“…203,594,[598][599][600][601][602][603] When VKAs are prescribed, the incidence of TE is reduced, but there is an increased bleeding incidence. 203,590,594,599,600,[602][603][604][605][606][607][608][609][610][611][612][613] A series of 32 children routinely treated with phenprocoumon collected over a 22-year period reported a 10-year freedom of 89.1% (1.2%/patient-year) from any anticoagulation-related adverse event. 614 There are few prospective studies and no RCTs in children.…”