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Crystalloids versus colloids for fluid resuscitation in critically-ill patients
R Gallet de Saint-Aurin1, M Kloeckner, D Annane
1Service de Réanimation médicale, Hôpital Raymond Poincaré, Faculté de Médecine Paris Ile de France Ouest, Garches.
Acta Clinica Belgica
|February 21, 2008
Summary
Crystalloids are recommended over colloids for fluid resuscitation due to similar mortality outcomes, fewer side effects, and lower cost. Colloids are associated with increased risks of acute kidney injury and anaphylaxis.
Area of Science:
- Critical Care Medicine
- Nephrology
- Emergency Medicine
Background:
- The optimal fluid for resuscitation remains a topic of debate.
- Colloids possess theoretical physiological advantages over crystalloids.
- Previous studies have yielded conflicting results regarding mortality and side effects.
Purpose of the Study:
- To compare the efficacy and safety of crystalloids versus colloids for fluid resuscitation.
- To evaluate the impact of fluid choice on mortality and specific adverse events.
Main Methods:
- Review of randomized controlled trials comparing crystalloid and colloid solutions.
- Analysis of data on mortality, renal function, coagulation, and anaphylaxis.
- Economic evaluation of fluid resuscitation strategies.
Main Results:
- No significant difference in mortality between crystalloid and colloid groups when adequately dosed.
- Colloids are associated with a higher incidence of acute kidney injury and need for renal replacement therapy.
- Colloids can negatively impact coagulation and increase the risk of anaphylaxis.
- Crystalloids are significantly more cost-effective than colloids.
Conclusions:
- Crystalloids should be the preferred choice for fluid resuscitation.
- The risks of renal injury, anaphylaxis, and higher costs outweigh the theoretical benefits of colloids.
- Further research may be warranted to explore specific patient populations or colloid formulations.
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