Posterior Cervical Keyhole Laminoforaminotomy: A Cadaveric Comparative Study to Evaluate Limits of Bony Resection

Bayoumi, Ahmed B.; Berk, Selim; Efe, Ibrahim E.; Bas, Elif Gulsah; Duran, Melissa; Yigit, Tolga; Erden, Agin; Kristal, Bruce S.; Kılıç, Türker; Konya, Deniz; Toktaş, Zafer Orkun

doi:10.1093/ons/opy230

Cited by 2 publications

(1 citation statement)

References 7 publications

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“…Foraminal or extra-foraminal stenosis and disc extrusion are risk factors for facet joint violation; therefore, ACF is widely accepted as a standard treatment option for such cases 17) . However, massive facet violation during PCF can be avoided by widening the vertical width during foraminotomy with inferior lamina resection, making PCF a viable option for these types of pathologies 2) . To evaluate the feasibility of this approach, the study population was divided into two groups, namely the paracentral (group P) and foraminal (group F), based on the location of the pathology and the clinical and radiologic outcomes in the two groups were compared.…”

Section: Introductionmentioning

confidence: 99%

Feasibility of Posterior Cervical Foraminotomy for Adjacent Segmental Disease after Anterior Cervical Fusion

Kim

Kang

Lee

et al. 2020

J Korean Neurosurg Soc

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The aim of this study is to evaluate the feasibility of posterior cervical foraminotomy (PCF) for adjacent segmental disease (ASD) after anterior cervical fusion (ACF). As ACF is accepted as the standard treatment for cervical spondylosis, many studies have been conducted to evaluate the efficacy of various surgical techniques to overcome symptomatic ASD after the previous surgery. Herein, PCF was performed for the treatment of symptomatic ASD and the feasibility of the surgery was evaluated. Methods : Forty nine patients who underwent PCF due to symptomatic ASD from August 2008 to November 2017 were identified. For demographic and perioperative data, the sex, age, types of previous surgery, ASD levels, operation times, and bleeding amount were recorded. The clinical outcome was assessed using the visual analogue scale for the neck and arm, the modified Odom's criteria as well as neck disability index. Radiologic evaluations were performed by measuring disc softness, disc height, the cervical 2-7 sagittal vertical axis, cervical cobb angle, and facet violation. Results : Thirty-seven patients were enrolled in this study. The patients were divided into two groups based on the location of the pathology; paracentral (group P) or foramina (group F). Both groups showed significant clinical improvement (p<0.05). The proportion of calcified disc and facet violations was significantly larger in group F (p<0.05). The minimal disc height decrease with mild improvement on sagittal alignment and cervical lordosis was radiologically measured without statistical significance in both groups (p>0.05). Conclusion : PCF showed satisfactory clinical and radiologic outcomes for both paracentral and foraminal pathologies of ASD after ACF. Complications related to anterior revision were also avoided. PCF can be considered a feasible and safe surgical option for ASD after ACF.

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Section: Introductionmentioning

confidence: 99%

Feasibility of Posterior Cervical Foraminotomy for Adjacent Segmental Disease after Anterior Cervical Fusion

Kim

Kang

Lee

et al. 2020

J Korean Neurosurg Soc

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Commentary: Posterior Cervical Keyhole Laminoforaminotomy: A Cadaveric Comparative Study to Evaluate Limits of Bony Resection

Joaquim

Figueiredo

2019

ONSURG

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Posterior Cervical Keyhole Laminoforaminotomy: A Cadaveric Comparative Study to Evaluate Limits of Bony Resection

Abstract: Large KH defects involving both upper and lower laminae and facets can expose the roots to greater extent than small KH defects at C3-4, C5-6, and C6-7 levels. Large KH defects may allow better exposure of nerve roots axillae than small KH defects.

Cited by 2 publications

References 7 publications

Feasibility of Posterior Cervical Foraminotomy for Adjacent Segmental Disease after Anterior Cervical Fusion

Feasibility of Posterior Cervical Foraminotomy for Adjacent Segmental Disease after Anterior Cervical Fusion

Commentary: Posterior Cervical Keyhole Laminoforaminotomy: A Cadaveric Comparative Study to Evaluate Limits of Bony Resection

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