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Increased Risk for Infections and Allergic Disease in Hereditary Hemorrhagic Telangiectasia
Freya Droege1, Jochem König2, Karl S Lang3
1Department of Otorhinolaryngology, Head and Neck Surgery and VASCERN HHT Reference Centre, Essen University Hospital, University Duisburg-Essen, Hufelandstrasse 55, 45147 Essen, Germany.
Journal of Clinical Medicine
|July 13, 2024
Summary
Patients with Hereditary Hemorrhagic Telangiectasia (HHT) face increased risks of infections and allergies. Prophylactic antibiotics are recommended for those with pulmonary arteriovenous malformations (PAVMs) to prevent serious complications.
Area of Science:
- Immunology
- Genetics
- Vascular Biology
Background:
- Hereditary Hemorrhagic Telangiectasia (HHT) is a genetic disorder affecting blood vessel formation.
- Immunological dysregulation is suspected in HHT patients.
- Previous studies suggest altered immune responses in HHT.
Purpose of the Study:
- To investigate the predisposition of HHT patients to infections and allergic diseases.
- To assess the need for prophylactic antibiotic use in HHT patients with PAVMs.
Main Methods:
- Online surveys were administered to HHT patients and controls in English and German.
- Data on infection history and allergies were collected and compared.
- Antibiotic prophylaxis practices for dental/surgical procedures were evaluated.
Main Results:
- HHT patients exhibited significantly higher rates of allergies, particularly Type I allergies.
- Increased risk of sinusitis, UTIs, pulmonary infections, and abscesses observed in HHT patients.
- Inadequate prophylactic antibiotic use noted in patients with pulmonary arteriovenous malformations (PAVMs).
Conclusions:
- HHT patients have an elevated risk for various infections and allergic conditions.
- Awareness campaigns are needed to promote prophylactic antibiotic use in HHT patients with PAVMs.
- Further research into HHT immunopathology is warranted.
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