Objective: To compare the knowledge of the nurses about the diabetic foot before and after the educational intervention.
Method: Quasi-experimental study, before-and-after type, carried out with 53 nurses, from March to June 2016, in the municipality of Campina Grande, Paraíba. The Questioning Methodology was used to develop the educational intervention. Knowledge was investigated using an instrument designed by the researchers. For data analysis before and after the intervention, the McNemar and Wilcoxon tests were performed.
Results: The knowledge of the nurses about the diabetic foot turned out to be deficient, with a mean of correct answers in the pre-test of 23.8 (SD±12.8) and after 41.9 (SD±9,2), with a statistically significant difference (p<0.01).
Conclusion: It was verified a significant increase in the knowledge after the intervention, highlighting the items related to evaluate the loss of plantar protective sensitivity, essential for the prevention of diabetic foot.