Spine
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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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Case Reports Multicenter Study Comparative Study
Deep wound infections after neuromuscular scoliosis surgery: a multicenter study of risk factors and treatment outcomes.
A retrospective case-control study evaluating risk factors for infection, causative organisms, and results of treatment in patients with cerebral palsy or myelomeningocele who underwent fusion for scoliosis was performed. ⋯ Patients with cerebral palsy or myelomeningocele who have severe cognitive impairment, and those who received allograft may be at increased risk for infection. Infections are more often polymicrobial and caused by gram-negative organisms than is typical for elective orthopedic procedures. This suggests an enteric source. Treatment with debridement and closure was not always successful. Patients in whom infection develops are then at increased risk for pseudarthrosis.