Prevalence of extracorporeal blood purification techniques in critically ill patients before and during the COVID-19 pandemic in Egypt.

Background: Extracorporeal blood-purification techniques are frequently needed in the pediatric intensive care unit (PICU), yet data on their clinical application are lacking. This study aims to review the indications, rate of application, clinical characteristics, complications, and outcomes of patients undergoing extracorporeal blood purification (i.e.