| Background:Total knee arthroplasty(TKA)is the best solution for treating severe knee osteoarthritis,and the surgery has relatively high rate of sucess,but the patients still need to receive rehabilitation therapy to alleviate dysfunction,and to promote rehabilitation.The golden period of rehabilitation for TKA patients is 3 to 6 months after the surgery,however,the exercise adherence of TKA patients at home is very low indeed,which resulting in missing the best timing of functional recovery,and patients can’t reach the expected rehabilitation level.WeChat combines text,voice,video and other functions as a whole,and is immediate,easy to operation and low in cost,it has been widely used as means of health communication in different health field.This study aims to explore the effect of WeChat-based intervention on the exercise adherence of total knee arthroplasty patients at home.Objective:To assess the effect of WeChat-based intervention on improving home exercise adherence and rehabilitation status of total knee arthroplasty patients.Method:By using convenience sampling,72 subjects who met the inclusion and exclusion criteria and underwent TKA surgery and transferred to the conjoined rehabilitation institutions were included from September 2016 to March 2017,and were randomly divided into the intervention group(37 cases)and the control group(35 cases).Subjects in intervention group learnt to use WeChat before discharge,and need to do exercise at home according to the home exercise plan and with the intervention of WeChat.The subjects in control group also need to do exercise at home according to home exercise plan and the same exercise instructions in pictures.The exercise adherence questionnaire,medical protractor,AKS knee joint function score and SF-36 survey were used to investigate or measure exercise adherence at home,knee flexion,total knee joint function and quality of life of subjects in each group before intervention,1 months after surgery and 3 months after surgery.Results:A total of 63 subjects were included,33 for intervention group and 30 for the control group.The results showed that(1)the rate of exercise aherence for the intervention group were 45.71%after 1 month of surgery and 71.47%after 3 months of surgery,the rate of exercise aherence for the control group were 44.86%after 1 month of surgery and 54.73%after 3 months of surgery.Exercise adherence of the control group was significantly higher than that in the control group(P<0.001)after 3 months of surgery.The scores of symptom dimension and functional activity dimension of AKS scale,and the total scores of the SF-36 scale,the scores of physiological function dimension and body pain dimension of the intervention group were significantly higher than those of the control group after 1 month and 3 months of the surgery(P<0.05).The total scores of AKS scale,patient’s satisfaction dimension and patient’s expectation dimension were significantly higher than those of the control group after 3 months of the surgery(P<0.05).There were no significant differences in other indicators between the two groups(P>0.05).(2)The subjects showed a high degree of acceptance and satisfaction with the WeChat-based intervention.Conclusion:The WeChat-based intervention can improve exercise adherence of patients with TKA at home,and also help to improve knee function and quality of life of the patients,thus to promote the rehabilitation status of the patients. |
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