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| Name | Class |
|---|---|
| Aarhus University Hospital | OTHER |
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Inflammatory proteins from eosinophil granulocytes in blood from patients with seasonal allergic hayfever have been shown to predict development of asthma at a six-year follow-up. This study is a 15-year follow-up of the same patients to verify earlier results and study disease development.
The study consists of a single visit at which patients fill in a questionnaire on actual hayfever and asthma symptoms as well as current treatment. Blood samples and nasal lavages are drawn and analysed for eosinophils as well as eosinophil cationic protein and tryptase. Spirometry is performed.
If patients use drugs which can interfere with results, ie. corticosteroids or beta-agonists, biochemistry and/or spirometry are omitted.
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| Measure | Description | Time Frame |
|---|---|---|
| Asthma morbidity | Patients are asked whether they have experienced asthmatic symptoms or have been disgnosed with asthma within the latest 15 years | Single measurement - May 2010 |
| Measure | Description | Time Frame |
|---|---|---|
| Rhinitis morbidity | Patients are asked for current hayfever symptoms | Single measurement - May 2010 |
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Inclusion Criteria:
Exclusion Criteria:
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Follow-up on participants in Allergic Rhinitis study 1995.
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| Name | Affiliation | Role |
|---|---|---|
| Lars Peter Nielsen, MD | Department of Respiratory Research, Aarhus University Hospital, DK-8000 Aarhus C, Denmark | Principal Investigator |
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| ID | Term |
|---|---|
| D006255 | Rhinitis, Allergic, Seasonal |
| ID | Term |
|---|---|
| D065631 | Rhinitis, Allergic |
| D012220 | Rhinitis |
| D009668 | Nose Diseases |
| D012140 | Respiratory Tract Diseases |
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| D012130 |
| Respiratory Hypersensitivity |
| D010038 | Otorhinolaryngologic Diseases |
| D006969 | Hypersensitivity, Immediate |
| D006967 | Hypersensitivity |
| D007154 | Immune System Diseases |