 where and when they were admitted first symptom of bleeding. 2.2-Severity of rebleeding TA, FC, low Hb, transfusion requirements. 2.3- Association with NSAIDs, aspirin or other antiplatelet agents. 2.5 -treatment complications. It will collect any adverse events observed during follow-up, either initially or not attributable to treatment. Notification of serious adverse events and unexpected will be modeled and general instructions contained in Royal Decree 2232004 of 6 February laying down the requirements for conducting clinical drug trials 2.6-Time of hospitalization during follow-up. 2.7-Number of hospitalizations during follow-up. 2.8-In case of rebleeding, is reported: initial anticoagulation level, endoscopic findings, endoscopic treatment, etc. 