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Preoperative Pulmonary Function in Patients With Operative Scheuermann Kyphosis
Gaurav Abbi1, Baron S Lonner1, Courtney S Toombs1
1Department of Orthopaedics, New York University Hospital for Joint Diseases, 820 Second Avenue, New York, NY 10017, USA.
Spine Deformity
|December 9, 2016
Summary
Scheuermann kyphosis (SK) significantly impacts pulmonary function, with greater kyphosis magnitude correlating with reduced lung capacity. Surgical patients with severe kyphosis face higher risks of pulmonary impairment.
Area of Science:
- Orthopedics
- Pulmonology
- Spine Surgery
Background:
- Pulmonary function in Scheuermann kyphosis (SK) is not well understood.
- Previous research on adolescent idiopathic scoliosis indicates curve magnitude and vertebral involvement affect lung function.
Purpose of the Study:
- To assess the effect of SK on preoperative pulmonary function.
- To identify radiographic factors predicting pulmonary impairment in SK patients.
Main Methods:
- A prospective, multicenter study of 64 surgical SK patients.
- Preoperative pulmonary function tests (FVC, FEV1, TLC) were analyzed.
- Patients were grouped by kyphosis apex and magnitude; correlation analysis was performed.
Main Results:
- Reduced forced vital capacity (FVC) was observed in patients with kyphosis >80° compared to those with 71°-80° curves.
- Greater kyphosis magnitude correlated with decreased FVC.
- Pulmonary impairment increased with kyphosis severity, reaching 50% in curves >90°.
Conclusions:
- Kyphosis magnitude is a significant predictor of preoperative pulmonary impairment in SK.
- Radiographic assessment of kyphosis severity is crucial for evaluating pulmonary risk in surgical candidates.
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