The investigators aim to study the population pharmacokinetics of children receiving the anti-infective drugs for treatment of infectious disease in central nervous system.In this study, the investigators will detect drug concentration in plasma by using residual blood samples of blood gas analysis and other clinical tests and employ computers for constructing population pharmacokinetic models.
The investigators aim to study the population pharmacokinetics of children receiving the anti-infective drugs for treatment of infectious disease in central nervous system.