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99 Z. Rechtsmedizin 1 (1987-1988)

handle is hein.journals/injlegame99 and id is 1 raw text is: Zeitschrift fur Z Rechtsmed (1987) 99:1-33 Rechtsmedizin © Springer-Verlag 1987 Ubersichtsreferate / Review Articles Verletzungen der groBen Hirnschlagadern und vitale Reaktion Eine elektronenoptische Studie*, **, *** W. Kraulandt, H. Bratzke2 1Institut fur Rechtsmedizin der Freien Universitat Berlin, Hittorfstrasse 18, D-1000 Berlin 33 2Institut fur Rechtsmedizin der Ludwig-Maximilians-Universitat, D-8000 Munchen 2, Bundesrepublik Deutschland Injuries of the Large Arteries of the Brain and Vital Reaction An Electron Microscopic Study Summary. In 90 forensic autopsies (Craniocerebral injury, gunshot, stab- bing, blow, strangulation, etc.), semithin sections of great arteries were pre- pared from around 770 Epon blocks and checked for vital reactions at the mural and intimal ruptures. In 21 cases in which death had occurred immedi- ately or soon after the trauma, with three exceptions, there was a subse- quent electron microscopic investigation. In all six mural ruptures and in five of ten intimal ruptures, thrombocyte aggregates were found at the rupture margins. In five intimal ruptures, the possibility of the occurrence of prepa- ration injuries had to be considered. In five cases, the results of the histolog- ical study were negative. The success rate is limited in principle in such a screening test since there are technical difficulties in preparing serial sections on long vessels. Death was rapid and the thrombocytes were observed to adhere to the injured wall sites immediately after the trauma. The throm- bocyte sign is thus of substantial importance as the earliest local vital reac- tion. In two control cases (strangulation), thrombocyte aggregates were found at intimal ruptures of the basilar artery, which were regarded as the results of stretching via the vertebral arteries during attacks to the neck. The healing processes of intimal ruptures and traumatic medial necrosis in in- complete ruptures occurring later in life are discussed. Even if a cadaver is a few days old, the histological findings at the level of the thrombocytes can be evaluated. * Erweiterte Fassung eines Vortrages anlalilich der 65. Jahrestagung der Deutschen Gesell- schaft fur Rechtsmedizin, St. Gallen 9.9.1986 ** Herrn Prof. Hubert Patscheider zum 65. Geburtstag gewidmet *** Mit Unterstiitzung durch die Deutsche Forschungsgemeinschaft Sonderdruckanfragen an: Prof. Dr. H. Bratzke, Frauenlobstr. 79, D-8000 Munchen 2

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