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[Determination of death mechanisms in forensic-medical examination of a corpse].

Applied aspects of multivalued and modal logics served the basis for the proposed algorithm of tanatological analysis of autopsy material including formalization of semiquantitative data on changes in vital organs with further conversion of the estimated tanatogenetic coefficients in the form of probability suggestions leading to the conclusion about the kind and speed of tanatogenesis. The method is illustrated by cases from expert practice.

Adult↗

[Assessment of unfavorable outcomes of dental care provoked by the patient].

Some causes of ineffective dental care because of the patient's negligence were analyzed. In 16 cases the patients ignored recommendations of the dentist and missed visits to the doctor. As a result, the patients developed complications leading to esthetic dissatisfaction, prolonged treatment, repeated prosthetic management.

Adult↗

[Microscopic lesions of the myocardium in acute coronary heart disease].

A statisticomathematical analysis of microscopic changes in the myocardium has established pathognomonic and differential-diagnostic morphological signs for diagnosis of acute ischemic heart disease--acute coronary failure and acute myocardial infarction at the prenecrotic stage. The results of chromotrop 2B water blue staining of histological preparations and polarization microscopy were compared.

Acute Disease↗

[Biomechanical features of spinal trauma depending on conditions of the trauma].

The aim of the study was to investigate biomechanical features of spinal trauma (fractures) depending on external impact, position of a human body or its parts in the moment of the trauma and before it; to reveal morphological signs of fractures characterizing specific trauma mechanisms. From a position of theoretical mechanics, the vertebral column is an elastic stem the strength of which depends on elastic properties of the pulpous nuclei and intervertebral disks, the column length and curvature. To determine the mechanism of the trauma, it is recommended to make the following measurements: the length of the body, the length of the vertebral column, the length of the cervical, thoracic, lumbar parts, size of the chest kyphosis.

Anthropometry↗

[Gun-shot fractures of the flat bones: mechanisms of development].

We studied experimental gun-shot fractures in the flat bones due to slow-speed bullets. We have found common features information of gun-shot fractures. Fragmentation of the bone tissue occurs within a Herz cone surrounded by ring-shape fissures as a result of crossing over of subsurface and median fissures. Invasion of the bullet into the bone thickness is accompanied with shift abruption of bone fragments, their parallel transfer, rotation and radial movement. In the injury with slow-speed blunt-pointed bullets the fragments move, as a rule, by parallel transfer and rotation. In the injury with sharp-pointed bullets, of a key importance is radial movement of the fragments changing characteristics of the gun-shot fracture.

Firearms↗

[Forensic medical characteristics of Glock 19 pistol-shot wounds].

An experimental study was made of gun-shot wounds inflicted by shots from a modern stub-barrelled pistol 9mm Glock 19. The study has ascertain characteristics differentiating injuries inflicted by shots from this pistol: specific recoil injury, specific topography, intensity and distribution of begrime, gunpowder and metal particles and relevant lesions. It was found that depth of penetration under the skin depends both on shooting distance and the position of the particle from the inlet.

Firearms↗

[Quantitative assessment of brain hydration in determination of death speed and type of tanatogenesis in forensic medical practice].

Brain hydration was determined in death of strangulation mechanical asphyxia, acute alcoholic poisoning, acute poisoning with opiates, cancer of stage IV, coronary heart disease with acute heart failure, hemorrhagic stroke. Brainstem edema (BSE) occurred in 69.2% cases (upper BSE - 20.2%, lower BSE - 17.3%, BSE of the all parts - 31.7%). BSE was present in all cases of opiate poisoning; 52.9% cases of hemorrhagic strokes, 61.3% cases of coronary heart disease. The data obtained show prevalence of brain tanatogenesis in death of the above diseases. Hypohydration and hyperhydration of the brain were observed in short and slow agony, respectively.

Brain↗

Forensically important fly maggots in a floating corpse: the first case report in Thailand.

The authors report herein the entomological evidence from the first documented forensic floating corpse in Thailand. The male remains of unknown name and age was found in the waterside of a reservoir in Lampang province, northern Thailand. Approximately 13-16 wounds resulting from sharp-edged material were found on the body. Numerous third-instar of blowflies Chrysomya megacephala (F) and Chrysomya rufifacies Macquart (Diptera: Calliphoridae) were collected, and the entomological evidence of the latter species could be used to estimate approximately 7 days of the postmortem interval. This is the first report of C. megacephala as forensic important fly species in Thailand. Additional research is needed to ascertain the effects of water on the succession and development of both fly species subsequently coming to associate with a corpse so treated in Thailand.

Animals↗

[Relationship between DNA degradation and postmortem interval of corrupt corpse].

OBJECTIVE: To study the relationship between DNA degradation and postmortem interval of corrupt corpse. METHODS: By determining the marrow DNA content with histochemical technique and image analysis. RESULTS: The content of marrow DNA decreased gradually with prolongation of postmortem interval, and it evencould be detected till 14 days after death. CONCLUSION: There was a linear relationship between the degradation rate of the nuclear DNA and postmortem interval.

Adult↗

[The expression and significance of IgE in anaphylactic shock guinea-pigs].

OBJECTIVE: To seek the pathomorphological targets for forensic expertise in anaphylactic shock. METHODS: The expression of IgE in hearts, lungs, livers, spleens, kidneys, gastrics, intestinals, tracheas and tonsils of anaphylactic shock guinea-pigs was observed at 0, 6, 12 h and 24 h respectively by tissue chip S-P immuno-histochemical method. RESULTS: Positive expression of IgE presented in lungs and tracheas in the test group with the peak at 0 hour and it declined as time advanced, and also there were significant differences at different times (P<0.05). CONCLUSION: The immuno-histochemical method of detecting the expression of IgE in lungs, tracheas and spleens can be supposed to be the pathomorphological targets for forensic expertise in anaphylactic shock. The weakening of the positive expression of IgE in lungs and tracheas as the time advanced suggested that in this kind of case the autopsy should be arried out as early as possible.

Allergens↗

[Retrospective analysis of autopsy on 49 cases of medical tangles in perinatal period].

Medical tangles caused by the death of women and infants in perinatal period are very normal in the forensic appraisal. The author collected and analyzed 49 cases of these tangles from many aspects, such as sex and age of the dead, hospital,information of autopsy, fault of medical action and so on,and discovered the normal causes of death, medical action's effects and the causes of tangle. It would be useful to the forensic appraisal, settlement and prevention of these medical tangles.

Adult↗

[Analysis of cranio-cerebral injury based on 200 autopsy cases].

Two hundred autopsy cases that died from cranio-cerebral injury were analyzed on the damage characteristics caused by different instruments. The injury mechanism was then classified according to beating direction, sequence, as well as baring spot of injury, which is seek to serve for the estimation of wounding instruments and determination of the character of case.

Accidents↗

[Medico-legal and victimology aspects of homicides in the material of Bialystok Institute of Forensic Medicine in the years 1982-2003].

The authors presented an analysis of homicides based on autopsy material collected at Institute of Forensic Medicine in Bialystok in the years 1982-2003. Of 8,780 postmortem examinations, this type of death accounted for 7,4 % of cases, including 31,2 % women and 68,8 % men. Married individuals predominated among females, whereas the majority of male victims were single. Fifty-seven percent of victims died on the crime scene, 5,3 % within 48 hours. In conflicts of long-standing, immediate conflicts and fights, the perpetrators most commonly employed hard, blunt or blunt-edged crime weapons. In cases of murder with robbery and sexual homicides, strangulation was the most frequently used method. No seasonal character in homicide prevalence was observed.

Adolescent↗

Homicidal deaths by firearms in Peshawar: an autopsy study.

BACKGROUND: Medico legal autopsies can be valuable sources of information about the distribution of causes of reported deaths, particularly in homicidal cases. The present study provides information regarding the homicidal deaths due to firearm injuries in the district of Peshawar, NWFP, Pakistan. METHODOLOGY: This descriptive study was conducted over the period of the year 2004. Data were collected from the autopsy records of the Department of Forensic Medicine, Khyber Medical College Peshawar and included all reported unnatural deaths from urban and rural areas of district Peshawar on whom autopsies were conducted in the department. RESULTS: Homicidal deaths constituted 77.7% (492/633) of all autopsies for the year 2004. Of 492 homicidal deaths, a vast majority of 452 (91.87%) were caused by firearm injuries. Among these, the male to female ratio was 5.5:1. The most common firearm weapon (418/452, 92.5%) were high velocity rifled weapons (Kalashnikov, rifles, pistols), followed by low velocity rifled weapons (18/452, 3.98%) and shotguns (16/452, 3.54%). A total of 956 injuries were found in various body areas, giving an average of over two injuries per person. The head, face and neck sustained the highest injuries (257, 26.9%), followed by the chest (248, 25.9%) and abdomen (149, 15.6%); the extremities, buttocks and genitalia together sustained 302 (31.6%) injuries. CONCLUSION: The vast majority of reported homicides in Peshawar are caused by firearm injuries, which bring up issues related to possession of firearms and changes in cultural attitudes towards use of firearms, if a decrease in firearm-related homicides is desired.

Adolescent↗