Clinical results of pulsed signal therapy on patellofemoral syndrome with patellar chondropathy
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4
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article
Data de publicação
2019
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WILEY
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ESPREGUEIRA-MENDES, Joao
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BIOELECTROMAGNETICS, v.40, n.2, p.83-90, 2019
Resumo
This study was designed to evaluate the effect of pulsed signal therapy (PST) on patellofemoral pain syndrome associated with patellar chondropathy. A prospective randomized double-blind placebo controlled trial included 25 patients (41 knees) between 20 and 50 years with pain due to isolated patellofemoral syndrome with chondropathy. PST group received nine 60-min daily sessions of PST treatment. Control group received the same protocol of blinded placebo treatment. The main outcome was change from baseline Kujala score at 3 months. After 3 months, patients in the control group received effective treatment (placebo post-treatment). All patients were then followed, for up to 12 months. Seventeen knees (5 males and 12 females, mean age 36.7 +/- 7.9) received placebo and 24 knees (8 males and 16 females, mean age 35.5 +/- 8.9) received PST. By the third month, PST group exhibited a mean change from baseline of 9.63 +/- 7.5 Kujala points, compared to 0.53 +/- 1.8 in the placebo group (P < 0.001). A significant progressive improvement was seen in the PST group between the 3rd and 6th and between the 6th and 12th month (P < 0.016). Patients initially allocated in the control group also improved at 3 months (P < 0.001) and 6 months (P = 0.005) post-effective treatment. In conclusion, PST in patellofemoral pain syndrome with chondropathy was effective compared to placebo at 3 months, showing an important improvement of Kujala score. The improvement was progressive and maintained up to 12 months. PST is safe and should be considered as a non-invasive option for management of this condition. Bioelectromagnetics. 40:83-90, 2019. (c) 2019 Bioelectromagnetics Society
Palavras-chave
patellofemoral syndrome, pulsed electromagnetic field, pulsed signal therapy, patellar chondropathy
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