Алгоритм первого этапа лечения поздней глубокой перипротезной инфекции тазобедренного сустава
2018
Background . Periprosthetic infection after total hip arthroplasty is a relatively common and severe complication. A two-stage revision with the temporary use of a spacer is the gold standard treatment for the deep infected total hip arthroplasty. Some authors report mechanical complications associated with spacers, which can lead to a poor functional outcome. Therefore, the aim of the study was to analyze the effectiveness of the first-stage of treatment of hip PJI with a two-stage method and to develop an spacer application algorithm in order to achieve the optimal functional result. Material and Methods . Between 2015 and 2017, 38 patients with deep periprosthetic infection received an articulation spacer as part of a two-stage protocol in Botkin Moscow City Hospital. The mean age was 60.5 (interquartile range from 5 2 to 69) years. Five different types of spacers were us ed in the study, selected individually according to theW. Paprosky acetabular defects classification. The overall frequency of complications was evaluated. Results . The overall periprosthetic infection treatment effectiveness was 92.1%. There was the recurrent infection in 3 patients (7.9%), in 2 (5.26%) cases microbial associations were founded. Mechanical complications occurred in 8 (21%) patients. Spacer dislocation occurred in 4 (10.4%) cases, spacer fracture in another 2 (5.2%). There were also 2 cases of protrusion into the pelvis (5.2%). Conclusions. The first stage a two-stage revision hip arthroplasty should be carefully plarmed. To choose the appropriate spacer we proposed an algorithm based on our data to achieve a better functional result.
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