ANALYZING THE PREOPERATIVE AND POSTOPERATIVE SPINOPELVIC PARAMETERS IN LENKE TYPE 3 AND TYPE 6 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 3 and 6 AIS patients. Methods: Thirty-two Lenke 3 and 6 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 27 females and 5 males. Mean age was 14 years, mean follow-up was 37 months. Mean preoperative thoracic kyphosis, lumbar lordosis, pelvic incidence, sacral slope and pelvic tilt were 38.3°±13.9°, 51.9°±9.4°, 49°±8.5°, 34.5°±6.2°, and 14.4°±6.9°, respectively. Mean postoperative thoracic kyphosis, lumbar lordosis, pelvic incidence, sacral slope and pelvic tilt were 26.4°±6.6°, 46.1°±7°, 49.7°±8.5°, 34.1°±5.7°, and 15.5°±6.7°, respectively. Preoperative and last follow-up thoracic kyphosis and lumbar lordosis comparison showed that there is a significant difference, however there is no difference in comparison preoperative and last follow-up pelvic incidence, sacral slope and pelvic tilt. Conclusion: Lenke type 3 and 6 AIS are double structural curves and fusing the thoracal and lumbar region may change the spinopelvic parameters thus compensatory mechanisms should not be corrupted during the surgery.
Authors and Affiliations
Kerim SARIYILMAZ, Okan ÖZKUNT, Turgut AKGÜL, Fatih DIKICI, Ünsal DOMANIÇ
Keywords
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