Gastrointestinal Inactions In Patients Retorting To Municipality Plant Centers In Addis Ababa

Out of 552 ratients investigated 410 (74.2%) harbouredrnone or more p,astrointestinal infectious agents. Among thesern61.2% had sin~le infections. Of the sing18 infections, thernnarasites ~i8re dominant i.e. E. ,histolytici'!, accounted forrn53.8%, Ascaris lumbricoides for 19.1%, !. !richiura for 19%,rnG. lamblia for 5.2%, strongyloides stercoralis for 4% andrnhookworm for 3.5%. Bacterial infections constituted smallrnpro[1ortions i.e. ,SbiE..ella sp 3.5% and?almonella tl'.rb,i 0.8%.rnEstimation of intensity of infection involving the intestinalrnhelminths showed A. lumbricoides and T. trichiura to be lightrninfections, ~hile hookworm infections were heavy. Among thernmultirle infections 31.5% were double, 6.6% triale and 0.7%rnquadruple. Most frequent among the double infections werernthose ~Iith ~. ~lstolytic,a and '2' lumbricoides (30.2%),rnT, triohiura and g,' ~olvtici'! (17.1%), 8. l~icoides andrn1. trichiura (14.7%) and .E. hl!tolytica and Ship:ell~ sp.rn(12.4%). Similarly, 70.4% of the triple infections wererncombinations of E •. ~istolytica, A. lumbricoides and T. trichiura.rnIn all, multiple infections are more common than singlerninfections. Out of the 285 patients with diarrhea, 234 (82,1%)rnhad parasitic and/or bacterial agents diaf,nosed, Among thesern56% had single infections while 34.6% had double, 8.1% hadrntriple and 1.3% had quadruple infections. In the singlerninfections .E. b,istolytic~ accounted for 61.8% and G. lambliarnfor 8.4%. Similarly, A. lumbricoides constituted 11.5%,rnT. trichiura 5.3% and S. stercoralis 4.6%. Likewisern§higel!a was associated with 6.9% and Salmonella with 1.5% of the cases. Most common combinations of the double infectionsrnwere E. histolvtica and A. lumbricoides (30.9%),rnE. h.!§J.91yt.i,9!l and SJ.l!.&Ell1~" (19.8%) and E. histolytica andrnT. trichiura (16%). Furthermore, in 84% of the diarrhealrncases with multiple infections. !. histolytlca occurred inrncombination with one or more aRent~. A feneral tendencyrnfor the proportion of,patients with below normal levelsrnof haematocrit and total serum ~rotein arneared to increasernas the number of types of infectious agents in the samernindividual increased.

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