Abstract
Study design
Retrospective case series.
Objective
To assess the efficacy of preoperative halo-gravity traction (HGT) in the treatment for severe adult kyphosis and scoliosis.
Summary of background data
Preoperative HGT improves severe curve magnitude and clinical condition in pediatric spinal deformity. However, the efficacy of HGT on severe adult spinal deformity has rarely been studied.
Materials and methods
This study included 18 patients with severe adult kyphosis and scoliosis (age ≥ 18) who underwent a preoperative HGT (mean 4 weeks), and subsequent definitive posterior-alone corrective fusion. Etiologies were neurofibromatosis (n = 5), adult idiopathic (n = 3), multiple vertebral fractures due to osteoporosis (n = 1) and multiple myeloma (n = 1), degenerative failed back syndrome (n = 1), Scheuermann kyphosis (n = 1), Marfan syndrome (n = 1), and other genetic and connective tissue disorders (n = 5). We reviewed baseline demographics, including coronal and sagittal radiographic profiles. The changes in major curve magnitude, pulmonary function tests (PFTs), and nutritional status were assessed between pre- and post-traction and immediate post-definitive corrective surgery.
Results
There were 11 male and 7 female patients, aged 18–69 years with their major coronal and sagittal curves being 92.0° ± 25.2° and 111.6° ± 40.1°, respectively. The major coronal and sagittal curves were reduced by 18.4% and 16.8% after halo-traction, and 54.7% and 44.2% after definitive fusion, respectively. PFTs showed significant increase in %FEV1 and %FVC when comparing pre- and post-traction [43.0% ± 17.4% vs. 49.6% ± 18.7%, and 44.8%. ± 16.7% vs. 54.3% ± 20.7%, respectively, p < 0.01 (n = 11)]. Effective weight gain was observed after traction (46.8 ± 14.5 vs. 49.3 ± 13.5 kg, p < 0.01).
Conclusion
Halo-gravity traction (HGT) for severe coronal and sagittal plane spinal deformity in adult patients significantly reduced Cobb angles, improved PFTs, and allowed for effective weight gain in the preoperative period. The use of preoperative HGT is extremely beneficial to optimize the alignment and overall health of severe adult spinal deformity patients before their spinal reconstruction.
Level of evidence
Level IV.
References
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TS (none), LGL (personal fees from Medtronic; grants and personal fees from DePuy-Synthes Spine; personal fees from K2M; nonfinancial support from Broadwater, Seattle Science Foundation, Stryker Spine, and The Spinal Research Foundation; grants and nonfinancial support from Scoliosis Research Society; grants from EOS and Setting Scoliosis Straight Foundation; personal fees from Fox Rothschild, LLC, and Quality Medical Publishing; other from Evans Family Donation and Fox Family Foundation; grants and nonfinancial support from AOSpine, outside the submitted work), MC (none), RAL (other from Medtronic, Stryker, and DePuy-Synthes Spine, outside the submitted work), SP (none), JAS (none).
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This study was approved by the institutional review board of Columbia University.
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Shimizu, T., Lenke, L.G., Cerpa, M. et al. Preoperative halo-gravity traction for treatment of severe adult kyphosis and scoliosis. Spine Deform 8, 85–95 (2020). https://doi.org/10.1007/s43390-019-00017-z
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DOI: https://doi.org/10.1007/s43390-019-00017-z