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Matthew E Cove, Graeme MacLaren, William J Federspiel, John A Kellum
Acute respiratory distress syndrome (ARDS) has a substantial mortality rate and annually affects more than 140,000 people in the USA alone. Standard management includes lung protective ventilation but this impairs carbon dioxide clearance and may lead to right heart dysfunction or increased intracranial pressure. Extracorporeal carbon dioxide removal has the potential to optimize lung protective ventilation by uncoupling oxygenation and carbon dioxide clearance. The aim of this article is to review the carbon dioxide removal strategies that are likely to be widely available in the near future...
2012: Critical Care: the Official Journal of the Critical Care Forum
S O Salley, J Y Song, G C Whittlesey, M D Klein
The potential use of carbonic anhydrase (CA), immobilized within membrane lungs, to accelerate the removal of CO2 from blood was investigated. Using a variation on the technique of Chang, 500 micrograms/mL of CA was encapsulated in 5-20 microns cellulose nitrate microcapsules which were then immobilized onto a 0.1 m2 silicone rubber membrane. Using an in vitro test circuit, 0.68 mmol/m2/min of CO2 was removed from venous blood through an untreated membrane at steady state. With the CA-immobilized membrane, CO2 removal was enhanced to 1...
July 1990: ASAIO Transactions
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