Increased interleukin-6 and C-reactive protein levels after instrumented lumbar spine fusion in older patients
Repo, J. P., Häkkinen, A., Porkka, T., Häkkinen, K., Kautiainen, H., Kyrölä, K., & Neva, M. H. (2019). Increased interleukin-6 and C-reactive protein levels after instrumented lumbar spine fusion in older patients. Journal of Orthopaedic Surgery, 27(1), 1-6. https://doi.org/10.1177/2309499019826406
Published inJournal of Orthopaedic Surgery
DisciplineFysioterapiaValmennus- ja testausoppiPhysiotherapyScience of Sport Coaching and Fitness Testing
© Authors, 2019
Purpose: Interleukin 6 (IL-6) and the acute phase C-reactive protein (CRP) blood concentrations after lumbar spine fusion may be affected by age. The purpose of this prospective observational study was to assess postoperative serum levels of pro-inflammatory IL-6 and CRP after instrumented lumbar spine fusion surgery. We hypothesized that older patients would have increased levels of IL-6 and CRP after surgery. Methods: IL-6 and high-sensitive CRP biochemical marker levels were measured before instrumented spinal fusion, and postoperatively at 1 and 3 days, 6 weeks, and 3 months. The 49 patients in this sample were divided into two groups: age ≤ 60 years (n = 23) and age > 60 years (n = 26). Results: Acute changes in IL-6 high-sensitivity and CRP from preoperative levels to postoperative day (POD) 1 increased with age. Mean (95% CI) difference between the age-groups in changes of IL-6 at PODs 1 and 3 was 45 pg/ml (10–83, p = 0.014) and 20 pg/ml (5–36, p = 0.021), respectively. Mean (95% CI) difference between groups in changes of CRP at PODs 1 and 3 was 9.6 mg/l (−3.5 to 22.7, p = 0.47) and 24.8 mg/l (−17 to 67, p = 0.33), respectively. Both groups had decreased IL-6 and CRP levels at 6 weeks after surgery compared to the preoperative level. Conclusions: Elevation of IL-6 and CRP is stronger in patients over 60 years old after instrumented lumbar spinal fusion. The CRP and IL-6 are sensitive markers for acute postoperative inflammation. Even high acute CRP values do not necessarily indicate postoperative infection. ...
PublisherSage Publications Ltd.
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