Gartland Type-IV Supracondylar Humeral Fractures: Preoperative Radiographic Features and a Hypothesis on Causation - 03/02/22
, Tomas R. Ramirez-Carrasco d, e, Pedro Domenech-Fernandez f, Jorge Knorr c
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Abstract |
Background |
The diagnose of Gartland Type-IV (G-IV) supracondylar humeral fractures (SCHF) has been reported to only be possible via fluoroscopy intra-operatively.
Hypothesis |
A preoperative radiographic fracture pattern can indicate a G-IV SCHF.
Patients and methods |
Retrospective qualitative analysis of radiographs and reduction techniques used in twenty-seven GIV SCHF.
Results |
Anterior-posterior radiographs demonstrated lateral translation or angulation in 21 cases (valgus type) and medial translation or angulation in 6 cases (varus type). In spite of a complete cortical disruption, lateral radiographs showed that the distal fragment was vertically aligned with the proximal fragment. Reduction was achieved in semi-extension, via supination in valgus type fracture and pronation for varus type fractures.
Discussion |
Our conjecture is that a trauma vector in the coronal plane would result in a near-circumferential periosteal disruption, with which either a medial or lateral periosteal hinge remains. The distal fragment would be vertically aligned in lateral radiographs.
Level of evidence |
IV; Diagnostic.
Le texte complet de cet article est disponible en PDF.Keywords : Pediatric elbow trauma, Humeral supracondylar fracture, Gartland-type IV, Pediatric elbow radiology
Plan
Vol 108 - N° 1
Article 103049- février 2022 Retour au numéro
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