Why is the information obtained from a swab culture of a wound limited?
a. A positive culture does not necessarily indicate infection because chronic wounds are often colonized with bacteria.
b. A negative culture may not indicate infection because chronic wounds are often colonized with bacteria.
c. Most wound infections are viral, so the swab culture would not be indicative of a wound infection.
d. A swab culture result does not include bacterial sensitivity information necessary to provide treatment.
A
The information obtained from a swab culture is limited because a positive culture may not indicate infection. Chronic wounds are often colonized with bacteria, but this does not require antibiotic treatment. A needle aspiration of the wound would provide more definitive information about whether the wound is infected or not and can be performed by a registered nurse. However, the most accurate wound information is obtained by tissue biopsy performed by a specially trained provider.
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