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Rev Med Interne. 2018 Oct;39(10):772-776. doi: 10.1016/j.revmed.2018.04.014. Epub 2018 May 4.

[Tranexamic acid as first-line emergency treatment for episodes of bradykinin-mediated angioedema induced by ACE inhibitors].

[Article in French]

Author information

1
Service de dermatologie, centre hospitalier Le Mans, 194, avenue Rubillard, 72037 Le Mans, France. Electronic address: carolinebeauchene@yahoo.fr.
2
Service de dermatologie, centre hospitalier Le Mans, 194, avenue Rubillard, 72037 Le Mans, France.
3
Service de dermatologie, CHU d'Angers, 4, rue Larrey, 49100 Angers, France.

Abstract

INTRODUCTION:

Episodes of acquired bradykinin-mediated angioedema due to angiotensin-converting enzyme (ACE) inhibitors may result in fatal outcomes. There is no consensus regarding emergency pharmacological management of these episodes. Treatment options include icatibant and C1INH concentrate. Tranexamic acid is administered for moderate episodes. Its efficacy in the treatment of ACE inhibitor-induced episodes of angioedema is not established. The aim of this retrospective study is to assess the benefits of emergency tranexamic acid administration in the management of ACE inhibitor-induced episodes of angioedema.

METHODS:

Retrospective analysis of the medical files of patients who consulted between 2010 and 2016 in two French tertiary care hospitals for a bradykinic angioedema attributed to an ACE treatment. All of them had received tranexamic acid as a first line treatment.

RESULTS:

Thirty three patients who had experienced severe episode of angioedema were included. Twenty seven patients showed significant improvement when treated with tranexamic acid alone. The six remaining patients were treated with icatibant (5/33) or C1INH concentrate (1/33), due to partial improvement after tranexamic acid therapy. None of the patients were intubated, no fatalities were recorded and no side effects were reported.

CONCLUSION:

Tranexamic acid is an easily accessible and affordable therapy that may provide effective treatment for ACE inhibitor-induced episodes of angioedema. It may help while waiting for a more specific treatment (icatibant and C1INH concentrate) that is at times unavailable in emergency departments.

KEYWORDS:

Acide tranexamique; Angiotensin-converting enzyme inhibitors; Angiœdema; Angiœdème; Bradykinin; Bradykinine; Inhibiteur de l’enzyme de conversion de l’angiotensine; Tranexamic acid

PMID:
29735174
DOI:
10.1016/j.revmed.2018.04.014
[Indexed for MEDLINE]

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