US experts in infection control are reviewing advice issued in 2002 that intravenous devices should be replaced every 72 to 96 hours as a matter of routine.

Updated guidance from the Centers for Disease Control infection control advisory group (HICPAC) is expected to be published this winter. A draft says that peripheral intravenous devices should be replaced “no more frequently than every 72-96 hours” but that evidence for leaving catheters in place unless clinically indicated was an “unresolved issue.”

The 2002 guidelines are based on findings from early small studies that suggested routine replacement might limit complications such as phlebitis. But the proposed change comes as evidence mounts that replacing intravenous devices every three days is not clinically indicated. A Cochrane review published earlier …