Journal Club September 2017 - Angioedema

Journal Club September 2017 - Angioedema

Angioedema (non-pitting edema of submucosal tissues) results in infrequent, but high-risk emergency department visits. Since airway edema can make oropharyngeal and nasopharyngeal intubation impossible, our focus is on early and aggressive pharmacologic treatment to prevent life threatening airway obstruction. Recall that angioedema can come from two broad physiologic mechanisms: histamine mediated (ie allergic in nature which may have urticaria or other evidence of anaphylaxis) or bradykinin mediated (eg hereditary angioedema, ACE-induced angioedema). Histaminergic mediated typically responds well to aggressive antihistamines, steroids, and epinephrine. Bradykinin mediated, however, does not.  This month we focused on this type of angioedema that can be non-responsive to our typical first line therapies. 

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