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The Impact of Anesthesia and Surgical Exposure on Quadriceps Muscle Function

Gianluca Cappelleri*, Paolo Ferrua and Massimo Berruto

Quadriceps strength (QS) may be reduced one year after total knee arthroplasty (TKA) interfering with activities of daily living. Impairments of quadriceps motor function also represent the true limit to complete all functional tests leading to a lower Knee Society Functional Score.Both anesthesia techniques and surgical exposure can affect short-term outcome but there is a lack of evidence that regional anesthesia techniques as well as mininvasive approaches also lead to an improvement of long-term functional outcomes. Moreover regional analgesia procedures directly impair with quadriceps motor function interfering with rehabilitation.

The aim of this article is to analyze both anesthesia and surgical aspects causing quadriceps weakness after TKA and discuss their implication on functional outcomes.