SPORTS MEDICINE
Range of Motion and Quadriceps Muscle Power After Early Surgical Treatment of Acute Combined Anterior Cruciate and Grade-III Medial Collateral Ligament Injuries. A Prospective Randomized Study
This report has been verified
by one or more authors of the
original publication.
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これにより、臨床的に意義のある研究をより早く認識することが可能になり、読者は将来の診療を形成する可能性が最も高い論文に集中することができます。
OrthoEvidence Journal (OE Journal) - ACE Report
OE Journal. 2013;1(5):89 J Bone Joint Surg Am. 2009 Jun;91(6):1305-12.47 patients with combined anterior cruciate ligament (ACL) and medial collateral ligament (MCL) injuries were randomized to receive either operative treatment on both ACL and MCL or operative treatment just on ACL. It was observed that the non-operative treatment of the MCL led to a greater range of motion and recovery of quadriceps power generation during early follow-ups.
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。
3/4
Randomization
3/4
Outcome Measurements
2/4
Inclusion / Exclusion
4/4
Therapy Description
4/4
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？
Isolated MCL injuries are commonly treated with non-operative care. However, there is no consensus for the standard of care in patients who have injured both ACL and MCL ligaments in the same knee. Surgical repair of both ligaments, while providing knee stability, has recently found to be associated with decreased post-operative range of motion and quadriceps muscle power. This trial examined differences in range of motion and quadriceps power between operative and non-operative treatment of the MCL in combined ACL and MCL injuries.
主な研究課題は何ですか？
In patients with combined ACL and MCL injuries (tears), does non-operative treatment of the MCL provide better postoperative range of motion, without sacrificing stability when compared to operative repair?
重要な知見は？
- Flexion deficit was greater in the MCLS group (both ACL and MCL repair) at all follow-up time points, but was only significant at 6 weeks (100 vs 112 degrees; p=0.009), 12 weeks (119 vs 128 degrees; p=0.043), and 32 weeks (130 vs 136 degrees; p=0.011)
- At 1 and 2 year follow-up, knee flexion was similar between the two groups (MCLS =132 and MCLNO= 134 degrees; MCLS=134 and MCLNO=137 degrees)
- At 1 year, quadriceps muscle power was 30.7% in the MCLS group and 20.5% in the MCLNO group (p=0.015). At 104 weeks, this difference was no longer significant, but favoured the MCLNO group (14.4% vs 9.7%; p=0.2)
- 96% (45/47) patients exhibited normal flexion, according to the International Knee Documentation Committee criteria
最も覚えておくべきことは？
Results from this study favoured the non-operative treatment for the MCL in patients with combined ACL and MCL injuries. At one year, quadriceps muscle power was greater in the non-operative group. However, at two years, muscle power, and ROM were equal in both groups.
それが私の患者ケアにどのように影響するか？
This study indicates that non-operative treatment of the MCL in combined ACL and MCL injuries provides improved quadriceps muscle power recovery and ROM when examined during short term follow-up, with no differences apparent at long term follow-up.
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