 3 (2003): 230–38. http://dx.doi.org/10.3171/spi.2003.98.3.0230.

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Object. The technique of cervical laminoplasty was developed to decompress the spinal canal in patients with multilevel anterior compression caused by ossification of the posterior longitudinal ligament or cervical spondylosis. There is a paucity of data confirming its superiority to laminectomy with regard to neurological outcome, preserving spinal stability, preventing postlaminectomy kyphosis, and the development of the “postlaminectomy membrane.” Methods. The authors conducted a metaanalysis of the English-language laminoplasty literature, assessing neurological outcome, change in range of

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Yagi, Mitsuru, Ken Ninomiya, Michiya Kihara, and Yukio Horiuchi. "Long-term surgical outcome and risk factors in patients with cervical myelopathy and a change in signal intensity of intramedullary spinal cord on magnetic resonance imaging." Journal of Neurosurgery: Spine 12, no. 1 (2010): 59–65. http://dx.doi.org/10.3171/2009.5.spine08940.

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Object The goal of this study was to determine the long-term clinical significance of and the risk factors for intramedullary signal intensity change on MR images in patients with cervical compression myelopathy (CCM), an entity most commonly seen with cervical spondylotic myelopathy and ossification of the posterior longitudinal ligament (OPLL). Methods One hundred seventy-four patients with CCM but without cervical disc herniation, severe OPLL (in which the cervical canal is < 10 mm due to OPLL), or severe kyphotic deformity (> 15° of cervical kyphosis) who underwent surgery were initi

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Huang, H., R. W. Nightingale, and A. B. C. Dang. "Biomechanics of coupled motion in the cervical spine during simulated whiplash in patients with pre-existing cervical or lumbar spinal fusion." Bone & Joint Research 7, no. 1 (2018): 28–35. http://dx.doi.org/10.1302/2046-3758.71.bjr-2017-0100.r1.

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Objectives Loss of motion following spine segment fusion results in increased strain in the adjacent motion segments. However, to date, studies on the biomechanics of the cervical spine have not assessed the role of coupled motions in the lumbar spine. Accordingly, we investigated the biomechanics of the cervical spine following cervical fusion and lumbar fusion during simulated whiplash using a whole-human finite element (FE) model to simulate coupled motions of the spine. Methods A previously validated FE model of the human body in the driver-occupant position was used to investigate cervica

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Odate, Seiichi, Jitsuhiko Shikata, Tsunemitsu Soeda, Satoru Yamamura, and Shinji Kawaguchi. "Surgical results and complications of anterior decompression and fusion as a revision surgery after initial posterior surgery for cervical myelopathy due to ossification of the posterior longitudinal ligament." Journal of Neurosurgery: Spine 26, no. 4 (2017): 466–73. http://dx.doi.org/10.3171/2016.9.spine16430.

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OBJECTIVE Ossification of the posterior longitudinal ligament (OPLL) is a progressive disease. An anterior cervical decompression and fusion (ACDF) procedure for cervical OPLL is theoretically feasible, as the lesion exists anteriorly; however, such a procedure is considered technically demanding and is associated with serious complications. Cervical laminoplasty is reportedly an effective alternative procedure with few complications; it is recognized as a comparatively safe procedure, and has been widely used as an initial surgery for cervical OPLL. After posterior surgery, some patients requ

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Leveque, Jean-Christophe, Vijay Yanamadala, Quinlan D. Buchlak, and Rajiv K. Sethi. "Correction of severe spinopelvic mismatch: decreased blood loss with lateral hyperlordotic interbody grafts as compared with pedicle subtraction osteotomy." Neurosurgical Focus 43, no. 2 (2017): E15. http://dx.doi.org/10.3171/2017.5.focus17195.

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OBJECTIVEPedicle subtraction osteotomy (PSO) provides extensive correction in patients with fixed sagittal plane imbalance but is associated with high estimated blood loss (EBL). Anterior column realignment (ACR) with lateral graft placement and sectioning of the anterior longitudinal ligament allows restoration of lumbar lordosis (LL). The authors compare peri- and postoperative measures in 2 groups of patients undergoing correction of a sagittal plane imbalance, either through PSO or the use of lateral lumbar fusion and ACR with hyperlordotic (20°–30°) interbody cages, with stabilization thr

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Zhao, Shi-zhou, Bang-ping Qian, Ji-chen Huang, Mu Qiao, Bin Wang, and Yong Qiu. "Variation patterns of cervical alignment in ankylosing spondylitis–related thoracolumbar kyphosis following pedicle subtraction osteotomy in the sitting position: an EOS-based investigation." Journal of Neurosurgery: Spine 35, no. 2 (2021): 211–18. http://dx.doi.org/10.3171/2020.11.spine201420.

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OBJECTIVE Both unchanged upper cervical lordosis combined with decreased lower cervical lordosis and decreased upper cervical lordosis combined with decreased lower cervical lordosis have been reported to occur after correction surgery for adult spinal deformity. However, variations in cervical alignment after correction surgery in patients with ankylosing spondylitis (AS) have not been investigated. The current study aimed to investigate the variations in cervical alignment following the correction surgery in AS patients with thoracolumbar kyphosis. METHODS Patients with AS who underwent pedi

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Kadam, Rahul, Vishal Bauva, Krutarth Shah, and Sunil Yadav. "Atlanto-axial subluxation with cervical myelopathy operated with occipital C2 fusion: A case report." Journal of Medical Research and Innovation 1, no. 1 (2017): 4–7. https://doi.org/10.5281/zenodo.321969.

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<strong>ABSTRACT</strong> Atlanto-axial subluxation with cervical myelopathy is a rare condition that can occur mainly by trauma followed by Rheumatoid arthritis, Grisel syndrome, Down’s syndrome and various other metabolic disorders. It is characterized by excessive movement of atlas (C1) over axis (C2) either by bony or ligamentous abnormality. Due to its laxity the spinal cord may get damaged and cause neurologic symptoms. Reduction and fixation is needed for such instability. <strong>KEYWORDS</strong>: C1-C2 subluxation, Cervical myelopathy, Occipital C2 fusion. <strong>INTRODUCTION</stron

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Francisco, Casesnoves. "Computational-Reumathological Cad Clinical Diagnosis with Lumbar Vertebral Cadaveric Specimens and Spine Sub-Units Mathematical Modeling. Part III." International Journal of Mathematics and Computer Research 13, no. 05 (2025): 5193–204. https://doi.org/10.5281/zenodo.15423970.

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Continuing this biomechanical research line, and based on previous series, a subsequent reumathologically-directed clinical study with 3D-CAD imaging-processing was done. In this part with GNU Octave and Matlab programming—comparing both. The lumbar cadaveric specimen is a different one related to previous publications specimens of bioengineering laboratory. The objective of the research is the clinical finding of lumbar spine degeneration signs, arthrosis, osteoarthritis, deformations, and disk herniations. The software method is presented in series of 3D-CAD lumbar vertebral imaging pr

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Godzik, Jakub, Bernardo de Andrada Pereira, Courtney Hemphill, et al. "Minimally Invasive Anterior Longitudinal Ligament Release for Anterior Column Realignment." Global Spine Journal 10, no. 2_suppl (2020): 101S—110S. http://dx.doi.org/10.1177/2192568219880178.

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Study Design: Review of the literature. Objectives: Anterior column realignment (ACR) is a powerful but relatively new minimally invasive technique for deformity correction. The purpose of this study is to provide a literature review of the ACR surgical technique, reported outcomes, and future directions. Methods: A review of the literature was performed regarding the ACR technique. A review of patients at our single center who underwent ACR was performed, with illustrative cases selected to demonstrate basic and nuanced aspects of the technique. Results: Clinical and cadaveric studies report

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Min, Jun-Hong, Byung-Joo Jung, Jee-Soo Jang, Seok-Kang Kim, Dae-Jin Jung, and Sang-Ho Lee. "Spinal cord herniation after multilevel anterior cervical corpectomy and fusion for ossification of the posterior longitudinal ligament of the cervical spine." Journal of Neurosurgery: Spine 10, no. 3 (2009): 240–43. http://dx.doi.org/10.3171/2008.12.spine08422.

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The authors report the case of a 52-year-old man who had undergone resection of an ossified posterior longitudinal ligament via the anterior approach. The patient experienced postoperative neurological deterioration that may have been caused by a massive cord herniation associated with a dural defect at the corpectomy site. Spinal cord herniation may develop as a complication of anterior cervical decompression. Surgeons should be alert to this condition when planning to treat cervical ossification of the ossified posterior longitudinal ligament via the anterior approach.

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Matsumoto, Koji, Hiroshi Uei, and Yasuaki Tokuhashi. "Progressive diffuse idiopathic spinal hyperostosis: a case report." Journal of International Medical Research 47, no. 8 (2019): 3955–62. http://dx.doi.org/10.1177/0300060519861451.

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Diffuse idiopathic spinal hyperostosis (DISH) causes various problems, such as adjacent disc dysfunction, pseudarthrosis, or reossification, when spinal surgery is performed or spinal fracture occurs. The authors herein describe a patient with DISH in whom ossification of the anterior longitudinal ligament progressively advanced from the thoracic to sacral vertebrae during a 14-year period. Surgery was performed three times to treat the characteristic problems associated with DISH: abnormal sagittal alignment of the spine, ossification of the posterior longitudinal ligament, reossification of

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Beckman, Joshua M., Nicola Marengo, Gisela Murray, Konrad Bach, and Juan S. Uribe. "Anterior Longitudinal Ligament Release From the Minimally Invasive Lateral Retroperitoneal Transpsoas Approach: Technical Note." Operative Neurosurgery 12, no. 3 (2016): 214–21. http://dx.doi.org/10.1227/neu.0000000000001203.

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Abstract BACKGROUND The technique for minimally invasive anterior longitudinal ligament release is a major advancement in lateral access surgery. This method provides hypermobility of lumbar segments to allow for aggressive lordosis restoration while maintaining the benefits of indirect decompression and minimally invasive access. OBJECTIVE To provide video demonstration of the lateral retroperitoneal transpsoas approach with anterior longitudinal ligament sectioning. METHODS A detailed surgical technique of the minimally invasive anterior column release is described and illustrated in an elde

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