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Introduction. The greatest difficulties arise in the differential diagnosis of hypovolemic or distributive (septic) shock. The aim of this study was to critically analyze the information value of the blood plasma content of lactate and procalcitonin (PCT) in patients with septic and hypovolemic shock.Materials and methods. The diagnosis of «Sepsis» and «Septic shock» in the study was established according to the criteria of «Sepsis-3». 143 IRCs were filled, 34 of them with septic shock, 44 IRCs with hypovolemic, 65 IRCs with sepsis and organ dysfunction (OD).Results. When determining the content of PCT in the blood plasma in patients with septic and hypovolemic shock, we found a statistically significant difference. The level of PKT in infectious shock —33.3 (95% CI 7.9 — 58.0) ng / ml was higher than hypovolemic-0.9 (95% CI 0.43 — 6.45) ng/ml on average more than 30 times. In contrast to PCT, the content of lactate in the blood plasma did not carry a differential diagnostic value. Once measured at admission to the ICU, the level of PCT has no informational significance and does not indicate a likely outcome of the disease, complicated by the development of septic and hemorrhagic shock. Together with the low predictive ability of the nature of shock, lactate was highly informative in relation to the outcome of the disease, complicated by the development of shock syndrome.Discussion. In our analysis, it is obvious that there were observations when the PCT level during hypovolemia was noticeably higher than normal, reaching a maximum of 6.4 ng / ml. Apparently, there was a combination of factors with an obvious activation of a trigger that affects its libration or the presence of endotoxinemia in hypovolemic shock in these specific patients. The informational value of PCT is not absolute and, according to meta-analyzes, is about 80%.Conclusion. The blood content of procalcitonin in shock of an infectious nature was more than 30 times higher than the hypovolemic level on average. The informational value of procalcitonin in terms of predicting the course of the disease in septic and hypovolemic shock is absent. In the absence of predicting the nature of the shock, lactate is informative about the outcome of the shock. The possibility of increasing the blood lactate content in severe hemorrhagic shock with renal damage was noted. |
