Abstract
Sepsis is associated with various metabolic derangements as a consequence of inflammatory response, ischemia and oxidative stress. Four parameters of relevance are procalcitonin (PCT), ischemia modified albumin (IMA) pH and lactate. The study was carried out to highlight the concomitant occurrence of sepsis, ischemia and lactic acidosis, all of which could have deleterious effects on organ function. 26 critically ill patients with a provisional diagnosis of sepsis were the test subjects. The control group had 25 apparently healthy volunteers. PCT, lactate and IMA were assayed. PCT was estimated on an automated analyser using electro-chemiluminescence. Lactate and pH were estimated on a blood gas analyzer. Serum IMA was estimated spectrophotometrically by Albumin Cobalt Binding Test. Statistical tools like students ‘t’ test and Venn diagram were employed to depict the outcome of the study. All critically ill patients had significantly higher IMA levels (0.96746 ± 0.73407) as compared to the control group (0.00728 ± 0.00895) with a p value of <0.0001. The Venn diagram was used to depict the finding that all 26 test subjects had elevated levels of IMA, of which PCT was elevated in 22 and lactate in 20. Both PCT and lactate were abnormal in 17 patients. The most significant observation was that all critically ill patients, irrespective of the presence of sepsis or lactic acidosis had elevated levels of IMA which is clearly indicative of the ubiquitous presence of oxidative stress. The Venn diagram is an elegant representation of the concurrent multiple pathophysiological processes which occur in critically ill patients.
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Research Involving Human Participants and/or Animals
This work was done on samples of blood sent to the clinical biochemistry laboratory for routine investigations from patients. Tests were carried out in the left-over samples. Blood was not drawn for the purpose of the study. No animals were used in this study.
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General consent was obtained from patients for all investigations done. No invasive procedures were carried out in this study. Anonymity was maintained.
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Ashok Kumar, P., Anand, U. Multiple Biomarkers to Assess the Pathophysiological State in Critically Ill Patients with Sepsis. Ind J Clin Biochem 31, 310–314 (2016). https://doi.org/10.1007/s12291-015-0525-x
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DOI: https://doi.org/10.1007/s12291-015-0525-x