En Bloc Cervical Laminoplasty Utilizing Translaminar Screws (T-laminoplasty): Novel Process for Preserving Midline Ligamentous Buildings.
Clin Backbone Surg. 2016 Jul;29(6):E296-302
Authors: Lee SE, Jahng TA, Kim HJ
STUDY DESIGN: Prospectively maintained and retrospectively analyzed research.
OBJECTIVE: The authors have newly developed an en bloc cervical laminoplasty utilizing translaminar screws (T-laminoplasty) to protect the posterior midline constructions in order to take care of spinal stability and stop postoperative axial ache and deformity.
SUMMARY OF BACKGROUND DATA: Cervical laminoplasty is a well-liked surgical process for sufferers with multilevel compressive cervical lesions. Nevertheless, a number of studies have famous its limitations and shortcomings.
METHODS: After publicity of the posterior cervical backbone with preservation of the midline ligamentous construction, en bloc laminotomy was carried out and made a laminectomized block. Whereas the laminotomized block was being lifted, the translaminar trajectory from the lamina to the contralateral lateral mass was ready. Then a translaminar screw was inserted with suspension of the laminotomized block to develop the spinal canal, handed by the laminar spacer, and at last fastened within the contralateral lateral mass. Subsequent, one other screw was inserted into the adjoining section from the alternative aspect, and additional screw fixations had been made on this alternating method.
RESULTS: Twenty sufferers underwent T-laminoplasty and 83 segments had been operated upon. Scientific outcomes had been statistically improved in the course of the imply follow-up interval of 19.7 months. Radiologic outcomes of cervical lordosis and vary of movement had been preserved with the enlargement of the cross-sectional space of the spinal canal. As well as, no restenosis or laminar settlement was noticed on the final follow-up.
CONCLUSIONS: T-laminoplasty might be one of many surgical choices for multilevel compressive cervical lesions. With midline ligamentous constructions preserving the process, it was potential to get sufficient canal decompression and foraminal decompression, whereas acquiring good scientific and radiologic outcomes.
PMID: 27196135 [PubMed – indexed for MEDLINE]