%0 Journal Article %T The hereditary angioedema burden of illness study in Europe (HAE-BOIS-Europe): background and methodology %A Anette Bygum %A Emel Ayg£¿ren-P¨¹rs¨¹n %A Teresa Caballero %A Kathleen Beusterien %A Shadi Gholizadeh %A Patience Musingarimi %A Suzanne Wait %A Henrik Boysen %J BMC Dermatology %D 2012 %I BioMed Central %R 10.1186/1471-5945-12-4 %X This is a cross-sectional study in which retrospective data were also collected being conducted in Denmark, Germany and Spain. The study is open to patients ages 12 and older with a diagnosis of HAE-I or HAE-II. Data collection includes: (i) a survey on individuals¡¯ health care resource use, direct and indirect medical costs, impact on work and school, treatment satisfaction, and emotional functioning (via the Hospital Anxiety and Depression Scale); and (ii) one-on-one interviews to collect detailed descriptive data and patient testimonials on the impact of HAE on patients¡¯ health-related quality of life.The present manuscript describes the development and plans for implementing a multi-country European study with the aim of characterizing the humanistic and economic burden of HAE from the patient perspective. This study will help raise awareness of HAE as a rare but debilitating condition with wide-ranging impacts. %U http://www.biomedcentral.com/1471-5945/12/4/abstract