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Updated: May 22, 2026

Knee Arthrocentesis in Adults
Published on: February 25, 2022
Consensus in diagnostic definitions for bone or joint infections in children by a Delphi method with European
Ayoub Mitha1, Mohamed Boulyana, Valérie Hue
1University Lille-Nord de France, Lille, France.
Aim:
Various diagnostic criteria have been proposed for bone or joint infection. This study used a Delphi process to determine the consensual definitions for arthritis, osteomyelitis and bone or joint infections in general in children.
Methods:
A group of European French-speaking experts participated in an email Delphi process. Definitions were identified during a systematic search of the PubMed database. Five definitions of arthritis, eight for osteomyelitis and five for bone or joint infections in general were included in a three-round process. We sought two sorts of definitions: definitions for 'definitive' diagnoses for epidemiological studies and definitions for 'probable' diagnoses for clinical or therapeutic studies, considering enlarged criteria.
Results:
Ten experts were involved in the Delphi process. A consensus was reached for a definitive diagnosis of arthritis, osteomyelitis and bone or joint infections in general. A consensus was also reached for a probable diagnosis of bone or joint infections in general.
Conclusion:
This Delphi process made consensus definitions and criteria available for bone or joint infections that could improve the comparability of both epidemiological and clinical studies. This is a first step to standardise diagnostic criteria and distinguish definitive and probable bone or joint infections in children.
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