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The results obtained were as follows: (1) with rising gastric pH bacterial counts in gastric aspirates, especially gram-negatives, increased significantly; (2) in 45 (31.7%) of the patients identical organisms were first isolated in gastric samples and one to two days later in tracheal secretions; (3) ventilation pneumonia was significantly more frequent in patients with high gastric pH; (4) pathogens causing ventilation pneumonia grew well in simulated gastric fluid at higher pH values, unlike normal respiratory organisms; and (5) sucralfate and bismuth subsalicylate showed antibacterial activity against frequent causative organisms of ventilation pneumonia.<\/jats:p>","DOI":"10.1086\/645786","type":"journal-article","created":{"date-parts":[[2009,9,1]],"date-time":"2009-09-01T13:53:24Z","timestamp":1251813204000},"page":"59-65","source":"Crossref","is-referenced-by-count":79,"title":["Stress Ulcer Prophylaxis and Ventilation Pneumonia Prevention by Antibacterial Cytoprotective 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