RESUMO
Objective To analyze the laboratory determination results of hand-foot-mouth disease(HFMD)and explore its sig-nificance.Methods Pharyngeal swab specimens were collected from 502 children with HFMD(severe case:104 cases and mild case:398 cases).Specific RNA of enterovirus primer(EV),enterovirus71 (EV71)and coxsackievirus A16(CA16)were detected by real-time fluorescence polymerase chain reaction(RT-PCR).Simultaneously,white blood cell (WBC),direct bilirubin(DBIL),alanine transarninase(ALT),creatine kinase MB isoenzyme(CK-MB)and lactic dehydrogenase (LDH )were determined,and the results were analyzed.Results Among the 502 children,384 cases were positive for EV,262 cases were positive for EV71,and 39 cases were positive for CA16.The positive rates were 76.49%,52.19% and 7.76%,respectively.In the 104 HFMD severe cases,EV71 positive rate was 92.31%(96/104).There were clearly more boys than girls.The age distribution was mainly in the group under 3-year-old(402 cases,80.08%).In the group under 3-year-old,there were 97 severe cases(93.27%),and the EV71 positive rate was 92.78%(90/97).Serum levels of WBC,DBIL,ALT,CK-MB and LDH were higher in severe HFMD group than in mild group(P <0.05).Conclusion The HFMD occurred mostly at the children under 3-year-old.The HFMD appeared is mainly related to the EV infection,and EV71 is the main pathogen causing the severe cases of HFMD.