• Hitoshi Maeda.
• Department of Legal Medicine, Osaka City University Medical School, 545-8585 Osaka, Japan.
• Nihon Hoigaku Zasshi. 2004 Sep 1; 58 (2): 121-9.

AbstractThe essential social and academic task of legal medicine is to devote itself to a multidisciplinary approach to problems at the interface of medicine and law. It includes forensic medical activity, in which one of the social concerns is to investigate the fatal mechanisms, survival time and physical activity, especially in traumatic and unexpected sudden death, by means of forensic pathological procedures. To meet the social requirements through reliable interpretation of those issues, systematic practical investigations are necessary, establishing the evidence-based assessment in forensic pathology. For that purpose, an approach based on the pathophysiochemistry of fatal mechanisms may be useful to aid or support pathomorphological observations. Essential markers in forensic pathophysiochemistry are the indicators of systemic responses involving acute phase reaction to traumas, i.e., circulatory, respiratory and central nervous system (CNS) functions. A comprehensive study based on previous investigations is necessary to establish practical markers and to promote their use in routine forensic casework. In the present paper, reviewing the literature, our data in routine casework are summarized. Routine forensic casework at our institute includes biochemistry on automated analyzer systems, immunohistochemistry using commercial kits and molecular biology by means of RT-PCR: 1) blood and urine biochemistry in general, 2) oxymetry, 3) serum and pericardial myocardial markers (creatine kinase MB, troponin I and T), 4) serum pulmonary surfactants (SP-A and -D), 5) other serum markers including C-reactive protein, neopterin, catecholamines, cortisol, erythropoietin and S-100 protein, 6) pericardial natriuretic peptides, 7) urinary myoglobin, 8) immunohistochemistry of a pulmonary surfactant (SP-A) in the lungs, ubiquitin, S-100 protein and ssDNA in the brain, and 9) RT-PCR for a pulmonary surfactant (SP-A) in the lungs, ischemia- and hypoxia-related factors (hypoxia-inducible factor 1A, vascular endothelial growth factor and erythropoietin) in the brain, heart and kidneys. Further accumulation of practical data may be essentially important to establish evidence for medico-legal assessment in individual cases and to renew forensic pathology in response to potential social requirements.

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