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Comparison of surgical outcomes after cervical laminoplasty: open-door technique versus French-door technique.
J Spinal Disord Tech. 2013 Aug; 26(6):E198-203.JS

Abstract

STUDY DESIGN

A retrospective case series.

OBJECTIVE

To compare the surgical outcomes of open-door and French-door cervical laminoplasty for decompressing multilevel cervical spinal cord compressions.

SUMMARY OF BACKGROUND DATA

Cervical laminoplasty is an effective method for decompressing multilevel cervical spinal cord compressions. Laminoplasty is usually classified as an open-door or French-door technique, but it is still unclear whether laminoplasty affects cervical alignment and clinical outcomes.

METHODS

Fifty-one patients underwent cervical laminoplasty over a 2-year period for cervical spondylotic myelopathy, ossification of the posterior longitudinal ligament, or for a mixed-type condition. The following criteria were evaluated and compared retrospectively for open-door laminoplasty (group A) and French-door laminoplasty (group B): Nurick grades, Japanese Orthopedic Association (JOA) scores, neck disability index, and visual analog scale scores for axial neck pain and radiating pain. During radiologic evaluations, changes in cervical lordotic angles and range of motion were measured at C2-C7.

RESULTS

Postoperatively, radiating pain improved significantly in both groups (P<0.05), but axial neck pain was more severe in both groups at last follow-up than preoperatively (P>0.05). Mean neurological improvement was 12.5% according to Nurick grades and 28% according to JOA scores in all study subjects. In particular, the mean Nurick grades showed significant improvement in group A (P<0.05), and the recovery rate was higher in group A than in group B according to Nurick grades (23.5% vs. 6.3%; P<0.05) and JOA scores (44.4% vs. 13%; P<0.05). In contrast, radiologically, cervical lordotic angle and range of motion were more significantly decreased in group B (P<0.05).

CONCLUSIONS

Although open-door and French-door laminoplasty techniques were found to be effective for treating cervical compressive myelopathy, the open-door technique seems to be superior with respect to clinical and radiologic outcomes.

Authors+Show Affiliations

Department of Neurosurgery, Spine Center, Samsung Medical Center, Sungkyunkwan University, School of Medicine, Seoul, South Korea.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

23511650

Citation

Lee, Dong-Geun, et al. "Comparison of Surgical Outcomes After Cervical Laminoplasty: Open-door Technique Versus French-door Technique." Journal of Spinal Disorders & Techniques, vol. 26, no. 6, 2013, pp. E198-203.
Lee DG, Lee SH, Park SJ, et al. Comparison of surgical outcomes after cervical laminoplasty: open-door technique versus French-door technique. J Spinal Disord Tech. 2013;26(6):E198-203.
Lee, D. G., Lee, S. H., Park, S. J., Kim, E. S., Chung, S. S., Lee, C. S., & Eoh, W. (2013). Comparison of surgical outcomes after cervical laminoplasty: open-door technique versus French-door technique. Journal of Spinal Disorders & Techniques, 26(6), E198-203. https://doi.org/10.1097/BSD.0b013e31828bb296
Lee DG, et al. Comparison of Surgical Outcomes After Cervical Laminoplasty: Open-door Technique Versus French-door Technique. J Spinal Disord Tech. 2013;26(6):E198-203. PubMed PMID: 23511650.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Comparison of surgical outcomes after cervical laminoplasty: open-door technique versus French-door technique. AU - Lee,Dong-Geun, AU - Lee,Sun-Ho, AU - Park,Se-Jun, AU - Kim,Eun-Sang, AU - Chung,Sung-Soo, AU - Lee,Chong-Suh, AU - Eoh,Whan, PY - 2013/3/21/entrez PY - 2013/3/21/pubmed PY - 2014/3/7/medline SP - E198 EP - 203 JF - Journal of spinal disorders & techniques JO - J Spinal Disord Tech VL - 26 IS - 6 N2 - STUDY DESIGN: A retrospective case series. OBJECTIVE: To compare the surgical outcomes of open-door and French-door cervical laminoplasty for decompressing multilevel cervical spinal cord compressions. SUMMARY OF BACKGROUND DATA: Cervical laminoplasty is an effective method for decompressing multilevel cervical spinal cord compressions. Laminoplasty is usually classified as an open-door or French-door technique, but it is still unclear whether laminoplasty affects cervical alignment and clinical outcomes. METHODS: Fifty-one patients underwent cervical laminoplasty over a 2-year period for cervical spondylotic myelopathy, ossification of the posterior longitudinal ligament, or for a mixed-type condition. The following criteria were evaluated and compared retrospectively for open-door laminoplasty (group A) and French-door laminoplasty (group B): Nurick grades, Japanese Orthopedic Association (JOA) scores, neck disability index, and visual analog scale scores for axial neck pain and radiating pain. During radiologic evaluations, changes in cervical lordotic angles and range of motion were measured at C2-C7. RESULTS: Postoperatively, radiating pain improved significantly in both groups (P<0.05), but axial neck pain was more severe in both groups at last follow-up than preoperatively (P>0.05). Mean neurological improvement was 12.5% according to Nurick grades and 28% according to JOA scores in all study subjects. In particular, the mean Nurick grades showed significant improvement in group A (P<0.05), and the recovery rate was higher in group A than in group B according to Nurick grades (23.5% vs. 6.3%; P<0.05) and JOA scores (44.4% vs. 13%; P<0.05). In contrast, radiologically, cervical lordotic angle and range of motion were more significantly decreased in group B (P<0.05). CONCLUSIONS: Although open-door and French-door laminoplasty techniques were found to be effective for treating cervical compressive myelopathy, the open-door technique seems to be superior with respect to clinical and radiologic outcomes. SN - 1539-2465 UR - https://www.unboundmedicine.com/medline/citation/23511650/Comparison_of_surgical_outcomes_after_cervical_laminoplasty:_open_door_technique_versus_French_door_technique_ L2 - http://dx.doi.org/10.1097/BSD.0b013e31828bb296 DB - PRIME DP - Unbound Medicine ER -