Evaluation of the Validity of the Prothrombin Time Internation Normalised Ratio (PT/INR) Measured at the point-of Care on the Arterial Bloodline of Haemodialysis Extracorporeal Blood Flow

The purpose of this study is to evaluate the INR value of hemodialyzed patient coagulation state (prothrombin time) measured inside the therapeutical zone and thanks to a portable monitor. The values obtained at the point of care will be compared to the standard biological assessment.

Inclusion Criteria:

• Age > 18
• Haemodialyzed patient whose INR needs to be monitored
• Patient not objecting to participate in the study