Internal carotid artery dissection triggered by the act of defecation

Background and purpose . Defecation can precipitate the onset of acute cardiovascular diseases.Case report. A 54 year-old woman presented 3 episodes of right brachiofacial weakness with left amaurosis after an intensive effort of defecation in a context of severe constipation. These neurological disorders were secondary to a left internal carotid artery dissection triggered by defecation.Conclusion . To the best of our knowledge, it’s the first description of an internal artery dissection induced by an effort of defecation.