The Colloid Controversy: Are Colloids Bad and What Are the Options?

Biologic and synthetic colloid solutions are frequently used to increase oncotic pressure and to treat shock. Research has shown that each product has both risks and benefits. Hydroxyethyl starches have gained a reputation for increasing risk of death, acute kidney injury, and coagulation abnormalities in people, but additional studies are needed to see whether these concerns hold true in veterinary patients. This article reviews the risks and benefits of currently available products.