A prospective study of postoperative wound infection was carried out o
ver a two year period in Cumhuriyet University Medicine Faculty Hospit
al in Sivas, Turkey. Examination of wounds, with cultures of all suspi
cious wounds using standard bacteriological methods was performed. Of
a total of 4146 surgical wounds, 188 (4.53%), became infected. High in
fection rates were noted after colon resection (32.1%), gastric and oe
sophageal operations (21.1%), cholesystectomy (17.2%), and splenectomy
(10.2%). Low infection rates were noted after thyroidectomy, mastecto
my, caesarean section and abdominal hysterectomy. The commonest causat
ive organisms were coagulase-negative staphylococci 21.7%, Staphylococ
cus aureus 19.7%, Escherichia coli 19.7%, Enterobacter spp. 17.6%, and
Pseudomonas spp. 10.7%.