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Physiological changes after fluid bolus therapy in sepsis: a systematic review of the contemporary literature
Critical Care volume 18, Article number: P34 (2014)
Fluid bolus therapy (FBT) is a ubiquitous intervention in intensive care. However, the physiological effects in the critically ill are poorly understood. Therefore, we systematically reviewed the contemporary literature to determine the current practice and effect of FBT in the management of severe sepsis and septic shock.
We interrogated the MEDLINE, CENTRAL and EMBASE electronic reference databases using a combination of terms to define a set of records of studies of fluid administration in patients with severe sepsis or septic shock. To achieve contemporary relevance, results were limited to English-language studies in adults between 2010 and 2013.
We identified 22 prospective observational studies, four retrospective observational studies, two quasi-experimental studies, and five randomised controlled trials (RCTs), 41 boluses in total. No RCT compared FBT with alternative interventions. The median fluid bolus was 500 ml (range: 100 to 1,000 ml) administered over 30 minutes (range: 10 to 60 minutes) and 0.9% sodium chloride solution was the most commonly administered. Although 17 studies describe the temporal course of physiological changes after FBT in 31 patient groups, only three studies describe the physiological changes at 60 minutes, and only one study beyond this point (Figure 1). No studies related the physiological changes after FBT with clinically relevant outcomes.
There is a need for obtaining randomised controlled evidence for the physiological effects of FBT in patients with severe sepsis and septic shock beyond the period immediately following its administration.
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Glassford, N., Eastwood, G. & Bellomo, R. Physiological changes after fluid bolus therapy in sepsis: a systematic review of the contemporary literature. Crit Care 18, P34 (2014). https://doi.org/10.1186/cc14037
- Sodium Chloride
- Randomise Control Trial
- Septic Shock
- Severe Sepsis
- Physiological Effect