Clinical study of extracorporeal shock wave therapy combined with interference electrotherapy in the treatment of knee osteoarthritis
Objective:To observe the clinical effect of extracorporeal shock wave therapy combined with interference electrotherapy in the treatment of knee osteoarthritis(KOA).Methods:A total of 140 patients with KOA who visited the Rehabilitation Department of Tianlin Community Health Service Center of Xuhui District,Shanghai from January 2021 to January 2023 were selected and randomly divided into two groups with 70 cases in each group.The control group was treated with interference electrotherapy,30 minutes per time,once a day,5 times per week,and the treatment was for four weeks;the treatment group was treated with extracorporeal shock wave therapy on the basis of the control group,once a week,and received a 4-week treatment.The visual analogue scale(VAS),Western Ontario and McMaster University osteoarthritis index(WOMAC)and knee joint function scale(Lysholm)were used to evaluate the degree of knee joint pain and function of two groups before and after treatment.Results:After 4 weeks of treatment,VAS scores,WOMAC scores and Lysholm scores in both groups were significantly improved compared with those before treatment(P<0.01);the differences of VAS,WOMAC and Lysholm before and after treatment between the two groups were statistically significant(P<0.01).Conclusion:Compared with interference electrotherapy alone,extracorporeal shock wave therapy combined with interference electrotherapy can alleviate the symptoms of knee joint pain,swelling and limited mobility in patients with KOA better,and significantly improve the knee joint function of patients.
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