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Hinged Total Knee Replacement for an Arthritic Knee Following a Neglected Knee Dislocation: A Case Report
Sharath Kittanakere Ramanath1, Rahul Hemant Shah2, Ashwini Varadha Rajan3
1Department of Orthopaedics, Ramaiah Medical College and Hospitals, Bengaluru, Karnataka, India.
Introduction:
Neglected knee dislocations are a rare entity. They present with gross degenerative changes and ligament laxity. There is no defined protocol for the treatment of arthritic knees in neglected knee dislocations.
Case Report:
A 54-year-old male presented with pain and limp over his left knee after sustaining a knee dislocation 25 years back which was unsuccessfully reduced by open methods twice. Since the patient was a farmer and involved in heavy labor activities, we decided to avoid arthrodesis of his knee and help him ambulate immediately without any functional limitations. We performed a hinged total knee arthroplasty (TKA) which corrected the deformity, ligament laxity, and pain and helped him gain complete range of movements. The patient was followed-up till 30 months after the surgery with excellent clinical and radiological results.
Conclusion:
A hinged TKA is a reliable technique to correct a neglected knee dislocation in a single sitting provided thorough pre-operative assessment and post-operative physiotherapy are done.
