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Year : 2021  |  Volume : 13  |  Issue : 1  |  Page : 17-20

The coronal and sagittal parameters before and after posterior spinal fusion with all pedicle screw construct in adolescent idiopathic scoliosis (AIS) patients and comparing their health-related outcomes through SRS-22 questionnaire

Department of Orthopaedics and Traumatology, Chinese University of Hong Kong, Hong Kong SAR, China

Correspondence Address:
Dr. Alec Lik-Hang Hung
Department of Orthopaedics and Traumatology, Chinese University of Hong Kong, Hong Kong SAR
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jotr.jotr_43_19

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Background: Sagittal balance in severe androgen insensitivity syndrome (AIS) patient has been difficult to study due to problems with imaging technique. Abnormal sagittal profiles have been frequently observed in AIS patients presenting as cervical kyphosis, thoracic hypokyphosis, and positive sagittal vertical axis (SVA) off set. The significance of these changes is not understood in these patients. The purpose of this study is to assess the sagittal profile of AIS patients before and after surgery. Subjects and Methods: Changes in curve correction in both coronal and sagittal planes before and after surgery. Curve type, Cobb angles, sagittal parameters, and fusion level were analyzed with conventional parameters. Patient outcomes were measured using mobile device friendly Scoliosis Research Society-22 questionnaire online. Results: Fourteen patients were recruited. Average age was 16 years (13–36). Postoperation and final follow-up Cobb angles were reduced to 27°, 26°, and 16° and 29°, 28°, and 16°, respectively. In the sagittal plane, the Cobb angles pre- and postoperation and final follow-up are as follows: Cervical lordosis (36.7, 39.1, and 41.9), thoracic kyphosis (33.1, 35.8, and 39.1), lumbar lordosis (51.1, 45.2, and 54.2), SVA (1.3, 1.6, and 0), pelvic tilt (19, 21, and 18), sacral slope (47, 46, and 55), and pelvic tilt (43.7, 45, and 43.5). “Function”, “satisfaction,” and “mean” were significantly improved over the period, particularly between the last seen visit and before surgery. Conclusions: Abnormal coronal and sagittal parameters and their changes after surgery are reported in AIS patients. Patients expressed significant improvements in their function abilities and satisfied with clinical management, as well as their general quality of life.

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