Articles: low-back-pain.
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Randomized Controlled Trial Multicenter Study Comparative Study Clinical Trial
Functional restoration versus outpatient physical training in chronic low back pain: a randomized comparative study.
A randomized parallel-group comparative trial with a 1-year follow-up period was performed. ⋯ It may be that lower economic benefits during sick leave in the United States lead to favorable results from functional restoration programs, whereas greater benefits in Canada, Finland, and Denmark result in different conclusions. Finally, it may be that the difference in results across studies points simply to whether the studies were randomized.
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Arch Phys Med Rehabil · Oct 2000
Randomized Controlled Trial Comparative Study Clinical TrialDisability measurement in persons with back pain: a validity study of spinal range of motion and velocity.
To evaluate the criterion validity and responsiveness to change of spine kinematic variables to assess disability in patients with low back pain. ⋯ Spine kinematics during flexion and extension of the trunk do not appear to be a valid measure of disability in patients with subacute and chronic back pain.
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Comparative Study
Patient characteristics and patterns of use for lumbar spine radiographs: results from the Veterans Health Study.
Longitudinal data from the Veterans Health Study, an observational study of male patients receiving Veterans Administration ambulatory care, were analyzed. ⋯ Both physical and psychological factors contribute to having new radiographic examinations, whereas psychological factors have increased importance in the repeat use of roentgenographic examinations. Repeat radiographs appear to be overused, judging by the severity of physical impairment as measured by low back pain intensity, the Medical OutcomeStudy Short Form Health Survey, and disability days.
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Degenerative processes in the disc and facet joints affect the stability of the motion segment. The exact relations among disc degeneration, facet joint osteoarthritis, and the kinematics of the motion segment are not well defined in the literature. Magnetic resonance imaging and functional radiography of the lumbar spine were analyzed to examine the relations among segmental instability, facet joint osteoarthritis, and disc degeneration in patients with degenerative disorders of the lumbar spine. ⋯ Abnormal tilting movement on flexion and anteroposterior translatory instability both had negative associations with facet joint osteoarthritis. However, anterior translatory instability was positively associated with disc degeneration and facet joint osteoarthritis. Rotatory instability in the sagittal plane and posterior translatory instability were not associated with disc degeneration and facet joint osteoarthritis.
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The incidence of staphylococcal infection has been increasing during the last 20 years. ⋯ A 45-year-old-man, without addictions and without known previous cardiopathy, was diagnosed as having definitive acute bacterial endocarditis due to Staphylococcus aureus. Its etiology was community-acquired, arising from a non-apparent primary focus. In addition, the musculoskeletal symptoms preceded the infective endocarditis (IE) by about 1 month, which occurred together with other symptoms, e.g. mycotic aneurysms and petechiae. Later, the patient showed perforation of the mitral valve and moderate mitral insufficiency with clinical control.