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Patients with hereditary hemorrhagic Telangiectasia (HHT) suffer from a rare and systemic disease which is characterized by vascular malformations leading to a variety of different symptoms. A retrospective review of patients who were referred to our new HHT Center of Excellence (HHT COE) for evaluation and treatment between April 2014 and August 2019 was performed. 235 patients were treated at the West German HHT Center. 83 % of these were diagnosed with definite HHT (235/282, 83 %) and 9 % with possible HHT (26/282). The average latency between first manifestation and definite diagnosis of HHT was 18 years. Several initial symptoms were direct or indirect signs of bleeding (224/241, 93 %). In 83 % of the patients HHT was reported having caused their degree of disability. Older, female patients and those with severe epistaxis suffered from chronic iron deficiency anemia, took iron preparations (148/261, 57 %) and received 9 blood transfusions on average (± standard deviation: 41, minimum - maximum: 0-400, number of patients: 218). 10 % of all patients tolerated anticoagulant or antiplatelet agents. 74 % of patients with HHT used nasal creams/sprays/oils (177/238) and reported fewer bleedings compared to patients without nasal care (ESS: T-Test: 3.193; p = 0.003; anemia: Chi-square: 5.173; p = 0.023). The diagnostic latency of HHT was almost two decades. Patients with HHT particularly suffered from recurrent epistaxis, which was mostly treated with nasal care and coagulative therapies. Antiplatelet or anticoagulant agents can be used in patients with HHT with caution if indicated. Thieme. All rights reserved.


Freya Droege, Cornelius H L Kuerten, Christina Kaiser, Julia Dingemann, Friederike Kaster, Philipp Marius Dahlfrancis, Carolin Lueb, Eleni Zioga, Kruthika Thangavelu, Stephan Lang, Urban Geisthoff. Hereditary hemorrhagic telangiectasia: symptoms and diagnostic latency]. Laryngo- rhino- otologie. 2021 Jun;100(6):443-452

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PMID: 33761571

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