white blood cells (WBC) + c-reactive protein (CRP) + serum amyloid A (serum amyloid A, SAA), the SAA test proposed by many famous pediatricians according to their clinical value, has been widely used and recognized in the diagnosis of infant infection.The results showed that the total positive rate of SAA was 8.54% higher than CRP.Combined SAA and CRP testing can more accurately diagnose the types of infection and monitor the course of infectious diseases.
SAA normal CRP was normal | SAA normal Elevated CRP | SAA increased CRP was normal | SAA increased Elevated CRP |
Consider non infectious factors | The disease is improving | Consider virus infection | Consider bacterial infection |
Continue treatment or continuously monitor SAA and CRP until normal according to clinical symptoms. | Continue treatment according to clinical symptoms or continue to monitor SAA, CRP until normal | Antiviral therapy; monitor SAA and CRP until normal or altered treatment regimen is considered. | Antibiotic therapy, monitoring of SAA, CRP returning to normal, or considering changing the treatment regimen |
Laboratory, infection, fever clinic, pediatrics, cardiology, organ transplantation, etc