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Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
Published in: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine 1/2018

Open Access 01-12-2018 | Original research

Risks and benefits of hypotensive resuscitation in patients with traumatic hemorrhagic shock: a meta-analysis

Authors: Natthida Owattanapanich, Kaweesak Chittawatanarat, Thoetphum Benyakorn, Jatuporn Sirikun

Published in: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine | Issue 1/2018

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Abstract

Background

Damage control strategies play an important role in trauma patient management. One such strategy, hypotensive resuscitation, is being increasingly employed. Although several randomized controlled trials have reported its benefits, the mortality benefit of hypotensive resuscitation has not yet been systematically reviewed.

Objectives

To conduct a meta-analysis of the efficacy of hypotensive resuscitation in traumatic hemorrhagic shock patients relative to mortality as the primary outcome, with acute respiratory distress syndrome (ARDS), acute kidney injury (AKI), and multiple organ dysfunction as the secondary outcomes.

Methods

PubMed, Medline-Ovid, Scopus, Science Direct, EMBASE, and CNKI database searches were conducted. An additional search of relevant primary literature and review articles was also performed. Randomized controlled trials and cohort studies reporting the mortality rate associated with hypotensive resuscitation or limited fluid resuscitation were selected. The random-effects model was used to estimate mortality and onset of other complications.

Results

Of 2114 studies, 30 were selected for this meta-analysis. A statistically significant decrease in mortality was observed in the hypotensive resuscitation group (risk ratio [RR]: 0.50; 95% confidence interval [CI]: 0.40–0.61). Heterogeneity was observed in the included literature (I2: 27%; degrees of freedom: 23; p = 0.11). Less usage of packed red cell transfusions and fluid resuscitations was also demonstrated. No significant difference between groups was observed for AKI; however, a protective effect was observed relative to both multiple organ dysfunction and ARDS.

Conclusions

This meta-analysis revealed significant benefits of hypotensive resuscitation relative to mortality in traumatic hemorrhagic shock patients. It not only reduced the need for blood transfusions and the incidences of ARDS and multiple organ dysfunction, but it caused a non-significant AKI incidence.
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Metadata
Title
Risks and benefits of hypotensive resuscitation in patients with traumatic hemorrhagic shock: a meta-analysis
Authors
Natthida Owattanapanich
Kaweesak Chittawatanarat
Thoetphum Benyakorn
Jatuporn Sirikun
Publication date
01-12-2018
Publisher
BioMed Central
DOI
https://doi.org/10.1186/s13049-018-0572-4

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