Angioedema Clinical Trial
Official title:
Determination of Specific Biomarkers of Angioneurotic Crisis
Diagnosis of angioedema (AE) is difficult especially in emergency room. Two forms should be
evoked: histaminic AE (allergic or not, which represent 95% of cases) and bradykinic AE
(hereditary or acquired deficiency, with or without C1 Inhibitor) rarer but with more severe
prognosis. The distinction is based on clinical features (spontaneous crisis duration,
presence of concomitant hives, atopic history...). Sometimes it could be difficult to make
the difference. Nowadays, there is no biological marker of the crisis. The search for
biomarkers could improve the diagnostic and therapeutic management of AE. Previous work has
identified targets: D-dimer, C4, and VE-cadherin. We wanted to know the sensitivity and
specificity of these markers.
We conducted a prospective study evaluating the D-dimer assays, complement and VE-cadherin
during an episode of AE. Three groups of patients were tested: bradykinic AE (peripheral or
abdominal attacks), histaminic AE, and abdominal pain (non-bradykinic and non-histaminic
etiology) at the time (day 0) and at distance from the crisis (D7).
n/a
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