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  • Title: [What about tropical endemic vernal keratoconjunctivitis? Which relationship with intestinal parasites?].
    Author: Omgbwa Eballé A, Essomba N, Mbassi Ndocko E, Ngang P, Ebana Mvogo C, Bella AL.
    Journal: J Fr Ophtalmol; 2018 Feb; 41(2):152-157. PubMed ID: 29395593.
    Abstract:
    UNLABELLED: Given the causative parasite hypothesis for tropical endemic limbo-conjunctivitis (TELC), we conducted an analytical case-control study of all children with tropical endemic limbo-conjunctivitis seen in the ophthalmology department of Laquintinie hospital in Douala during the period from January 2nd to April 30, 2015. RESULTS: We identified 64 cases of tropical endemic limbo-conjunctivitis out of 550 children seen; a hospital prevalence of 11.6%; thirteen cases (eight boys and five girls) did not meet inclusion criteria, and 51 cases were included, 31 boys (60.8%) and 20 girls (39.2%) with a male/female (M/F) sex-ratio of 1.41. For controls, we included 28 males (54.9%) and 23 girls (45.1%) for a M/F sex-ratio of 1.22. The prevalence of tropical endemic limbo-conjunctivitis in boys was 12.1%, and for girls it was 7.1% in the case group. Stage II was the most frequent at 29 cases (56.9%), as well as the mixed form at 31 cases (60.8%). The frequency of intestinal parasites was 14 cases (27.5%) in the group of tropical endemic limbo-conjunctivitis patients and 6 cases (11.8%) in the control group (P=0.08). Entamoeba histolytica in its cystic form was the most intestinal parasite found in both groups, 10 cases for tropical endemic limbo-conjunctivitis (19.6%) and 6 cases in the control groups (11.8%). The mean serum IgE among cases was 81.2 IU/ml, while in the controls it was 15.6 IU/ml (P=0.001) CONCLUSION: There is no relationship between intestinal parasitic infection and the occurrence of tropical endemic limbo-conjunctivitis.
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