• Xiang Zhou, Dawei Liu, Longxiang Su, Bo Yao, Yun Long, Xiaoting Wang, Wenzhao Chai, Na Cui, Hao Wang, and Xi Rui.
• Department of Critical Care Medicine, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, 100730, China.
• Crit Care. 2017 Feb 16; 21 (1): 33.

BackgroundSetting lactate kinetics at >30% might improve the clinical outcomes of patients with sepsis-associated hyperlactatemia. The aim of this study was to explore the outcome benefits of stepwise lactate kinetics vs central venous oxygen saturation (ScvO2)-oriented hemodynamic therapy at 6 h as the protocol goal during early resuscitation.MethodsThe relevant parameters and adverse events after different targets in 360 randomly assigned patients with sepsis-associated hyperlactatemia were recorded and compared.ResultsHeart rate (HR) at 48 h in the ScvO2 group was higher than in the lactate kinetics group (105 ± 19 bpm vs 99 ± 20 bpm, P = 0.040). The liquid balance at 4 h, 12 h, and 24 h in the lactate kinetics group was larger than in the ScvO2 group (1535 (1271-1778) ml vs 826 (631-1219) ml, P < 0.001; 1688 (1173-1923) ml vs 1277 (962 - 1588) ml, P <0.001; and 1510 (904-2087) ml vs 1236 (740-1808) ml, P = 0.005), respectively. Mortality was higher in the ScvO2 group (27.9% vs 18.3%, P = 0.033), but there was no significant difference between the two groups in the length of stay in the ICU or mechanical ventilation. In terms of new onset organ dysfunction, there was a significant difference between the two groups in total bilirubin at 48 h and 72 h. Based on the 60-day survival curves, there was significantly more mortality in the ScvO2 group than in the lactate kinetics group (X 2 = 4.133, P = 0.042). In addition, fewer adverse events occurred in the lactate kinetics group.ConclusionsStepwise lactate kinetics-oriented hemodynamic therapy can reduce mortality in patients with sepsis-associated hyperlactatemia compared with ScvO2-oriented therapy.Trial RegistrationNational Institutes of Health Clinical Trials Registry, NCT02566460 . Registered on 26 September 2015.

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