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Orthopaedic Proceedings
Vol. 86-B, Issue SUPP_I | Pages 27 - 28
1 Jan 2004
Polard J Daoud W Hamon J Montron L Kerhousse G Husson J
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Purpose: We report the clinical and radiological course in a continuous series of 194 patients treated by the same team between 1996 and 2001 for thoracolumbar fracture. Cotrel frame instrumentation and Boëhler corset immobilisation were used.

Material and methods: In this series of 65 women and 129 men, age range 16 – 77 years, we retained one year follow-up at least for inclusion in the study. More than 85% of the patients were retained for study and the final analysis concerned 150 patients who were contacted.

All patients were in Frankel class E. In compliance with the SOFCOT 1995 Symposium, the method described by Rosset and Laulin and the international classification described by Magerl were applied to pre-operative x-rays to search for the pathogenic mechanism involved. The radiological analysis was conducted on preoperative, immediate post-operative, 1-month, 3-month, and last follow-up x-rays. The course of spinal kyphosis and angular deformation of the trauma zone and the subjacent disc were analysed. In addition to the overall series, patients with limit therapeutic indications, according to the local kyphosis and trauma-induced regional angular deformation, were also studied.

Results: For the initial indication of choice, type A1 fracture, gain in reduction was minimal for the constraining treatment. For type A3 fractures, posterior displacement of the posterior wall was not a contraindication because the posterosuperior reduction could be achieved by ligamentotoxis in the majority of the cases The gain in correction of spinal kyphosis was greater in these patients. Nevertheless, for this type of fracture, spinal kyphosis greater than 15° was an implicit sign of a potential posterior distraction lesion where osteosynthesis might be indicated, especially since the USS fixator uses a parallel assembly and authorises short instrumentations.

Conclusion: The Boëhler technique is a safe, minimally invasive and low-cost method for the treatment of thoracolumbar spine fractures, which enabled 30% correction of the spinal kyphosis. This method retains its indications for type A fractures.


Orthopaedic Proceedings
Vol. 84-B, Issue SUPP_II | Pages 114 - 114
1 Jul 2002
Langlais F Lambotte J Montron L
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For unstable fractures of the femoral shaft, the current interlocking nails are the most reliable fixation. However, these procedures require the use of an image amplifier for targeting the distal screws, and are expensive, ancillary instrumentation and an extensive stock of numerous nail sizes with various diameters, sides, and lengths is necessary.

We report a consecutive series of 60 unstable femoral fractures treated with the Endolock nail. This closed 11 mm diameter nail is introduced after little or no reaming. Distal fixation is achieved by means of a spur that unfolds from the nail and fixes into the posterior metaphysis. Radiological control during the procedure is recommended but not mandatory.

Fusion was achieved in all cases but three (5%). Two were aseptic in the same patient who presented two upper limb non-unions, and one with infection (little or no reaming was used in the nine open fractures). Eight moderate mal-unions were observed (angulation < 10°, external rotation < 20°, shortening < 20 mm) but did not require re-operation. All of these were the consequence of insufficient reduction of the fractures. No secondary displacement occurred between operation and fusion. No complications related to spur penetration or removal were observed.

The Endolock nail allows satisfactory interlocking without the mandatory use of an image amplifier, with little or no reaming, and at a low cost.


Orthopaedic Proceedings
Vol. 84-B, Issue SUPP_I | Pages 68 - 68
1 Mar 2002
Husson J Montron L Polard J Saillant G
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Purpose: The purpose of this work was to determine the role of orthopaedic treatment as a function of initial criteria of instability and potential risk of secondary restabilisation after healing of the common anterior vertebal ligament in patients with bipediculated C2 fractures and to compare the results of surgical treatment using CE pediatric fixation of C1-C3 fractures associated with C1-C3 graft to those with C2-C3 arthrodesis using posterior screw plate fixation with a pedicular screw in C2.

Material and methods: This was a retrospective analysis conducted in patients treated over a ten year period. There were 57 patients treated by two different orthopaedic surgery teams. There were 33 women and 24 mean, mean age 37 years with a maximum follow-up of 12 months. Clinical and radiographic findings were the same before treatment and at last follow-up. The surgical indication was for rupture of the common posterior vertebral ligament as assessed differently by two different surgical teams.

Results: Orthopaedic treatment was given to 65% of the patients (72% and 62% for the two teams). Clinical outcome in these patients was good or excellent in 69% and 79% resepectively for the two teams. Surgical treatment was given in 35% of the cases. Cervical CD fixation produced 100% fair clinical results and 40% very good and good radiographic results with the other 60% being acceptable. For the C2-C3 plate with a pedicular screw in C2, the clinical outcome was good or very good in 53% with 34% fair and poor results and 73% good and very good and 27% poor radiographic results.

Discusssion: This work demonstrated that indications or orthopaedic treatment can be extended, following the work by Roy-Cammille on the instability of these lesions introducting thus the notion of spontaneous anterior restabilisation due to healing of the common anterior vertebral ligament. For the choice of the technique, arthrodesis by cervical CD fixation remains a safe and sure technique despite the logical loss of C2-C3 rotation. Plate screw fixation with a C2 pedicular screw is more attractive but remains technically difficult.