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Epidemiology of filariasis malayi in Muara Padang Village, Muara Padang SubDistrict, Banyuasin District, South Sumatra, lndonesia
Filariasis is still a public health problem in lndonesia especially in rural areas. In South Sumatra Province, 186 patients with chronic filariasis were reported in 2009 and 130 of them came from Banyuasin District. In Muara Padang SubDistrict, there were 7 patients with chronic filariasis and 1 of them lived in Muara Padang Village. A finger blood survey has never been conducted in Muara Padang Village since elimination program started in 2002. The aim of the study was to evaluate epidemiology of filariasis malayi in the Muara Padang Village. This was a descriptive study using cross sectional design. Data were collected from finger blood survey, blood tests for reservoir host (cats), stage 3 of filarial larvae (L3) in mosquito and microfilaria periodicity examination. From 520 finger blood samples collected from the inhabitants, microfilaria was not observed. However, 1 subject was found to have elephantiasis caused by filariasis malayi as indicated by swelling leg below the knee. Moreover, 1 subject showed descending Iymphangitis symptoms accompanied by fever, headache and weakness even though in blood examination microfilaria was not found. Among 17 samples collected from cats, microfilaria of Brugia malayi was not observed. However, animal filarial i.e. Dirofilaria repens was observed in 11 samples collected. Among 701 mosquitoes dissection and examination, L3 was not found. Due to the fact th at the microfilaria was not observed in all samples, microfilaria periodicity examination was not conducted. In conclusion, microfilaria of B malayi was not observed in Muara Padang Village. However, microfilaria of D. repens was observed in cats.
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