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논문 기본 정보

자료유형
학술저널
저자정보
John D. Koerner (Hackensack University Medical Center) Dessislava Z. Markova (Thomas Jefferson University) Greg D. Schroeder (Thomas Jefferson University) Christopher L. Antonacci (Rothman Orthopaedic Institute) Joseph Mendelis (Thomas Jefferson University) Alexander R. Vaccaro (Thomas Jefferson University) D. Greg Anderson (Thomas Jefferson University) Chris K. Kepler (Thomas Jefferson University)
저널정보
대한척추신경외과학회 Neurospine 대한척추신경외과학회지 제17권 제1호
발행연도
2020.1
수록면
36 - 41 (6page)

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Objective: To determine if there is correlation between intradiscal levels of interleukin-6 (IL-6) and early outcome measures in patients undergoing lumbar fusion for painful disc degeneration. Methods: Intervertebral disc tissue was separated into annulus fibrosus/nucleus pulposus and cultured separately in vitro in serum-free medium (Opti-MEM). Conditioned media was collected after 48 hours. The concentration of IL-6 was quantified using enzyme-linked immunosorbent assay. Pearson correlation coefficients quantified relationships between IL-6 levels and pre- and postoperative visual analogue scale (VAS) back pain and Oswestry Disability Index (ODI), as well as change in VAS/ODI. Results: Sixteen discs were harvested from 9 patients undergoing anterior lumbar interbody fusion (mean age, 47.4 years; range, 21–70 years). Mean preoperative and 6-month postoperative VAS were 8.1 and 3.7, respectively. Mean preoperative and postoperative ODI were 56.2 and 25.6, respectively. There were significant positive correlations between IL-6 expression and postoperative VAS (ρ=0.38, p=0.048) and ODI (ρ=0.44, p=0.02). No significant correlations were found between intradiscal IL-6 expression and preoperative VAS (ρ=-0.12, p=0.54). Trends were seen associating IL-6 expression and change in VAS/ODI (ρ=-0.35 p=0.067; ρ=-0.34, p=0.08, respectively). A trend associated IL-6 and preoperative ODI (ρ=0.36, p=0.063). Conclusion: The direct association between IL-6 expression and VAS/ODI suggests patients with elevated intradiscal cytokine expression may have worse early outcomes than those with lower expression of IL-6 after surgery for symptomatic disc degeneration.

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