الفهرس 
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Abstract
Surgical wound infection is considered as one of the most common form of Nosocomial infection, where 77% of all deaths among surgical patients with wound infection can be attributed to this infection.The present work was carried out to search, investigate and extract novel drugs or templates for the development of new therapeutic agents, for the treatment of post operative surgical wound Infections. To perform that, samples were collected from infected operation wounds of 103 patients (in the national cancer institute) were cultured and identified during the period from (19/11/2008-30/5/2010). Patient subjected to this study were 51 male and 52 female. The examined cases showed bacterial infection by a number of microorganisms. Twenty two species of the bacterial cultures belonging to 7 genera were identified by WalkAway-96 instrument by using Microscan dried gram-negative and gram-positive panels in addition to the morphological, microscopical and some biochemical characteristics of the selected bacterial isolates. The most common was Escherichia coli which represent 17.5% this was followed by Acinetobacter baumannii 14.5%, come next in rank both of Achromobacter sp. and Pseudomonas aeruginosa each represent 13.6% and 12.6% respectively. Data also showed the occurrence of Staphylococcus aureus, Enterobacter aerogenes and Klebsiella pneumoniae representing 11.6%, 4.8% and 5.8% respectively. While the other isolated species were of low occurrence frequency.