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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To estimate the heritability of scoliosis in the Swedish Twin Registry. ⋯ Using self-reported data on scoliosis from the Swedish Twin Registry, we estimate that 38% of the variance in the liability to develop scoliosis is due to additive genetic effects and 62% to unique environmental effects. This is the first study of sufficient size to make heritability estimates of scoliosis.
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Gout is a common metabolic disease characterized by the development of arthritis and nephropathy related to the deposition of monosodium urate crystals within the joints, periarticular tissues, skin and kidneys. Tophus formation seen around the spinal column is very rare, while occurrences of spinal gout tophus without systemic gout disease are much more unique. In our study, we report a spinal gout case that presented with right sciatica without previous history of systemic gout disease.
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The aim of this study was to investigate whether or not post-op curve behaviour differs due to different choices of lowest instrumented vertebra (LIV) with reference to lumbar apical vertebra (LAV) in Lenke 3C and 6C scoliosis. ⋯ In conclusion, in Lenke 3C and 6C scoliosis, post-op lumbar curve behaviour differs due to different choices of LIV with reference to LAV, that is, the deviation of lumbar curve improves when the LIV is either at or below the LAV but deteriorates when the LIV is above the LAV. Although the greatest correction occurs when the LIV is below the LAV, choosing LAV as LIV can still be the optimal option in certain cases, since it can yield similar correction while preserving more lumbar mobility and growth potential.
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Case Reports
Congenital kypho-scoliosis: a case of thoracic insufficiency syndrome and the limitations of treatment.
Congenital spinal vertebral anomalies may present with deformity resulting in congenital scoliosis and kyphosis. This leads to abnormal spinal growth. The latter when combined with associated rib fusions may impair normal thoracic cage development and resultant pulmonary hypoplasia. Most congenital scoliosis can be detected in utero by ultrasound scan or recognized in the neonatal period, but a few spinal defects can remain undetected. ⋯ This article highlights the features of congenital kypho-scoliosis and TIS. The difficulties of treating kyphosis when combined with TIS are discussed together with the limitations of current surgical techniques.
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Comparative Study
A comparative study of axis-line-distance technique and Cobb method on assessing the curative effect on scoliosis.
To compare the axis-line-distance technique (ALDT) and Cobb method for therapeutic evaluation of scoliosis. ⋯ The ALDT is better than the Cobb method for therapeutic evaluation of scoliosis during treatment and at follow-up visits.