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Year : 2019  |  Volume : 11  |  Issue : 4  |  Page : 176-180

Procalcitonin and other inflammatory markers in patients with sepsis and septic shock: A single-center experience

1 Department of Medicine, Hamad General Hospital, Hamad Medical Corporation, Doha, Qatar
2 Department of Medicine, Hamad General Hospital, Hamad Medical Corporation, Doha; Weill Cornell Medical College, New York
3 Department of Medicine, Hamad General Hospital, Hamad Medical Corporation, Doha, Qatar; Weill Cornell Medical College, New York, USA

Correspondence Address:
Abdel-Naser Elzouki
Department of Medicine, Hamad General Hospital, Hamad Medical Corporation, P.O. Box 3050, Doha

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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijmbs.ijmbs_64_19

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Objective: The objective of the study was to compare the diagnostic value of serum procalcitonin (PCT), C-reactive protein (CRP), lactic acid, and white blood cells (WBC) as markers of sepsis in critically ill patients in the main tertiary hospital in Qatar. Materials and Methods: The PCT levels and other inflammatory markers (CRP, lactic acid, and WBC) were retrospectively reviewed in 137 consecutive adult patients with a suspected diagnosis of sepsis who admitted to the Internal Medicine inpatient service (i.e., Medical Wards and Medical Intensive Care Unit) at Hamad General Hospital, Qatar. The serum PCT was measured by chemiluminescence immunoassay and the results were compared with commonly used inflammatory markers between the patients with and without proven sepsis. Results: A significantly higher PCT level was observed among patients with severe sepsis and septic shock compared to those without sepsis (19.34 ± 50 and 25.91 ± 61.3 vs. 4.72 ± 10, respectively; P = 0.011). No significant differences were found in CRP and WBC between these groups. Nonsurvivors of both septic and nonseptic groups had a mean PCT level of 22.48 ± 8.26 significantly higher than that measured in survivors of both the groups (P = 0.01), a difference not evident in other inflammatory parameters. Conclusions: PCT is a highly efficient inflammatory laboratory parameter for the diagnosis of severe sepsis and septic shock, but WBC and CRP levels were of little value. PCT value assists in the diagnosis of septic shock, hence supporting appropriate disposition of patients. The levels of PCT also have prognostic implications with regard to mortality suggesting intensification of antibiotic therapy and supportive measures including appropriate family counseling.

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