Abstracts of the 2013 Annual Meeting of the AANS/CNS Section on Disorders of the Spine and Peripheral Nerves Phoenix, Arizona • March 6–9, 2013

Hasil dari  Annual Meeting Arizona tanggal 6-9 Maret 2013 Dipublikasikan dan dapat di download dengan gratis di website resmi JNS. Ada kurang lebih 171 Abstrak yang ditampilkan. salah satunya dengan judul "Predictors of Loss of Kyphotic Deformity Correction and Scoliosis after Anterolateral Vertebrectomy and Spinal Fusion for Thoracolumbar Burst Fractures".

 Berikut salah satu contohnya:

 Predictors of Loss of Kyphotic Deformity Correction and Scoliosis after Anterolateral Vertebrectomy and Spinal Fusion for Thoracolumbar Burst Fractures

Farhan Siddiq MD, Thomas A. Bergman MD (Hennepin County Medical Center), Walter Galicich MD, Christopher Daniel Roark MD (Neurosurgical Associates, LTD), Malik Adil, Kiersten Norby

 
Introduction: Anterolateral vertebrectomy and spinal fusion is a described treatment for burst fractures of the thoracolumbar junction. Controversy remains as to the best method of treating these difficult and highly unstable fractures.
Methods: Patients who underwent single stage anterolateral vertebrectomy and fusion for burst fractures of the thoracolumbar junction from January 2000 through April 2012 were identified from our institutional case log. Clinical and radiographic data were obtained from the hospital medical records. Scoliosis of greater than 5° at the time of final follow up was considered significant. Loss of kyphotic deformity correction by 5° at the time of final follow up was also considered significant.

Results: Ninety-six patients were followed for greater than one month, mean follow up was 6.6 (2-36) months. Forty-two patients (42.7%) had an expandable titanium cage graft and 54 (56.3%) had a bone strut graft. Five patients (5.2%) subsequently failed during follow up and required posterior instrumentation. Thirty-nine patients (40.6%) demonstrated scoliosis during follow up. Thirty-five (36.5%) had loss of kyphotic deformity correction by a mean of 10.0° (±3.6, Range: 5-20). In a univariate analysis, BS graft (p = 0.01), tilt in graft position (p = 0.005), end plate damage (p < 0.0001), and graft to endplate width ratio of =45% on AP x-ray (p = 0.02) were associated with loss of kyphotic deformity correction at follow up. Graft location towards the left of midline (p < 0.0001), tilt in graft position (p = 0.01), and end plate damage (p = 0.0001) were also associated with scoliosis at the time of final follow up.

Conclusion: Use of a bone strut graft, graft location, tilt in graft position, presence of end plate damage, and width of the graft on AP x-ray may be associated with loss of kyphotic deformity correction after single stage anterolateral vertebrectomy and spinal fusion. Graft location, tilt in graft position and presence of end plate damage may also be associated with post-operative scoliosis in these patients.

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Kunsantri Nurrobbbi, MD