S.antibiotics. The aim of this study is to determine the change in the resistance pattern of A. baumannii through the years. Methods Isolates from patients admitted to the ICU in 2003 and 2007 were analyzed. Both colonization and infection isolates were evaluated. In 2003, 118 isolates from 51 patients and in 2007, 108 isolates from 21 patients were included in the study. The clinical specimens we