Abstract
Surgical site infections (SSI) are infections at or around the site of incision where surgical procedure is conducted. It is a major cause of hospital morbidity, resulting in prolonged hospital stay, increased treatment costs, higher rates of re-operation, and even increased mortality rates. The etiological agents of superficial surgical site infections among post-operative patients attending a Teaching Hospital in Southeastern Nigeria were evaluated using standard microbiological methods. Seventy superficial surgical wound swab specimens were properly and aseptically obtained from post-operative patients after ethical clearance was duly obtained from the hospital’s ethical committee. Pure microbial cultures were obtained after 24 - 48 hours incubation, aerobically at 25oC, on blood, nutrient and Sabouraud’ Dextrose agar plates. The isolates were identified based on their morphological, physiological, biochemical and molecular characteristics. Out of the 70 surgical swab specimens collected, 81% were bacterial isolates which included Staphylococcus aureus 41%, Escherichia coli 16%, Pseudomonas aeruginosa 14% and Staphylococcus xylosus 10%. The fungi isolates (19%) were Candida tropicalis 8% and Trichosporon asahii 11%. These isolates were probably endogenous and exogenous flora from the patients’ and hospital’ environments respectively; thereby necessitating the need for adequate patient care before, during and after surgical procedures.
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