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  1. Latiff AH, Kerr MA
    Ann. Clin. Biochem., 2007 Mar;44(Pt 2):131-9.
    PMID: 17362578 DOI: 10.1258/000456307780117993
    IgA deficiency is the most common primary immunoglobulin deficiency. The prevalence in Caucasians is around one in 500, whereas in some Asian populations it is very uncommon. Most individuals with IgA deficiency are clinically asymptomatic. Those with symptoms of immunodeficiency have predominantly sinopulmonary or gastrointestinal infections, which are more severe when associated with IgG2, IgG4 or specific antibody deficiency. IgA deficiency is believed to be one end of a spectrum of immunodeficiency with common variable immunodeficiency at the most severe end. Although primary IgA deficiency is the most commonly encountered form, secondary deficiencies due to drugs or viral infections are recognized. IgA deficiencies can be partial or transient. Primary IgA deficiency is caused by a defect of terminal lymphocyte differentiation, which leads to underproduction of serum and mucosal IgA; affected individuals have normal IgA genes. A number of non-immunoglobulin genes have been implicated in IgA deficiency. There have been many diseases reported in association with IgA deficiency, particularly autoimmune diseases. The most common association is with coeliac disease (CD), which has special significance since CD is usually diagnosed by detection of specific IgA antibodies that are obviously lacking in IgA deficiency. There is no specific treatment for patients with symptomatic IgA deficiency. Antibiotics are prescribed in those with acute infections. A significant proportion of IgA-deficient individuals are reported to have anti-IgA antibodies in their serum. Although blood or blood products given to IgA-deficient individuals can lead to severe, even fatal, transfusion reactions, such reactions are rare.
    Matched MeSH terms: Celiac Disease/complications
  2. Ching BH, Mohamed AR, Khoo TB, Ismail HI
    Mult Scler, 2015 Aug;21(9):1209-11.
    PMID: 26199345 DOI: 10.1177/1352458515593404
    Multiphasic disseminated encephalomyelitis (MDEM) followed by optic neuritis (ON) has been described as a new entity in recent years. Gluten encephalopathy has also been recognized as a neurological manifestation of celiac disease. Accurate diagnosis of both is important due to the therapeutic implications. We report a girl presenting with recurrent encephalopathic polyfocal demyelinating episodes followed by optic neuritis, and a clinical history suggestive of gluten sensitivity. She had persistently high ESR, neutrophilia, and tested positive for anti-MOG (myelin oligodendrocyte glycoprotein) antibody. She responded well to methylprednisolone in each relapse, and achieved remission for a year after azathioprine was added.
    Matched MeSH terms: Celiac Disease/complications*
  3. Tsiountsioura M, Wong JE, Upton J, McIntyre K, Dimakou D, Buchanan E, et al.
    Eur J Clin Nutr, 2014 Jun;68(6):700-6.
    PMID: 24424079 DOI: 10.1038/ejcn.2013.286
    BACKGROUND/OBJECTIVES: In the era of modern multidisciplinary clinical management, very little is known about the prevalence and presentation of malnutrition in children with gastrointestinal disorders (GastroD) particularly employing composite, global measures of nutritional status.
    SUBJECTS/METHODS: Anthropometry, body composition, dietary intake, eating habits and grip strength were assessed with bedside methods in 168 patients from outpatient gastroenterology clinics (n, median (IQR) years; Crohn's disease (CD): n=53, 14.2 (11.6:15.4); ulcerative colitis (UC): n=27, 12.2 (10.7:14.2); coeliac disease: n=31, 9.3 (7.5:13.6); other GastroD: n=57, 9.8 (7.2:13.8)) and compared with 62 contemporary healthy controls (n, median (IQR): 9.8 (6.9:13.8)) and the results of the recent UK, National Diet and Nutritional Survey (NDNS).
    RESULTS: Children with CD had lower BMI z-scores than controls (median (IQR): -0.3 (-0.9:0.4) vs 0.3 (-0.6:1.4); P=0.02) but only 2% were classified as thin (BMI z-score
    Matched MeSH terms: Celiac Disease/complications
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