Shared Decision-making Process for Unprovoked vEnous THromboEmbolism Management. (ETHER )

Patients will be managed as regards their anticoagulant treatment according to usual practice and in accordance with international guidelines.

"The intervention is based on a strategy based on a shared decision-making process which is a collaborative process that involves a patient and their healthcare professional working together to reach a joint decision about care (anticoagulant treatment).~The shared decision-making process will be conducted as follows:~* Step 1: prepare the risk estimates (risk of recurrent VTE, risk of bleeding) for the patient, based on time-dependent multicomponent risk prediction scores and socio-anthropological scales (TDMI) and other validated risk prediction scores and evidence-based medicine;~* Step 2: Communicating risks, benefits and consequences to the patient;~* Step 3: Make a joint decision about treatment and care, and agree together when this will be reviewed."