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An Autopsy and Histopathology-based Study to Ascertain the cause of death of Brought Dead Cases

Journal of Forensic Science and Medicine 2024年第1期10卷 28-33页

作者： Chandan Bandyopadhyay Prabir Chandra Paul Prabhas Chandra Chakraborty Department of Forensic and State Medicine Medical CollegeKolkataWest BengalIndia Department of Pathology Jagannath Gupta Institute of Medical Science and HospitalKolkataWest BengalIndia Department of Forensic Medicine and Toxicology NRS Medical College and HospitalKolkataand M.G.M Medical College and L S.K HospitalKishanganjBiharIndia

Background and Objectives:The cases of apparent natural deaths are encountered in the hospital casualties who are noted dead at the time of the first medical attention and as such are labeled as“Brought Dead.”These include the cases of sudden death,unexplained death,and unattended *** cause of such deaths is reported in the literature to emanate principally from the cardiovascular system,though there are some documented geographical,racial,and other *** the present study,we endeavored to detect the cause of such natural deaths in terms of the disease and the organ system involved,in the deceased individuals of the contemporary Bengali population,with cases due to obvious unnatural causes being *** and Methods:An observational,cross-sectional study with 105(n=105,male:89,female:16)study subjects of age group of 20-80 years,selected by systemic random sampling,from the brought dead subjects coming to the mortuary of the NRS Medical College and Hospital for medicolegal autopsy from April 2011 to March 2012,excluding cases having a history of the obvious unnatural *** system-wise gross examination was done,followed by tissue sampling for histopathological *** case-wise findings were tabulated and analyzed for descriptive statistics using SPSS ***:In the present study,89 cases were male(84.8%)and 16 cases were female(15.2%),which reflects a male:female ratio of 5.56:*** dead bodies are mostly recovered from the footpaths(47 cases,44%).Sixty-four(61%)cases are of known *** 54 cases out of 105(51.4%),morbid pathology is detected in the respiratory system(RS),lobar pneumonia,and cavitary pulmonary tuberculosis being the most frequent disease entity,in both ***-one years-sixty-five years is found to be the most commonly affected age group,in both *** and Conclusions:The present study shows that the most common organ system involved in brought dead cases is the RS,which is s

关键词： Autopsy brought dead cause of death histopathology

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Clinical Predictors for Reduced Long-Term Survival and cause of death after Curative Resection for Rectal Cancer

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Journal of Cancer Therapy 2021年第1期12卷 31-46页

作者： Ola Røkke Thomas Heggelund Jūratė Šaltytė Benth Marianne Steffensen Røkke Kjell Øvrebø Department of Digestive Surgery Akershus University Hospital Lorenskog Norway Institute of Clinical Medicine Campus Ahus University of Oslo Oslo Norway Health Services Research Unit Akershus University Hospital Lorenskog Norway Department of Head and Neck Surgery Akershus University Hospital Lorenskog Norway Department of Digestive Surgery Haukeland University Hospital Bergen Norway

Purpose: To identify clinical predictors for reduced long-term survival and describe the cause of death after surgical treatment for rectal cancer. Methods: A retrospective follow-up study of 442 consecutive, unselected patients treated for rectal cancer at a tertiary centre from 1990 until 2000 and followed for 17 years or until death. Predictors for death were assessed by Cox regression analysis. The cause of death was obtained from the Norwegian Cause of Death Registry. Results: 254 men and 188 women with a median age of 71 years (21 - 95 years) were resected for rectal cancer with low anterior resection (n = 266), abdominoperineal resection (n = 125), Hartmann’s procedure (n = 19) or diverting stoma only (n = 32). Median follow-up was 5 years (0 - 17 years). The relative five-year survival rates for stages I, II, III and IV was 83.9%, 65.2%, 41.1% and 9.3%, respectively. The proportion of deaths due to recurrence from colorectal cancer in stages I, II, III and IV was 23.5%, 55.8%, 72.3% and 98.0%, respectively. Heart, lung and cerebrovascular disease and other malignancies were the cause of death in the other patients. Higher age, abdominoperineal resection compared to low anterior resection, lack of lymph node dissection compared to total mesorectal excision (TME), postoperative reoperations, TNM stages II and III compared to stage I and residual tumours after surgery were all si

关键词： Rectal Cancer Predictors Survival Recurrence Reoperation Complication cause of death

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The Effect of Coding Method on cause-of-death Rankings

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Open Journal of Statistics 2023年第6期13卷 778-788页

作者： Peter Harteloh Statistics Netherlands The Hague The Netherlands

Background: cause-of-death rankings are often used for planning or evaluating health policy measures. In the European Union, some countries produce cause-of-death statistics by a manual coding of death certificates, while other countries use an automated coding system. The outcome of these two different methods in terms of the selected underlying cause of death for statistics may vary considerably. Therefore, this study explores the effect of coding method on the ranking of countries by major causes of death. Method: Age and sex standardized rates were extracted for 33 European (related) countries from the cause-of-death registry of the European Statistical Office (Eurostat). Wilcoxon’s rank sum test was applied to the ranking of countries by major causes of death. Results: Statistically significant differences due to coding method were identified for dementia, stroke and pneumonia. These differences could be explained by a different selection of dementia or pneumonia as underlying cause of death and by a different certification practice for stroke. Conclusion: Coding method should be taken into account when constructing or interpreting rankings of countries by cause of death.

关键词： cause-of-death Statistics cause of death Ranking Automated Coding Manual Coding Epidemiology Health Policy

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Trends of Ten Leading causes of death in Head and Neck Squamous Cell Carcinoma

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Current Medical Science 2022年第1期42卷 118-128页

作者： Wen-hui LIU Yi-nan LU Mei-ting SUN De-heng NIE Fu-jun HAN Cancer Center The First Hospital of Jilin UniversityChangchun 130021China College of Computer Science and Technology Jilin UniversityChangchun 130021China

Objective:An understanding of the leading causes of death in patients with head and neck squamous cell carcinoma(HNSCC)would be helpful to inform doctors,patients,and healthcare providers on disease *** study aimed to... 详细信息

关键词： cause of death head and neck heart disease squamous cell carcinoma trend

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The histopathological spectrum of myocardial inflammation in relation to circumstance of death:a retrospective cohort study in clinical and forensic autopsies

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Forensic Sciences Research 2022年第2期7卷 238-246页

作者： Romy du Long Judith Fronczek Hans W.M.Niessen Allard C.van der Wal Hans H.de Boer Department of Pathology Amsterdam University Medical CenterUniversity of AmsterdamAmsterdamThe Netherlands Department of Forensic Medicine Netherlands Forensic InstituteThe HagueThe Netherlands

Interpreting a myocardial inflammation as causal,contributory or as of no significance at all in the cause of death can be challenging,especially in cases where other pathologic and/or medico-legal findings are also *** further evaluate the significance of myocardial inflammation as a cause of death we performed a retrospective cohort study of forensic and clinical autopsy *** revised the spectrum of histological inflammatory parameters in the myocardium of 79 adult autopsy cases and related these to the reported cause of *** slides were reviewed for the distribution and intensity of inflammatory cell infiltrations,the predominant inflammatory cell type,and the presence of inflammation-associated myocyte injury,fibrosis,edema and ***,the cases were divided over three groups,based on the reported cause of *** 1(n=27)consisted of all individuals with an obvious unnatural cause of *** 2(n=29)included all individuals in which myocarditis was interpreted to be one out of more possible causes of *** 3(n=23)consisted of all individuals in which myocarditis was reported to be the only significant finding at autopsy,and no other cause of death was *** application of our histological parameters showed that only a diffuse increase of inflammatory cells could discriminate between an incidental presence of inflammation(Group 1)or a potentially significant one(Groups 2 and 3).No other histological parameter showed significant differences between the *** results suggest that generally used histological parameters are often insufficient to differentiate an incidental myocarditis from a(potentially)significant one.

关键词： Forensic sciences myocarditis myocardial inflammation diagnosis forensic pathology cause of death autopsy pathology

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Forensic Significance of Messenger RNA and Protein Expression of Genes Downstream of Hypoxia Inducible Factor 2 in Myocardial Tissue for death Discrimination

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Journal of Forensic Science and Medicine 2023年第3期9卷 271-280页

作者： Xingyu Ma Yeming Li Ya Xi Liyang Su Yuxing Tong Chun Wang Dong Zhao Key Laboratory of Evidence Science(China University of Political Science and Law) Ministry of EducationBeijingChina

Background: As a heterodimeric transcription factor, hypoxia-inducible factor 2 alpha subunit (HIF2A), is an important member of the HIF family. It plays a significant role in the hypoxia adaptation process by regulating the different types of downstream transcription factors and auxiliary regulatory factors. HIF2A-related factors are believed to participate in the progression of myocardial injury or myocardial ischemia, support the protection of ischemic myocardium, and provide guiding significance for the diagnosis and discrimination of sudden cardiac death in forensic pathology. Aim and Objectives: This study aimed to explore the discriminability and applicability of HIF2A-related factors in myocardial infarction cases compared with other causes of death, provide further insights for the forensic diagnosis of heart failure (HF) cases with myocardial infarction, and support the clinical treatment of patients with HF after myocardial infarction. Materials and Methods: The relative expression levels of HIF2A, amphiregulin (AREG), potassium large conductance calcium-activated channel subfamily M β1 (KCNMB1), peroxisome proliferator-activated receptor α (PPARA), vascular endothelial growth factor (VEGF), and VEGFR2 messenger RNAs (mRNAs) in myocardial tissue samples were performed using quantitative reverse transcriptase-polymerase chain reaction. A partial least squares-discriminant analysis model was constructed to select the indicators with better identification effects for myocardial infarction cases. The protein levels of HIF2A, AREG, KCNMB1, and PPARA were further detected by immunohistochemistry. The forensic autopsy cases (27 cases in total, postmortem interval <72 h) included seven cases of acute myocardial infarction and ten cases of myocardial ischemia. There were ten cases in the control group, including four cases of traffic injury, one case of injury by fall from height, and five cases of blunt force injury. Results: Characteristic results were observed

关键词： cause of death hypoxia-inducible factor-2 alpha subunit myocardial infarction peroxisome proliferator-activated receptor-α potassium large conductance calcium-activated channel subfamily M-β1 recombinant amphiregulin

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Exosome Biomarkers in Cardiovascular Diseases and their Prospective Forensic Application in the Identification of Sudden Cardiac death

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Journal of Forensic Science and Medicine 2022年第4期8卷 170-178页

作者： Ye Wang Jie Wang Li Hu Shuainan Huang Yue Cao Youjia Yu Feng Chen Department of Forensic Medicine Nanjing Medical UniversityNanjingChina Key Laboratory of Targeted Intervention of Cardiovascular Disease Collaborative Innovation Center for Cardiovascular Disease Translational MedicineNanjing Medical UniversityNanjingChina

Sudden cardiac death(SCD)is a common cause of death due to the high prevalence and mortality of cardiovascular disease(CVD).Currently,the forensic identification of SCD relies on traditional histomorphological examination,lacking stable biomarkers with high specificity and *** studies have shown that exosomes(Exos)are ideal vectors and the application of Exos provides novel insight as the diagnostic biomarkers and treatment of CVD,and is hot research filed in *** review briefly describes the biology of Exos,including the biogenesis of Exos and the mechanisms of *** research progresses on Exos multi‑omics,i.e.,genomics,proteomics and metabolomics,and their roles in the diagnosis of different types of CVD,especially coronary heart disease and cardiomyopathy,are *** addition,the current difficulties of applications of Exos in forensic identification of SCD and the prospective forensic applications in the future are *** aim of this review is to summarize the current advances of Exos in CVD in a disease‑oriented manner,and to provide a reference for future forensic pathological identification of SCD,as well as the early diagnosis of SCD in clinic.

关键词： Cardiovascular disease cause of death exosomes forensic pathology sudden cardiac death

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AN ANALYSIS FOR death causeS IN 45 CASES OF LIVER CANCER TREATED WITH TRADITIONAL CHINESE DRUGS

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Journal of Traditional Chinese Medicine 1999年第2期19卷 97-99页

作者：杨宗艳隋希文 Guang'anmen Hospital China Academy of Traditional Chinese MedicineBeijing 100053

Among the 165 cases of late-stage liver cancer treated in our hospital,65(39.4%)died,with an average survival time of 8.1 months and a median survival time of 7 *** the 65 dead patients,45 were treated with traditional Chinese drugs and 20 withwestern *** average survival time was 8.4 months in the former and 7.3months in the latter *** direct causes of death for the 65 patients were hepaticcoma,severe hemorrhage of the upper digestive tract,Heyd’s syndrome,hepatorrhexis,respiratory failure,cardiac failure,*** incidence rates of hemorrhage of the upperdigestive tract and hepatorrhexis in the 45 patients treated with traditional Chinese drugswere obviously lower than those treated with western medicine.

关键词： cause of death Adult Aged China Drugs, Chinese Herbal Gastrointestinal Hemorrhage Hepatic Encephalopathy Humans Liver Diseases Liver Neoplasms Middle Aged Rupture, Spontaneous

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Hepatocellular carcinoma in extremely elderly patients:An analysis of clinical characteristics,prognosis and patient survival

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World Journal of Gastroenterology 2006年第1期12卷 48-53页

作者： Gengo Tsukioka Satoru Kakizaki Naondo Sohara Ken Sato Hitoshi Takagi Hirotaka Arai Takehiko Abe Mitsuo Toyoda Kenji Katakai Akira Kojima Yuichi Yamazaki Toshiyuki Otsuka Yutaka Matsuzaki Fujio Makita Daisuke Kanda Katsuhiko Horiuchi Tetsuya Hamada Mieko Kaneko Hideyuki Suzuki Masatomo Mori Department of Medicine and Molecular Science Gunma University Graduate School of MedicineMaebashiGunma 371-8511Japan Department of Gastroenterology Maebashi Red Cross HospitalMaebashiGunma 371-0014Japan Department of Internal Medicine Isesaki Municipal HospitalIsesakiGunma 372-0817Japan Department of Internal Medicine Kiryu Kousei General HospitalKiryuGunma 376-0024Japan Department of Internal Medicine Tone Chuo HospitalNuraataGunma 378-0053Japan Department of Gastroenterology National Nishigunma HospitalShibukawaGumna 377-0027Japan Department of Gastroenterology Saiseikai Maebashi HospitalMaebashiGunma 371-0821Japan Department of Gastroenterology Public Tomioka General HospitalTomiokaGunma 370-2361Japan Department of Internal Medicine Fuji Heavy Industries Ltd.Health Insurance Society General Ota HospitalOtaGunma 373-0056Japan Department of Gastroenterology Shimada Memorial HospitalFujiokaGunma 375-0024Japan

AIM： To identify the clinical and prognostic features of patients with hepatocellular carcinoma （HCC） aged 80 years or more. METHODS： A total of 1310 patients with HCC were included in this study. Ninety-one patients aged 80 years or more at the time of diagnosis of HCC were defined as the extremely elderly group. Two hundred and thirty-four patients aged 〉/ 50 years but less than 60 years were regarded as the non-elderly group. RESULTS： The sex ratio （male to female） was significantly lower in the extremely elderly group （0.90：1） than in the non-elderly group （3.9：1, P〈 0.001）. The positive rate for HBsAg was significantly lower in the extremely elderly group and the proportion of patients negative for HBsAg and HCVAb obviously increased in the extremely elderly group （P〈 0.001）. There were no significant differences in the following parameters： diameter and number of tumors, Child-Pugh grading, tumor staging, presence of portal thrombosis or ascites, and positive rate for HCVAb. Extremely elderly patients did not often receive surgical treatment （P 〈 0.001） and they were more likely to receive conservative treatment （P〈 0.01）. There were no significant differences in survival curves based on the Kaplan-Meier methods in comparison with the overall patients between the two groups. However, the survival curves were significantly worse in the extremely elderly patients with stage Ⅰ/Ⅱ, stage Ⅰ/Ⅱ and Child-Pugh grade A cirrhosis in comparison with the non-elderly group. The causes of death did not differ among the patients, and most cases died of liverrelated diseases even in the extremely elderly patients. CONCLUSION： In the patients with good liver functions and good performance status, aggressive treatment for HCC might improve the survival rate, even in extremely elderly patients.

关键词： Hepatocellular carcinoma Extremely elderly patients Survival analysis cause of death

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Gestational age-specific neonatal mortality in Hong Kong:a population-based retrospective study

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World Journal of Pediatrics 2023年第2期19卷 158-169页

作者： Xue-Lian Wang Eman Leung Genevieve Po Gee Fung Hugh Simon Lam Department of Neonatology Guangzhou Women and Children’s Medical CenterGuangzhou Medical UniversityGuangdong Provincial Clinical Research Center for Child HealthGuangzhouChina Department of Paediatrics Faculty of MedicineThe Chinese University of Hong KongHong Kong SARChina The Jockey Club School of Public Health and Primary Care Faculty of MedicineThe Chinese University of Hong KongHong Kong SARChina Department of Paediatrics 6/F Lui Che Woo Clinical Sciences BuildingPrince of Wales HospitalSha TinNew TerritoriesHong Kong SARChina

Background The neonatal period is the most vulnerable period during childhood,with the risk of death being the highest even in developed countries/*** Kong’s neonatal mortality(1‰)is among the world’s lowest and has remained similar for 15 *** study aimed to explore neonatal deaths in Hong Kong in detail and determine whether neonatal mortality is reducible at such a low *** Live births in public hospitals in Hong Kong during 01 Jan 2006–31 Dec 2017 were *** data were extracted from the electronic medical *** age-specific mortality was calculated,and the trends were analyzed using the Cochran–Armitage trend *** of death were summarized,and risk factors were identified in multivariate logistic regression *** In 490,034 live births,755 cases(1.54‰)died during the neonatal period,and 293(0.6‰)died during the post-neonatal *** neonatal mortality remained similar overall(P=0.17)and among infants born at 24–29 weeks’gestation(P=0.4),while it decreased in those born at 23(P=0.04),30–36(Pcause of *** anomalies were the leading cause of death in neonates born≥27 weeks’gestation(52%),but its cause-specific mortality decreased(P=0.002,0.6‰to 0.41‰),with most of the decrease attributed to trisomy 13/18 and multiple *** Reduction of neonatal mortality in developed regions may heavily rely on improved quality of perinatal and neonatal care among extremely preterm infants.

关键词： cause of death Neonatal mortality Population based Risk factor Trend

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