We study all patients admitted to the Emergency Department in the Institution between 01/2022 and 07/2023. The information about the recurrence of nose bleeding was searched on their medical file and by calling the patient to confirm ou get the information. Thus, several potentiel risk factors were studied.

The relation between recurrence and those factors were studied at first individually and then all the significant ones were analyzed with a multivarious statistical test.

We study all patients admitted to the Emergency Department in the Institution between 01/2022 and 07/2023. The information about the recurrence of nose bleeding was searched on their medical file and by calling the patient to confirm ou get the information. Thus, several potentiel risk factors were studied : oral anticoagulants, sex, INR, anti-platelets drugs, diabetes, obesity, arterial hypertension, heart failure, hemoglobin at the admission, history of chronic rhinosinusitis, appointment with an ENT during the acute bleeding, sleep apnea, age, anatomic abnormality, recent surgery within 2 months, previous admission within 30 days in the emergency department, nasal trauma.

The relation between recurrence and those factors were studied at first individually and then all the significant ones were analyzed with a multivarious statistical test.

This study aim to provide a pronostic score of recurrence that can happen after the 3 fisrt weeks after the event. When a recurrence happens before 3 weeks, this was considered to be a non control of the bleeding episode.

This score will be then tested on our cohort to evaluate specificity and sensibility.

Inclusion Criteria:

• Patient who is admitted at the emergency department between 01/2022 and 07/2023 for nose bleeding.
• Age over 18 yo

Exclusion Criteria:

• Opposition to be included
• Patient who has not his willness to provide opposition to participate.opposition

All the patientswho are admitted at the emergency department between 01/2022 and 07/2023