Non-operative treatment of the MCL in combined ACL MCL injuries .
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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)?
Ja = 1
Ungewiss = 0.5
Nicht relevant = 0
Nein = 0
Die Bewertung der Berichtskriterien bewertet die Transparenz, mit der die Autoren die methodischen und studienspezifischen Merkmale der Studie in der Veröffentlichung angeben. Die Bewertung ist in fünf Kategorien unterteilt, die im Folgenden vorgestellt werden.
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
Der Fragilitätsindex ist ein Instrument, das bei der Interpretation signifikanter Ergebnisse hilft und ein Maß für die Stärke eines Ergebnisses liefert. Der Fragilitätsindex gibt die Anzahl der aufeinanderfolgenden Ereignisse an, die zu einem dichotomen Ergebnis hinzugefügt werden müssen, damit das Ergebnis nicht mehr signifikant ist. Eine kleine Zahl steht für ein schwächeres Ergebnis und eine große Zahl für ein stärkeres Ergebnis.
Warum wurde diese Studie jetzt benötigt?
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.
Was war die wichtigste Forschungsfrage?
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?
- 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
Was sollte ich mir besonders merken?
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.
Wie wird sich dies auf die Behandlung meiner Patienten auswirken?
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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