This is a descriptive observational study of trauma patients admitted to the Trauma Unit at the Karolinska University Hospital Solna, Stockholm, Sweden. Data will be collected from the Karolinska Trauma Registry for all patients from 2015 to 2024. A more detailed dataset will be extracted from the Trauma Registry for all patients with serious facial or neck injuries. For those patients, data will also manually be extracted from their clinical records.

Data will be collected from the Karolinska Trauma Registry for all patients from 2015 to 2024. A more detailed dataset will be extracted from the Trauma Registry for all patients with an Abbreviated Injury Scale (AIS) severity score of ≥ 3 for facial or neck injuries. Data will include demographics, injury mechanism, injury type, physiology, treatment and outcome. For those patients with a severe facial or neck injury, data will also manually be extracted from their clinical records regarding prehospital details, initial physiology, injury type, treatment and bleeding.

Inclusion Criteria:

• Patients included in the Karolinska Trauma Registry

Exclusion Criteria:

-

Patients included in the Karolinska Trauma Registry. Those with an AIS>2 for neck or facial injury will be studied in more detail.