Many older people with end-stage dementia die of pneumonia, but the details of their distress have been unclear. The present study clarified the distress experienced by such individuals due to pneumonia. We searched for literature corresponding to 5 clinical questions (CQs) concerning including "What distress is experienced by older people with end-stage dementia due to pneumonia (CQ1) ?" using a search formula with the Web version of the Central Medical Magazine, MEDLINE (STN)/EMBASE (STN),

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... hrane Library, and extracted 604 articles. Forty-two articles corresponding to 5 CQs were extracted by primary screening using abstracts, and 17 articles were adopted after the secondary screening. A total of six articles corresponding to CQ1 were ultimately analyzed. Older people with end-stage dementia who died of pneumonia reported more discomfort and dyspnea than those who died of dehydration. Their main symptoms were respiratory symptoms, such as cough, sputum, and dyspnea, a fever and somnolence. Distress such as dyspnea and discomfort among older people with end-stage dementia recovering from pneumonia peaked on the day of the diagnosis. Furthermore, in older people with end-stage dementia dying of pneumonia, distresses began approximately one week before death and peaked on the day before death. A few days before death, several distressing symptoms, such as pain, dyspnea and restlessness/agitation, were often observed at the same time. If older people with end-stage dementia contract pneumonia and die from it, attentive palliative care is needed to manage their severe discomfort, dyspnea and other sources of distress.