immunodeficiency

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immunodeficiency

a deficiency in or breakdown of a person's immune system

immunodeficiency

[¦im·yə‚nō·də′fish·ən·sē]
(immunology)
Any defect of antibody function or cell-mediated immunity.
References in periodicals archive ?
The majority of CVID patients present with recurrent, acute, or chronic respiratory tract infections such as sinusitis, bronchitis, and pneumonia.
The percentages of TNFRSF13B mutations and SNPs in CVID patients were 7.1% and 40%, respectively.
All CVID patients fulfilled the criteria of the Pan-American Group for Immunodeficiency and European Society for Immunodeficiencies [20].
Differential diagnosis included (a) rituximab-induced hypogammaglobulinemia, (b) unmasking of CVID by rituximab, and (c) lymphoma.
Approximately 20-30% of CVID patients develop autoimmune disorders, and this may be the first manifestation of CVID in patients who have no remarkable history of recurrent or severe infections.
Aside from patients with SCID, patients with B cell-mediated PIDs such as XLA and CVID have been reported to excrete VDPVs (14,25,28).
The diagnosis of CVID syndrome was established with immunocytochemical tests.
(7) that involved a total of 13 patients with CVID, SNHL was found to be present at higher frequencies (>8 kHz), although they concluded that further comparative studies in larger sample populations are warranted for better elucidation of their results.
The working diagnosis of CVID could not be confirmed in accordance with current diagnostic criteria (available at http://esid.org/Working-Parties/Registry/Diagnosis-criteria/) due to a lack of data on our patients' vaccination responses and isohemagglutinin titer levels.
Before next test sequence CVID are included in the structure.
Upper respiratory tract infection alone was not found in children diagnosed with common variable immune deficiency; the rate of CVID was found with a rate of 6.8% in children who were diagnosed with URTI and other diagnoses in association and this rate was found to be statistically significantly higher compared to the children with other PID diagnoses and in children in whom PID was not found (p<0.05).
* Anaemia may suggest autoimmune haemolytic anaemia, which may occur in common variable immune deficiency (CVID), or anaemia of chronic disease.