Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver · 2011
Coeliac disease in Libyan children: a screening study based on the rapid determination of anti-transglutaminase antibodies.
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Alarida Kamla, Harown Juma, Ahmaida Adel, Marinelli Luisita, Venturini Cinzia, Kodermaz Graziano, Tozzoli Renato, Mandolesi Alessandra, Bearzi Italo, Catassi Carlo
Аннотация
BACKGROUND: Coeliac disease is a common disorder in North Africa; however, there are no data on coeliac disease prevalence in Libya.
AIM: (1) To determine coeliac disease prevalence in Libyan schoolchildren by screening with a rapid test for IgA anti-transglutaminase determination on a blood drop; (2) to evaluate the accuracy of the rapid anti-transglutaminase test.
PATIENTS AND METHODS: We screened 2920 students (1452 females and 1468 males) attending school in El Beida (Libya) by the rapid anti-transglutaminase test. Conventional ELISA anti-transglutaminase in rapid test positives and small intestinal biopsy in ELISA positives were performed for coeliac disease diagnosis. Conventional IgA anti-transglutaminase was performed also in 800 rapid test negative subjects.
RESULTS: The rapid anti-transglutaminase test was positive in 50/2920 (1.7%) subjects but only 20/50 were confirmed by the ELISA determination. The diagnosis of coeliac disease was biopsy-confirmed in 19 out of these 20. The serum ELISA IgA anti-transglutaminase was positive in 4 out of 800 rapid test negative children. Coeliac disease prevalence was 0.79-1.13%.
CONCLUSIONS: Coeliac disease in Libyan children is as common as in Europe, affecting around 1% of the general population. The rapid test for IgA anti-transglutaminase determination on a blood drop was not an efficient screening test.
AIM: (1) To determine coeliac disease prevalence in Libyan schoolchildren by screening with a rapid test for IgA anti-transglutaminase determination on a blood drop; (2) to evaluate the accuracy of the rapid anti-transglutaminase test.
PATIENTS AND METHODS: We screened 2920 students (1452 females and 1468 males) attending school in El Beida (Libya) by the rapid anti-transglutaminase test. Conventional ELISA anti-transglutaminase in rapid test positives and small intestinal biopsy in ELISA positives were performed for coeliac disease diagnosis. Conventional IgA anti-transglutaminase was performed also in 800 rapid test negative subjects.
RESULTS: The rapid anti-transglutaminase test was positive in 50/2920 (1.7%) subjects but only 20/50 were confirmed by the ELISA determination. The diagnosis of coeliac disease was biopsy-confirmed in 19 out of these 20. The serum ELISA IgA anti-transglutaminase was positive in 4 out of 800 rapid test negative children. Coeliac disease prevalence was 0.79-1.13%.
CONCLUSIONS: Coeliac disease in Libyan children is as common as in Europe, affecting around 1% of the general population. The rapid test for IgA anti-transglutaminase determination on a blood drop was not an efficient screening test.