Gastrointestinal Inactions in Patients Retorting to Municipality Plant Centers in Addis Ababa

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Addis Ababa University


Out of 552 ratients investigated 410 (74.2%) harboured one or more p,astrointestinal infectious agents. Among these 61.2% had sin~le infections. Of the sing18 infections, the narasites ~i8re dominant i.e. E. ,histolytici'!, accounted for 53.8%, Ascaris lumbricoides for 19.1%, !. !richiura for 19%, G. lamblia for 5.2%, strongyloides stercoralis for 4% and hookworm for 3.5%. Bacterial infections constituted small pro[1ortions i.e. ,SbiE..ella sp 3.5% and?almonella tl'.rb,i 0.8%. Estimation of intensity of infection involving the intestinal helminths showed A. lumbricoides and T. trichiura to be light infections, \~hile hookworm infections were heavy. Among the multirle infections 31.5% were double, 6.6% triale and 0.7% quadruple. Most frequent among the double infections were those ~Iith ~. ~lstolytic,a and '2' lumbricoides (30.2%), T, triohiura and g,' ~olvtici'! (17.1%), 8. l~icoides and 1. trichiura (14.7%) and .E. hl!tolytica and Ship:ell~ sp. (12.4%). Similarly, 70.4% of the triple infections were combinations of E •. ~istolytica, A. lumbricoides and T. trichiura. In all, multiple infections are more common than single infections. Out of the 285 patients with diarrhea, 234 (82,1%) had parasitic and/or bacterial agents diaf,nosed, Among these 56% had single infections while 34.6% had double, 8.1% had triple and 1.3% had quadruple infections. In the single infections .E. b,istolytic~ accounted for 61.8% and G. lamblia for 8.4%. Similarly, A. lumbricoides constituted 11.5%, T. trichiura 5.3% and S. stercoralis 4.6%. Likewise §higel!a was associated with 6.9% and Salmonella with 1.5% of the cases. Most common combinations of the double infections were E. histolvtica and A. lumbricoides (30.9%), E. h.!§J.91yt.i,9!l and SJ.l!.&Ell1~" (19.8%) and E. histolytica and T. trichiura (16%). Furthermore, in 84% of the diarrheal cases with multiple infections. !. histolytlca occurred in combination with one or more aRent~. A feneral tendency for the proportion of,patients with below normal levels of haematocrit and total serum ~rotein arneared to increase as the number of types of infectious agents in the same individual increased.