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A medical and technical analysis of knee injuries focusing vulnerable road users and restrained car drivers in road traffic

  • Description of road traffic related knee injuries in published investigations is very heterogeneous. The purpose of this study was to estimate the risk of knee injuries in real world car impacts in Germany focusing vulnerable road users (pedestrians, bicyclists and motorcyclists) and restrained car drivers. The accident research unit analyses technical and medical data collected shortly after the accident at scene. Two different periods (years 1985-1993 and 1995-2003) were compared focusing on knee injuries (Abbreviated Injury Scale (AISKnee) 2/3). In order to determine the influences type of collision, direction and speed as well as the injury pattern and different injury scores (AIS, MAIS, ISS) were examined. 1.794 pedestrians, 742 motorcyclists, 2.728 bicyclists and 1.116 car drivers were extracted. 2% had serious ligamentous or bony injuries in relation to all injured. The risk of injury is higher for twowheelers than for pedestrians, but knee injury severity is higher for the latter group. Overall the current knee injury risk is low and significant reduced comparing both time periods (27%, p<0,0001). Severe injuries (AISKnee 2/3) were below 1%). Improved aerodynamic design of car fronts reduced the risk for severe knee injuries significantly (p=0,0015). Highest risk of injury is for motorcycle followed by pedestrians, respectively. Knee protectors could prevent injuries by reducing local forces. The classically described dashboard injury was rarely identified. The overall injury risk for knee injuries in road traffic is lower than estimated and reduced comparing both periods. The aerodynamic shape of current cars compared to older types reduced the incidence and severity of knee injuries. Further modification and optimization of the interior and exterior design could be a proper measurement. Classic described injury mechanisms were rarely identified. It seems that the AIS is still underestimating extremity injuries and their long term results.

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Metadaten
Author:Carl Haasper, Dietmar Otte, Karsten Knolbloch, Christian Probst, Christian Krettek, M. Richter
URN:urn:nbn:de:hbz:opus-bast-3932
Document Type:Conference Proceeding
Language:English
Date of Publication (online):2012/07/31
Contributing corporation:Medizinische Hochschule Hannover / Verkehrsunfallforschung
Release Date:2012/07/31
Tag:Fahrer; Fahrzeug; Fahrzeuginnenraum; Fußgänger; Knie (menschl); Konferenz; Motorradfahrer; Radfahrer; Risiko; Schweregrad (Unfall; Sicherheitsgurt; Unfall ; Unfallrekonstruktion ; Verletzung; Verletzung); Vorn; Zusammenstoß
Accident; Collision; Conference; Cyclist; Driver; Front; Injury; Interior (veh); Knee (human); Motorcyclist; Pedestrian; Reconstruction (accid); Risk; Safety belt; Severity (accid; Vehicle; injury)
Source:2nd International Conference on ESAR "Expert Symposium on Accident Research", S. 144-153
Institutes:Sonstige / Sonstige
Dewey Decimal Classification:3 Sozialwissenschaften / 36 Soziale Probleme, Sozialdienste / 360 Soziale Probleme und Sozialdienste; Verbände
collections:BASt-Beiträge / ITRD Sachgebiete / 80 Unfallforschung
BASt-Beiträge / ITRD Sachgebiete / 84 Personenschäden
BASt-Beiträge / ITRD Sachgebiete / 91 Fahrzeugkonstruktion
BASt-Beiträge / Tagungen / International Conference on ESAR / 2nd International Conference on ESAR

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