Lead Sponsor

Frisius Medisch Centrum

Age

16 - No limit years

Sex

ALL

Healthy Volunteers

Yes

•Patients in the ED with a X-ray confirmed dislocated distal forearm fracture, defined as fracture \< 3cm within the radiocarpal joint with an abnormal anatomic position (dorsal angulation \>10°, volar angulation \>20°, radioulnar inclination \<15°, \>5mm radial collapse or intra-articular incongruence \>2mm.
•≥ 16 years of age
•Patients who have adequate knowledge and understanding of the Dutch language

•'Open' fractures requiring surgery
•Multi-trauma patients
•Abnormal neurovascular examination requiring immediate reposition or surgery
•Pre-existent osteosynthesis material in situ on the present fracture site.
•Skin injury, local infection or recent burns hindering the use of ultrasound.
•Allergy for local anaesthetics
•Inability to give informed consent (cognitive impairments, no good understanding of the Dutch or English language)
•Severe coagulopathy (i.e. severe thrombocytopenia, haemophilia.). Usage of anticoagulation is not an contra-indication, since any bleeding complication has few adverse consequences(20).
•High risk on compartment syndrome (in consultation with surgery department).