Improvement in Pulmonary Function of Chronic Obstructive Pulmonary Disease (COPD) Patients With Osteoporotic Vertebral Compression Fractures (OVCFs) After Kyphoplasty Under Local Anesthesia

To investigate the changes in respiratory function of COPD patients with osteoporotic vertebral compression fractures (OVCFs) after kyphoplasty (KP). Pain scores, pulmonary function parameters (PFT), and local kyphotic angle (LKA) were measured in 31 older patients (25women, 6men) withOVCFs before, 3 days after and 3months after kyphoplasty. The preoperative and postoperative (3 days, 3 months) PFT parameters were as follows: % pred FVC, 74.33 +/- 12.35, 85.23.8 +/- 13.23, and 84.86 +/- 14.01; % pred FEV1, 60.23 +/- 11.2, 60.02 +/- 11.90, and 60.78 +/- 12.70; FEV1/FVC ratio (%), 68.22 +/- 16.74, 59.56 +/- 13.23, and 60.77 +/- 12.28, % pred MVV 52.46 +/- 14.37, 55.23 +/- 15.68, and 62.12 +/- 14.48, respectively. The preoperative meanVAS score was 8.01 +/- 1.41 and significantly decreased to 2.52 +/- 0.89 and 2.34 +/- 0.78 at 3 days, 3months after kyphoplasty, respectively. The preoperative local kyphotic angle degree was 21.96 +/- 5.75 degrees, significantly decreased to 13.48 +/- 6.128 degrees 3 days after KP, and maintained 3 month after KP. The decrease in the VAS scores correlated with the PFT parameters; however, there were no significant correlations between the PFT parameters and the LKA, theVASscores and the LKA. Kyphoplasty under local anesthesia is a safety treatment for the COPD patients with OVCFS, and is able to improve the lung function impaired by OVCFs.