Analysis of Influencing Factors and Security on the Plasma Concentration of Anti-tuberculosis Drugs in Children
OBJECTIVE To monitor plasma concentration of anti-tuberculosis drugs in children,and explore the influencing factors and safety of anti-tuberculosis drugs,and promote the rational use of drugs.METHODS The plasma drug concentration monitoring results of isoniazid,rifampicin,pyrazinamide and ethambutol,the adverse drug reactions and the changes of various parameters before and after treatment in 40 children with tuberculosis were analyzed retrospectively in Zhejiang Hospital of Integrated Tradtional Chinese and Western Medicine.RESULTS The compliance rates of plasma drug concentration of isoniazid,rifampicin,pyrazinamide and ethambutol in chlidren with tuberculosis were 48.15％,34.88％,73.81％,18.52％,respectively.Isoniazid(P=0.025 0),rifampicin(P=0.021 2)concentrations were positively correlated with daily dose.Age was also one of the factors affecting the concentrations of isoniazid(P=0.043 0)andrifampicin(P=0.005 7).Serum albumin(P=0.047 5)andsex(P=0.008 7)were correlated with rifampicin and pyrazinamide,respectively.Abnormal liver function(5/40,12.50％)and rash(4/40,10％)were the most common adverse drug reaction.Aspartate aminotransferase(AST),alanine aminotransferase(ALT)and uric acid levels increased after treatment with anti-tuberculosis drugs.CONCLUSION The plasma drug concentrations of isoniazid,rifampicin and ethambutol in children are low.The anti-tuberculosis drugs maybe related to the increase of AST,ALT and uric acid.Therefore,monitoring of serum drug concentration,renal fuction and liver function during anti-tuberculosis treatment is helpful to improve drug safety and implement individualized treatment.
childrenanti-tuberculosis drugstherapeutic drug monitoringsecurity analysis
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