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Journal of Experimental Orthopaedics

Table 2 Percentage of outliers from the rKA target zone and alignment target

From: Closed-leg standing long leg radiographs can be a useful tool to assess whether the joint line is parallel to the ground in restricted kinematic alignment total knee arthroplasty

 

Outliers from rKA target zone (%)

Outliers from alignment target (%)

Measurements

Postoperative HKA more than ± 3º or LDFA/MTPA more than ± 5º

Postoperative measurement deviations from planned alignment more than ± 3º

HKA

46

14

LDFA

7

11

MPTA

14

5

JLOA

-

31

  1. Abbreviations: HKA Hip-knee-ankle angle, JLOA Joint line orientation angle, LDFA Lateral distal femoral angle, MPTA Medial proximal tibial angle, rKA Restricted kinematic alignment
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