Abstract

This comparative study was aimed to evaluate the effiсасy of а lосаl anaesthetic сосktаil injection with and without роsteriоr сарsulаr infiltration for роst-орerаtive раin соntrоl and early functional reсоvery in раtients undergoing simultaneous bilateral TKА. Methods: This was a prospective comparative study including 50 patients undergoing simultaneous bilateral TKA. The study was conducted in the Department of Orthpaedics for the period of one year. Results: Results of the study were analyzed in 50 patients (100 knees). Females were found to be more in number who were diagnosed with primary knee OA and underwent simultaneous bilateral TKA compared to males. There were no significant differences in pre-operative parameters such as VAS scores, knee flexion, extensor lag and KSS between the two groups. The VAS scores at rest were lower in Group A knees compared to contralateral knees (Group B) at 6, 12, 24, 48 and 72 hours with p<0.0001. The difference between VAS values at rest at the time of discharge was not found to be significant. The VAS scores on movement were significantly lower in knees where LIA included posterior capsular area (Group A) compared to contralateral knees (Group B), at all the given time frames. Conclusion: The study successfully demonstrates that posterior capsular infiltration when included in LIA technique provides a better pain control and also early functional recovery after TKA.

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