Parameters of macrophage reaction and humoral immunity in patients with implant-associated in-flammation after primary endoprosthetics of knee joint
Journal: I.P. Pavlov Russian Medical Biological Herald (Vol.28, No. 4)Publication Date: 2020-12-30
Authors : Galashina E.A. Gladkova E.V. Blinnikova V. Shpinyak S.P. Ulyanov V.;
Page : 421-428
Keywords : knee joint; primary endoprosthetics; macrophage reaction; humoral immunity; implant-associated inflammation;
Abstract
Aim. To study peculiarities of macrophage reaction and humoral immunity in patients with signs of implant-associated inflammation after the primary endoprosthetics of the knee joint. Materials and Methods. Examination of 48 patients with signs of implant-associated inflammation after the primary endoprosthetics of the knee joints (the main group) and of 44 patients without signs of inflammatory reactions (comparison group) was carried out. Control group involved 30 healthy donors without diseases of the musculoskeletal system. Results. In 1 and 12 months after the surgery, patients of the main group showed elevated levels of the factor inhibiting migration of macrophages (MIF), of macrophage stimulating protein (MSP), class A immunoglobulins (IgA), С3 and С4 complement components as compared to control, and also to each previous period. In 1 month after the surgery, the content of class M and G immunoglobulins (IgM and IgG) decreased relative to control; in 12 months after the surgery a more pronounced reduction was noted. Increase in serum concentrations of MIF, MSP, IgA, С3 and С4-complement components was noted in the comparison group in 1 and 12 months and also in comparison with the previous period. Reduction of the levels of IgM, IgG in 1 and 12 months after the operation was noted in comparison with control and with the previous period. Conclusion. A study of parameters of macrophage reaction, proteins of complement system and the main classes of immunoglobulins permits to identify signs of implant-associated inflammation in 1 and 12 months after surgery, and, consequently, to determine patients of risk groups that require additional diagnostics measures.
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