Procalcitonin levels in salmonella infection

Vikas Mishra; Jehangir Sorabjee

doi:10.4103/0972-5229.162466

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Procalcitonin levels in salmonella infection

Vikas Mishra, Jehangir Sorabjee

Keywords : Bacteremia, enteric fever, procalcitonin, Salmonella, sepsis, typhoid

Citation Information : Mishra V, Sorabjee J. Procalcitonin levels in salmonella infection. Indian J Crit Care Med 2015; 19 (8):471-473.

DOI: 10.4103/0972-5229.162466

License: CC BY-ND 3.0

Published Online: 01-07-2016

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Abstract

Aim: Procalcitonin (PCT) as a diagnostic marker for bacteremia and sepsis has been extensively studied. We aimed to study PCT levels in Salmonella infections whether they would serve as marker for early diagnosis in endemic areas to start empiric treatment while awaiting blood culture report. Materials and Methods: BACTEC blood culture was used to isolate Salmonella in suspected enteric fever patients. Serum PCT levels were estimated before starting treatment. Results: In 60 proven enteric fever patients, median value of serum PCT levels was 0.22 ng/ml, values ranging between 0.05 and 4 ng/ml. 95% of patients had near normal or mild increase (<0.5 ng/ml), only 5% of patients showed elevated levels. Notably, high PCT levels were found only in severe sepsis. Conclusion: PCT levels in Salmonella infections are near normal or minimally increased which differentiates it from other systemic Gram-negative infections. PCT cannot be used as a specific diagnostic marker of typhoid.

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