RT Journal Article SR Electronic T1 Mucosal flora of the small intestine and the effect of preoperative antibiotics. JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 1272 OP 1275 DO 10.1136/jcp.37.11.1272 VO 37 IS 11 A1 M E Elmes A1 C H Howells A1 G H Lowe YR 1984 UL http://jcp.bmj.com/content/37/11/1272.abstract AB Samples of mucosa from the small intestines of 100 patients undergoing intestinal surgery were examined bacteriologically. Sixty four patients had received chemotherapy, 12 for more than 24 h before operation. Most of the jejunal samples were sterile unless there was a carcinoma, previous surgery, or potential intestinal stasis. Ileal mucosa was more likely to contain intestinal organisms. Most of the strains isolated were sensitive in vitro to the antibiotics given in vivo, but short term treatment may not have allowed sufficient time for the treatment to have become effective. The findings suggest that antibiotics are not needed for most operations on the duodenum or jejunum but may be required for operations on the ileum.