Risk Factors of Cage Subsidence after Posterior Lumbar Interbody Fusion
Journal of Korean Society of Spine Surgery
;
: 100-107, 2016.
Artigo
em Coreano
| WPRIM
| ID: wpr-219357
ABSTRACT
STUDY DESIGN:
Retrospective study.OBJECTIVES:
The purpose of this study was to evaluate risk factors for subsidence after posterior lumbar interbody fusion (PLIF). SUMMARY OF LITERATURE REVIEW Body mass index (BMI), bone mineral density (BMD), cage characteristics (titanium or poly-ether-ether-ketone (PEEK)) and degree of disc distraction are risk factors for cage subsidence after PLIF. MATERIALS ANDMETHODS:
From January 2010 to January 2015, a total of 69 patients (93 segments) who were diagnosed with degenerative lumbar spine disease at the current authors' institution and underwent follow-up for at least 1 year were included in this retrospective study. Data on all factors related to cage subsidence were taken into consideration. The degree of association for each of the factors was determined through the calculation of odds ratios (ORs) with a 95% confidence interval. Logistic regression analyses were performed. The P-value that represented statistical significance was set below 0.05.RESULTS:
There were no significant associations between fused segment level and cage subsidence (p=0.588), nor were there any significant associations between the kind of cage (titanium or PEEK) and cage subsidence (p=0.371). Using logistic regression, the factors with a P-value below the 0.20 level in univariate analyses were included in the multivariate analyses. In multivariate analyses, diabetes mellitus (DM) (p=0.029, OR, 4.524), osteoporosis (p=0.026, OR, 6.046), and degree of disc distraction (p=0.010, OR, 1.446) had significant associations with cage subsidence. In addition, there were significant associations between cage subsidence and instrument failure (p=0.008, OR, 8.235).CONCLUSIONS:
DM and osteoporosis, which may affect bony structures, have significant associations with cage subsidence after PLIF. Cage insertion with excessive disc distraction during surgery may also affect cage subsidence after PLIF.
Texto completo:
DisponíveL
Índice:
WPRIM (Pacífico Ocidental)
Assunto principal:
Osteoporose
/
Coluna Vertebral
/
Índice de Massa Corporal
/
Densidade Óssea
/
Modelos Logísticos
/
Razão de Chances
/
Análise Multivariada
/
Estudos Retrospectivos
/
Fatores de Risco
/
Seguimentos
Tipo de estudo:
Estudo de etiologia
/
Estudo observacional
/
Estudo prognóstico
/
Fatores de risco
Limite:
Humanos
Idioma:
Coreano
Revista:
Journal of Korean Society of Spine Surgery
Ano de publicação:
2016
Tipo de documento:
Artigo
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