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Multiple sclerosis and bilateral dislocations of total knee replacements: a case report
S Dawson-Bowling1, A Tavakkolizadeh, H L Cottam
1Department of Orthopaedics, The Conquest Hospital, The Ridge, St Leonard's on Sea, East Sussex, TN37 7RD, UK.
Summary
A 67-year-old woman with multiple sclerosis (MS) experienced recurrent knee dislocations after bilateral total knee replacement. This complication, requiring revision surgery, has not been previously linked to neurological diseases like MS.
Area of Science:
- Orthopedic surgery
- Neurology
- Biomedical engineering
Background:
- Multiple sclerosis (MS) is a chronic neurological disease affecting the central nervous system.
- Total knee replacement (TKR) is a common orthopedic procedure for severe knee arthritis.
- Fixed bearing posterior cruciate retaining prostheses are widely used in TKR.
Observation:
- A 67-year-old female patient with a history of MS underwent bilateral TKR with a specific prosthesis.
- Initially, the patient reported satisfactory outcomes post-surgery.
- Subsequently, she developed recurrent dislocations in both knees, necessitating revision surgery.
Findings:
- Recurrent knee dislocations occurred as a complication following TKR in a patient with MS.
- The complication necessitated bilateral revision surgery.
- This specific complication has not been previously documented as a sequela of neurological diseases.
Implications:
- The findings suggest a potential, previously unrecognized link between neurological conditions like MS and TKR complications.
- Further research is warranted to investigate the biomechanical and neurological factors contributing to such dislocations.
- This case highlights the importance of considering patient-specific neurological status in orthopedic implant selection and post-operative management.
