Abstract
Introduction
We present our experience of lower limb reconstruction for patients with obvious defects in the tibia, by bone transport using a stacked Taylor Spatial Frame.
Methods
A retrospective review of 40 patients treated between 2003 and 2009. There were 19 cases of infected non union, 9 cases of acute bone loss following fracture, 6 cases of chronic osteomyelitis, 4 cases of aseptic non union, 1 case of neurofibromatosis and 1 case of a loose and infected total ankle replacement.
Results
28 out of the 40 patients reviewed have completed their treatment. Of these 28 patients, bony union was achieved in 23 patients, of whom 22 were assessed at discharge to have regained good to excellent limb function; a functional assessment was not available for review in the remaining patient. In 5 patients docking site union failed, 3 of whom then underwent below-knee amputation. Two patients required treatment with an intramedullary nail following frame treatment to achieve consolidated union of the docking site. Anatomic sagittal and coronal alignment was achieved in 19 out of 23 patients.
The mean bone regenerate was 53.3 mm (range: 15-180mm), with a mean healing index of 9.2 days/mm (range: 4.4-25 days/mm). The majority of patients experienced at least one complication; these included pin site and soft tissue infections, refracture, nerve palsy and joint stiffness. Surgical stimulation of the docking site was required in 12 of the 28 patients to promote union.
Conclusion
The use of a stacked Taylor Spatial Frame system is effective for restoring bone length and limb function in patients with bone loss following complex trauma and orthopaedic cases. The computer assisted nature of the spatial frame allows for predictable bone regenerate, minimal residual deformity and accurate bone docking
