Abstract
Summary. Background. The assessment of adaptive abilities of blood clotting system using thrombin generation assay (TGA) in revision knee replacement patients is a promising issue for researching. Objectives: to assess pre-surgical condition of blood clotting system using TGA in patients admitted for revision knee replacement due to prosthesis aseptic instability or peripros- thetic infection. Patients/Methods. Patients with progressing inflammatory complications admitted for revision knee replacement were divided into two groups: 28 patients with aseptic inflammation and 24 patients with infectious inflammation. Based on TGA findings these groups were divided into subgroups: patients with adequate reaction and those with expressed hemostasis reactions (total of four groups). Plasma hemostasis was assessed by screening coagulogram tests. Inflammation severity was assessed by C-reactive protein (CRP) and fibrinogen levels. Results. It has been demonstrated that patients of these four groups had different adaptive abilities of their blood clotting systems. The most threatened patents for thrombohemorrhagic compli- cations were found in groups 3 and 4 with their responses of thrombin generation process being paradoxical. The impact of inflammation on hypercoagulable syndrome in patients of group 4 proved correlations between TGA and CRP. Conclusions. Analysis of the data obtained revealed the diversity of adaptive abilities of hemostasis in patients with inflammation compli- cations after total knee replacement.
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