| Influence of post mortem changes on experimental safety belt injuries. | |
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MedLine Citation:
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PMID: 602445 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Belt protected car occupants involved on head-on collisions do not seem to suffer as severe injuries as unembalmed cadavers subjected to comparable simulated head-on collisions. Therefore it has been questioned if cadavers constitute adequate test specimens for study of thoracic tolerances. This investigation compares injuries in safety belt wearing living and dead pigs which have been subjected to simulated head-on collisions on an acceleration tract. Tests were performed on all 20 pigs (10 living and 10 dead). The arterial side of the circulatory system of the dead pigs was infused. The force in the safety belts, the intraaortic pressure, the impact velocity and the deceleration of the sled were recorded. The tests were high speed filmed. Post mortem examination of the pigs revealed differences in injury severity. Dead pigs more easily suffered rib fractures. Deformation of the rib cage due to stripping of the periosteum and laceration of surrounding tissue occurred mainly in the dead pigs. Laceration of intrathoracic blood vessels was seen in dead pigs while isolated heart lesions were seen only in living animals. The main cause of these differences in tolerance level seems to be post mortem changes of the mechanical properties of the different tissues. The results are valid for pigs but indicate that great care has to be exercised when results obtained from cadaver experiments are evaluated concerning thoracic tolerance. |
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Authors:
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P Löwenhielm; G E Voigt; C B Ljung; B G Wihlberg |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Zeitschrift für Rechtsmedizin. Journal of legal medicine Volume: 80 ISSN: 0044-3433 ISO Abbreviation: Z. Rechtsmed. Publication Date: 1977 Nov |
Date Detail:
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Created Date: 1978-03-10 Completed Date: 1978-03-10 Revised Date: 2008-02-20 |
Medline Journal Info:
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Nlm Unique ID: 0247437 Medline TA: Z Rechtsmed Country: GERMANY, WEST |
Other Details:
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Languages: eng Pagination: 171-82 Citation Subset: IM |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Acceleration Accidents, Traffic Adult Animals Automobile Driving Cadaver Deceleration Humans Postmortem Changes* Seat Belts / adverse effects* Swine Thoracic Injuries / etiology |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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