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Int J Legal Med ; 2019 Dec 04.
Artigo em Inglês | MEDLINE | ID: mdl-31802193


Custodial deaths refer to the death of an individual who is in prison, a detention center, or a police station. The present study aims to retrospectively analyze cases of custodial deaths examined at Tongji Medico Legal Expertise Center in Hubei (TMECH). A total of 172 out of 5853 cases were screened at TMECH from January 1999 to December 2016. Male preponderance was observed in 172 cases (male-female ratio: 5:1). Natural deaths accounted for the majority (70.93%), followed by suicide (16.28%), accidents (3.49%), homicides (4.65%), and undetermined causes (4.65%). The most common natural cause was cardiovascular disease. Custodial deaths occurred more frequently in prisons and detention houses than in police cells (63%, 63%, and 46%, respectively). Among the 172 cases, 105 deaths occurred after resuscitation failure despite the individual being sent to the hospital. The average age across cases was 36.3 years, and 90% of the deceased were aged under 50 years. Since there is no officially reported data regarding the prevalence of causes and manners of custodial deaths in China, our analysis contributes to enhancing the understanding of such deaths in central China and serves as a reference for law enforcement to develop a prevention program to reduce incidents of mortality in custody.

Medicine (Baltimore) ; 97(7): e9941, 2018 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-29443781


RATIONALE: Acute epiglottitis is a potentially life-threaten disease, which makes it more challenging to save the life for doctors. Unexpected deaths in custody are a primary cause of concern for the forensic community and doctor worldwide. PATIENT CONCERNS: We present a case of a 44-year-old male detainee who was clinically suspected of dying of acute epiglottitis. The man experienced failure of resuscitation and died after admitted to a hospital. DIAGNOSES: The autopsy, toxicological testing, the test of immunoglobulin E and bacterial culture suggested the patient died of acute epiglottitis. INTERVENTIONS: The bacterial culture was performed to imprecisely identify the cause of death. OUTCOMES: The bacterial culture of the patient's heart blood and nasal and throat swabs showed the presence of the pathogenic microorganism Haemophilus influenza type B. LESSONS: We aim to provide a reference to the medical and forensic community and remind the local law enforcement agencies on the problems present within the correctional healthcare system through this case report. Additionally, we also aim to increase the current knowledge and understanding on custodial deaths caused by natural diseases.

Morte Súbita/etiologia , Epiglotite/diagnóstico , Infecções por Haemophilus/diagnóstico , Prisioneiros , Doença Aguda , Adulto , Autopsia , Epiglotite/virologia , Evolução Fatal , Humanos , Masculino
J Forensic Sci ; 63(3): 745-751, 2018 May.
Artigo em Inglês | MEDLINE | ID: mdl-28833136


A method to determine postmortem interval (PMI) based on environmental temperature and the concentrations of vitreous humor (VH) molecules were explored. Rabbit carcasses were placed in a chamber at 5, 15, 25, or 35°C, and 80-100 µL of VH was collected with the double-eye alternating micro-sampling method every 12 h. A Roche DPPI biochemical analyzer was used to measure the concentrations of six substances in VH samples. The interpolation function model and mixed-effect model were employed for data fitting to establish equations for PMI estimation. The concentrations of K+ , P, Mg2+ , creatinine (CRE), and urea nitrogen (UN) exhibited an upward trend with increasing PMI in all temperature groups, while the concentration of Ca2+ showed a downward trend. Validation results using K+ and Mg2+ ions revealed that the mixed-effect model provided a better estimation than the interpolation function model using the data from our experiment. However, both models were able to estimate PMI using temperature and VH molecule concentrations.

Mudanças Depois da Morte , Temperatura Ambiente , Corpo Vítreo/metabolismo , Animais , Nitrogênio da Ureia Sanguínea , Creatinina/metabolismo , Magnésio/metabolismo , Modelos Animais , Modelos Teóricos , Fósforo/metabolismo , Potássio/metabolismo , Coelhos , Reprodutibilidade dos Testes
Forensic Sci Med Pathol ; 13(3): 336-341, 2017 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-28752200


Sudden cardiac death (SCD) is a major health challenge. The records of 769 autopsy cases of SCD examined at Tongji Medicolegal Expertise Center from January 2006 to December 2015 were retrospectively reviewed. The mean age of the cases was 46 years, excluding 27 victims in whom the exact age could not be confirmed. The highest incidence of SCD occurred among the 40- to 60-year-old group (45.0%). Male preponderance was observed in SCD cases (male: female ratio: 5.0:1), and this preponderance was even higher (8.0:1) in the 10- to 20-year-old and 60- to 70-year-old groups. Death predominantly occurred in hospitals (37.4%) and outdoors (32.5%). The incidence of SCD did not differ significantly between the seasons. Coronary atherosclerotic disease (CAD) was the main cause of SCD (67.9%), followed by unexplained SCD (6.1%), myocarditis (5.7%), cardiomyopathy (4.7%), rupture of aortic dissection (3.9%), and cardiac conduction system disease (3.9%). In terms of the CAD cases, the mean age was 52.0 years and coronary artery stenosis exceeding 75% accounted for 73.6% of cases. The left anterior descending branch was involved with atherosclerosis in 92.0% of cases. In conclusion, detailed autopsy and forensic pathology examination is key to diagnosing SCD. Making an early diagnosis and performing early intervention of CAD may reduce the mortality of SCD. Additionally, the use of molecular genetic tests plus forensic pathology diagnosis will help further determine the underlying cause of death in individuals with SCD.

Morte Súbita Cardíaca/epidemiologia , Adolescente , Adulto , Distribuição por Idade , Idoso , Idoso de 80 Anos ou mais , Aneurisma Dissecante/mortalidade , Aneurisma Dissecante/patologia , Ruptura Aórtica/patologia , Arritmias Cardíacas/mortalidade , Cardiomiopatias/mortalidade , Cardiomiopatias/patologia , Criança , China/epidemiologia , Doença da Artéria Coronariana/mortalidade , Doença da Artéria Coronariana/patologia , Morte Súbita Cardíaca/etiologia , Feminino , Patologia Legal , Humanos , Incidência , Masculino , Pessoa de Meia-Idade , Miocardite/mortalidade , Miocardite/patologia , Estudos Retrospectivos , Estações do Ano , Distribuição por Sexo , Adulto Jovem