Improved Z-open door expensive laminoplasty for cervical ossification of the posterior longitudinal ligament
- VernacularTitle:改良Z型椎管扩大成形术治疗颈椎后纵韧带骨化症
- Author:
Hu YUAN
;
Jiliang CHEN
;
Guangbin ZHENG
- Publication Type:Journal Article
- Keywords:
cervical spine;
ossification of posterior longitudinal ligaments;
Z-open door expansive laminoplasty
- From:
Orthopedic Journal of China
2006;0(07):-
- CountryChina
- Language:Chinese
-
Abstract:
[Objective]To investigate the effects of the expansive Z-open-door laminoplasty for the ossification of posterior longitudinal ligaments(OPLL).[Methods]Thirty-six cases of OPLL were operated by the expansive Z-open-door laminoplasty.According to JOA score(17 Points) the proximate effects of all patients were analyzed.[Results]All cases were followed-up for average 18.6 months.JOA improved from 8.3 preoperatively to 13.8 postoperatively.Improved rate averaged 58.6%.Image show:3 of 31cases of anterior protruding type were changed to straight type,5 cases of straight type still kept initial type.None of all cases changed into posterior protruding type after operation.The flexion and extention range of the neck were less 1/3 and the axis-ward pain happened commonly.[Conclusion]Improved expensive Z-open door laminoplasty for DPLL can decompression clearly.It has advantages of adeguate canal expansion,preventing re-dosing the door,and being safe and reliable.
