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The role of bacterial contamination in the development of surgical site infection.


Stephen Sixto Siguan,
Isaac Nino  N. Pala Jr.,
Bernardo  S. Ang ,
Reynaldo  M. Baclig

Related Institution

Philippine Council for Health Research and Development - Department of Science and Technology

Department of Surgery - Cebu Velez General Hospital, CGH

Publication Information

Publication Type
Publication Sub Type
Journal Article, Original
Philippine Journal of Surgical Specialties
Publication Date
July-September 1993

Publication Type
Research Project
December 31, 1988-June 30, 1989


The degree of bacterial contamination remains a major determinant in the development of surgical site infections (SSI), which continue to be a leading cause of morbidity among surgical patients. For this reason, we performed a prospective survey on the relative frequency of surgical site infections based on bacterial contamination categories. Of the 774 operations in our department over a six-month period from January 1 to July 31, 1989, the overall surgical site infection rate was 7.8% with specific surgical site infection rates of 2.5%, 5.8%, 14.7% and 16.9% on clean, clean-contaminated, contaminated and dirty operations respectively. A comparison with published acceptable surgical wound infection rates among the different bacterial contamination categories showed comparable results except for contaminated cases (p = 0.0376). Deep incisional SSI tended to be higher among dirty operations with a risk eight times higher compared with clean operations.

The use of prophylactic antibiotics was also noted as they were practiced by the different surgeons, without specific guidelines as to their use. An in-depth study is needed to determine the effects of antibiotic prophylaxis on surgical site infection rate.

Physical Location

LocationLocation CodeAvailable FormatAvailability
Philippine Council for Health Research and Development Library FIL-PR RD49 1990 Abstract Print Format
Philippine Council for Health Research and Development Library Fulltext pdf (Request Document)

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