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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The objective of this study was to test the correlation between the apex of lumbar lordosis (LLA) and pelvic incidence (PI) in asymptomatic adults, and to establish predictive formulae based on the PI to obtain the reference values of lumbar sagittal parameters. ⋯ The PI has strong correlations with the LLA, LAPL, LL, LLUA and LLLA, which demonstrates that the specific lumbar shape can be affected by the pelvic morphology. Moreover, predictive models for ideal lumbar sagittal parameters based on the PI have been developed, contributing to the design of precise and individualized preoperative plans. These slides can be retrieved under Electronic Supplementary Material.
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This retrospective study aimed to determine the efficacy of an integrated active, rehabilitation protocol in patients ≥ 65 years of age with chronic mechanical low back pain and compare the results in similar patients in 50-64 years age group. ⋯ Although mean NPRS and ODI scores achieved were significantly better in patients of 50-64 years of age, our integrated active, rehabilitation protocol helped achieve significant improvement in NPRS score, MCID thresholds for NPRS and ODI scores and treatment outcomes in patients ≥ 65 years of age, similar to patients in the 50-64 years of age group, at the end of 3 months of treatment. These slides can be retrieved under Electronic Supplementary Material.
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To investigate the relationship between relative location of the sacral base and spinal alignment in standing healthy adult volunteers. ⋯ The center of the sacral base is normally located 3.8 ± 0.8 cm caudal to the cranial vertex of the iliac crest. The sacral base was located more caudally in men than in women, regardless of age. The more caudal the sacral base, the angle of the spino-pelvic parameters (TK, LL, PI, SS) progressively increases along with a decrease in the sacro-acetabular distance (Pth). Pelvic tilt did not correlate with the location of the sacrum.
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To analyze pelvic compensation during walking in patients with severe sagittal plane deformity by using motion analysis. ⋯ Higher BMI, height, and weight are risk factors for progressive worsening of dynamic sagittal imbalance. These slides can be retrieved under Electronic Supplementary Material.
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Numerous candidate genes and single-nucleotide polymorphisms (SNPs) have been identified in the background of lumbar disc degeneration (LDD). However, in most of these underpowered studies, definitions of LDD are inconsistent; moreover, many of the findings have not been replicated and are contradictory. Our aim was to characterize LDD by well-defined phenotypes and possible endophenotypes and analyse the association between these and candidate vitamin D receptor (VDR) gene polymorphisms on a large (N = 1426) dataset. ⋯ Understanding relationships between phenotype and gene variants is crucial for describing the pathways leading to the multifactorial, polygenic degeneration process and LDD-related conditions. These slides can be retrieved under Electronic Supplementary Material.