Selim Ayhan1, Bilal Aykac1, Selcen Yuksel2, Umit Ozgur Guler1, Ferran Pellise3, Ahmet Alanay4, Francisco Javier Sanchez Perez-Grueso5, Emre Acaroglu6. 1. Ankara Spine Center, Iran Caddesi 45/2, Kavaklidere, Cankaya, Ankara, 06700, Turkey. 2. Department of Biostatistics, Yildirim Beyazit University, Ankara, Turkey. 3. Hospital Universitari Vall d'Hebron, Barcelona, Spain. 4. Acibadem Maslak Hospital, Istanbul, Turkey. 5. Hospital Universitari La Paz, Madrid, Spain. 6. Ankara Spine Center, Iran Caddesi 45/2, Kavaklidere, Cankaya, Ankara, 06700, Turkey. acaroglue@gmail.com.
Abstract
PURPOSE: Spinal surgery for adult spinal deformity (ASD) may require the use of osteotomies, which may have high complication rates (up to 80 %). These may be expected to affect health-related quality of life (HRQOL) in the early postoperative phase but little is known about the clinical course of these patients in the first year following surgery. The aim of the study is to evaluate the radiological results and HRQOL in patients undergoing a spinal osteotomy for ASD within the first year following surgery with special reference to the effect of complications. METHODS: From a prospective multicenter ASD database, patients who had undergone a Smith-Petersen osteotomy (SPO), pedicle substraction osteotomy (PSO), vertebral column resection (VCR) or any combination of these were reviewed for radiological sagittal alignment parameters [sagittal vertical axis (SVA), global tilt, lumbar lordosis, T2-sagittal tilt (ST)] as well as HRQOL [Oswestry Disability Index (ODI), short form-36 items (SF-36) Physical Component Score (PCS), SF-36 mental CS (MCS), Scoliosis Research Society (SRS)-22 questionnaire (SRS-22) subtotal] preoperatively and at the 6th- and 12th-month follow-ups with special reference to complications classified as major (life threatening or requiring additional surgery) and minor and their effects on HRQOL. RESULTS: 121 patients (85 F, 36 M) with a total of 71 SPOs, 45 PSOs and 13 VCRs were evaluated. Osteotomy resulted in correction of the major coronal Cobb angle from 43.0 ± 3.7° to 24.8 ± 2.8° (p < 0.001) and the SVA from 69.0 ± 10.3 to 52.4 ± 6.6 mm (p = 0.001). Other radiological parameters showed no significant changes. Remarkable improvements in HRQOL scores with a strong age effect (p ≤ 0.01), for all instruments except SF-36 MCS, were found. Most of these HRQOL improvements have been achieved within the first 6 months. A total of 114 complications (59 major, 55 minor) that had a lesser effect on the age-adjusted HRQOL scores (p < 0.05) (except for the SF-36 PCS) and 1 death were observed. CONCLUSIONS: Osteotomies were moderately effective in radiological improvement but resulted in a significant increase in HRQOL. They were associated with a high rate of complications but these had no/minimal effect on the clinical outcome. Contrary to the general perception, the greatest improvements in HRQOL were seen to take place during the first 6 months after surgery, even in the presence of complications.
PURPOSE: Spinal surgery for adult spinal deformity (ASD) may require the use of osteotomies, which may have high complication rates (up to 80 %). These may be expected to affect health-related quality of life (HRQOL) in the early postoperative phase but little is known about the clinical course of these patients in the first year following surgery. The aim of the study is to evaluate the radiological results and HRQOL in patients undergoing a spinal osteotomy for ASD within the first year following surgery with special reference to the effect of complications. METHODS: From a prospective multicenter ASD database, patients who had undergone a Smith-Petersen osteotomy (SPO), pedicle substraction osteotomy (PSO), vertebral column resection (VCR) or any combination of these were reviewed for radiological sagittal alignment parameters [sagittal vertical axis (SVA), global tilt, lumbar lordosis, T2-sagittal tilt (ST)] as well as HRQOL [Oswestry Disability Index (ODI), short form-36 items (SF-36) Physical Component Score (PCS), SF-36 mental CS (MCS), Scoliosis Research Society (SRS)-22 questionnaire (SRS-22) subtotal] preoperatively and at the 6th- and 12th-month follow-ups with special reference to complications classified as major (life threatening or requiring additional surgery) and minor and their effects on HRQOL. RESULTS: 121 patients (85 F, 36 M) with a total of 71 SPOs, 45 PSOs and 13 VCRs were evaluated. Osteotomy resulted in correction of the major coronal Cobb angle from 43.0 ± 3.7° to 24.8 ± 2.8° (p < 0.001) and the SVA from 69.0 ± 10.3 to 52.4 ± 6.6 mm (p = 0.001). Other radiological parameters showed no significant changes. Remarkable improvements in HRQOL scores with a strong age effect (p ≤ 0.01), for all instruments except SF-36 MCS, were found. Most of these HRQOL improvements have been achieved within the first 6 months. A total of 114 complications (59 major, 55 minor) that had a lesser effect on the age-adjusted HRQOL scores (p < 0.05) (except for the SF-36 PCS) and 1 death were observed. CONCLUSIONS: Osteotomies were moderately effective in radiological improvement but resulted in a significant increase in HRQOL. They were associated with a high rate of complications but these had no/minimal effect on the clinical outcome. Contrary to the general perception, the greatest improvements in HRQOL were seen to take place during the first 6 months after surgery, even in the presence of complications.
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