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Headache and Complement C′1-Esterase Inhibitor Deficiency in Vietnamese Immigrants Living in Southern California

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The objective was to measure complement C′1-esterase inhibitor (CIINH) in a group of Vietnamese outpatients with headache. All 51 patients (7 males and 44 females), with either migraine or chronic tension-type headache, were evaluated during 1994 and 1995. Their ages ranged from 15 to 69 years old (mean age, 37.5 years). They were found to have low levels of CIINH (mean, 11 ± 2 mg/dL versus control subjects, 15 ± 2 mg/dL with p < 0.0001). Twenty patients (5 males and 15 females) were treated with a low dose of danazol, 200 mg daily for 1–2 months. The improvement of the headache coincided with the return to normal levels of CIINH in all of our patients (pretreatment, 11 ± 2 mg/dL versus posttreatment, 16 ± 2 mg/dL with p < 0.001). The levels of Clq and C4d/C4 ratios did not change as a result of treatment with danawl. Our patients may represent a form of androgen-responsive headache, which is associated with low levels of CIINH, normal levels of Clq and normal C4d/C4. It differentiated them from angioedema (hereditary or acquired form); they had no known precipitating factors or a family history of angioedema.
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Document Type: Research Article

Publication date: 1999-03-01

More about this publication?
  • Allergy and Asthma Proceedings is a peer reviewed publication dedicated to distributing timely scientific research regarding advancements in the knowledge and practice of allergy, asthma and immunology. Its primary readership consists of allergists and pulmonologists.

    The goal of the Proceedings is to publish articles with a predominantly clinical focus which directly impact quality of care for patients with allergic disease and asthma.

    Featured topics include asthma, rhinitis, sinusitis, food allergies, allergic skin diseases, diagnostic techniques, allergens, and treatment modalities. Published material includes peer-reviewed original research, clinical trials and review articles.

    Articles marked "F" offer free full text for personal noncommercial use only.

    The journal is indexed in Thomson Reuters Web of Science and Science Citation Index Expanded, plus the National Library of Medicine's PubMed service.
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