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Arthroscopic Lateral Collateral Ligament Repair for the Acute Elbow Dislocation in Primary Lateral Sclerosis Patient:
Nattakorn Mahasupachai1, Arnakorn Premsiri1, Cholawish Chanlalit1
1Orthopedics, Srinakharinwirot University, Nakhon Nayok, Thailand.
Introduction:
Without adequate muscle function as the dynamic elbow stabilizer, in a patient with a neuromuscular disorder, such as primary lateral sclerosis (PLS), the osteoligamentous structures are the only elbow stabilizers. To provide elbow stability, these structures should be restored.
Case:
A 30-year-old female with PLS suffered from pain and dysfunction of her elbow after a previous elbow injury and current elbow dislocation.
Management And Outcomes:
We performed an arthroscopic lateral collateral ligament repair. At 6 months postoperative, her elbow gained stability and a painless full range of motion.
Conclusion:
Periarticular muscles are crucial in joint congruity maintenance when the static stabilizers are disrupted. However, in neuromuscular diseases, the dynamic stabilizers are inadequate in providing stability for ligament healing, causing elbow instability. Osteoligamentous stabilizers restoration is the key to joint stability in a paralytic limb. An arthroscopy is a good option restoring collateral ligaments by reducing damage to surrounding muscles.
