ANALYSIS OF TISSUE BIOPSY AND JOINT ASPIRATION IN THE DIAGNOSIS OF PERIPROSTHETIC HIP INFECTIONS: CROSS-SECTIONAL STUDY

To evaluate sensitivity, specificity, accuracy, positive predictive value, and negative predictive value of preoperative joint aspiration (PJA) and periarticular tissue percutaneous biopsy (PTPB), as well as their combination, in the diagnosis of infection after total hip arthroplasty. This cross-se...

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Bibliographic Details
Published in:Acta ortopedica brasileira 2021-09, Vol.29 (5), p.242-245
Main Authors: Andreolla, Elton, Fernandes, Marco Bernardo Cury, Lima, Carla Ormundo Gonçalves Ximenes, Saraiva, Augusto Carlos Maciel
Format: Article
Language:English
Subjects:
Diagnosis
Hip Arthroplasty
Infection
Injections, Intra-Articular
Liquid Biopsy
Original
ORTHOPEDICS
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Summary:To evaluate sensitivity, specificity, accuracy, positive predictive value, and negative predictive value of preoperative joint aspiration (PJA) and periarticular tissue percutaneous biopsy (PTPB), as well as their combination, in the diagnosis of infection after total hip arthroplasty. This cross-sectional study (Level of Evidence II) was conducted with prospective data on 29 patients submitted to PJA with PTPB at the National Institute of Orthopedics and Traumatology from September 2015 to January 2016. Specimens obtained during the procedures underwent microbiological analyses, and the results were compared with those obtained in subsequent revision arthroplasty surgeries. PJA, PTPB, and their combination reached values of 78%, 73%, 89% for sensitivity, respectively; 72%, 90%, 94% for specificity; and 76%, 80%, 90% for accuracy. PJA combined with PTPB was sensitive, specific, and effective in diagnosing periprosthetic hip infection. .
ISSN:1413-7852
1809-4406
1809-4406
DOI:10.1590/1413-785220212905241752