• Yen-Jen Chen, Hsien-Te Chen, and Horng-Chaung Hsu.
• Department of Orthopedic Surgery, China Medical University Hospital Taichung, Taiwan, No. 2, Yuh-Der Road, Taichung, 404, Taiwan. yenjenc.tw@yahoo.com.tw.
• J Orthop Surg Res. 2015 Sep 17; 10: 149.

BackgroundSurvival is a key factor physicians consider when selecting a treatment modality for the treatment of spinal metastases. Various assessment systems can predict length of survival and facilitate selection of the most appropriate treatment. Spinal palsy is a prognostic parameter in the Tokuhashi scoring system but not in the Tomita scoring system. A limitation of these scoring systems is that studies of them have included different tumor types. The aim of this study was to evaluate the usefulness of preoperative neurological status as a prognostic factor in non-small-cell lung cancer patients with spinal metastases who underwent surgical treatment.MethodsFrom November 2000 to March 2010, 50 patients with symptomatic metastatic spinal cord compression secondary to non-small-cell lung cancer underwent palliative surgery. Data collected included patient age and sex, tumor histology, date of surgery, death or last follow-up, preoperative and postoperative ambulatory status according to the Frankel grading system, body mass index (BMI), number of vertebra involved, number of other bone metastasis, visceral metastasis, and preoperative Karnofsky performance status. Log-rank test and multivariate Cox proportional hazard regressions were used to evaluate possible prognostic factors.ResultsThe mean patient age was 61.6 years (range, 20-87 years), and 34 were male and 16 were female. The median postoperative survival time was 7.5 months. The median survival was 2.5 months (95% confidence interval (CI): 1.22-16.3 months) in the Frankel A + B group and 8.0 months (95% CI: 5.52-9.89 months) in the Frankel C + D group (p = 0.87). Multivariate Cox proportional hazard regressions showed that preoperative performance status was significantly associated with survival. Preoperative palsy score had no statistically significant association with survival.ConclusionsPreoperative palsy score had no statistically significant association with survival in non-small-cell lung cancer patients with spinal metastases who underwent spinal surgery in this study.

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