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Mhedzisiro yemachubhu endotracheal (ETTs) akaiswa chlorhexidine (CHX) uye sirivheri carbonate (antiseptic ETTs) kurwisa Staphylococcus aureus, methicillin-resistant S. aureus (MRSA), Pseudomonas aeruginosa, Acinetobacter baumanniter, uye Engenesgenes-aerogantism pneumonia yakabatana (VAP)], yakaongororwa murabhoritari nzira yemhepo.Antiseptic ETTs uye control ETTs (isina kupihwa pamuviri) yakaiswa mumachubhu etsika akazadzwa nehafu neagar media (airway model) yakambosvibiswa pamusoro ne10(8) cfu/mL yeakasarudzwa test organism.Mushure memazuva mashanu ekuvharirwa, bhakitiriya koloni inoverengera pane ese ETT zvikamu zvakatemwa.Swabs dzeproximal uye distal ends of the agar tract in antiseptic and control models were subcultured.Iwo ekutanga uye akasara CHX mazinga, (mazuva mashanu mushure mekudyara mumuenzaniso) akatemerwa.Tsika dzeantiseptic ETTs dzakaratidza colonization nehutachiona hwakaedzwa kubva pa1-100 cfu/chubhu, zvichienzaniswa neinoda kusvika 10(6) cfu/chubhu yekutonga ETTs (P <0.001).Subcultures kubva kumagumo uye kureba kweiyo agar turakiti yakaratidza kushoma kana kusakura muiyo antiseptic ETTs kana ichienzaniswa nekutonga ETTs (P <0.001).Huwandu hweCHX hwakachengetwa muETTs inouraya mushure memazuva mashanu ekusimwa yaive avhareji ye45% yenhanho yekutanga.Antiseptic ETTs yakadzivirira bhakitiriya colonization mune yemhepo modhi uye zvakare yakachengeta yakakura huwandu hweiyo antiseptic.Migumisiro iyi inoratidza kuti kushanda kweETTs-antiseptic-impregnated ETTs mukudzivirira kukura kwehutachiona hwehutachiona hunoenderana neVAP hunogona kusiyana nezvisikwa zvakasiyana-siyana.Copyright 2004 The Hospital Infection Society.