European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society
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As accurate and reproducible measurements of spinal curvature are crucial in the examination of patients with adolescent idiopathic scoliosis (AIS), this systematic review aims to report on the reliability and validity of a range of inexpensive and easily administered anthropometric methods of postural asymmetry measurement in an AIS population, to inform practice in a clinical setting. ⋯ Overall, strong levels of evidence exist for iPhone and scoliometer measurements, with a high to very high reliability and moderate to very high validity. Moderate levels of evidence exist for scoliometer with mathematical formula and clinical examination with moderate and low validity, respectively. Limited evidence exists for aesthetic tools TRACE and AI and 2D photography. These results indicate there are accurate and reproducible anthropometric measures that are inexpensive and applicable in therapy settings to assess postural asymmetry; however, these only exist for measurement in the transverse plane, despite 3D characteristics of AIS. Further research is required into an inexpensive and easily administered method that can assess postural asymmetry in all anatomical planes.
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Randomized Controlled Trial
Selection of distal fusion level in posterior instrumentation and fusion of Scheuermann kyphosis: is fusion to sagittal stable vertebra necessary?
Distal junctional kyphosis (DJK) is a major instrumentation-related complication after the surgical correction of Scheuermann kyphosis (SK). The exact criteria to avoid DJK have been controversial. It has been recommended to include the SSV into the fusion by some authors, while others suggest that fusion to FLV is sufficient. The purpose of this study was to investigate the occurrence of DJK in relation to distal fusion level selection in SK surgery by investigating the relationship between the sagittal stable vertebra (SSV), first lordotic vertebra (FLV), and the lowest instrumented vertebra (LIV). ⋯ Proper selection of distal fusion level is important in order to prevent DJK after SK surgery. According to this study, it is not necessary to extend the fusion down to the SSV. Fusion to FLV is sufficient and saves a level.
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Low back pain (LBP) is common already in adolescence, and many risk indicators including both psychosocial and lifestyle factors have been recognized. Our purpose was to assess whether the co-occurrence of psychosocial (externalizing and internalizing) problems and lifestyle factors (leisure time physical activity, sedentary behaviour, sleep, smoking, and overweight/obesity) associate with LBP at 16 years cross-sectionally or with new LBP at 18-year follow-up. ⋯ Our results stress the role of psychosocial factors in reporting and seeking care for adolescent LBP.
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Comparative Study
Comparison of spinal deformity in children with Chiari I malformation with and without syringomyelia: matched cohort study.
To describe curve patterns in patients with Chiari malformation I (CIM) without syringomyelia, and compare to patients with Chiari malformation with syringomyelia (CIM + SM). ⋯ In the largest series specifically evaluating CIM and scoliosis, we found that these patients appear to present with fewer atypical curve features, with less severe scoliotic curves, fewer apex left curves, and fewer related neurological abnormalities than CIM + SM. Notably, equivalent thoracic kyphosis was observed in both groups. Future studies are needed to better understand pathogenesis of spinal deformity in CIM with and without SM.
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Comparative Study
Comparison between Oxford Cobbmeter and digital Cobbmeter for measurement of Cobb angle in adolescent idiopathic scoliosis.
The purpose of this study was to compare Cobb angle measurements performed using an Oxford Cobbmeter and digital Cobbmeter in a series of 20 adolescent idiopathic scoliosis (AIS) patients. ⋯ We conclude that the smart phone with integrated Tiltmeter and Cobbmeter application is an equivalent Cobb measurement tool to the Oxford Cobbmeter. The advantages of smart phone are the accuracy of determining the most inclined vertebrae and accordingly more precise Cobb angle measurement. The new smart phones with these integrated applications may be really helpful to the spine surgeons, especially in hospitals where PACS or Oxford Cobbmeter is not available.