Twice in three weeks, a middle-aged man on home parenteral nutrition (PN) developed a peripherally inserted central catheter line occlusion requiring a line replacement. With nurses called to his home at least once a day because of inadequate infusion, he was transferred to the Hospital of the University of Pennsylvania (Penn Medicine) to identify the problem.
“No one had considered the potential contribution of the PN formulation,” said Joseph Boullata, PharmD, RPh,