Lower Respiratory Tract infections are a common cause of admission to the intensive care unit. Children routinely receive antibiotics until the tests confirm whether the infection is bacterial or viral. The exclusion of bacterial infection may take 48 hours or longer for culture tests on biological samples to be completed. In many cases, the results may be inconclusive or negative if the patient has already received antibiotics prior to the sample being taken. A rapid assay to detect the most likely cause of infection could improve the speed with which antibiotic therapy is rationalised or curtailed. This study aims to assess whether a new genetic testing kit which can identify the presence of bacteria and viruses within hours rather than days is a feasible tool in improving antibiotic prescribing and rationalisation of therapy in critically ill children with suspected lower respiratory tract infection.
Study Type
OBSERVATIONAL
Enrollment
250
Rapid assays for pathogen detection on bronchoalveolar lavage fluid
Addenbrooke's Hospital
Cambridge, Cambs, United Kingdom
RECRUITINGPerformance of the novel pathogen detection assay
Performance of novel pathogen detection assays compared to standard microbiology, in regard to sensitivity, specificity and likelihood ratios
Time frame: 3 years
Time to results
Time to reportable test results
Time frame: 3 years
Negative cultures
Where routine culture is negative, what proportion of tests have a positive detection using the novel assay?
Time frame: 3 years
Antibiotic therapy
Duration of therapy and number of antibiotic classes during paediatric intensive care unit admission
Time frame: 3 years
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