Chang, Jun Hyuk;Kim, Sun Hyu;Lee, Hyeji;Choi, Byungho
Journal of Trauma and Injury
/
v.32
no.3
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pp.127-135
/
2019
Purpose: This study was to investigate errors of death certificate (DC) issued for patients with trauma. Methods: A retrospective review for DC issued after death related to trauma at a training hospital trauma center was conducted. Errors on DC were classified into major and minor errors depending on their influence on the process of selecting the cause of death (COD). All errors were compared depending on the place of issue of DC, medical doctors who wrote the DC, and the number of lines filled up for COD of DC. Results: Of a total 140 DCs, average numbers of major and minor errors per DC were 0.8 and 3.7, respectively. There were a total of 2.8 errors for DCs issued at the emergency department (ED) and 5.4 errors for DCs issued beyond ED. The most common major error was more than one COD on a single line for DCs issued at the ED and incompatible casual relation between CODs for DCs issued beyond ED. The number of major errors was 0.5 for emergency physician and 0.8 for trauma surgeon and neurosurgeon. Total errors by the number of lines filled up for COD were the smallest (3.1) for two lines and the largest (6.0) for four lines. Conclusions: Numbers of total errors and major errors on DCs related to trauma only were 4 and 0.8, respectively. As more CODs were written, more errors were found.
Park, Youngeun;Lee, Gil Jae;Lee, Min A;Choi, Kang Kook;Gwak, Jihun;Hyun, Sung Youl;Jeon, Yang Bin;Yoon, Yong-Cheol;Lee, Jungnam;Yu, Byungchul
Journal of Trauma and Injury
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v.34
no.4
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pp.225-232
/
2021
Purpose: Trauma is the top cause of death in people under 45 years of age. Deaths from severe trauma can have a negative economic impact due to the loss of people belonging to socio-economically active age groups. Therefore, efforts to reduce the mortality rate of trauma patients are essential. The purpose of this study was to investigate preventable mortality in trauma patients and to identify factors and healthcare-related challenges affecting mortality. Ultimately, these findings will help to improve the quality of trauma care. Methods: We analyzed the deaths of 411 severe trauma patients who presented to Gachon University Gil Hospital regional trauma center in South Korea from January 2015 to December 2017, using an expert panel review. Results: The preventable death rate of trauma patients treated at the Gachon University Gil Hospital regional trauma center was 8.0%. Of these, definitely preventable deaths comprised 0.5% and potentially preventable deaths 7.5%. The leading cause of death in trauma patients was traumatic brain injury. Treatment errors most commonly occurred in the intensive care unit (ICU). The most frequent management error was delayed treatment of bleeding. Conclusions: Most errors in the treatment of trauma patients occurred in early stages of the treatment process and in the ICU. By identifying the main causes of preventable death and errors during the course of treatment, our research will help to reduce the preventable death rate. Appropriate trauma care systems and ongoing education are also needed to reduce preventable deaths from trauma.
Mitigating secondary delayed neuronal injury has been a therapeutic strategy for minimizing neurological symptoms after several types of brain injury. Interestingly, secondary neuronal loss appeared to be closely related to functional loss and/or death of astrocytes. In the brain damage induced by agonists of two glutamate receptors, N-ethyl-D-aspartic acid (NMDA) and kainic acid (KA), NMDA induced neuronal death within 3 h, but did not increase further thereafter. However, in the KA-injected brain, neuronal death was not obviously detectable even at injection sites at 3 h, but extensively increased to encompass the entire hemisphere at 7 days. Brain inflammation, a possible cause of secondary neuronal damage, showed little differences between the two models. Importantly, however, astrocyte behavior was completely different. In the NMDA-injected cortex, the loss of glial fibrillary acidic protein-expressing ($GFAP^+$) astrocytes was confined to the injection site until 7 days after the injection, and astrocytes around the damage sites showed extensive gliosis and appeared to isolate the damage sites. In contrast, in the KA-injected brain, $GFAP^+$ astrocytes, like neurons, slowly, but progressively, disappeared across the entire hemisphere. Other markers of astrocytes, including $S100{\beta}$, glutamate transporter EAAT2, the potassium channel Kir4.1 and glutamine synthase, showed patterns similar to that of GFAP in both NMDA- and KA-injected cortexes. More importantly, astrocyte disappearance and/or functional loss preceded neuronal death in the KA-injected brain. Taken together, these results suggest that loss of astrocyte support to neurons may be a critical cause of delayed neuronal death in the injured brain.
Background: A comprehensive, traceable, and easy-to-understand radiation risk indicator is desired for radiological protection. The early-onset hypothesis could be used for this purpose. Materials and Methods: An indicator for early death (IED) was developed and calculated using the epidemiological dataset from the 14th Report of the Life Span Study (LSS) of Hiroshima and Nagasaki. By clarifying the calculation process, IED for all-cause mortality was estimated. In addition, the characteristics of IED for solid cancer mortality and cardiovascular mortality as well as those of men and women, and their dependence on age at exposure were investigated for detailed analysis. Results and Discussion: The IED for all-cause mortality was estimated to be approximately 4 years for an acute radiation exposure of 1 Gy regardless of the fitting dose range. The cumulative death rate for all solid cancers also indicated the early-death tendency (approximately 7-10 years at 1 Gy). Although, there is a slight difference in the characteristics of the risk obtained from the LSS study and this study, it is considered that the IED in a unit of years can also be used to show the overall picture of risk due to radiation exposure. Conclusion: We developed and calculated the indicator for early death, IED, for the cumulative mortality rate of all causes of death, all solid cancers, and circulatory diseases. The quantitative values of IED were estimated to be 4 years for all causes of death, 7-10 years for all solid cancers. IED has an advantage for intuitively understanding the meaning of radiation risk since it can be obtained by a simple and traceable method.
The diagnosis of cause of death (COD) or estimation of postmortem interval (PMI) is hard to perform using postmortem blood or other bodily fluids due to various biochemical changes that occur during the agonal phase or after death. To solve these problems, new paradigms and new analytical methods are needed. In this study, postmortem blood was fractionated with specific gravity 1.021, 1.029, 1.038, and 1.045, and the absorbance patterns of each sample of the 131 total cases (12 kinds of COD) were analyzed using a spectrometer. The absorbance was grouped into 9 patterns (ABS pattern 1 to 9) according to the wave length and the signal intensity. These patterns of postmortem blood were found to be distinctly different from the absorbance pattern of fresh blood. The analysis of ABS patterns is useful for the diagnosis of deaths due to acute or rapid bleeding, fire death, drowning and, in some cases, poisoning, but is not useful for the estimation of PMI.
Many historians presume that several kings included the crown prince were killed by poison in the Jo-Soon dynasty. Above all, there is every possibility of killing the crown prince So-Hyoon(昭顯) by poison. The crown prince So-Hyeon was detained for 8 years in Sim-Yang(瀋陽). He died suddenly in two month from coming home. According to an authentic record, official death causes were malaria. But there is little possibility that a young crown prince die of malaria at the age of 34. His dead body shows change of skin color and bleeding from the ear, eye, mouth, and nose. This is the sufficient evidence that he was killed by poison. King In-Jo have a doubt that he was ousted from his post by crown prince So-Hyeon in conspiracy with cheong imperial court. Especially, after the crown prince So-Hyeon's death, owing to cold attitude that king In-Jo shows and a tragic affair that occurred to the crown prince's family, king In-Jo is under suspicion as the mastermind of the murder. Another poisoners are Jo-So Yong(趙昭容) and Lee-Hyeong Ik(李聲益). Jo-So Yong, a royal harem, intrigue against the couple of crown prince So-Hyoon. Lee-Hyeong Ik that win king In-Jo's favor take charge of the medical treatment. We supposed that toxic substance is arsenic poison.
Background: This study used the receiver operating characteristic curve (ROC) to analyze Surveillance, Epidemiology and End Results (SEER) bronchioaveolar carcinoma data to identify predictive models and potential disparity in outcomes. Materials and Methods: Socio-economic, staging and treatment factors were assessed. For the risk modeling, each factor was fitted by a Generalized Linear Model to predict cause specific survival. The area under the ROC was computed. Similar strata were combined to construct the most parsimonious models. A random sampling algorithm was used to estimate modeling errors. Risk of cause specific death was computed for the predictors for comparison. Results: There were 7,309 patients included in this study. The mean follow up time (S.D.) was 24.2 (20) months. Female patients outnumbered male ones 3:2. The mean (S.D.) age was 70.1 (10.6) years. Stage was the most predictive factor of outcome (ROC area of 0.76). After optimization, several strata were fused, with a comparable ROC area of 0.75. There was a 4% additional risk of death associated with lower county family income, African American race, rural residency and lower than 25% county college graduate. Radiotherapy had not been used in 2/3 of patients with stage III disease. Conclusions: There are socio-economic disparities in cause specific survival. Under-use of radiotherapy may have contributed to poor outcome. Improving education, access and rates of radiotherapy use may improve outcome.
Purpose : The purpose of this study is to analyze the epidemiologic characteristics of sudden unexpected death in infancy and to evaluate the importance of postmortem autopsy. Methods : We reviewed, retrospectively, medical records of 34 infants admitted to Kangnam General Hospital from January 1987 to December 2001 because of sudden unexpected death. We investigated the cause of death through medical history, death scene examination, autopsy findings, acylcarnitine and organic acid analysis. Results : Among the total 34 infants, 18 were male(52.9%) and 16 were female(47.1%). Thirty infants(88%) were below the six months of age. Winter was the most affected season(38.2%). Eighteen infants(52.9%) died between 6 and 12AM. The prone sleeping position was observed more frequently than the supine position at death; nine cases in the prone position, six cases in the supine position. The cause of death of 23 cases could not be found by only history and death scene examination. Autopsy was done in 13 cases. Seven cases of them were thought to be SIDS. In six cases, we explained the cause of death with autosy findings. They were an endocardial fibroelastosis, a nesidioblastosis, a subdural hematoma, a bronchopneumonia and two fatty changes of liver. Metabolic screening tests performed in three cases to rule out metabolic disorder since 2000 were all normal. Conclusion : We concluded that autopsy and metabolic screening test should be performed to find out the cause of death in sudden unexpected death in infancy.
The corpse make-up depending on the cause of death shown in CSI is the only evidence to solve a case, and shows the characteristics of the unique make-up on the corpse, according to the causes of death. There are many types of death causes such as strangulation, manslaughter, assassination and shooting, of which the strangulation is caused by strangling the neck with the hands or using a weapon and has characteristics of showing other external wounds with purple spots appearing on the body after death. This is a presentation of the corpse with a face of white, and the purple spots bruised on the neck. Manslaughter shows deep wounds caused by a stab or laceration using a weapon, and the material feeling of the wound that makes new skin tissue, is realistically presented with make-up of gooey blood. Assassination can be thought as manslaughter in disguise as an accidental death, which the causes can be due to electrocution, suffocation from oxygen deficiency and from excessive monoxide. The make-up is presented by realistically showing the surrounding fragments of the bullet shell, the blood running down, the size of the hole in the body made from the bullet, and shows the broken skin tissues. The shape of the bullet wound can be presented differently based on the body part where the bullet penetrated into, and the part where the bullet shot out through.
Death is one of the population movement phenomena used as an important health index in most society. Especially it is regarded as group phenomenon in a specific group rather than individual one and considered important in public health field because the level and cause of death is related to health of public. The auther examined the changes of the Korean mortality pattern to evaluate the status of the Korean public health by studying mortality indicator using the population census and other materials from 1930 to 1980. The results are as follows: First, the Korean crude death rate was reduced to one third in 1980 compared to that in 1930, but the crude birth rate was constant from 1930 to 1960 causing the increase of population. So the population pattern is changing from the classic pyramic shape to bell shape and the dependency ratio was reduced from 78 in 1930 to 61 in 1980. Second, the infant mortality rate decrease rapidly. In 1980 it was one seventh of that in 1930 which was proved by the change of the age-specific death rate curve from U to J shape. Third, the male mortality reduction after the age of forty was much less than that of female, which explained the specific death pattern of high mortality in Korean middle and oldaged males. Fourth, the main cause of death was changed from infectious, parasitic, respiratory and digestive system disease to circulatory of tumorous diseases. Considering the above results, Korean health problem is now changing from the infant infection to geriatric chronic regressive disease. That naturally the direction of health service should be turned from the infant stage maternal and child health to the health problems of old people.
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