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Background: There is strong evidence that alcohol consumption is a significant risk factor for fatal road traffic accidents. It is estimated that the number of alcohol-related road accidents remains high in the past few years in Lithuania. This study aims to examine the prevalence of alcohol in blood samples collected from the autopsy results of road traffic accident victims., Materials and Methods: A retrospective study of 136 road traffic accident victims was performed in State Forensic Medicine Service of Lithuania in the period of 2013 to 2023. We analyzed blood alcohol concentration (BAC) in relation to sex, age, road user type, place and time of the day at death., Results: 31% of the victims were under influence of alcohol at the time of death, with mean BAC 1.99 ± 0.92‰. The mean BAC was 2.16 ± 0.8‰ in male and 1.18 ± 1.12‰ in female group. By the type of road users, 23% of the pedestrians (mean BAC 2.45 ± 0.71‰), 32% of car drivers (mean BAC 2.13 ± 0.75‰), 41% of vehicle passengers (mean BAC of 1.73 ± 1.19‰), 37% of the motorcycle riders (mean BAC of 1.28 ± 0.53‰), 37% of the cyclists (mean BAC of 1.15 ± 0.75‰) were found to be intoxicated during the time of accident. Highest mean blood alcohol concentration was found during the night time hours (9 p. m. - 5 a. m.) 2.28 ± 0.91, comparing to in afternoon hours (12 p. m. - 5 p. m.) 1.49 ± 0.99, evening hours (5 p. m. - 9 p. m.) 2.10 ± 0.73 and morning hours (5 a. m. - 12 p. m.) 1.94 ± 1.00. The mean BAC in road traffic accidents during summer was 1.48 ± 0.71‰, spring 2.25 ± 0.76‰, autumn 2.12 ± 1‰, winter 2.42 ± 1‰., Conclusions: Alcohol consumption by road users is a significant contributing factor in road traffic accidents and their outcomes in Lithuania., (Copyright © 2024 Beata Kirstukaitė, Akvilė Paškauskienė, Sigitas Chmieliauskas, Sigitas Laima, Diana Vasiljevaitė, Jurgita Stasiūnienė. Published by Vilnius University Press.)

Background: Deaths during sexual activities are rarely identified phenomena in forensic medicine practice. Most often, such deaths are classified as accidents or deaths due to the manifestation of certain diseases during sexual activity. It is important to rule out homicide or suicide as the cause of death when investigating sexual deaths. Determining the cause of death requires a comprehensive assessment of the evidence and circumstances and should not be based solely on autopsy findings. When determining the cause of death, it is necessary to evaluate the circumstances of the discovery, important evidence found near the body, the position of the deceased, the place where the deceased was found, and the characteristics of the environment., Cases: Case 1: A 65-year-old male was clothed in women's underwear and was found hanging in a noose in a bedroom after a house fire. The autopsy revealed a ligature mark on the neck, bruises in neck muscles, tears in carotid arteries, and signs of acute pulmonary distension. The cause of death was determined to be suffocation due to neck compression by a ligature, compounded by significant alcohol intoxication, with additional postmortem burns covering 30% of the body surface area likely occurring after death. Case 2: A 55-year-old naked male was found without external injuries but with a plastic tube inserted into the rectum, causing a 2.5 cm rupture in the ileum. The perforation led to complications, including purulent diffuse peritonitis, intoxication, and acute cardiac and respiratory failure, resulting in death within 3-6 hours after insertion. Concurrent findings included atherosclerotic changes in the heart, internal organ hyperemia and edema, hepatic steatosis, renal cyst, and a lack of ethyl alcohol in blood but 0.17 ‰ presence in urine according to toxicology analysis., Conclusions: A detailed evaluation of all the evidence is very important in the forensic examination of the deceased during sexual activity. Therefore, to determine the cause of death, not only the autopsy data, toxicological and microscopic examinations of the deceased are important, but also the evaluation of all findings at the scene. The most common cause of death of an autoerotic nature is asphyxia, and the most commonly identified group of the dead are men aged around 40 years., (Copyright © 2024 Agnė Okulevičiūtė, Sigitas Chmieliauskas, Sigitas Laima, Diana Vasiljevaitė, Jurgita Stasiūnienė. Published by Vilnius University Press.)

Background: Tuberculosis is one of the most common infectious diseases in the world. 10.6 million people fell ill in 2021 and 1.6 million died from the disease. Lithuania has the third-highest tuberculosis incidence rate per 100,000 and the second-highest mortality rate per 100,000 in EU/EEA countries. During 2015-2021 years, there were 799 deaths of pulmonary tuberculosis in Lithuania. However, the presence of pulmonary tuberculosis is often unknown before death and is only revealed during autopsy. The aim of the study is to review current literature on this topic and present statistical analysis on evaluated socioeconomical, epidemiological indicators, as well as autopsy findings that may suggest pulmonary tuberculosis infection., Materials and Methods: This research was designed as a retrospective study focusing on full forensic pathology autopsies between 2015 and 2021. Of these, 100 cases were randomly selected where the cause of death was tuberculosis diagnosed during post-mortem examination and compared to a control group consisting of 415 cases of sudden death., Results: The study revealed that out of 100 pulmonary tuberculosis cases, 90% were male with the mean age of 53.48 ± 11.12 years old. In the case of sudden death where tuberculosis was found, a significant portion of the sample (91%) was not followed up at any medical institution. Regarding socioeconomic factors, a moderate negative correlation between Lithuania's gross domestic product and tuberculosis distribution was observed, as well as a weak negative correlation between alcohol consumption (l per capita) in the general population and tuberculosis distribution. The lung weight of the pulmonary tuberculosis group was statistically significantly higher than that of the control group., Conclusions: Tuberculosis remains a major problem in Lithuania and the combination of socioeconomic indicators determines the prevalence of tuberculosis in the country. In cases of sudden death, autopsy helps to identify tuberculosis cases that have not been clinically detected and ensures tuberculosis monitoring. Therefore, the person who performs autopsy remains at high risk of contracting tuberculosis. Furthermore, extreme caution is advised if higher lung weight or hardenings are seen during autopsy because of the possibility of tuberculosis., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2023 Gintarė Zarembaitė, Gabrielė Žiūkaitė, Sigitas Chmieliauskas, Diana Vasiljevaitė, Sigitas Laima, Jurgita Stasiūnienė. Published by Vilnius University Press.)

Background: When conducting a forensic examination of burnt bodies, it is important to determine whether the victim was exposed to fire while alive or after death. The differential diagnosis between antemortem and postmortem burning is difficult and often cannot be made based on information obtained solely from the autopsy. The aim of the study is to review current literature on this topic and present clinical cases that illustrate how challenging the determination of vitality during the fire and manner of death can be., Materials and Methods: We present four cases of burnt homicide victims, illustrating the complexity of forensic determination of the cause of death in the fire and the importance of differential diagnosis of antemortem and postmortem exposure to flames., Results: In the forensic assessment autopsy is a fundamental to determine the cause of death. When death is related to fire, particular findings during autopsy can help to suspect that the victim was alive. One of the main antemortem signs is the deposition of soot in the respiratory tract. Another important test is the toxicological analysis, which determines the level of carboxyhaemoglobin in the blood: a concentration of more than 50% indicates that the person died in the fire., Conclusions: Forensic examination of burnt bodies requires a comprehensive and detailed assessment of all available data. The autopsy, together with additional diagnostic forensic methods, including histological examination, toxicological analysis and postmortem computed tomography, allows the exact cause of death to be determined., (Copyright © 2023 Gabrielė Žiūkaitė, Marta Jasaitė, Sigitas Chmieliauskas, Diana Vasiljevaitė, Sigitas Laima, Dalius Banionis, Jurgita Stasiūnienė. Published by Vilnius University Press.)