Standardized bleeding tests in a non-coated novel hybrid prosthesis for frozen elephant trunk demonstrates minimal oozing during full heparinization, supported by clinical data.

Introduction: Recent reports have questioned the blood impermeability of the novel frozen elephant trunk (FET) device E-vita Open NEO (EO-NEO). Therefore, standardized bleeding tests using porcine heparinized blood were performed, as well as stress testing on the blood tightness of the collar suture line, to investigate this observation.

Material And Methods: EO-NEO prostheses were examined for blood permeability in three test series.