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Pulmonary function improvement after vertebral column resection for severe spinal deformity.

David B Bumpass1, Lawrence G Lenke, Keith H Bridwell

  • 1*Department of Orthopaedic Surgery, Washington University, Saint Louis, MO †Department of Orthopaedic Surgery, Columbia University, New York, NY ‡Division of Biostatistics, Washington University, Saint Louis, MO; and §Department of Orthopaedic Surgery, Kyungpook National University, Daegu, South Korea.

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Summary
This summary is machine-generated.

Posterior-only vertebral column resection (PVCR) significantly improved pulmonary function in pediatric patients but not adults. Younger patients with spinal deformity and no prior surgery benefited most from PVCR.

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Area of Science:

  • Spinal surgery
  • Pulmonary function testing
  • Pediatric orthopedics

Background:

  • Pulmonary function after posterior-only vertebral column resection (PVCR) for severe spinal deformity remains understudied.
  • Previous research indicates impaired pulmonary performance following combined anterior/posterior fusion approaches.

Purpose of the Study:

  • To investigate the impact of PVCR on postoperative pulmonary function.
  • To test the hypothesis that PVCR improves pulmonary function and avoids pulmonary insults associated with combined approaches.

Main Methods:

  • Retrospective review of prospectively accrued data from 49 patients (27 pediatric, 22 adult) who underwent PVCR.
  • Serial pulmonary function tests (PFTs) were analyzed, including forced vital capacity (FVC) and forced expiratory volume in 1 second (FEV1).
  • Patients underwent either thoracic (T5-T11) or thoracolumbar (T12-L5) PVCR.

Main Results:

  • Pediatric patients showed significant increases in mean FVC (2.10-2.43 L) and FEV1 (1.71-1.98 L) post-PVCR.
  • Adult patients demonstrated no significant changes in FVC or FEV1 after PVCR.
  • In pediatric patients, improved PFTs correlated with younger age, angular kyphosis, no prior spine surgery, and preoperative halo-gravity traction.

Conclusions:

  • PVCR leads to modest but significant improvements in FVC and FEV1 in pediatric patients.
  • Adult patients undergoing PVCR did not experience significant pulmonary function improvements.
  • Improved pulmonary function post-PVCR is most likely in pediatric patients with growth potential for their lungs and thoracic cage.