• Kamil Safiejko, Jacek Smereka, Michal Pruc, Jerzy R Ladny, Milosz J Jaguszewski, Krzysztof J Filipiak, Ruslan Yakubtsevich, and Lukasz Szarpak.
• Bialystok Oncology Center, Bialystok, Poland.
• Cardiol J. 2020 Nov 3.

BackgroundFluid resuscitation is a fundamental intervention in patients with hypovolemic shock resulting from trauma. Appropriate fluid resuscitation in trauma patients could reduce organ failure, until blood components are available, and hemorrhage is controlled. We conducted a systematic review and meta-analysis assessing the effect of hypertonic saline/dextran or hypertonic saline for fluid resuscitation on patient outcomes restricted to adults with hypovolemic shock.MethodsWe conducted a search of electronic information sources, including PubMed, Embase, Web of Science, Cochrane library and bibliographic reference lists to identify all randomized controlled trials (RCTs) investigating outcomes of crystalloids versus colloids in patients with hypovolemic shock. We calculated the risk ratio (RR) or mean difference (MD) of groups using fixed or random-effect models.ResultsFifteen studies including 3264 patients met our inclusion criteria. Survival to hospital discharge rate between research groups varied and amounted to 71.2% in hypertonic saline/dextran group vs. 68.4% for isotonic/normotonic fluid (NS) solutions (odds ratio [OR] = 1.19; 95% confidence interval [CI] 0.97-1.45; I² = 48%; p = 0.09). 28- to 30-days survival rate for hypertonic fluid solutions was 72.8% survivable, while in the case of isotonic fluid (NS) - 71.4% (OR = 1.13; 95% CI 0.75-1.70; I² = 43%; p = 0.56).ConclusionsThis systematic review and meta-analysis, which included only evidence from RCTs hypertonic saline/dextran or hypertonic saline compared with isotonic fluid did not result in superior 28- to 30-day survival as well as in survival to hospital discharge. However, patients with hypotension who received resuscitation with hypertonic saline/dextran had less overall mortality as patients who received conventional fluid.

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