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Background and Aim: To better guide the health policies, it is essential to clarify the socio‐demographic and clinical risk factors affecting the mortality rate of patients with coronavirus disease 2019 (COVID‐19). Objective: The purpose of this project is to separate hospital mortality statistics into different groups, which will definitely help in planning to reduce the mortality rate. As well, we aimed to compare factors involved in COVID‐19 death between the period before and after its outbreak. Methods: This cross‐sectional study was performed based on all death certificates of archived records in Rasool Akram Hospital during the years 2018 and the first half of 2019. A checklist was completed based on the variables, including death cases by time, gender, age, duration of hospitalization, department of place and time of death, cause of death, cases referred to forensic medicine, information of the patient, including educational and occupational level and birth certificate issuing city, neonatal death, and IUFD, classification of diseases according to the provided version of ICD 10 (international classification of diseases 10th edition). Results: A number of 2632 deceased patients were included in this study, 1511 (57.4%) patients who died before the start of the COVID‐19 outbreak, and 1121 (42.6%) patients died in the hospital after the start of this pandemic. There were statistically significant differences in gender (higher prevalence of males), increased average age, lower occupational status, decreased number of infants, increased cause of death due to COVID‐19 and increased hospitalization in Royal ICU in dead patients (p < 0.05). Conclusion: The findings show that the elderly cases are more at risk of COVID‐19 mortality than other age groups, which needs more attention to this group of society and clarifies other epidemiological factors, as well as clinicopathological and public healthcare practices. [ABSTRACT FROM AUTHOR]

Objectives: This study was aimed to evaluate the various demographic and clinical characteristics in hospitalized children with COVID-19 as well as their comorbidities. Methods: This cross-sectional study evaluated a total of 809 hospitalized COVID-19 patients under 18 years of age in the referral university based Ali-Asghar Hospital in 2020. Demographic and clinical characteristics of patients were extracted from the archived records and data analysis was performed using SPSS software version 26. Results: The mean age of patients was 4.1 years and the higher percentage of patients (57%) were male. The most common symptoms of COVID-19 in children were fever, cough, and diarrhea. As well, the most common symptoms in 22.1% of patients admitted to the intensive care unit (ICU) were gastrointestinal (GI) symptoms (79%), fever (62.6%), and respiratory distress (53.6%), respectively. The majority of patients were in the age group less than one year (52%) and mortality rate was 6.3% in total and 10% in children with underlying disease. Besides, the mortality rate of intubated cases was 13 times higher. Conclusion: The findings of present study showed that COVID-19 in children was associated with various clinicopathological manifestations. Underlying disease including respiratory distress, cancer, and kidney disease as well as GI symptoms might be guided predicting the hospitalized cases in ICU. Newborns less than one year of age are exposed to severe COVID-19 infection which is associated with higher mortality rate and it should be given special attention in the early diagnosis and management of the COVID-19 disease. [ABSTRACT FROM AUTHOR]

Anatomical and anthropological study of hyoid bones could be used in the sex prediction from skeletal remains. The aim of this study is to examine the morphometrical parameters of the hyoid bone individuals of the Iranian population. The study was carried out on 248 hyoid bones taken from cadavers Referred to Kahrizak Legal Medicine Center in 2020. Four anthropometric indices of hyoid bone were studied and have been associated with the sex and height of the individuals. The study included 179 (72.2%) males and 69 (27.8%) female cases. No significant difference was observed between the two gender groups in terms of age (P=0.678). The indexes of hyoid bones measured were compared between male and female genders, and the results show that the transverse distance between the tubercle of the greater horn, the Anterior/posterior dimension of the body, the distance between the upper and lower margin of the body in the middle (height) and the maximum depth of concavity on the posterior surface of the body, was associated with the sex determination (P<0.001). The four hyoid bone indexes measured in this study were higher in males compared with females, which indicates that hyoid bone morphometry can be used for sex determination in the Iranian population. [ABSTRACT FROM AUTHOR]

Introduction: In recent years, road accidents have been one of the leading causes of death in Iran, with the majority of victims being motorcyclists. Accurate knowledge of the pattern of injuries to those injured is a strategy to reduce the consequences of these fatal accidents. The aim of this study was to investigate the pattern of injuries to motorcyclists. Methods: The present study was a cross-sectional study that was performed in Rasoul Akram (PBUH) Educational and Medical Center in Tehran. The information was extracted from 500 hospital records of the patients admitted due to motorcycle accidents from September 2015 to September 2016, which was recorded in the data collection checklist. Results: About 67.9% of the injured did not have head injuries and 32.0% of the sample group suffered head injuries. Out of 160 people from the head injury group, 7.2% have Abbreviated Injury Scale (AIS) index = 1 and 93.8% have AIS ≥ 2. A total of 82% of the injured had no neck injuries and 18.0% of the sample group had neck injuries. Of these, 72.2% had AIS = 1 and 17.8% had AIS ≥ 2. About 65.0% of the injured did not have facial injuries and 35.0% of the sample group suffered facial injuries. Conclusion: An accurate knowledge of the pattern of injuries to this group of injured, providing pre-hospital services, timely diagnosis and treatment and the use of corrective and effective factors, has an effective role in reducing the incidence and consequences of this deadly accident. [ABSTRACT FROM AUTHOR]