Journal
FORENSIC SCIENCE INTERNATIONAL
Volume 329, Issue -, Pages -Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.forsciint.2021.111058
Keywords
Adult; Retrospective studies; Posttraumatic time interval; Fractures; bone; Fracture healing; Nomograms; Radiography
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This retrospective observational study aimed to describe the temporal aspect of pre-defined healing stages of tubular bone fractures in adults on radiographs and explore potential confounding variables. The study found that the posttraumatic time interval (PTTI) increased progressively with the pre-defined healing stages, but confounding factors like patients' age, sex, and location of the fracture need to be considered for accurate estimation. Further research is needed to explore more potential confounding variables and refine outcomes for greater accuracy in dating of fracture healing in adults.
Accurate dating of bone fractures can be crucial in the context of forensic trauma analysis since it may provide essential information for the corroboration or contradiction of statements by victims or suspects in cases of domestic abuse or torture. The different stages of bone healing have been well described in the existing literature, and some previous studies attempted to define related timelines particularly in the paediatric population. However, the bone healing process can be very variable and despite the importance of the topic in the forensic field, so far little is known about the radiological appearance of bone fractures at different healing stages, and how this correlates with time, especially in an adult population. The aim of this retrospective observational study was to describe the temporal aspect of pre-defined healing stages as they appear on radiographs of tubular bone fractures in adults, and explore the effect of potential cofounding variables. A dynamic nomogram was developed as a user-friendly tool to be eventually applied in clinical or medico-legal settings. This study showed that the posttraumatic time interval (PTTI) increased progressively with the pre-defined healing stages. However, confounding factors, such as patients' age, sex, and location of the fracture need to be accounted for in the final estimation model. Further studies are needed to explore more potentially confounding variables to refine the presented outcomes. Better knowledge of the effect of different confounding variables in the dating of fracture healing will contribute to greater accuracy of PTTI estimation of bone fractures in adults. (c) 2021 Elsevier B.V. All rights reserved.
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