Purpose: This study outlines the benefits of the proximal tibia angle (PTA) in evaluation of the pre-operative individual condylar twist angle (CTA) in total knee arthroplasty. Methods: Condylar twist angle and proximal tibia angle were obtained from 33 female healthy participants using computed tomography (CT). The CTA, angle between clinical transepicondylar axis and posterior condylar line were measured. The PTA is the angle formed between the mechanical axis of the tibia and tibia plateau line. The correlation between the CTA and the PTA was analyzed statistically with the linear regression.
Study Type
OBSERVATIONAL
Enrollment
33
Honghui Hospital
Xi’an, Shanxi, China
RECRUITINGHong-hui Hospital
Xi'an, China
RECRUITINGproximal tibia angle (PTA)
The PTA is the angle formed between the mechanical axis of the tibia and tibia plateau line.
Time frame: Four months
Condylar twist angle (CTA)
The CTA is the angle between clinical transepicondylar axis and posterior condylar line
Time frame: Four months
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