Supracondylar rotation osteotomy of the femur influences the coronal alignment of the ankle

Journal of Experimental Orthopaedics

Table 1 Radiographic measures in patients undergoing supracondylar external rotation osteotomy of the femur

Radiographic measure	Preoperative	Postoperative	∆	P-value
Femoral torsion [°]	31.27 ± 4.00	17.43 ± 5.06	13.84°	< 0.001
Hip-Knee-Ankle angle [°]	2.40 ± 1.06	0.00 ± 1.26	-2.40°	< 0.001
mLDFA [°]	89.30 ± 1.80	86.97 ± 2.21	-2.33°	< 0.001
mMPTA [°]	87.31 ± 2.01	87.43 ± 2.60	0.12°	n. s
mLDTA [°]	90.36 ± 1.58	89.88 ± 1.09	-0.48°	n. s.
aLDTA [°]	89.24 ± 1.31	88.90 ± 1.01	-1.76°	n. s
mMA [°]	96.40 ± 2.10	90.76 ± 2.23	-5.64°	< 0.001
MHA [°]	14.00 ± 2.00	11.10 ± 2.01	-2.90°	< 0.001
TPHA [°]	1.30 ± 2.02	-1.30 ± 2.28	-2.60°	< 0.001
TTTA [°]	0.0 ± 0.0	0.0 ± 0.0	0.0°	n. s

mLDFA Mechanical lateral distal femoral angle, mMPTA Mechanical medial proximal tibial angle. mLDTA Mechanical lateral distal tibia angle, aLDTA Anatomic Lateral Distal Tibia Angle, mMA Mechanical Malleolar Angle, MHA Malleolar Horizontal Orientation Angle, TPHA Tibia Plafond Horizontal Orientation Angle, TTTA Tibio Talar Tilt Angle