Rapid Diagnostic Test for Septic Arthritis

Overview

Diagnostic Validation Study of a Test Based on the Analysis of the Proteome by Mass Spectrometry for the Diagnosis of Septic Arthritis in Children Under 16 Years of Age

Arthritis is an inflammation of the joints that can have many causes. In children, septic arthritis (SA) is the most common cause of acute arthritis (around 45% of cases). Juvenile Idiopathic Arthritis (JIA) is a disease characterized the presence of arthritis in one or more of unknown origin in children under 16 years of age, lasting more than 6 weeks. It is the most common pediatric rheumatological disease with a prevalence of 16 to 150 cases per 100,000 children. Finally, in approximately 40% of children the origin of acute arthritis remains undetermined (ND arthritis). In this group, all the examinations performed are not in favor of a bacterial origin and the evolution of arthritis do not allow the diagnosis of JIA to be retained and no other disease is found. During the first few days of arthritis, differentiation between AS and non-septic arthritis is difficult. The available clinical and biological parameters do not allow for easy and rapid differentiation between AS and non-septic arthritis. This project aims to develop a new diagnostic technique based on molecular analysis of the proteome in the joint puncture fluid.

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Outcomes