ANALYZING THE PREOPERATIVE AND POSTOPERATIVE SPINOPELVIC PARAMETERS IN LENKE TYPE 1 ADOLESCENT IDIOPATHIC SCOLIOSIS PATIENTS.
Journal Title: Journal of Turkish Spinal Surgery - Year 2017, Vol 28, Issue 4
Abstract
Objective: To analyze the pre and postoperative changes of sagittal spinopelvic parameters in Lenke type 1AIS patients. Methods: Thirty Lenke 1 AIS patients evaluated retrospectively. Thoracic kyphosis, lumbar lordosis, pelvic incidence, sacral slope and pelvic tilt angles were measured on preoperative and last follow-up standing full-length lateral radiographs. Kolmogorov-Smirnov test was utilized to assess distribution of study parameters. Preoperative and postoperative results were compared with Wilcoxen Sum Rank test. p<0.05 considered as statistically significant. Results: There were 28 females and 2 males. Mean age was 13.4 years, mean follow-up was 38 months. Mean preoperative thoracic kyphosis, lumbar lordosis, pelvic incidence, sacral slope and pelvic tilt were 35.3°±11.9°, 50.8°±7.4°, 48.3°±8.5°, 33.4°±5.6°, and 15.5°±4.5°, respectively. Mean postoperative thoracic kyphosis, lumbar lordosis, pelvic incidence, sacral slope and pelvic tilt were 28.6°±4.6°, 46.3°±7.1°, °7.7±°34.3 ,°7.5±°49.5, and 7°.7±°15.2, respectively. Comparison of the preoperative and last follow-up thoracic kyphosis and lumbar lordosis showed that there is a significant difference statistically. However, there is no statistical difference between preoperative and last follow-up pelvic incidence, sacral slope and pelvic tilt. Conclusion: Lenke type 1 AIS thoracic structural curve and fusing the thoracic and lumbar region may change the spinopelvic parameters thus compensatory mechanisms should not be corrupted during the surgery.
Authors and Affiliations
Okan OZKUNT, Kerim SARIYILMAZ, Turgut AKGÜ, Fatih DIKICI, Ünsal DOMANIÇ
Keywords
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