Urticarial Vasculitis: Attack of the Nettles, Part 1 Healio Rheuminations

Is it an allergy or an autoimmune vasculitis, or a little of both? Find out the story of urticarial vasculitis, how this disease was recognized and eventually sorted out from other types of urticaria.
·       Intro 0:12
·       In this episode 0:21
·       Case study 1:22
·       Chronic spontaneous urticaria, hives and nettles 7:57
·       Dermatographism and witchcraft? 10:15
·       Causes of urticaria 11:17
·       Theory of inflammation and histamines 11:40
·       Urticaria and treatments with histamines 12:09
·       Types of urticaria 13:02
·       Mayo Clinic study 13:39
·       Chronic urticaria as a manifestation of necrotizing venulitis 16:10
·       Connection between types of urticaria and leukocytoclastic vasculitis 20:02
·       More case studies 20:38
·       What do we know about treatments? 22:23
·       In conclusion 24:15
·       Coming up in part two 25:08
·       Thanks for listening 25:47
Disclosures: Brown reports no relevant financial disclosures.
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References:
Czarnetzki BM. Int J Dermatol. 1989;doi:10.1111/j.1365-4362.1989.tb01314.x.
Kolkhir P, et al. J Allergy Clin Immunol. 2019;doi:10.1016/j.jaci.2018.09.007.
McDuffie FC, et al. Mayo Clin Proc. 1973;48(5):340-8.
Natbony SF, et al. J Allergy Clin Immunol. 1983;doi:10.1016/0091-6749(83)90096-9.
Soter NA. N Engl J Med. 1977;doi:10.1056/NEJM197706232962505.