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Background and Objectives: This study examined the psychometric properties and measurement invariance of the 10-item Awareness of Age-Related Change Short Form (AARC-SF) questionnaire in a Chinese-speaking sample of older adults in Taiwan., Research Design and Methods: Data from 292 participants (Mage = 77.64 years) in the Healthy Aging Longitudinal Study in Taiwan cohort were used for Study 1, whereas data from young-old adult samples in Germany were used for Study 2., Results: Study 1 showed that the AARC-SF had satisfactory reliability and validity for assessing adults' AARC in Taiwan. Analyses confirmed the 2-factor structure of AARC-gains and AARC-losses. Study 2 demonstrated strong measurement invariance across men and women, whereas direct comparisons of the item scores between young-old adults and old-old adults need to be made with caution. Noninvariance of loadings indicated that certain items were more closely linked to AARC-gains and AARC-losses in Taiwan than in Germany. Noninvariance of intercepts suggested potential biases in comparing item scores between Taiwanese and German older adults., Discussion and Implications: The AARC-SF emerged as a reliable and valid instrument for capturing positive and negative subjective aging experiences among Taiwanese older adults. However, it is noteworthy that some items on the AARC-SF may solicit different responses from individuals of different ages and different countries of origin, requiring caution with age group and cross-cultural comparisons., (© The Author(s) 2024. Published by Oxford University Press on behalf of The Gerontological Society of America.)

Aim: To determine whether walking performance differed between people with multiple sclerosis (MS) who performed distinct types, volumes and intensities of exercise. Materials & methods: Forty-five people with relapsing-remitting MS performed two trials of the 2-min walk test, one at a preferred speed and another at a fast speed. Gait metrics were measured by wireless inertial sensors. Participants reported the type (aerobic, resistance), volume and intensity of exercise performed. Results: Walking speed reserve and gait variability were better in participants who performed combined aerobic and resistance exercises compared with those who performed aerobic-only exercise. Conclusion: Walking performance differs in people with mild MS disability based on the type and volume of exercise performed.

Objectives: The fourth age is considered a life stage with a high likelihood of age-related losses. However, very old age extends over decades, and little is known about how transitions that may happen during this age period (e.g., developing support needs or adopting caregiving roles) or lack thereof might change perceptions of age-related gains or losses. Many subjective age scales assume implicitly that they work across advanced old age, but data to support this assumption are scarce. This study reports findings on (1) diverging, age-specific understandings of age-related change and (2) whether very old adults' functional health, received social support, and caregiving roles, rather than chronological age, account for such differences., Methods: Data came from the nationally representative survey "Old Age in Germany D80+" conducted in 2020/2021, comprising 10,578 individuals aged 80-106 years., Results: At equivalent levels of perceived gains and losses, adults in the early fourth age reported more "freedom in daily life," less "dependency on others," and fewer "needs to reduce activities," whereas adults in the late fourth age reported more "appreciation of others." Chronological age, as such, was not the primary source of this response shift. Rather, functional health, social support, and caregiving responsibilities accounted for the differences in how older adults interpreted and reported specific age-related gains and losses., Discussion: Findings underscore that across the multiple decades of the fourth age, interpretations of aging experiences vary and depend on a person's own late-life health and functioning and on that of significant others., (© The Author(s) 2024. Published by Oxford University Press on behalf of The Gerontological Society of America. All rights reserved. For commercial re-use, please contact reprints@oup.com for reprints and translation rights for reprints. All other permissions can be obtained through our RightsLink service via the Permissions link on the article page on our site—for further information please contact journals.permissions@oup.com.)

Research related to subjective aging, which describes how individuals perceive, interpret and evaluate their own aging, has substantially grown in the past two decades. Evidence from longitudinal studies shows that subjective aging predicts health, quality of life, and functioning in later life. However, the existing literature on successful aging has mostly neglected the role of subjective aging. This paper proposes an extended framework of successful aging linking subjective aging conceptually and empirically to Rowe and Kahn's (1997) three original key criteria of successful aging (i.e., avoiding disease and disability, maintaining high cognitive and physical function, and engagement with life). A particular focus is placed on subjective aging as an antecedent of successful aging. A review of the empirical subjective aging literature shows that subjective aging concepts consistently predict all three of Rowe and Kahn's criteria of successful aging. Mechanisms underlying these relations are discussed at three levels, namely psychological, behavioral, and physiological pathways. The proposed addition also takes into consideration the interconnections between subjective aging and successful aging throughout the lifespan and across historical time. Finally, we discuss the importance of facilitating successful aging through systematic interventions that support more positive views of aging at the individual and societal level., (© The Author(s) 2024. Published by Oxford University Press on behalf of The Gerontological Society of America.)

This article defines self-perceptions of aging (SPA) as individuals' perceptions, expectations, and experiences regarding their own process of growing old(er). As such, SPA are considered a critically important element of the aging self. Furthermore, the authors present a heuristic model that positions adults' SPA within a lifespan developmental and cultural-societal context and elaborates distal and proximal antecedents, process modes, and developmental outcomes. The remainder of the article summarizes recent empirical findings and discusses future challenges and directions., Competing Interests: Declaration of competing interest The authors have no conflict of interest to declare., (Copyright © 2023 Elsevier Ltd. All rights reserved.)

Introduction: Calciphylaxis is a serious vascular disorder characterized by calcification of tunica media, intimal hyperplasia, thrombosis, and skin necrosis. It was described in patients with renal failure (UC), although it can occur in its absence (NUC). Its risk factors are under study and its diagnosis can be complex. Over a decade ago, its mortality was estimated at 60-80%. Recent studies indicate that it has decreased (40%)., Methods: A retrospective study was carried out in the period between January 1, 2011 and December 31, 2019. The past medical record, clinical characteristics, laboratory and histopathological findings, and evolution of all patients with calciphylaxis evaluated at the Hospital Italiano de Buenos Aires were reviewed., Results: Thirty-nine patients were included. Sixtyone percent were men and 39% were NUC cases. Eightytwo percent had arterial hypertension, 66% obesity and 46% diabetes. Of those, 49% received coumarin anticoagulants. All patients with NUC and 75% with UC presented ulcers with necrosis, located more frequently on the legs. In 72% of the cases the histological diagnosis was made with one biopsy. In all the treatment was multimodal and mortality at one year was 42%., Conclusion: We observed a high proportion of patients with NUC, in relation to what is reported in the literature, and that half received vitamin K antagonists. The histological diagnosis was made with one biopsy in most of the cases, as the surgical technique for taking the sample, the Von Kossa staining and the evaluation by an expert pathologist were the key of it.