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Is the use of colloids for fluid replacement harmless in children?
1Pediatric Anesthesia Unit, Geneva Children's Hospital, University of Geneva Hospitals, Geneva, Switzerland. sonja.saudan@hcuge.ch
Insights
Tetrastarches are the preferred colloid solution for children, offering a better balance of cost and safety compared to older options. They present fewer risks to coagulation and kidney function, making them a safer choice.
Area of Science:
- Pediatric critical care medicine
- Pharmacology
- Fluid resuscitation
Background:
- Albumin, the traditional colloid osmotic pressure agent, faces challenges due to cost, unproven survival benefits, and viral transmission risks.
- Synthetic colloids like hydroxyethyl starch and gelatin are increasingly used, each with distinct properties influencing efficacy and safety.
- Understanding these differences is crucial for optimizing pediatric fluid management.
Purpose of the Study:
- To review the advantages and disadvantages of various colloid solutions in pediatric patients.
- To focus on the safety profiles of different colloid preparations.
- To guide the selection of appropriate fluid therapies in children.
Main Methods:
- Literature review of studies on colloid solutions in pediatric populations.
- Comparative analysis of efficacy, safety, and adverse effect profiles.
- Focus on physicochemical characteristics and clinical outcomes.
Main Results:
- Dextrans are largely avoided due to adverse effects on coagulation and anaphylaxis risk.
- Gelatin has limited volume expansion and a high potential for anaphylactoid reactions; albumin has minimal hemostatic impact.
- Tetrastarches demonstrate improved safety regarding coagulation and renal function compared to older hydroxyethyl starches and are approved for pediatric use.
- Plasma-adapted solutions for tetrastarches enhance safety for coagulation and acid-base balance.
Conclusions:
- Tetrastarches represent the optimal current choice for pediatric fluid management, balancing cost-effectiveness and safety.
- They are particularly suitable for children with normal pre-existing renal and coagulation function.
- Further research may refine the use of synthetic colloids in specific pediatric scenarios.
Purpose Of Review:
Albumin has been regarded as the gold standard for maintaining adequate colloid osmotic pressure in children, but increased cost, the lack of clear-cut benefits for survival, and fear of transmission of unknown viruses have contributed to its replacement by hydroxyethyl starch and gelatin preparations. Each of the synthetic colloids has unique physicochemical characteristics that determine their likely efficacy and adverse effect profile. This review will examine the advantages and disadvantages of the use of different colloid solutions in children with a particular focus on their safety profile.
Recent Findings:
Dextrans are rarely used because of their negative effects on coagulation and potential for anaphylactic reactions. Gelatin and albumin have little effect on hemostasis, but the disadvantages of gelatin include its high anaphylactoid potential and limited beneficial volume effect. Tetrastarches have significantly fewer adverse effects on coagulation and renal function than the older hydroxyethyl starches and are now approved for children. Dissolving tetrastarches in a plasma-adapted, balanced solution rather than in saline further improves safety with regard to coagulation and acid-base balance.
Summary:
Tetrastarches offer the best currently available compromise between cost-effectiveness and safety profile in children with preexisting normal renal function and coagulation.
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