Adverse Event:
Any injury caused by medical
care.
Examples:
-
pneumothorax from central venous catheter placement
-
anaphylaxis to penicillin
-
postoperative wound infection
-
hospital-acquired delirium (or "sun downing") in elderly patients
Identifying something as an adverse event does not imply "error," "negligence,"
or poor quality care. It simply indicates that an undesirable clinical outcome
resulted from some aspect of diagnosis or therapy, not an underlying disease
process.
Thus, pneumothorax from central venous catheter placement counts as an adverse
event regardless of insertion technique. Similarly, postoperative wound
infections count as adverse events even if the operation proceeded with optimal
adherence to sterile procedures, the patient received appropriate antibiotic
prophylaxis in the peri-operative setting, and so on. (See also
iatrogenic)
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