Abstract
Two series of experiments have been carried out on heart tissue for the occurrence of post-mortem and intravital myocardial damage. The first series was carried out on 18 porcine hearts collected immediately after the pigs were killed in a slaughterhouse. The hearts were subjected to stab wounds post-mortem, varying between 5 min and 140 min after death. The second series investigated were human hearts with intravital damage, i.e. 4 stab wounds, 1 gunshot, 13 contusions and ruptures. The time the trauma occurred before death varied between 0 and 30 min. The investigation comprised the four myocyte structural proteins myoglobin, FABP, troponin C, desmin and the three plasma proteins fibrinogen, fibronectin and C5b-9. Both series exhibited a variety of direct traumatic changes with a much broader zone in vital damage compared to post-mortem damage. In vital damage the zone of direct damage is in continuity with a further zone of indirect damage which is a three dimensional network. The signs of damage are contraction bands, depletion of structure antigens, contraction-associated accumulation of structure proteins, accumulation of plasma proteins on the cell surfaces and in the interstitium. In vital damages there is in addition an intrasarcolemmal accumulation of plasma proteins. The pattern of all damage is much broader and much more variegated in vital damage, thus vital damage can be clearly differentiated from post-mortem damage.
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Received: 23 November 2000 / Accepted: 28 December 2000
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Ortmann, C., Pfeiffer, H. & Brinkmann, B. Immunohistochemical alterations after intravital and post-mortem traumatic myocardial damage. Int J Leg Med 115, 23–28 (2001). https://doi.org/10.1007/s004140100216
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DOI: https://doi.org/10.1007/s004140100216