surgical site infection

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surgical site infection

Surgery Any superficial infection that occurs at the site of a surgical incision
Surgical site infection classes
I  Clean wound–75% of all surgery; nontraumatic wound; noninflamed; no break in technique; no entry into the GI, GU, respiratory tracts, or oropharynx; infection rate < 5%, usually ±1%
II  Clean-contaminated wound; minimal break in surgical technique; infection rate < 10%
III  Contaminated wound: open, fresh, traumatic wound from relatively clean source, or major break in surgical technique; infection rate < 20%
IV Dirty and/or infected wound with devitalized and/or necrotic tissue; infection rate 30–40%
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

surgical site infection

An infection that occurs within thirty days of an operation, either at the suture line, just beneath it, or in internal organs and spaces that were operated upon.
Synonym: surgical wound infection
See also: infection
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