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Predictors of Outcome in Patients with Cervical Spondylotic Myelopathy Undergoing Unilateral Open-Door Laminoplasty
Korean Journal of Spine ; : 261-266, 2015.
Artigo em Inglês | WPRIM | ID: wpr-124822
ABSTRACT

OBJECTIVE:

This study aimed to analyze prognostic factors affecting surgical outcomes of expansive laminoplasty for cervical spondylotic myelopathy (CSM).

METHODS:

Using the Frankel scale and Japanese Orthopaedic Association (JOA) scale, we retrospectively reviewed the outcomes of 45 consecutive patients who underwent modified unilateral open-door laminoplasty using hydroxyapatite spacers and malleable titanium miniplates between June 2008 and May 2014. The patients were assigned to the good and poor clinical outcome groups, with good outcome defined as a JOA recovery rate >75%.

RESULTS:

The mean preoperative JOA scale was significantly higher in the good outcome group (14.95+/-3.21 vs. 10.78+/-6.07, p<0.001), whereas the preoperative cervical range of motion (ROM) in this group was significantly lower (29.89degrees+/-10.11 vs. 44.35degrees+/- 8.88, p<0.001). In univariate analysis, a high preoperative JOA scale (odds ratio (OR) 1.271, 95% confidence interval (CI) 1.005-1.607) and low preoperative cervical ROM(OR 0.858, 95% CI 0.786-0.936) were statistically correlated with good outcomes. Furthermore, these factors demonstrated an independent association with clinical outcomes (preoperative JOA scale OR 1.344, 95% CI 1.019-1.774, p=0.036; preoperative cervical ROM OR 0.860, 95% CI 0.788-0.940, p=0.001).

CONCLUSION:

In this study, a high preoperative JOA scale was associated with good clinical outcome after laminoplasty, whereas a higher preoperative cervical spine ROM was associated with poor clinical outcome. This may suggests that cervical mobility and preoperative neurological status affect clinical outcomes of laminoplasty.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Prognóstico / Doenças da Medula Espinal / Coluna Vertebral / Titânio / Estudos Retrospectivos / Amplitude de Movimento Articular / Ligamentos Longitudinais / Durapatita / Povo Asiático / Espondilose Tipo de estudo: Estudo observacional / Estudo prognóstico Limite: Humanos Idioma: Inglês Revista: Korean Journal of Spine Ano de publicação: 2015 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Prognóstico / Doenças da Medula Espinal / Coluna Vertebral / Titânio / Estudos Retrospectivos / Amplitude de Movimento Articular / Ligamentos Longitudinais / Durapatita / Povo Asiático / Espondilose Tipo de estudo: Estudo observacional / Estudo prognóstico Limite: Humanos Idioma: Inglês Revista: Korean Journal of Spine Ano de publicação: 2015 Tipo de documento: Artigo