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In page Extracorporeal membrane oxygenation:

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Early studies had shown survival benefit with use of ECMO for people in acute respiratory failure especially in the setting of acute respiratory distress syndrome.[1][2] A registry maintained by ELSO of nearly 51,000 people that have received ECMO has reported outcomes with 75% survival for neonatal respiratory failure, 56% survival for pediatric respiratory failure, and 55% survival for adult respiratory failure.[3] Other observational and uncontrolled clinical trials have reported survival rates from 50 to 70 percent.[4][5] These reported survival rates are better than historical survival rates.[6][7][8] Even though ECMO is used for a range of conditions with varying mortality rates, early detection is key to prevent the progression of deterioration and increase survival outcomes.[9]