treatment of mcl/pmc in the multiligament injured knee · pdf filetreatment of mcl/pmc in the...
TRANSCRIPT
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Treatment of MCL/PMC
in the Multiligament Injured knee
ISAKOS 2017 Congress
June 7, Shanghai, China
Robert G. Marx, MD MSc FRCSC
Professor of Orthopedic Surgery
Weill Cornell Medicine
Hospital for Special Surgery
New York, New York
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Disclosures
• Books Royalties:
– Author, The ACL Solution. Demos Health, 2012.
– Editor, Revision ACL Reconstruction: Indications and Technique.
Springer, 2014.
• Journal Editorship:
– Deputy Editor for Sports Medicine
– Associate Editor of Evidence-Based Orthopaedics
Journal of Bone & Joint Surgery
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LaPrade and Engebretsen, JBJS 2007
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MCL Repair or Reconstruction
• MCL repair or reconstruction BOTH have
acceptable outcome in the setting of
combined ligament injuries (Level 4)
• Repair vs Reconstruction of the MCL in the
Multiligament Injured Knee: An evidence
based systematic review
–Kovachevich, Shah, Dahm, Stuart, Levy
KSSTA 2009
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Stannard, SMAR 2010
• 73 MCLs treated surgically in multiligament knee
injuries
• Failure rate 20% in repairs
• Failure rate 4% in reconstructions using
semitendinosis autograft
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MCL in the multi-ligament injured knee
• Every case is different
• If the patient is seen early (within 2 weeks) and
they have MCL avulsions that are repairable:
consider early repair – with reconstruction as
needed
• If severe midsubstance injury and/or the injury is
chronic and/or has severe laxity: reconstruction is
likely required
• In general, do MORE not less, because if the MCL
fails the ACL/PCL grafts may be compromised and
fail as well.
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Case Example
• 50 year old male
• Fall Skiing 3 days ago
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Surgical Technique
Medial Side - Acute
MCL Tibial Avulsion:
• Reattach MCL with suture anchors
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Summary:
In Acute Situation
• Good tissue: can repair, but only if tissue
is excellent quality and if anatomic repair
is possible.
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Canata Proximal Plication, CORR 2012
Chronic MILD Laxity
MCL Laxity in the setting of ACL recon:
• Primary or revision
• Increased medial laxity, not gross
• Intact, scarred proximal MCL
• Proximal MCL plication at the epicondyle
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Canata technique
Canata et al., CORR 2012
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Reconstruction with
Semitendinosus Autograft
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Downsides of using Semi-T
• Violating the medial side of the knee
• Tendon size
• Donor site morbidity
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MCL Reconstruction
with Allograft
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Achilles Tendon Allograft Marx and Hetsroni, CORR 2012
• Usually avoid posteromedial plication
• Less stiffness since graft is extra-
articular
• Repair soft tissue if possible
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Rehabilitation Following
Multi-ligament Reconstruction
• Leg immobilized in full extension 2-4
weeks.
• Non weight bearing 2-4 weeks.
• Limit flexion to 90 degrees for 4-6 weeks.
• Follow patients closely every 2 weeks to
keep close eye on range of motion.
• Start gait training at 6 weeks if muscle
strength adequate.
• Functional rehabilitation as indicated.
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Thank You!