Performance of automated multiplex polymerase chain reaction (mPCR) using synovial fluid in the diagnosis of native joint septic arthritis in adults

التفاصيل البيبلوغرافية
العنوان: Performance of automated multiplex polymerase chain reaction (mPCR) using synovial fluid in the diagnosis of native joint septic arthritis in adults
المؤلفون: Sigmund, I. K., Holinka, J., Sevelda, F., Staats, K., Heisinger, S., Kubista, B., McNally, M. A., Windhager, R.
المصدر: The Bone & Joint Journal; March 2019, Vol. 101 Issue: 3 p288-296, 9p
مستخلص: AimsThis study aimed to assess the performance of an automated multiplex polymerase chain reaction (mPCR) technique for rapid diagnosis of native joint septic arthritisPatients and MethodsConsecutive patients with suspected septic arthritis undergoing aseptic diagnostic joint aspiration were included. The aspirate was used for analysis by mPCR and conventional microbiological analysis. A joint was classed as septic according to modified Newman criteria. Based on receiver operating characteristic (ROC) analysis, the area under the ROC curve (AUC) values of the mPCR and the synovial fluid culture were compared using the z-test. A total of 72 out of 76 consecutive patients (33 women, 39 men; mean age 64 years (22 to 92)) with suspected septic arthritis were included in this study.ResultsOf 72 patients, 42 (58%) were deemed to have septic joints. The sensitivity of mPCR and synovial fluid culture was 38% and 29%, respectively. No significant differences were found between the AUCs of both techniques (p = 0.138). A strong concordance of 89% (Cohen’s kappa: 0.65) was shown. The mPCR failed to detect Staphylococcus aureus(n = 1) and Streptococcus pneumoniae(n = 1; no primer included in the mPCR), whereas the synovial fluid culture missed six microorganisms (positive mPCR: S. aureus(n = 2), Cutibacterium acnes(n = 3), coagulase-negative staphylococci (n = 2)).ConclusionThe automated mPCR showed at least a similar performance to the synovial fluid culture (the current benchmark) in diagnosing septic arthritis, having the great advantage of a shorter turnaround time (within five hours).Cite this article: Bone Joint J2019;101-B:288–296.
قاعدة البيانات: Supplemental Index
الوصف
تدمد:20494394
20494408
DOI:10.1302/0301-620X.101B3.BJJ-2018-0868.R1