Abstract:
:To commence proper antibiotic treatment in sepsis, timely knowledge of whether the cause of systemic infection is gram-negative (gram(-)) or gram-positive (gram(+)) bacteria in origin would be beneficial for clinicians. In this clinical prospective study, our objective was to develop a method for distinguishing between gram(+) and gram(-) bacterial infection. In gram(-) bacterial infection (n = 21), the average amount of CD11b on neutrophils was significantly higher than in gram(+) bacterial infection (n = 22). On the contrary, serum C-reactive protein (CRP) level was significantly higher in gram(+) than in gram(-) bacterial infection. By dividing the serum CRP value by the amount of CD11b on neutrophils, we derived a novel marker of gram(+) sepsis, CRP/CD11b ratio, which displayed 76% sensitivity and 80% specificity for the detection of gram(+) sepsis (n = 17) among febrile patients with microbiologically confirmed or clinically diagnosed bacterial infection. The detection of gram(+) sepsis is possible after the combination of neutrophil CD11b data and serum CRP level. In conclusion, our findings indicate that the proposed CRP/CD11b ratio test could potentially assist physicians in determining an appropriate antibiotic treatment in patients with severe bacterial infection.
journal_name
Hum Immunoljournal_title
Human immunologyauthors
Nuutila J,Jalava-Karvinen P,Hohenthal U,Laitinen I,Kotilainen P,Rajamäki A,Nikoskelainen J,Lilius EMdoi
10.1016/j.humimm.2009.01.009subject
Has Abstractpub_date
2009-04-01 00:00:00pages
237-43issue
4eissn
0198-8859issn
1879-1166pii
S0198-8859(09)00013-5journal_volume
70pub_type
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