Frequência de publica？？o de trabalhos científicos apresentados no 9o Congresso Brasileiro de Dor

background and objectives: scientific meetings are critical for discussion and spread of knowledge arising from research and clinical practice analyses. this study aimed at establishing the publication rate of papers approved as free papers and posters during the 9th brazilian congress on pain and at evaluating their characteristics. method: retrospective cohort study using descriptive statistics, which has evaluated the abstracts presented during the above-mentioned congress. after querying medline/pubmed, scielo, lilacs and academic google databases, publication rate and characteristics of published papers were examined: journal name, publication year, language, institution of origin, paper category, authors and co-authors. results: from 348 abstracts, 31 (8.9%) were published and most came from brazilian institutions (90.32%). papers were published in 21 journals being most common the "original article" category (83.87%). mean time between the holding of the congress and papers publication was 6.7 ± 3 months, with median of 6.9 months. conclusion: the rate of published papers (8.9%) identified in this study is much lower than the international mean, indicating that participants of scientific meetings should be encouraged to publish their papers.