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Aim: We investigated whether the Dementia Assessment Sheet for Community‐based Integrated Care System‐21 Items (DASC‐21), a questionnaire that assesses cognitive function, including activities of daily living (ADL), was predictive of in‐hospital death and prolonged hospital stay in elderly patients hospitalized for heart failure. Methods: We retrospectively assessed the DASC‐21 score at the time of admission, in‐hospital death, length of hospital stay, and change in the Barthel index in 399 patients hospitalized for heart failure between 2016 and 2019. Results: The mean patient age was 85.8 ± 7.7 years (61.3% women). The median DASC‐21 score was 38 (64.7% higher than 31). On multivariate logistic regression analysis, a higher DASC‐21 score was associated with an increased risk of in‐hospital death (odds ratio [OR] = 1.045 per 1 point increase, 95% confidence interval [CI]: 1.010–1.081, P = 0.012), even after adjusting for confounding factors, including atrial fibrillation, ejection fraction, and B‐type natriuretic peptide. Difficulties (3 or 4) with the self‐management of medication in instrumental ADL inside the home (OR = 3.28, 95% CI: 1.05–10.28, P = 0.042), toileting (OR = 3.66, 95% CI: 1.19–11.29, P = 0.024), grooming (OR = 6.47, 95% CI: 2.00–20.96, P = 0.002), eating (OR = 7.96, 95% CI: 2.49–25.45, P < 0.001), and mobility in physical ADL (OR = 5.99, 95% CI: 1.85–19.35, P = 0.003) were identified as risk factors for in‐hospital death. Patients in the highest tertile of the DASC‐21 score had a significantly longer hospital stay (P = 0.006) and a greater reduction in the Barthel index (P < 0.001). Conclusions: In elderly patients hospitalized for heart failure, higher DASC‐21 scores were associated with an increased risk of in‐hospital death, prolonged hospital stay, and impaired ADL. Geriatr Gerontol Int 2024; 24: 546–553. [ABSTRACT FROM AUTHOR]

The article discusses research which examined the impact of perceived adviser availability on mental health among community-dwelling older people with cognitive decline. Consultation partners included children, spouses, siblings, cousins, friends, care managers and people from the residents' association. The study analyzed the variance in relationships with a consultation partner in groups including no consultation partner, only nonrelatives, only relatives, and relatives + nonrelatives.

Aim: The Questionnaire for Medical Checkup of Old‐Old (QMCOO) is a 15‐item dichotomous questionnaire developed for the early detection and intervention of frailty in a nationwide health checkup program targeting the old‐old (i.e. aged ≥75 years). The Kihon Checklist (KCL) is a 25‐item questionnaire widely used for screening and self‐monitoring frailty status in administrative settings. With fewer items than the KCL, the QMCOO might expedite the frailty screening process. This study tested whether the QMCOO shows noninferiority in detecting frailty compared with the KCL. Methods: Overall, 645 participants aged ≥75 years in the Itabashi Longitudinal Study on Aging were assessed for their frailty status according to the revised Japanese version of the Cardiovascular Health Study criteria. They also completed the QMCOO and the KCL simultaneously. We compared the discriminative performance of the two questionnaires using non‐inferiority testing with an operationally defined non‐inferiority margin of 10% of the area under the receiver operating characteristic curve computed from the KCL. Results: The prevalence of frailty was 8.8%. The area under the receiver operating characteristic curve for the QMCOO in determining frailty was 0.76 (95% CI 0.70, 0.82), and the corresponding area under the receiver operating characteristic curve for the KCL was 0.77 (95% CI 0.69, 0.84). The QMCOO was not inferior to the KCL for frailty discrimination (P for non‐inferiority = 0.006). Conclusions: The accuracy of the QMCOO for determining frailty was not inferior to that of the KCL. The QMCOO might be more acceptable and useful, as it can be applied in a shorter time with fewer questions than the KCL. Geriatr Gerontol Int 2024; 24: 176–181. [ABSTRACT FROM AUTHOR]

Aim: Muscle mass and strength correlate with cognitive function; however, it remains unclear whether dynapenia (i.e., muscle weakness with preserved muscle mass) is relevant. This study aimed to explore whether dynapenia is associated with global cognitive function in community‐dwelling older Japanese adults. Methods: This cross‐sectional study used data from the Integrated Research Initiative for Living Well with Dementia Cohort Study, which pooled data from five community‐based geriatric cohorts. Dynapenia was defined as muscle weakness without muscle mass loss according to the Asian Working Group for Sarcopenia criteria. Cognitive function was assessed using the Mini‐Mental State Examination (MMSE). An ordered logistic regression analysis was conducted with dynapenia as the exposure and with cognitive decline stages, defined as an MMSE score of 27–30 for normal cognition, 24–26 for possible cognitive decline, and <24 for cognitive decline, as the outcome, stratified by sex and adjusted for age, muscle mass, education, alcohol consumption, smoking habits, living alone, and non‐communicable diseases. Results: We analyzed data for 3338 participants (2162 female) with preserved muscle mass. Of these, 449 (13.5%) had dynapenia, and 79 (2.4%) exhibited cognitive decline. Multivariate odds ratios (95% confidence interval) for cognitive decline among those with dynapenia, compared with those without dynapenia, were 1.51 (1.02–2.24) for males and 2.08 (1.51–2.86) for females. Conclusions: Muscle weakness is associated with cognitive decline, even in individuals with preserved muscle mass. Further studies are needed to better understand the association between muscle weakness and cognitive decline over time in order to develop dementia prevention strategies for those with dynapenia. Geriatr Gerontol Int 2024; 24: 123–129. [ABSTRACT FROM AUTHOR]

Aim: This longitudinal study aimed to determine whether categorization by the Dementia Assessment Sheet for Community‐based Integrated Care System 8‐items (DASC‐8) is associated with risk of frailty onset, disability, and mortality. Methods: We analyzed longitudinal data from outpatients aged 65 years and older evaluated for the DASC‐8 at the Frailty Clinic. The outcomes during the 3‐year follow‐up period were (Study A) frailty onset (Kihon Checklist ≥8) and (Study B) disability (new certification of nursing care needs) or mortality. Multivariate Cox regression analyses were performed to examine independent associations between the DASC‐8 category and outcomes, and hazard ratios and 95% confidence intervals (CIs) were calculated after adjustment for age, sex, and the presence or absence of diabetes, hypertension, and dyslipidemia. Results: (Study A) Out of the 216 patients without frailty in Categories I or II at baseline, 40 (20.4%) and 11 (55.0%) developed frailty, respectively. The adjusted hazard ratio was 3.62 (95% CI: 1.69–7.76, P < 0.001). (Study B) Out of the 350 patients who did not require long‐term care at baseline, disability or death occurred for 20 (7.3%) in Category I, 14 (23.0%) in Category II, and 9 (56.3%) in Category III. The adjusted hazard ratios were 2.40 (Category I vs. II; 95% CI: 1.13–5.11, P = 0.023) and 5.43 (Category I vs. III; 95% CI: 2.23–13.3, P < 0.001). Conclusion: Categorization according to DASC‐8 is associated with the risk of frailty, disability, and mortality in older patients. Geriatr Gerontol Int 2024; 24: 150–155. [ABSTRACT FROM AUTHOR]

The article explores the social relationships and well-being of families with middle-aged hikikomori, individuals experiencing prolonged isolation. It identifies the prevalence of hikikomori in older adults, their demographic characteristics, and the impact on family dynamics. It underscore the challenges faced by these families, emphasizing the importance of addressing isolation among middle-aged hikikomori for community well-being.

Introduction: We examined the relationship between previous fluctuations in Mini-Mental State Examination (MMSE) scores, future changes in MMSE scores, and attrition from follow-up surveys, which helps in a more comprehensive interpretation of repeatedly collected MMSE scores. Methods: This 4-year longitudinal study included 2,073 community-dwelling older adults aged ≥65 years in Japan. The MMSE was administered at baseline (T0), 2 years (T1), and 4 years (T2) follow-up. We performed multinomial logistic regression analysis with the dependent variable, indicating the change in MMSE score from T1 to T2 (categorized as increase, no change [reference category], and decrease) and attrition at T2. The independent variables included the change in MMSE scores from T0 to T1 and MMSE scores at T0 and T1. Results: The mean MMSE score was 29 across the three time points. A one-point decrease in MMSE score from T0 to T1 was associated with 79% (95% confidence interval: 1.62, 1.97) higher odds of an increase in MMSE score from T1 to T2 and 28% (1.17, 1.40) higher odds of attrition at T2. A one-point decrement in the MMSE score at T0 and T1 was also associated with an increase in the MMSE score from T1 to T2 and attrition at T2. Conclusion: Focusing on cognitive fluctuation for 2 years, rather than cognitive function at a point in time, would have no remarkable advantage when focusing on future cognitive function and attrition. Our results emphasize the need for further studies to identify factors that distinguish between those who continue to attend follow-up surveys and show improvements in cognitive test scores and those who drop out. [ABSTRACT FROM AUTHOR]