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International Journal of Otolaryngology - Volume 2017 2017, Article ID 1476402, 7 pages -

Research Article

Department of Otorhinolaryngology, Head and Neck Surgery and Audiology, Rigshospitalet, University of Copenhagen, København, Denmark

Department of Medical Sciences, Clinical Pharmacology and Science for Life Laboratory, Uppsala University, Uppsala, Sweden

Department of Dermatology and Allergy Centre, Odense University Hospital, Odense, Denmark

Correspondence should be addressed to Eva Rye Rasmussen

Received 9 October 2016; Revised 19 December 2016; Accepted 18 January 2017; Published 14 February 2017

Academic Editor: David W. Eisele

Copyright © 2017 Eva Rye Rasmussen et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Objective. To asses a cohort of 105 consecutive patients with angiotensin converting enzyme-inhibitor induced angioedema with regard to demographics, risk factors, family history of angioedema, hospitalization, airway management, outcome, and use of diagnostic codes used for the condition. Study Design. Cohort study. Methods. This was a retrospective cohort study of 105 patients with angiotensin converting enzyme-inhibitor induced angioedema in the period 1995–2014. Results. The cohort consisted of 67 females and 38 males F : M ratio 1.8, with a mean age of 63 range 26–86 years. Female gender was associated with a significantly higher risk of angiotensin converting enzyme-inhibitor induced angioedema. 6.7% had a positive family history of angioedema. Diabetes seemed to be a protective factor with regard to angioedema. 95% experienced angioedema of the head and neck. 4.7% needed intubation or tracheostomy. 74 admissions took place during the study period with a total of 143 days spent in the hospital. The diagnosis codes most often used for this condition were -DT783 Quincke’s oedema- and -DT78.4 Allergy unspecified-. Complement C1 inhibitor was normal in all tested patients. Conclusion. Female gender predisposes to angiotensin converting enzyme-inhibitor induced angioedema, whereas diabetes seems to be a protective factor.

Autor: Eva Rye Rasmussen, Christian von Buchwald, Mia Wadelius, Sumangali Chandra Prasad, Shailajah Kamaleswaran, Kawa Khaled Ajgeiy



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