Experience and the significance of cardiopulmonary arrest on arrival (CPAOA) for residents were examined through an investigation of 47 cases of CPAOA at the department of emergency medicine of Saga Medical School Hospital from December 1, 1996, through November 30, 1997. Causes of CPAOA, outcomes, issuance of death certificates or inspection certificates, and whether a judicial inspection was performed were analyzed in each case. The cause of CPAOA was intrinsic in 31 cases and extrinsic in 16 cases. Eleven patients were admitted, one of whom recovered completely. Death certificates were issued in 25 cases, of which 7 underwent judicial inspection. Inspection certificates were issued in 21 cases, all of which underwent judicial inspection. Twenty-nine residents received 3 months of clinical training in the emergency department. The percentages of residents who encountered cases of CPAOA, CPAOA caused by extrinsic factors, cases in which inspection certificates were issued, and cases in which judicial inspection was done were 51.7%, 79.3%, 82.8%, and 89.7%, respectively. These findings show that residents receive practical experience in our department of emergency medicine.

When serious emergency patients come to a 3rd-level emergency hospital, they are able to obtain optimal medical treatment for their condition. However, the emergency room of general hospitals are extremely crowded with many kinds of patients, ranging from 1st-to 3rd-level emergencies. Thus, a good training program in triage is necessary for emergency medicine doctors because of the risk of inappropriate management of patients.
In this study, we examined the number of 2nd-and 3rd-level emergency patients who came to our emergency room initially as walk-in 1st-level emergency patients in 1991 and 1992. Our results indicate that the education for emergency medicine doctors needs to cover a wide range of medical fields dealing with 1st-to 3rd-level emergency patients, and that ideal training in emergency medicine must be organized in hospitals that accept 1st-to 3rd-level emergency patients.

A university hospital plays roles as a specific functional hospital and as a teaching hospital in primary care because most medical school graduates receive basic clinical training in this area. An important objective of primary care education for all residents is the initial treatment of patients with first-to third-level emergencies. We examined the number of patients, the level of emergency (first, second, and third level) and the diagnoses that each resident encountered. Subjects included 29 residents (3 in the first year, 4 in the second year, and 2 in the third year) who had undergone clinical training for 3 months in the department of emergency medicine at the Saga Medical School Hospital which treats 7, 000 to 8, 000 patients per year with first-to third-level emergencies. Residents were involved with 214.6 emergency cases, which included approximately 59 types of first-level emergency, 31 types of second-level emergency, and 15 types of third-level emergencies. These results were largely compatible with the Objectives of Postgraduate Basic Clinical Training proposed by the Japan Society for Medical Education. These results show that university hospitals as specific functional hospitals should accept numerous emergency patients and that residents must receive clinical training in emergency medicine to achieve the objectives of primary care education.

BACKGROUND: The burden of dementia is growing rapidly and has become a medical and social problem in Japan. Prospective cohort studies have been considered an effective methodology to clarify the risk factors and the etiology of dementia. We aimed to perform a large-scale dementia cohort study to elucidate environmental and genetic risk factors for dementia, as well as their interaction. METHODS: The Japan Prospective Studies Collaboration for Aging and Dementia (JPSC-AD) is a multisite, population-based prospective cohort study of dementia, which was designed to enroll approximately 10,000 community-dwelling residents aged 65 years or older from 8 sites in Japan and to follow them up prospectively for at least 5 years. Baseline exposure data, including lifestyles, medical information, diets, physical activities, blood pressure, cognitive function, blood test, brain magnetic resonance imaging (MRI), and DNA samples, were collected with a pre-specified protocol and standardized measurement methods. The primary outcome was the development of dementia and its subtypes. The diagnosis of dementia was adjudicated by an endpoint adjudication committee using standard criteria and clinical information according to the Diagnostic and Statistical Manual of Mental Disorders, 3rd Revised Edition. For brain MRI, three-dimensional acquisition of T1-weighted images was performed. Individual participant data were pooled for data analyses. RESULTS: The baseline survey was conducted from 2016 to 2018. The follow-up surveys are ongoing. A total of 11,410 individuals aged 65 years or older participated in the study. The mean age was 74.4 years, and 41.9% were male. The prevalence of dementia at baseline was 8.5% in overall participants. However, it was 16.4% among three sites where additional home visit and/or nursing home visit surveys were performed. Approximately two-thirds of dementia cases at baseline were Alzheimer's disease. CONCLUSIONS The prospective cohort data from the JPSC-AD will provide valuable insights regarding the risk factors and etiology of dementia as well as for the development of predictive models and diagnostic markers for the future onset of dementia. The findings of this study will improve our understanding of dementia and provide helpful information to establish effective preventive strategies for dementia in Japan.
Aged ; Alzheimer Disease/genetics* ; Dementia/genetics* ; Environment ; Female ; Humans ; Incidence ; Japan/epidemiology* ; Male ; Middle Aged ; Prevalence ; Prospective Studies ; Risk Factors