AimThe oral health status of elderly adults has implications for general health problems. Polypharmacy for elderly adults is associated with an increased risk of potentially inappropriate medicines and many adverse drug events; however, no report has shown that polypharmacy itself is associated with complex oral problems. This study aimed to determine the association between polypharmacy and oral health status in patients admitted to the recovery and rehabilitation ward.MethodsThis cross‐sectional study included 471 patients (age: 81.9 ± 7.7 years, women: n = 346). Oral health status was measured using the Oral Health Assessment Tool and poor oral health status was defined as a score of ≥3. Cases of patients taking six or more medications were defined as polypharmacy. Logistic regression analysis was performed to examine the relationship between polypharmacy and oral health status. Age, sex, body mass index, number of comorbidities, cognitive and motor functions, and potentially inappropriate medicines were set as confounding factors.ResultsUsing the Oral Health Assessment Tool, 51.0% (n = 240) of patients scored ≥3. The prevalence of patients with polypharmacy was 56.9% (n = 268). Polypharmacy was significantly associated with poor oral health status (odds ratio = 1.65, 95% confidence interval = 1.14–2.39, P = 0.007; adjusted odds ratio = 1.65, 95% confidence interval = 1.12–2.43, P = 0.011).ConclusionsThis study showed that polypharmacy was associated with poor oral health status. Focusing on the number of medications may be helpful in detecting oral problems. Geriatr Gerontol Int 2021; 21: 66–70.

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Abstracts: 11th World Congress, Osaka, Japan S39 patients who could be saved, regardless of whether the core medical institutes are located within or outside the destroyed area. It is very crucial to pick up such redtagged patients properly and to transport them to the other core medical institutes in intact areas beyond the boundary of local governments.The medical operations in a disaster are a part of the total disaster plan developed by each Prefectural government. After the Great Hanshin-Awaji earthquake, about 500 hospitals were chosen as core medical institutes for disaster. Each core medical institute must satisfy several requirements: 1) capable to provide advanced medical services for the multiple severely injured patients; 2) capable to function as the headquarters equipped with a medical information system in disaster and emergency situations; 3) facilities to transport patients beyond the border of the local governments, such as dispatched doctors, emergency automobiles, heliport, etc.; and 4) enough personnel to dispatch selfcontained medical service teams.In order to utilize all medical institutions in the damaged area and make them fully functional in a disaster situation, several mutual-aid arrangements for health and medical assistance within a Prefecture or between neighboring Prefectures, or on a nation-wide scale have been established following the Great Hanshin-Awaji earthquake. Every effort has been made to make such mutualaid arrangements work properly through the use of drills and simulations. Every core hospital and other hospitals have come to prepare their own disaster manual.In this panel discussion, we will demonstrate the policies and the measures prepared in Osaka Prefecture.Keywords: core hospitals; disaster; hospitals; mutual-aid; plans; policies; preparedness; transport; triage PN2-4Overview of Bio-Psycho-Social Problems after the Hanshin-Awaji Earthquake: Report from Kobe University School of Medicine Naotaka Shinfuku International Center for Medical Research, Kobe University School of Medicine, Kobe, Japan Kobe University School of Medicine is situated at the center of the disaster area where more than 5,500 peoples died in January 1995. Therefore, the affiliated University Hospital played a vital role for medical services for the victims from the beginning of the disaster. Also, the hospital received patients with a variety of stressrelated health problems after the Earthquake. At the same time, the Medical School organized systematic research on the various medical and health problems among victims.Research works carried out at the Kobe University School of Medicine on the Earthquake victims has ranged widely from forensic analysis of the dead, crush syndromes, effects of stress on cardiovascular and digestive systems, psychological problems, care systems for the victims, etc. The research project involved more than 100 doctors and researchers. This paper reviews a wide range of bio-psycho-social impacts of the disaster to the victims, and analyses the longitudinal chang...