Spine
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A prospective cohort study with 1-year follow-up. ⋯ The incidence, especially for NSP, is much lower than from developed countries. To study prevalence, incidence and recurrence of LBP and NSP simultaneously leads to a better understanding of the natural pattern and distribution of LBP and NSP in a working population.
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Randomized Controlled Trial Comparative Study
Effectiveness of microdiscectomy for lumbar disc herniation: a randomized controlled trial with 2 years of follow-up.
Prospective randomized controlled trial. ⋯ Lumbar microdiscectomy offered only modest short-term benefits in patients with sciatica due to disc extrusion or sequester. Spinal level of the herniation may be an important factor modifying effectiveness of surgery, but this hypothesis needs verification.
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Randomized Controlled Trial Comparative Study
Optimal end-tidal concentration of sevoflurane to test an ankle clonus in children.
A prospective randomized study on the end-tidal concentrations of sevoflurane at which ankle clonus existed. ⋯ The ankle clonus should be tested at 0.45% volume of end-tidal sevoflurane concentration in children undergoing scoliosis surgery during emergence from the general anesthesia.
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Comparative Study
A relook into the association of the estrogen receptor [alpha] gene (PvuII, XbaI) and adolescent idiopathic scoliosis: a study of 540 Chinese cases.
A genetic association study of estrogen receptor-[alpha] gene (ESR1) with adolescent idiopathic scoliosis (AIS) in Chinese. ⋯ The previously reported association with curve severity could not be replicated in our large series of Chinese AIS patients. The current study also did not show any association of the 2 SNPs with increased risk of having AIS.
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Prospective observational study. ⋯ These results show that patients with chronic low back pain should be encouraged to continue working up until surgery.