Que savons-nous de la limboconjonctivite endémique des tropiques ? Et quel rapport avec les parasites intestinaux ?

Prevalence and clinical characteristics of vernal keratoconjunctivitis in sub-Saharan Africa

“…This is a marked contrast to nearby Rwanda where the prevalence of VKC was just 4% among primary school children [21]. In Cameroon, VKC is more common in the northern Sahel region, which is hotter and dryer (31.5%), relative to the coastal regions in the south (11.6%) [32,33]. This is a stark increase from the previously reported 2.3% [34].…”

“…Contrary to older reports, recent studies report a strong male predominance in VKC patients [11 ▪▪ ,32,37]. Alemayehu et al [28] reported that 68.8% of VKC patients were male individuals with an odds ratio (OR) of 4.3.…”

“…Children less than 10 years of age are the most affected [39]. In Cameroon, Omgbwa Eballe et al [32] reported a mean age of 6.3 AE 4 years and Koki et al [33] a mean age of 6.5 years, plus a high prevalence in the 1-4 years age group (33.2%). In one report from Ethiopia, 50% of cases were in the 5-10 years age group [28].…”

“…In the DRC, children with VKC suffered more from Vitamin D3 deficiency compared with controls (40 vs. 8%, P ¼ 0.0001). They also found that children with VKC also spent less daylight time outdoors than controls (1.59 AE 0.71 vs. 2.28 AE 1.08 h, P ¼ 0.0001) [44 infections have no proven association to VKC [21,32]. In HIV patients, a clinical form of VKC-like disease has been described.…”

“…They also found that children with VKC also spent less daylight time outdoors than controls (1.59 ± 0.71 vs. 2.28 ± 1.08 h, P = 0.0001) [44 ▪ ]. Intestinal parasitic infections have no proven association to VKC [21,32]. In HIV patients, a clinical form of VKC-like disease has been described.…”