Benefit of Prophylactic Embolization of the Splenic Salvage

Inclusion Criteria: * Patients aged over 18 and under 75 years * hemodynamically stable patients (systolic BP ≥ 90 mm Hg and no hemorrhagic shock) * Suffered a closed splenic trauma within the last 48 hours * A high risk of splenectomy: * Reaching spleen Moore grade 4 and 5 in the abdominal injected CT or * Reaching spleen Moore 3 and at least one of the following characteristics: * Important Hemoperitoneum (when visible in the pelvic area). * Severe associated impairment (NISS-New Injury Severity Score greater than or equal to 15) * Patients volunteering to participate in the study, having signed the consent form or with the agreement of the family if the patient is not capable of giving consent; after adequate information and delivery of the patient and/or family information leaflet. * covered by a social security scheme or beneficiary of such a plan. Exclusion Criteria: * Patients whose usual residence is outside the European Economic Community * Patient with hemodynamic instability (systolic blood pressure \<9 despite resuscitation maneuver) * Patient with open splenic trauma * Patient with surgical indication excluding the possibility of monitoring splenic trauma * Patient with an indication for embolization of a body other than the spleen at the time of inclusion * Patient with an indication for splenic embolization as a result of a post-traumatic vascular anomaly (active leakage of contrast agent, pseudoaneurysm or early splenic arteriovenous fistula). * Patients aged less than 18 years and ≥ 75 years * Patients with a previous spleen disease (tumor, infection, vascular anomaly intrasplenically) * Patient with trauma Moore grade 1 or 2 * Patient with trauma grade Moore 5 with total ischemia of the spleen * Patients who underwent partial or total splenectomy before inclusion * Patient having acquired or innate immune deficiency * All indications not permitting the achievement of embolization * Pregnant woman * Person deprived of liberty by judicial or administrative decision, person subject to a measure of legal protection. * Patient currently participating in a clinical study or having participated in a clinical study in the month preceding the inclusion * Patient with a condition or a history of mental or psychiatric disorder or any other factor limiting their ability to participate in an informed manner and to comply with the protocol.