[Recurrent abdominal pain and ascites in patients suffering from congenital angioedema due to C1 inhibitor deficiency. Retrospective analysis].

The aim of the study was the estimation of diagnostic value abdominal ultrasonography in recurrent attacks the patients suffering from hereditary angioedema. The retrospective analysis was done in 150 patients with C1 inhibitor deficiency and abdomen attack of angioedema connected with this. In 55 patients severe 2-3 days longlasting abdomen attacks with nausea, diarrhoea and weakening were the first symptoms of the illness and causing particular diagnostic problem. In 95 remaining patients abdomen attack appeared in the course of illness manifesting external angioedema of hands, feets, face, genitalia or larynx. The frequency of abdominal attacks was different from 1-15/year. Diagnostic problem was the reason of laparotomy in 19.3% of patients which did not explain the reason of symptoms. Only in 23 % of patients US of abdomen was done, which revealed the presence of ascites, which disappeared together with abdomen symptoms. US often allowed to show the place of regional angioedema usually in the most cases in intestine wall.