• Tongwu Guo, Rui Zheng, Huanying Yi, and Yuanzheng Yang.
• Emergency and Trauma College, Hainan Medical University, Haikou, China.
• Medicine (Baltimore). 2023 Oct 27; 102 (43): e35500e35500.

AbstractImpact of microcirculation status from mortality of critically ill population has been investigated for decades, but the prognosis of early initial microcirculation disturbance in critically ill population in the intensive care unit remains to be explored. The cohort study was conducted using the medical information database for intensive care IV. Critically ill adult in intensive care unit have been enrolled and categorized by early microcirculation status. Cox Proportional-Hazards models have been utilized for testing intermediaries and assess the relationship between combined early initial microcirculation disturbance and mortality. Several 2286 patients were initially screened. Some patients with a highest lactate level >2.2 mmol/L on the firstly day of admission (n = 1468) were then extracted for further analysis. 735 patients received in the initial microcirculation disturbance group as well as 733 patients were in the hyperlactatemia group. In those with elevated lactate, the 28-day mortality of early microcirculation disturbance was higher than that of hyperlactatemia alone (7-day mortality [16.19% vs 12.68%; Adjusted hazard ratio 1.35, 95% confidence intervals 1.03 to 1.78, P = .029], 28-day mortality [33.33% vs 27.28%; adjusted HR 1.34, 95% confidence interval 1.11 to 1.67, P = .002]). Early microcirculatory disturbances (increased PV-ACO2/CA-VO2 ratio and higher initial blood lactate level) were more reliable predictors of in-hospital mortality than early isolated lactate elevation.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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