PubMed · 14148277
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J A SEVASTIKOGLOU. 1964-07-02. [PSEUDARTHROSIS].. https://pubmed.ncbi.nlm.nih.gov/14148277/
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INTRODUCTION: To report a new technique for scapholunate ligament reconstruction, using a periosteal flap of the iliac crest. MATERIALS AND METHODS: In 12 patients with static SL instability, a periosteal flap was harvested from the anterior portion of the iliac crest. Following repositioning of the carpals, the flap was fixed to the scaphoid and lunate between an incompletely osteotomised scale at the dorsal horn of the scaphoid and lunate. Pin fixation of the scapholunate (SL) and CL interval secured postoperative reduction for 8 weeks. A forearm plaster cast was worn for 12 weeks. RESULTS: Eleven patients, all male, were available for follow-up at an average of 29 months. The interval between trauma and surgery averaged 15 months. The preoperative SL angle measured 77 deg, CL angle was -10 deg, and SL gap amounted to 5.2 mm. At follow-up, SL angle was 59 deg, CL angle measured -2 deg, and SL gap was 2.1 mm. SL gap, SL angle, and CL angle improved significantly from preoperative to follow-up values. According to the clinical grading system of Green and O'Brian, 6 patients scored in the excellent and good category and 5 in the fair category. Using the radiologic grading system of Gickel and Millender, 9 patients scored as excellent and good, whereas the 2 poor results were due to failure of the technique. CONCLUSION: The technique enables reduction of the SL angle and SL gap in patients with static reducible scapholunate instability. The initial results are quite encouraging.
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BACKGROUND: This work evaluated the radiologic stability of titanium mesh cages (TMCs) when used for single-level corpectomy reconstruction of thoracic and thoracolumbar spine. METHODS: Thirty-one patients underwent reconstruction for acute fractures (n = 15), posttraumatic deformity reconstruction (n = 10), neoplastic disorders (n = 4), and infection (n = 2). The cages were placed after corpectomy and excision of the adjacent intervertebral discs. Additional stabilization devices included anterior plates alone (n = 18), anterior double screw and rod constructs alone (n = 9), a single anterior rod system (n = 1), posterior stabilization alone (n = 6), and additional posterior stabilization (n = 2). RESULTS: Mean kyphosis correction was from 16 degrees to 5 degrees with 3 degrees of recurrence at 1-year follow-up (P < 0.0001 for both postoperative and final follow-up). In patients with greater initial kyphosis (>20 degrees ), mean correction was from 33 degrees to 10 degrees without recurrence (P = 0.004). Distance between adjacent vertebral bodies improved by 13 mm after cage placement, with a mean of 2mm of settling at final follow-up. There was one asymptomatic cage fracture without evidence of other problems. Two patients had construct failure after complex three-dimensional deformities were inadequately corrected and the cages had been placed in an angulated position. CONCLUSIONS: This report suggests that TMCs are a sound reconstruction alternative after thoracic and thoracolumbar corpectomy at a single level and may prevent complications associated with the harvest and use of large structural autografts for these reconstructions. Failure to correctly align the spine so the cage can be vertically placed is a contraindication to the use of TMCs.