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Delayed wound infection. An 11-year survey
Archives of Surgery (Chicago, Ill. : 1960)
|February 1, 1982
Summary
Late-onset surgical wound infections, occurring months to years post-operation, were studied. Most infections stemmed from bacteria present during surgery, reactivated by lowered host resistance.
Area of Science:
- Infectious Diseases
- Surgical Outcomes
- Microbiology
Background:
- Delayed wound infections can manifest months or years after surgery.
- Understanding these late-onset infections is crucial for patient management.
- Previous studies have not fully delineated the characteristics of prolonged post-operative infections.
Purpose of the Study:
- To characterize clinical features of patients with wound infections presenting over six months post-surgery.
- To identify common pathogens and surgical origins of late-onset infections.
- To explore potential mechanisms behind delayed infection reactivation.
Main Methods:
- Retrospective review of 26 patients with wound infections >6 months post-operation.
- Categorization of infections into distinct clinical groups.
- Microbiological analysis of causative organisms.
Main Results:
- Three groups identified: superficial stitch abscesses (Staphylococcus aureus), pacemaker infections (Staphylococcus epidermidis), and significant infections following genitourinary, gastrointestinal, and biliary surgery.
- Common organisms were often introduced during the initial operation.
- Host factors, such as reduced resistance, likely contributed to infection development.
Conclusions:
- Late-onset surgical wound infections are diverse, ranging from superficial to deep-seated complications.
- Causative agents are frequently endogenous, becoming active due to host immune alterations.
- Further research into preventative strategies for delayed infections is warranted.