May 1, 2016
Does anything work to reverse angioedema? If it's hereditary, then icatibant may do the trick. Otherwise, there's not much out there. Fresh frozen plasma (FFP) has it's place in angioedema lore as something that works, but the evidence in its favor is a series of case reports. Emergency physician and angioedema researcher Gentry Wilkerson gives a State of the Union on the known knowns and known unknowns of this sometimes mysterious disease.
Cicardi, Marco, et al. "Guidance for diagnosis and treatment of acute angioedema in the emergency department: consensus statement by a panel of Italian experts." Internal and emergency medicine 9.1 (2014): 85-92. Link
Bowen, Tom, et al. "2010 International consensus algorithm for the diagnosis, therapy and management of hereditary angioedema." Allergy, Asthma & Clinical Immunology 6.1 (2010): 1-13. Link
Chiu, Alexander G., et al. "Angiotensin-converting enzyme inhibitor-induced angioedema: a multicenter review and an algorithm for airway management." Annals of Otology, Rhinology & Laryngology 110.9 (2001): 834-840. Link
Hassen, Getaw Worku, et al. "Fresh frozen plasma for progressive and refractory angiotensin-converting enzyme inhibitor-induced angioedema." The Journal of emergency medicine 44.4 (2013): 764-772. Link