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Muscle strength, physical performance is comparable between patients with bicompartmental, TKA
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Researchers in this study found no significant difference in muscle strength or physical performance between patients who had either bicompartmental knee arthroplasty or total knee arthroplasty.
“Although theoretically plausible, bicompartmental knee arthroplasty was not superior in knee muscle strength and physical performance at 1 year compared with total knee arthroplasty,” the researchers wrote in their study abstract.
The researchers analyzed 31 knees in 24 patients preoperatively and again at 6- and 12-month follow-up, according to the abstract. They used timed up and go, stair climbing, and 6-minute walk tests to measure muscle strength and physical activity postoperatively.
Although there was a significant difference in age between the two groups, there was no significant difference at preoperative or postoperative follow-up periods regarding physical performance, knee extensor, flexor torque, hamstring ratio, quadriceps ratio or position sense, according to the abstract. While both groups showed improved results in the 6-minute walk test, the total knee arthroplasty group was the only group to show increased stair climbing abilities, the researchers noted.
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