Health-related quality of life outcomes in adolescent Scheuermann's kyphosis patients treated with posterior spinal fusion: A comparison with age- and sex-matched controls

• To assess the health-related quality of life and radiographic outcomes of surgically treated adolescent Scheuermann’s kyphosis patients after minimum of 2-year follow-up and to compare the health-related quality of life with age- and sex-matched healthy controls. Methods: Twenty-two consecutive adolescents (mean age = 16.7 years) undergoing posterior spinal fusion for Scheuermann’s kyphosis were included and matched by age and sex with two healthy controls. The health-related quality of life was evaluated using the Scoliosis Research Society-24 questionnaire. Radiographic parameters were measured for comparison preoperatively and at 6 months and 2-year follow-ups. The health-related quality of life parameters were compared with healthy controls at 2 years of follow-up. Results: The mean maximal thoracic kyphosis improved from 79° (range = 75°–90°) to 55° (range = 45°–75°) ( p < 0.001), and the mean lumbar lordosis was reduced from 71° (range = 51°–107°) to 52° (range = 34°–68°) ( p < 0.001) after 2 years postoperatively. Incidence of proximal junctional kyphosis (PJK) was 18%. The scores of the Scoliosis Research Society-24 improved, with statistical significance observed in pain and self-image domains from preoperative to 2-year follow-up ( p = 0.002 in both domains). The self-image and function were significantly lower in the operated patients at their 2-year follow-up visit compared to controls ( p = 0.023 for self-image and p < 0.001 for function). Conclusion: Instrumented posterior spinal fusion improves the health-related quality of life of Scheuermann’s kyphosis patients during the 2-year follow-up. The greatest improvement is observed in pain and self-image domains. The health-related quality of life in pain and activity domains reaches the level of healthy individuals, while function and self-image remain at a statistically lower level.

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