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The quality of a randomized controlled trials on neurosurgery published in Brazil Background: The randomized clinical trial is defined as a prospective study witch compares effects and the value of interventions on human beings, involving one or more groups over at least one control group, with randomized allocation of participants and using measures to prevent bias. The quality of a randomized controlled trial is defined as probability to ensure results without biases in a trial and that to come near to reality. Objective: To evaluate the quality of randomized controlled trials published on neurosurgery in Brazil. Methods: This is a transversal and descriptive study; inclusions criteria: original article of randomized clinical trial; exclusions criteria: experimental studies, laboratory studies, observational studies. Results: In 183 published articles, 15% (27/183) were classified as original articles. There were no randomized clinical trials identified. Among the original articles 63% (17/27) were classified as transversal (incidence/prevalence) studies, 30% (8/27) as coort studies, 4% (1/27) as accuracy studies and 4% (1/27) as meta-analysis. Conclusion: After criteriously and manual search there were not found randomized clinical trials on neurosurgery published in Brazil.

Qualidade dos ensaios clínicos aleatórios em neurocirurgia publicados no Brasil