Peter Collignon, MB, BS, BSc (Med.)
To the Editor: Martin and coworkers (1) discussed possible problems in differentiating between contamination and true sepsis with coagulase-negative staphylococci. They reported no apparent difference in the mortality of patients having one positive blood culture compared with those who had two or more positive blood cultures. It is not clear, however, whether the blood-culture system in use at their institution was a one- or a two-bottle system. If a two-bottle system was in use, then the isolate should have been observed in two separately collected sets of blood cultures, rather than in two bottles of one set, to make certain
Collignon P. Coagulase-Negative Staphylococcal Bacteremia. Ann Intern Med. ;110:945–946. doi: 10.7326/0003-4819-110-11-945_2
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Published: Ann Intern Med. 1989;110(11):945-946.
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