The effects of a limited infusion rate of fluid in the early resuscitation of sepsis on glycocalyx shedding measured by plasma syndecan-1: a randomized controlled trial

Division of Academic Affairs, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand. Department of Emergency Medicine, King Chulalongkorn Memorial Hospital, The Thai Red Cross Society, 1873 Rama IV Road, Pathumwan, Bangkok, 10330, Thailand. Division of Nephrology, Department of Medicine, and Critical Care Nephrology Research Unit, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand. Excellent Center for Critical Care Nephrology, King Chulalongkorn Memorial Hospital, Bangkok, Thailand. Academy of Science, Royal Society of Thailand, Bangkok, Thailand. Department of Emergency Medicine, King Chulalongkorn Memorial Hospital, The Thai Red Cross Society, 1873 Rama IV Road, Pathumwan, Bangkok, 10330, Thailand. musikatavorn.k@gmail.com. Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand. musikatavorn.k@gmail.com.

Journal of intensive care. 2021;9(1):1
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Abstract
BACKGROUND Aggressive fluid administration is recommended in the resuscitation of septic patients. However, the delivery of a rapid fluid bolus might cause harm by inducing degradation of the endothelial glycocalyx. This research aimed to examine the effects of the limited infusion rate of fluid on glycocalyx shedding as measured by syndecan-1 in patients with sepsis-induced hypoperfusion. METHODS A prospective, randomized, controlled, open-label trial was conducted between November 2018 and February 2020 in an urban academic emergency department. Patients with sepsis-induced hypoperfusion, defined as hypotension or hyperlactatemia, were randomized to receive either the standard rate (30 ml/kg/h) or limited rate (10 ml/kg/h) of fluid for the first 30 ml/kg fluid resuscitation. Subsequently, the fluid rate was adjusted according to the physician's discretion but not more than that of the designated fluid rate for the total of 6 h. The primary outcome was differences in change of syndecan-1 levels at 6 h compared to baseline between standard and limited rate groups. Secondary outcomes included adverse events, organ failure, and 90-day mortality. RESULTS We included 96 patients in the intention-to-treat analysis, with 48 assigned to the standard-rate strategy and 48 to the limited-rate strategy. The median fluid volume in 6 h in the limited-rate group was 39 ml/kg (interquartile range [IQR] 35-52 ml/kg) vs. 53 ml/kg (IQR 46-64 ml/kg) in the standard-rate group (p < 0.001). Patients in the limited-rate group were less likely to received vasopressors (17% vs 42%; p = 0.007) and mechanical ventilation (20% vs 41%; p = 0.049) during the first 6 h. There were no significantly different changes in syndecan-1 levels at 6 h between the two groups (geometric mean ratio [GMR] in the limited-rate group, 0.82; 95% confidence interval [CI], 0.66-1.02; p = 0.07). There were no significant differences in adverse events, organ failure outcomes, or mortality between the two groups. CONCLUSIONS In sepsis resuscitation, the limited rate of fluid resuscitation compared to the standard rate did not significantly reduce changes in syndecan-1 at 6 h. TRIAL REGISTRATION Thai Clinical Trials Registry number: TCTR20181010001. Registered 8 October 2018, http://www.clinicaltrials.in.th/index.php?tp=regtrials&menu=trialsearch&smenu=fulltext&task=search&task2=view1&id=4064.
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Language : eng
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