OBJECTIVE: To evaluate the potential usefulness of online educational videos for knee arthroscopy patients. METHODS: Prospective multicenter randomized study with 105 patients. Three educational videos for patients were made and uploaded on to a web page: (1) isometric exercise, (2) heparin subcutaneous administration, (3) bandages and wound care. A multicenter study of 105 knee arthroscopy patients that were internet users. Randomized to 2 groups. Group A (48 patients) was invited watch videos on a web page. Group B (57 patients) was not. Both groups completed a 34 items questionnaire. RESULTS: As a whole, group A got more correct answers (85%), less incorrect (13.2%), and less blank answers (1.6%) than group B (respectively, 79.9, 16.9 and 3.1%, p < 0.001). Group A had mean of 1.8 more correct answers than group B, and a 5.28% higher probability to give a correct answer to a question. There were significant differences in number of correct answers between patient populations (p < 0.0001). CONCLUSIONS: The group of patients that were invited to watch the Internet videos had better knowledge of self-care than those who where not invited. LEVEL OF EVIDENCE: Therapeutic study. Prospective randomized non-blinded comparative study, level II. CLINICAL RELEVANCE: This study demonstrates that the internet may be a useful channel to enhance patient knowledge of self-care techniques.

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