Skip to main content

Table 5 Radiographic analysis for CR-FINE TKA 3 years postoperatively

From: Three-year clinical and radiological results of a cruciate-retaining type of the knee prosthesis with anatomical geometry developed in Japan

Component alignment

 Mean standing FTA (SD), degree

176 (2.8)

 Mean DFVA (SD), degree

98 (2.4)

 Mean PTVA (SD), degree

89 (1.9)

 Mean FFA (SD), degree

2.5 (2.1)

 Mean TS (SD), degree

87 (1.6)

Mechanical alignment

n (%)

 Neutral (HKA angle = 0°)

12 (9.8)

 Varus (HKA angle≧1°)

88 (72.1)

 Valgus (HKA angle≦ − 1°)

22 (18.0)

 Within HKA angle ±3°

74 (60.7)

 Mean HKA angle (SD), degree

2.3 (3.6)

Periprosthetic bone reaction

n (%)

Radiolucent lines (≧1 mm)

 femur

5 (4.1)

 tibia

0

Osteolysis

0

Subsidence

0

Heterotopic ossification

1 (0.8)

  1. FTA femorotibial angle, DFVA distal femoral valgus angle, PTVA proximal tibial varus angle, FFA femoral flexion angle, TS tibial slope, HKA hip-knee-ankle, SD standard deviation. Varus mechanical alignment is designated as positive for HKA angle