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Preoperative Prediction of Gartland IV Supracondylar Fractures of Humerus: Is it Possible?

Sitanshu BarikGobinder SinghSubhajit MajiMohammed Q AzamVivek Singh
Published in: Revista brasileira de ortopedia (2021)
Objectives  The present study aims to identify preoperative characteristics of the patient, of the injury, as well as of imaging, which would point towards a type IV fracture. The present study shall help the operating team to predict more accurately the type IV pattern preoperatively, leading to improved counselling of the caregivers, planning of surgery, as well as preparedness regarding open reduction, if such situation arises. Methods  A retrospective study was conducted, including patients that met the following criteria: 1) age < 16 years old; 2) Gartland type-III and type-IV supracondylar fractures; and 3) with complete records. Demographic data like age, gender, laterality, mode of injury, hospital duration of the injury, history of previous attempts of closed reduction, open/closed fracture, distal neurovascular status, and radiographic data like angulation, translation, osseous apposition and fracture comminution were collected. Results  Hospital duration of the injury and previous attempts of closed reduction were the factors that had a statistically significant difference among types III and IV fractures ( p  < 0.05). A diagnosis of type IV supracondylar fractures was significantly more likely in the presence of valgus angulation of the distal fragment ≥ 17° (odds ratio [OR] = 20.22; 95% confidence interval [CI] = 3.45-118.65). Flexion angulation ≥ 10° (OR = 5.32; 95% CI = 0.24-119.88) of the distal fragment predicted Gartland type IV with a sensitivity of 41% and a specificity of 100%. Conclusion  The preoperative evaluation of suspected Gartland IV fractures can help the operating surgeon in predicting such injuries. Nonradiographic factors like increased hospital duration of the injury, attempts at previously closed reduction, and radiographic parameters like valgus and flexion angulation were more likely to be associated with type IV fractures. Level of evidence III.
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