关键词: 关节炎,感染性, 灌洗疗法, 新型医用局部灌洗泵, 治疗结果

Abstract: Objective　To analyse the curative effect of a new medical local irrigation pump in the treatment of septic arthritis of knee joint.Methods　41 cases who were diagnosed with septic arthritis of knee joint in the Affiliated Hospital of Jilin Medical University from 2013 to 2015,were selected as study subjects.All cases received debridement therapy under arthroscope,some cases received systemic application of sensitive antibiotics according to drug sensitivity test,and cases with negative bacterial culture result were treated with broad-spectrum antibiotics.On the basis of the above treatments,all cases received local administration using a new medical local irrigation pump,the irrigation rate was 80-120 ml/h within a week.A week later the irrigation rate was reduced to 20-30 ml/h,cases received continuous irrigation and drainage for at least one week.Auxiliary examination results and knee joint HSS score of patients after treatment were recorded.Results　1-2 days after continuous irrigation with the new irrigation pump,the patients,symptoms of chills,vomiting,convulsions and delirium disappeared,body temperature decreased;3 days after irrigation,bacterial culture result was negative;3-5 days after irrigation,body temperature returned to normal;4-7 days after irrigation,levels of WBC,NEUT% and CRP reduced to the reference range;7-10 days after irrigation,local symptoms of knee joint improved,X-ray examinations showed no further development of bone destruction;the HSS score of knee function:26 cases（63.4%） were excellent,12 cases（29.3%）were good,3 cases（7.3%）were moderate.Conclusion　The new medical irrigation pump is easy to operate in the treatment of septic arthritis of knee joint,and the curative effect has initially been confirmed.

Key words: Arthritis,infectious, Therapeutic irrigation, New medical local irrigation pump, Treatment outcome