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Tytuł pozycji:

Do acute inflammatory cytokines affect 3- and 12-month postoperative functional outcomes–a prospective cohort study of 12 patients with proximal tibia fractures.

Tytuł :
Do acute inflammatory cytokines affect 3- and 12-month postoperative functional outcomes–a prospective cohort study of 12 patients with proximal tibia fractures.
Autorzy :
Iversen, Imran Jamal
Pham, That Minh
Schmal, Hagen
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Źródło :
BMC Musculoskeletal Disorders; 4/12/2021, Vol. 22 Issue 1, p1-11, 11p
Czasopismo naukowe
Background: Patients with intra-articular fractures tend to develop post-traumatic osteoarthritis (PTOA). The initial inflammatory response with elevation of inflammatory cytokines following joint trauma might be responsible for triggering cartilage catabolism and degradation. We aimed to identify and quantify cytokine levels in fractured and healthy knee joints and the correlation of these cytokines with clinical outcomes. Methods: In this prospective cohort study, synovial fluid and plasma were collected from 12 patients with proximal intra-articular tibia fractures before surgery. The concentration of sixteen inflammatory cytokines, two cartilage degradation products and four metabolic mediators where measured, comparing the acute injured knee with the healthy contralateral knee. Patients were evaluated 3- and 12-months after surgery with clinical parameters and radiographical scanning. Non-parametrical Wilcoxon rank-sum and Spearman tests were used for statistical analysis, and a P-value below 0.05 was considered significant. Results: We found an elevation of the pro-inflammatory cytokines IL-1β, IL-2, IL-6, IL-8, IL-12p70, TNF-α, IFN-y, MMP-1, MMP-3, and MMP-9 and a simultaneous elevation of the anti-inflammatory cytokines IL-1RA, IL-4, IL-10, and IL-13 in the injured knee. Several pro- and anti-inflammatory cytokines and metabolic mediators were correlated with clinical outcomes 12 months after surgery, especially with pain perception. Conclusions: Our results support that an inflammatory process occurs after intra-articular knee fractures, which is characterized by the elevation of both pro- and anti-inflammatory cytokines. There was no sign of cartilage damage within the timeframe from injury to operation. We found a correlation between the initial inflammatory reaction with clinical outcomes 12 months after surgery. [ABSTRACT FROM AUTHOR]
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