3DOOM II STUDY
Inclusion finished 

Background 

Forearm fractures are common in children, with secondary displacement in 30% of cast-treated cases, often resulting in malunion. This can cause pain, cosmetic issues, and functional limitations, particularly in forearm rotation. Although 3D virtual planning and patient-specific surgical guides are promising in corrective osteotomies, their added clinical value remains uncertain. 

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Methods 

In this randomized controlled trial, 30 patients (≥6 years) with symptomatic midshaft radius and/or ulna malunion and limited forearm rotation (<50°) were included. All had fully healed fractures and gave informed consent. Patients were randomized to corrective osteotomy with or without patient-specific guides, using 3D planning software. Exclusion criteria included distal radius malunion and significant contralateral arm issues. Outcomes were assessed at baseline and at 3, 6, 9, and 12 months postoperatively. The primary outcome was forearm rotation (pronation/supination); secondary outcomes included surgical time, incision length, and complications.

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