PHYSICAL THERAPY & REHAB
Efficacy of electromyographic biofeedback and electrical stimulation following arthroscopic partial meniscectomy: a randomized controlled trial
OrthoEvidence Journal (OE Journal) - ACE Report
OE Journal. 2013;1(14):6 Clin Rehabil. 2012 Mar;26(3):224-36. doi: 10.1177/0269215511419382. Epub 2011 Oct 445 patients undergoing arthroscopic partial meniscectomy were randomized into three groups following surgery. The study focused on measuring which postsurgical therapy was the most effective. The first group completed a home exercise programme, while the second group did home exercise along with receiving electromyographic biofeedback (EMG-B) training to quadriceps muscle. The third group did home exercise along with receiving electrical stimulation (ES) therapy to quadriceps muscle. Following functional assessments over a 6 week period, results indicated that home exercise combined with EMG-B training quickened rehabilitation following arthroscopic partial meniscectomy.
Was the allocation sequence adequately generated?
Was allocation adequately concealed?
Blinding Treatment Providers: Was knowledge of the allocated interventions adequately prevented?
Blinding Outcome Assessors: Was knowledge of the allocated interventions adequately prevented?
Blinding Patients: Was knowledge of the allocated interventions adequately prevented?
Was loss to follow-up (missing outcome data) infrequent?
Are reports of the study free of suggestion of selective outcome reporting?
Were outcomes objective, patient-important and assessed in a manner to limit bias (ie. duplicate assessors, Independent assessors)?
Was the sample size sufficiently large to assure a balance of prognosis and sufficiently large number of outcome events?
Was investigator expertise/experience with both treatment and control techniques likely the same (ie.were criteria for surgeon participation/expertise provided)?
はい = 1
不確実＝0.5
無関係 = 0
いいえ = 0
報告基準評価では、著者が出版物内で試験の方法論的特徴や試験特性を報告する際の透明性を評価します。評価は以下の5つのカテゴリーに分類されます。
4/4
Randomization
3/4
Outcome Measurements
4/4
Inclusion / Exclusion
4/4
Therapy Description
3/4
Statistics
Detsky AS, Naylor CD, O'Rourke K, McGeer AJ, L'Abbé KA. J Clin Epidemiol. 1992;45:255-65
Fragility Indexは、重要な所見の解釈を助けるツールで、結果の強さの尺度を提供します。Fragility Indexは、その所見が有意でなくなるために、二項対立の結果に追加する必要がある連続した事象の数を表します。数値が小さいほど弱い所見を表し、数値が大きいほど強い所見を表します。
なぜ今この研究が必要なのですか？
The standard surgical treatment for meniscal lesions is arthroscopic partial meniscectomy. A consequence of the surgery is the weakening of quadriceps muscles. Although many rehabilitation programmes following partial meniscectomy do exist, including home exercise and observed physical therapy, it is still unclear which one is the most effective. This study aimed to focus on the efficacy of home exercise on its own, when home exercise was combined with the physical therapy technique EMG-B, and when home exercise was combined with the physical therapy method ES.
主な研究課題は何ですか？
Was the addition of EMG-B training and ES to a conventional home exercise programme an effective rehabilitation method following arthroscopic partial meniscectomy, when measured over a 6 week period?
重要な知見は？
- There was a significant difference in mean time using a walking aid between the Home Exercise group (8.3 +/- 8.0 days), the EMG-B group (1.5 +/- 2.5 days), and the ES group (4.5 +/- 5.5 days) (p<0.05). The mean time using a walking aid was significantly shorter in the EMG-B group (1.5 +/- 2.5 days), than in the Home Exercise group (8.3 +/- 8.0 days) (p<0.017).
- There was significant progress in knee function at 2 and 6 weeks following the surgery for all three groups (p<0.017). The mean Lysholm Knee Scoring Scale score at 2 weeks after the surgery was significantly better in the EMG-B group, than in the Home Exercise group (p<0.017).
- The mean vastus medialis obliquus, vastus lateralis maximum, and contraction values at week 2 following the operation was significantly higher in the EMG-B group than in the Home Exercise and ES groups (p<0.017).
- Although there was significant improvement in pain VAS scores, gait velocity, joint ROM, and knee circumference for all three groups (p<0.017), there was no significant difference between the groups at any point (p>0.05).
最も覚えておくべきことは？
Based on the functional and muscle results, the study indicated that patients who completed home exercise combined with EMG-B training appeared to have an expedited rehabilitation over the intial few weeks, especially in terms of time needing a walking aid, compared to those who underwent different forms of therapy.
それが私の患者ケアにどのように影響するか？
This study displayed that adding EMF-B training to conventional home exercise programmes following arthroscopic partial meniscectomy is effective in providing quick rehabilitation. However, few studies have evaluated this technique, and more trials on this subject are needed in order to confirm these results. Moreover, future studies should include a larger sample size.
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