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The Journal of Bone & Joint Surgery British Volume
Vol. 80-B, Issue 3 | Pages 382 - 390
1 May 1998
Eggli S Pisan M Müller ME

To analyse the value and accuracy of preoperative planning for total hip replacement (THR) we digitised electronically and compared the hand-sketched preoperative plans with the pre- and postoperative radiographs of 100 consecutive primary THRs.

The correct type of prosthesis was planned in 98%; the agreement between planned and actually used components was 92% on the femoral side and 90% on the acetabular side. The mean (± SD) absolute difference between the planned and actual position of the centre of rotation of the hip was 2.5 ± 1.1 mm vertically and 4.4 ± 2.1 mm horizontally. On average, the inclination of the acetabular component differed by 7 ± 2° and anteversion by 9 ± 3° from the preoperative plans. The mean postoperative leg-length difference was 0.3 ± 0.1 cm clinically and 0.2 ± 0.1 cm radiologically. More than 80% of intraoperative difficulties were anticipated.

Preoperative planning is of significant value for the successful performance of THR.


The Journal of Bone & Joint Surgery British Volume
Vol. 77-B, Issue 6 | Pages 914 - 919
1 Nov 1995
Hertel R Pisan M Jakob R

Between 1989 and 1994 we used a vascularised ipsilateral fibular graft in 24 patients with segmental tibial defects. We report 12 patients with a minimum follow-up of two years. The graft was either transposed medially or inverted on its vascular pedicle. Full weight-bearing was achieved at between four and seven months. We had few complications and consider that the use of this method is a valuable option in reconstruction of the tibia.