Articles: low-back-pain.
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Randomized Controlled Trial
Minimal clinically important change for pain intensity, functional status, and general health status in patients with nonspecific low back pain.
Cohort study. ⋯ Reporting the percentage of patients who have made a MCIC adds to the interpretability of study results. We present a range of MCIC values and advocate the choice of a single MCIC value according to the specific context.
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Comparative Study
Effects of pelvic asymmetry and low back pain on trunk kinematics during sitting: a comparison with standing.
A prospective study was conducted on a group of patients with unilateral nonspecific low back pain (LBP) and healthy controls. ⋯ This study shows a link between pelvic asymmetry and altered trunk motion in sitting position. We suggest that people with LBP may have a distinct compensatory mechanism, secondary to pelvic asymmetry, which puts the lumbar spine under higher stress. Movement asymmetry, rather than range of motion, may be a better indicator of disturbed function for people with LBP. Structural and functional asymmetries are factors that may be considered in the seating design and work environment.
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Assessment of patients with complaints of low back or leg pain varies with the subspecialty of the treating physician. The evaluation of the spine patient may include magnetic resonance imaging (MRI), bone scan, or single-photon emission computed tomography (SPECT) imaging. The interpretation of these tests and the examiner's biases will impact the outcome of patient treatment and the cost to the health-care system. ⋯ MRI interpretation of the lumbar spine is comparable between specialties. Nuclear imaging studies (bone scan/SPECT) demonstrated a poorer correlation between examiners. The presence of MRI changes enables an accurate prediction of bone scan or SPECT scan findings. SPECT scan demonstrates an increased sensitivity in the detection of spinal abnormalities and the ability to localize a lesion when compared with planar bone scan.
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We collected the specimens of lumbar intervertebral disc (i.e., the symptomatic degenerative disc) from patients with discogenic low back pain to study the histopathologic features and growth factor expressions. ⋯ The findings indicated that degeneration of the painful disc might originate from the injury and subsequent repair of anulus fibrosus. Growth factors, such as bFGF and TGF-beta1, macrophages and mast cells might play a key role in the repair of the injured anulus fibrosus and subsequent disc degeneration.
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Psychometric testing of translated, culturally adapted questionnaire. ⋯ The EABPS-G is a valid, reliable, and responsive questionnaire for assessing health status and disability influenced by pain in one or more area of the spine and allows intercultural comparisons with the original English version. It could be used for assessment of current state as well as measurement for change.