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Correlation of fat embolism severity and subcutaneous fatty tissue crushing and bone fractures

Bolliger, Stephan ; Muehlematter, Karin ; Thali, Michael ; Ampanozi, Garyfalia

In: International Journal of Legal Medicine, 2011, vol. 125, no. 3, p. 453-458

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    Titre
    • Correlation of fat embolism severity and subcutaneous fatty tissue crushing and bone fractures
    Auteur
    • Bolliger, Stephan. Department of Forensic Medicine, Institute of Forensic Medicine, IRM, University of Bern, Buehlstrasse 20, CH 3012, Bern, Switzerland
    • Muehlematter, Karin. Department of Forensic Medicine, Institute of Forensic Medicine, IRM, University of Bern, Buehlstrasse 20, CH 3012, Bern, Switzerland
    • Thali, Michael. Department of Forensic Medicine, Institute of Forensic Medicine, IRM, University of Bern, Buehlstrasse 20, CH 3012, Bern, Switzerland
    • Ampanozi, Garyfalia. Department of Forensic Medicine, Institute of Forensic Medicine, IRM, University of Bern, Buehlstrasse 20, CH 3012, Bern, Switzerland
    Type de document
    • Postprint
    Langue
    • Anglais
    Publié dans
    • International Journal of Legal Medicine, 2011, vol. 125, no. 3, p. 453-458. Springer-Verlag
    Autre version électronique
    Identifiant OAI-PMH
    • oai:doc.rero.ch:316377
    Summary
    Pulmonary fat embolism (PFE) is frequently encountered in blunt trauma. The clinical manifestation ranges from no impairment in light cases to death due to right-sided heart failure or hypoxaemia in severe cases. Occasionally, pulmonary fat embolism can give rise to a fat embolism syndrome (FES), which is marked by multiorgan failure, respiratory disorders, petechiae and often death. It is well known that fractures of long bones can lead to PFE. Several authors have argued that PFE can arise due to mere soft tissue injury in the absence of fractures, a claim other authors disagree upon. In this study, we retrospectively examined 50 victims of blunt trauma with regard to grade and extent of fractures and crushing of subcutaneous fatty tissue and presence and severity of PFE. Our results indicate that PFE can arise due to mere crushing of subcutaneous fat and that the fracture grade correlated well with PFE severity (p = 0.011). The correlation between PFE and the fracture severity (body regions affected by fractures and fracture grade) showed a lesser significant correlation (p = 0.170). The survival time (p = 0.567), the amount of body regions affected by fat crushing (p = 0.336) and the fat crush grade (p = 0.485) did not correlate with the PFE grade, nor did the amount of body regions affected by fractures. These results may have clinical implications for the assessment of a possible FES development, as, if the risk of a PFE is known, preventive steps can be taken