Traumatic Dislocation (Cam Jump) in a Morbid Obese Post Total Knee Replacement Patient: A Case Report on a Rare Complication in Field of Total Knee Arthroplasty.

Abstract

Dislocation after total knee arthroplasty is uncommon and more challenging if it occurs in morbid obese patients with multiple comorbid factors. Case Report: This is a case of a 70- year-old male patient with a BMI of 40 with known HTN, Ischemic Heart Disease presenting with posterior dislocation of his right knee post TKR in a posterior stabilized knee after 3 years without a history of trauma. Results: The patient underwent closed reduction under spinal anaesthesia and reduced under uoroscopic guidance. Range of movements were found to be satisfactory. The patient has been kept under a long knee brace and was encouraged to walk on POD-2. His Post-op 3 months follow up is uneventful. Conclusion: Identifyng the cause and closed reduction under uoroscopic guidance, stability, alignment, range of motion was found satisfactory. The patient can undergo closed reduction without any other procedure of choice.