This review article discusses the development and implementation of a number of blood substitutes, including hemoglobin-based oxygen carriers (HBOCs) and perfluorocarbons. This review article will introduce the reader to blood substitutes by discussing an overview of an ideal blood substitute, the history of HBOCs and perfluorocarbons, strategies of oxygen carrying, side effects of HBOCs and perfluorocarbons, current clinical trials, and the future of blood substitutes.
A change in ETT tip orientation from bevel facing left to facing down by 90° CCR, leads to a significantly higher first-attempt success rate by nasal approach in children. We believe the ETT should be rotated before insertion into the nostril to ensure that full 90° CCR of the tip has been accomplished.
Gunshot wounds rapidly increase circulating lead concentrations. Lead concentrations are small in three hemoglobin-based oxygen carriers (HBOCs), and HBOCs and/or bovine blood do not appear to be affected by lead concentrations in terms of immediate oxygen on-loading and off-loading. HBOCs may be useful in patients with gunshot wounds.
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