The Radiographic Union Score for ulnar fractures (RUSU) predicts ulnar shaft nonunion

Aims To develop a reliable and effective radiological score to assess the healing of isolated ulnar shaft fractures (IUSF), the Radiographic Union Score for Ulna fractures (RUSU). Methods Initially, 20 patients with radiographs six weeks following a non-operatively managed ulnar shaft fracture were...

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Bibliographic Details
Published in:European journal of orthopaedic surgery & traumatology 2023-10, Vol.33 (7), p.3167-3173
Main Authors: Leow, Jun Min, Oliver, William M., Bell, Katrina R., Molyneux, Samuel G., Clement, Nicholas D., Duckworth, Andrew D.
Format: Article
Language:English
Subjects:
Fractures
Injuries
Medicine
Medicine & Public Health
Original Article
Orthopedics
Patients
Statistical analysis
Surgery
Surgical Orthopedics
Trauma
Traumatic Surgery
Validation studies
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Summary:Aims To develop a reliable and effective radiological score to assess the healing of isolated ulnar shaft fractures (IUSF), the Radiographic Union Score for Ulna fractures (RUSU). Methods Initially, 20 patients with radiographs six weeks following a non-operatively managed ulnar shaft fracture were selected and scored by three blinded observers. After intraclass correlation (ICC) analysis, a second group of 54 patients with radiographs six weeks after injury (18 who developed a nonunion and 36 who united) were scored by the same observers. Results In the initial study, interobserver and intraobserver ICC were 0.89 and 0.93, respectively. In the validation study, the interobserver ICC was 0.85. The median score for patients who united was significantly higher than those who developed a nonunion (11 vs. 7, p  
ISSN:1432-1068
1633-8065
1432-1068
DOI:10.1007/s00590-023-03556-4