Table 1 The trigger factors of HAE attacks, ranked by frequency
From: The influence of trigger factors on hereditary angioedema due to C1-inhibitor deficiency
Trigger factor | Number of involved patients (Σn = 92) |
|---|---|
Physical exertion | 66 |
Mental stress | 55 |
Mechanical trauma | 55 |
Infection | 41 |
Weather changes | 29 |
Menstruation | 25 |
Foodstuffs | 18 |
Dental procedures | 15 |
Fatigue/exhaustion | 8 |
Medical procedures | 7 |
Pregnancy | 6 |
Estrogen-containing oral contraceptive use | 3 |
Others | |
Ovulation | 2 |
Insect bites | 2 |
Allergy | 2 |
Cosmetics | 2 |
Treatment with ACEI | 1 |
Thermal injury | 1 |
Gastric acid hypersecretion | 1 |
Prolonged voluntary suppression of micturition | 1 |