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Visualization of OPN-Targeted Self-Assembled Micelles Encapsulated With an SIRT6 Activator and Doped Indocyanine Green for Attenuating Vascular Aging 用SIRT6激活剂和吲哚菁绿包封opn靶向自组装胶束减缓血管老化的可视化研究
IF 2.5 Q3 GERIATRICS & GERONTOLOGY Pub Date : 2025-10-26 DOI: 10.1002/agm2.70045
Yan Fang, Wenyue Li, Cheng Qin, Mengqi Xu, Naiyuan Sun, Tingting Lu, Zhiyi Fang, Yan Ma, Linghuan Wang, Sulei Li, Xiaojing Wan, Hui Li, Renzheng Chen, Xiaoying Shen, Lei Tian, Jing Liu, Yi Hou, Feng Cao
<div> <section> <h3> Objectives</h3> <p>Sirtuin 6 (SIRT6) is a longevity-associated gene with recognized therapeutic potential for vascular aging through the regulation of vascular smooth muscle cells (VSMCs) senescence. This study aims to develop a visualized nanodelivery system for a SIRT6 activator to attenuate vascular aging in a mouse model.</p> </section> <section> <h3> Methods</h3> <p>The expression of the vascular aging marker, osteopontin (OPN), was detected by Western blot and histological staining in the aortas of naturally aging C57BL/6 mice. The SIRT6 activator MDL800 and the near-infrared (NIR) agent indocyanine green (ICG) were encapsulated by poly(caprolactone)–poly(ethylene glycol) (PCL-PEG), which was modified with OPN-targeting peptides, to construct OPN-targeting micelles loaded with MDL800 and ICG (OPN-MI). Particle size and zeta potential were assessed using transmission electron microscopy (TEM) and dynamic light scattering (DLS). The biocompatibility and in vitro NIR signals were evaluated in senescent VSMCs. NIR fluorescence imaging was then performed to visualize the temporal variation and biodistribution of OPN-MI micelles in aging vessels. After 8 weeks of intravenous injection into naturally aging mice, bioinformatics analysis, pulse wave velocity (PWV) measurement, pathological staining, and molecular biological experiments were conducted to explore the anti-aging mechanism of OPN-MI micelles.</p> </section> <section> <h3> Results</h3> <p>The expression of OPN in the aortas of naturally aging mice was significantly higher than that in control mice (<i>p</i> < 0.001), confirming OPN as a target for vascular aging. The OPN-MI micelles exhibited a particle size of 107.008 ± 9.572 nm and a zeta potential of −7.293 ± 2.291 mV. These micelles demonstrated excellent biocompatibility, and their strength of NIR fluorescence signals increased proportionally with the concentration of OPN-MI micelles. In vivo and ex vivo NIR fluorescence imaging revealed that OPN-MI micelles accumulated significantly in the arterial walls of aged mice compared to MI micelles (<i>p</i> < 0.001). Bioinformatics analysis and validation showed that MDL800 reduced MMP9 expression by activating SIRT6 to deacetylate H3K9ac and H3K56ac. After 8 weeks of injection, the PWV of abdominal aortas in the OPN-MI micelles group decreased (<i>p</i> = 0.031), the number of elastin breaks in the OPN-MI micelles group was reduced (<i>p</i> = 0.016), and the intimal-medial thickness in the OPN-MI micelles group was alleviated (<i>p</i> = 0.048) compared to the aged group. Mechanistically, OPN-MI micelles reduced MMP9 expression (<i>p</i> = 0.001) through SIRT6 d
Sirtuin 6 (SIRT6)是一种长寿相关基因,通过调节血管平滑肌细胞(VSMCs)衰老,具有公认的治疗血管衰老的潜力。本研究旨在开发一种可视化的SIRT6激活剂纳米递送系统,以减轻小鼠模型中的血管老化。方法采用Western blot和组织学染色法检测血管老化标志物骨桥蛋白(osteopontin, OPN)在自然衰老C57BL/6小鼠主动脉中的表达。将SIRT6激活剂MDL800和近红外(NIR)剂吲哚菁绿(ICG)包被经opn靶向肽修饰的聚己内酯-聚乙二醇(PCL-PEG),构建装载MDL800和ICG (OPN-MI)的opn靶向胶束。采用透射电子显微镜(TEM)和动态光散射(DLS)对颗粒大小和zeta电位进行了评估。测定衰老VSMCs的生物相容性和体外近红外信号。然后进行近红外荧光成像,以显示老化血管中OPN-MI胶束的时间变化和生物分布。经8周静脉注射自然衰老小鼠后,进行生物信息学分析、脉冲波速度(PWV)测定、病理染色、分子生物学实验等,探讨OPN-MI胶束的抗衰老机制。结果自然衰老小鼠主动脉中OPN的表达明显高于对照组(p < 0.001),证实了OPN是血管衰老的靶点。OPN-MI胶束的粒径为107.008±9.572 nm, zeta电位为−7.293±2.291 mV。这些胶束表现出良好的生物相容性,其近红外荧光信号强度随OPN-MI胶束浓度成比例地增加。体内和离体近红外荧光成像显示,与MI胶束相比,OPN-MI胶束在老年小鼠动脉壁上明显积聚(p < 0.001)。生物信息学分析和验证表明,MDL800通过激活SIRT6使H3K9ac和H3K56ac去乙酰化来降低MMP9的表达。注射8周后,与老年组相比,OPN-MI胶束组腹主动脉PWV降低(p = 0.031), OPN-MI胶束组弹性蛋白断裂次数减少(p = 0.016), OPN-MI胶束组内膜-内侧厚度减轻(p = 0.048)。机制上,OPN-MI胶束通过SIRT6去乙酰化降低了MMP9的表达(p = 0.001)。结论可视化opn靶向胶束包封MDL800和ICG可有效减缓自然衰老小鼠血管老化。这种输送系统有望成为未来延缓血管衰老的治疗策略。
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引用次数: 0
Mental Health and Aging: Identifying Risk and Protective Factors of Anxiety and Depression in Older Women 心理健康与老龄化:识别老年妇女焦虑和抑郁的风险和保护因素
IF 2.5 Q3 GERIATRICS & GERONTOLOGY Pub Date : 2025-10-25 DOI: 10.1002/agm2.70046
Guilherme Augusto Santos Bueno, Renato Canevari Dutra da Silva, Elton Brás Camargo Júnior, Stephany Kindorly de Oliveira Bueno, Anabela Correia Martins, Ruth Losada de Menezes

Objective

To identify risk and protective factors associated with anxiety and depression symptoms in older adult women, considering clinical, functional, and electrophysiological parameters.

Methods

This cross-sectional observational study involved 91 women aged 65 or older. Assessments included EEG-derived valence and excitation levels, motor reaction time, body composition, and functional performance. Anxiety and depression were screened using the mind over mood anxiety inventory and the geriatric depression scale, respectively.

Results

Anxiety symptoms were present in 28.6% of participants and depressive symptoms in 27.5%. Risk factors for anxiety included fear of falling (OR = 2.023, 95% CI = 1.554–2.944, p = 0.007), presence of depressive symptoms (OR = 2.254, 95% CI = 1.983–3.085, p = 0.008), and body fat percentage (OR = 1.543, 95% CI = 1.253–3.111, p = 0.011). Protective factors included valence (OR = 0.311, 95% CI = 0.272–0.544, p = 0.003), gait speed (OR = 0.674, 95% CI = 0.482–0.782, p = 0.023), and maximal expiratory pressure (OR = 0.755, 95% CI = 0.693–0.823, p = 0.027). For depressive symptoms, risk factors included fear of falling (OR = 1.983, 95% CI = 1.8653.801, p = 0.023) and anxiety symptoms (OR = 1.765, 95% CI = 1.563–1.983, p = 0.008), while protective factors were cortical excitation (OR = 0.523, 95% CI = 0.425–0.693, p = 0.023) and expiratory pressure (OR = 0.635, 95% CI = 0.491–0.723, p = 0.021).

Conclusion

Functional and emotional parameters, particularly valence and gait performance, suggest a potential protective role against anxiety and depression in aging women. The findings reinforce the importance of integrated assessments to support early detection and guide intervention planning, while further studies are recommended to strengthen these observations.

目的结合临床、功能和电生理参数,探讨老年女性焦虑和抑郁症状的相关危险因素和保护因素。方法本横断面观察性研究纳入91名65岁及以上女性。评估包括脑电图衍生的效价和兴奋水平、运动反应时间、身体成分和功能表现。焦虑和抑郁分别使用心理情绪焦虑量表和老年抑郁量表进行筛选。结果28.6%的参与者出现焦虑症状,27.5%的参与者出现抑郁症状。焦虑的危险因素包括害怕跌倒(OR = 2.023, 95% CI = 1.554-2.944, p = 0.007)、出现抑郁症状(OR = 2.254, 95% CI = 1.983-3.085, p = 0.008)和体脂率(OR = 1.543, 95% CI = 1.253-3.111, p = 0.011)。保护因素包括效价(OR = 0.311, 95% CI = 0.272-0.544, p = 0.003)、步态速度(OR = 0.674, 95% CI = 0.482-0.782, p = 0.023)和最大呼气压(OR = 0.755, 95% CI = 0.693-0.823, p = 0.027)。抑郁症状的危险因素包括害怕跌倒(OR = 1.983, 95% CI = 1.865-3.801, p = 0.023)和焦虑症状(OR = 1.765, 95% CI = 1.563-1.983, p = 0.008),而保护因素包括皮质兴奋(OR = 0.523, 95% CI = 0.425-0.693, p = 0.023)和呼气压力(OR = 0.635, 95% CI = 0.491-0.723, p = 0.021)。结论功能和情绪参数,特别是效价和步态表现,提示老年妇女对焦虑和抑郁有潜在的保护作用。研究结果强调了综合评估对支持早期发现和指导干预计划的重要性,同时建议进一步研究以加强这些观察结果。
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引用次数: 0
Artificial Intelligence in Medication Management for Older Adults in Low- and Middle-Income Countries: A Narrative Review 人工智能在中低收入国家老年人用药管理中的应用综述
IF 2.5 Q3 GERIATRICS & GERONTOLOGY Pub Date : 2025-10-13 DOI: 10.1002/agm2.70051
Christina Malini Christopher, Nabin Pathak, Zaheer-Ud-Din Babar, Sunil Shrestha

Artificial Intelligence (AI) has emerged as a transformative tool in medication management, particularly for older adults who are vulnerable to adverse drug events, polypharmacy, and medication non-adherence. This narrative review explores the utilization of AI-driven interventions in low and middle-income countries (LMICs) to enhance medication safety, adherence, and prescribing practices. The review synthesizes existing studies on AI applications, including automated drug interaction detection, machine learning models for adverse event prediction, and AI-supported decision-making tools for healthcare professionals. Findings suggest that AI has demonstrated significant potential in reducing inappropriate medication use and improving patient adherence through mobile applications and electronic health record (EHR) integration. However, AI adoption in LMICs remains limited despite its benefits due to high implementation costs, insufficient digital infrastructure, low AI literacy among healthcare providers, and ethical concerns related to data privacy and algorithm bias. Addressing these barriers requires strategic policy reforms, investment in AI education, and improved regulatory frameworks to ensure responsible and equitable AI deployment. Future research should focus on evaluating the long-term effectiveness of AI interventions in real-world settings and developing scalable solutions tailored to LMICs. With the right support, AI has the potential to revolutionize medication management, improving the quality of care and health outcomes for older adults globally.

人工智能(AI)已成为药物管理的一种变革性工具,特别是对于易受药物不良事件、多种用药和药物依从性影响的老年人。这篇叙述性综述探讨了在低收入和中等收入国家(LMICs)利用人工智能驱动的干预措施来加强药物安全性、依从性和处方做法。该综述综合了有关人工智能应用的现有研究,包括药物相互作用自动检测、不良事件预测的机器学习模型以及医疗保健专业人员使用的人工智能支持的决策工具。研究结果表明,通过移动应用程序和电子健康记录(EHR)集成,人工智能在减少不当药物使用和提高患者依从性方面显示出巨大潜力。然而,由于实施成本高、数字基础设施不足、医疗保健提供者对人工智能的了解程度低以及与数据隐私和算法偏见相关的道德问题,人工智能在中低收入国家的应用仍然有限。解决这些障碍需要战略政策改革、人工智能教育投资和改进监管框架,以确保负责任和公平地部署人工智能。未来的研究应侧重于评估人工智能干预措施在现实世界中的长期有效性,并为中低收入国家量身定制可扩展的解决方案。在正确的支持下,人工智能有可能彻底改变药物管理,改善全球老年人的护理质量和健康结果。
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引用次数: 0
Body Mass Index as a Potential Mediator of the Association Between Gout and Hypertension Among Chinese Older Adults: A Mediation Analysis in a Cross-Sectional Study 体质指数作为中国老年人痛风和高血压之间关联的潜在中介:一项横断面研究的中介分析
IF 2.5 Q3 GERIATRICS & GERONTOLOGY Pub Date : 2025-10-13 DOI: 10.1002/agm2.70049
Jia Wang, Jian-bo Zhan, Lei Yi, Can Mei, Lin-wanyue Chen, Gui-ping Wang, Zi-jun Shi, Wei-ji Zhou, Chang-e Xiong, Jing Cheng

Objectives

This study aimed to investigate the role of the body mass index (BMI) as a mediator between gout and hypertension in older adults.

Methods

A total of 33,778 older adults (aged 65 years and over) in Wuhan, China, were surveyed. The propensity score matching (PSM) method was used to control for confounding factors, and logistic regression was performed on the above three variables using the mediation package in the R language program.

Results

The PSM method successfully matched 14,717 pairs. Mediation analysis revealed that, when controlling for the mediating variable “BMI”, the association coefficients of the independent variable “gout” on the dependent variable “hypertension” and of the mediating variable were statistically significant. This indicates the existence of a mediating association. Bootstrapping was used to quantify the stability of the observed indirect association, but temporal precedence or causality could not be established in this cross-sectional study.

Conclusions

Gout is associated with hypertension, both directly and indirectly through BMI-related pathways. Therefore, monitoring and controlling the BMI of elderly gout patients to improve the progression of hypertension is of great significance.

目的本研究旨在探讨身体质量指数(BMI)在老年人痛风和高血压之间的中介作用。方法对武汉市33778名65岁及以上老年人进行调查。采用倾向得分匹配(PSM)方法对混杂因素进行控制,并利用R语言程序中的中介包对上述三个变量进行逻辑回归。结果PSM方法成功配对14717对。中介分析显示,在控制中介变量“BMI”后,自变量“痛风”与因变量“高血压”及中介变量的关联系数均有统计学意义。这表明存在中介关联。自举法用于量化观察到的间接关联的稳定性,但在本横断面研究中无法建立时间优先性或因果关系。结论:痛风与高血压有直接或间接的关系,通过bmi相关途径。因此,监测和控制老年痛风患者的BMI对改善高血压的进展具有重要意义。
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引用次数: 0
Analysis of Outcomes in Pancreaticoduodenectomy for Elderly Patients Aged 80 and Above: A Retrospective Study Using Inverse Probability of Treatment Weighting 80岁及以上老年患者胰十二指肠切除术的预后分析:采用治疗加权逆概率的回顾性研究
IF 2.5 Q3 GERIATRICS & GERONTOLOGY Pub Date : 2025-10-13 DOI: 10.1002/agm2.70048
Tianxiao Wang, Yue Qiu, Yingjixing Luo, Ruili Wei, Li Xu, Jia Huang, Wenying Zhou, Hanchun Huang, Yongliang Sun, Zhiying Yang

Objectives

With an aging population, more elderly individuals are facing the decision to undergo complex surgeries, such as pancreaticoduodenectomy (PD). This study evaluates the safety and feasibility of PD in patients aged 80 and above.

Methods

We conducted a retrospective analysis of 422 patients who underwent PD between August 2011 and January 2024. The patients were categorized into three age groups: < 60 years, 60–79 years, and ≥ 80 years. We adjusted for baseline characteristics using inverse probability of treatment weighting (IPTW) and compared postoperative complications, hospital stay durations, 90-day mortality, and long-term survival across the groups. A subgroup analysis identified factors associated with complications and 90-day mortality.

Results

After IPTW adjustment, no significant differences in complications or long-term survival were observed between the groups. However, the ≥ 80-year group had a significantly higher 90-day mortality rate (13.64%) compared to the 60–79 years group (2.00%) and the < 60 years group (1.46%) (p = 0.002). Subgroup analysis identified hypertension, coronary artery disease (CAD), and nutritional risk (NRS ≥ 3) as independent risk factors for complications, while age ≥ 80 and CAD were associated with higher 90-day mortality.

Conclusions

Age does not significantly impact postoperative complications or long-term survival following PD. While PD is safe and feasible for the elderly, those with cardiovascular comorbidities or poor nutritional status face higher risks of complications and mortality. A comprehensive preoperative assessment is critical to minimizing these risks.

随着人口的老龄化,越来越多的老年人面临着接受复杂手术的决定,如胰十二指肠切除术(PD)。本研究评估80岁及以上患者PD治疗的安全性和可行性。方法对2011年8月至2024年1月期间接受PD治疗的422例患者进行回顾性分析。患者分为60岁、60 - 79岁和≥80岁三个年龄组。我们使用治疗加权逆概率(IPTW)调整基线特征,并比较两组患者的术后并发症、住院时间、90天死亡率和长期生存率。亚组分析确定了并发症和90天死亡率相关的因素。结果调整IPTW后,两组患者并发症及长期生存率无显著差异。≥80岁组90天死亡率(13.64%)明显高于60 - 79岁组(2.00%)和60岁组(1.46%)(p = 0.002)。亚组分析发现高血压、冠状动脉疾病(CAD)和营养风险(NRS≥3)是并发症的独立危险因素,而年龄≥80岁和CAD与较高的90天死亡率相关。结论年龄对PD术后并发症及远期生存率无显著影响。虽然PD对老年人来说是安全可行的,但那些有心血管合并症或营养状况不佳的人面临更高的并发症和死亡率风险。全面的术前评估对于减少这些风险至关重要。
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引用次数: 0
Detection of Frailty in Primary Care 初级保健中虚弱的检测
IF 2.5 Q3 GERIATRICS & GERONTOLOGY Pub Date : 2025-10-10 DOI: 10.1002/agm2.70050
Duncan Forsyth
<p>As populations age, while those aged 65 years can expect to live on average around half of their remaining life expectancy in good health, the likelihood of their being disabled and/or experiencing multiple chronic and complex health conditions increases with advancing age. Thus, as life expectancy increases, so does the amount of time spent in poor health, which means the number of people living with complex and multiple conditions will also increase [<span>1</span>]. Those living in deprived areas or experiencing poverty throughout life are more likely to develop frailty earlier than those from wealthier backgrounds [<span>2</span>].</p><p>Although the risk of becoming frail increases with advancing age, frailty is not an inevitable consequence of aging, nor is it confined to the older population [<span>3</span>]. Rockwood [<span>4</span>] defined frailty as “a failure to integrate responses in the face of stress. This is why diseases manifest themselves as the “geriatric giants”….functions …such as staying upright, maintaining balance and walking are more likely to fail, resulting in falls, immobility or delirium”; in other words, frailty equates to poor functional and often cognitive reserve and is more related to biological than chronological age. The “geriatric giants,” also known as the 4 “I's: falls (instability), confusion (intellectual failure), immobility, and incontinence; to which might be added iatrogenic disease; may present as any combination of falls, confusion, immobility, and incontinence.” Particularly good markers of frailty are falls and delirium. Frailty is common, affecting approximately 10% of those aged over 65 years and 25%–50% of those aged over 85 years [<span>5</span>] and leads to a higher risk of sudden deterioration in physical and mental health, often precipitated by a relatively minor event [<span>5</span>] with a higher risk of mortality [<span>6</span>]; and is distinct from living with one or more long-term conditions. Around 47% of hospital inpatients over 65 are affected by frailty [<span>7</span>]; clinical frailty score [<span>8</span>] correlates with increased mortality rates, with a 25% increase in mortality risk for each point increase in clinical frailty score (CFS) [<span>9</span>], and with increased length of hospital stay [<span>10</span>].</p><p>So, as there is a risk of significant harm to those who are frail (those with complex needs), if healthcare systems and interventions are planned without consideration of their frailty, the purpose of screening for frailty is to identify: those at risk; what their risks are; and to implement what is necessary to minimize these risks, in order to reduce the risk of harm. That is, to do more good than harm! As complex frail older people have become major consumers of healthcare, there is a need for healthcare systems to move from single-condition disease-oriented care to individualized goal-oriented coordinated care and support; doing so should benefit
随着人口老龄化,虽然65岁以上的人有望在健康状况良好的情况下平均度过其剩余预期寿命的一半左右,但随着年龄的增长,他们残疾和/或出现多种慢性和复杂健康状况的可能性也在增加。因此,随着预期寿命的增加,健康状况不佳的时间也会增加,这意味着患有复杂和多种疾病的人数也会增加。那些生活在贫困地区或终生处于贫困状态的人比那些来自富裕家庭的人更有可能更早地出现身体虚弱。虽然身体虚弱的风险随着年龄的增长而增加,但虚弱并不是老龄化的必然结果,也不局限于老年人口。Rockwood b[4]将脆弱定义为“面对压力时未能整合反应”。这就是为什么疾病表现为“老年巨人”....保持直立、保持平衡和行走等功能更容易失效,从而导致跌倒、行动不便或精神错乱”;换句话说,虚弱等同于功能低下,通常是认知储备不足,与生理年龄的关系大于与实足年龄的关系。“老年巨人”,也被称为4个“I”:跌倒(不稳定)、混乱(智力障碍)、不动和大小便失禁;再加上医源性疾病;可能表现为跌倒、神志不清、行动不便和大小便失禁。”特别好的虚弱标志是跌倒和精神错乱。虚弱很常见,大约10%的65岁以上老年人和25%-50%的85岁以上老年人受到影响,并导致身体和精神健康突然恶化的风险更高,往往由相对较小的事件[5]引发,而死亡风险更高[6];它不同于患有一种或多种长期疾病。在65岁以上的住院病人中,约有47%患有虚弱症。临床虚弱评分[8]与死亡率增加相关,临床虚弱评分(CFS)[9]每增加1分,死亡风险增加25%,住院时间[10]增加。因此,由于存在对体弱多病者(有复杂需求的人)造成重大伤害的风险,如果在规划卫生保健系统和干预措施时没有考虑到他们的脆弱性,那么进行体弱多病筛查的目的是确定:有风险的人;他们的风险是什么;并采取必要措施将这些风险降到最低,以减少伤害的风险。也就是说,利大于弊!随着复杂体弱的老年人成为医疗保健的主要消费者,医疗保健系统需要从单一疾病导向的护理转向个性化目标导向的协调护理和支持;这样做应该有利于消费者和他们使用的卫生保健系统[11-14]。大多数人口是低风险患者,没有或只有在初级保健中易于管理的轻微病症;高达35%是高危患者,患有一种或多种慢性疾病,其中每年约18%将成为高危患者;具有多种复杂条件和合并症的最脆弱队列约占人口的5%,他们面临最高的医疗危机风险,并且是成本最高的患者。如果我们能够预测和延迟健康状况不佳的发生,以尽量减少多种情况的后果,那么就应该相应地减少与卫生系统进行多次、计划外和/或紧急互动的需求[11,16 -18],并改善人们的体验[19,20]。2017-2018年,英国全科医生合同中纳入了使用健康记录数据进行常规虚弱识别,并直接对患者进行评估,以识别那些有更大不良后果风险的患者。筛查可能是机会性的,通过评估到卫生和保健服务机构就诊的人的虚弱程度;或者以人群为基础,采取更系统的方法来主动识别可能患有虚弱的人。身体虚弱指标是生活在社区的65岁以上老年人日常生活活动(ADL)损害的预测指标。监测这些指标可能有助于确定哪些老年人可以从预防ADL残疾的干预措施中受益。缓慢的步态速度和低体力活动/锻炼是最有力的预测因素,其次是体重减轻、下肢功能减退、平衡能力差和肌肉力量低。应采用多学科方法来确定65岁以上的虚弱老年人及其病情程度(轻度、中度、重度);来自初级保健团队的专职人员应该通过选择最合适的护理来满足虚弱者的主要需求,协调对虚弱者的护理。 这一进程需要对需求、照料和支助规划进行全面和全面的评估,以便在可行的情况下促进自我管理,需要社区照料和支助,以解决社会孤立和孤独等问题,需要社会照料和支助,以满足照料需要[b]。综合老年病评估(CGA)是评估中重度虚弱患者的黄金标准,减少再入院的效果更好;减少制度化;更低的医疗费用;6个月时存活在家中的几率要高出30%[23,24]。用于筛选脆弱的工具将取决于可用性和用户熟悉程度。在这位作者看来:“重要的不是你使用什么工具,而是你使用一个你熟悉/舒适的工具,并且你了解它的功能和局限性。”在英国,电子虚弱指数(eFI)使用常规收集的数据编码在全科医生电子病历计算虚弱指数;这有助于确定那些将从进一步评估中受益的患者。eFI得分越高,表明身体越虚弱,不良后果的风险也越大。例如,与健康的老年人相比,eFI得分为0.36的老年人在未来12个月内入院的风险增加了6倍,死亡风险增加了5倍。然而,并不是所有的实践都可以访问eFI,但是那些可以使用这些信息来按虚弱程度(不虚弱;轻度,中度或严重虚弱)对65岁及以上的人口进行分层。使用eFI的虚弱诊断应通过使用CFS或类似的验证工具(例如埃德蒙顿虚弱量表[26])直接评估对中度和重度人群进行(系统地或机会性地)验证;轻度虚弱相当于CFS评分4-5分,中度虚弱相当于CFS评分6分,严重虚弱相当于CFS评分7分或以上。一旦确定,评估那些生活虚弱的人的两个关键要素是:跌倒风险识别和下一步减少这种风险,这应该遵循国家健康和护理卓越研究所(NICE)指南161 bbb;以及年度药物审查,可能使用STOPP START标准[29]。对于体弱多病(2种或2种以上长期疾病)的患者,NICE指南56提供了针对多病bbb患者量身定制护理的指导。最后,虚弱应该被认为是一种渐进的、长期的状况,可以改善但不能治愈,因此需要个性化的治疗计划,协调的、以人为本的积极护理,包括家庭照顾者[10];它在个人和社会层面上都是昂贵的;个人容易出现偶发性危机,因此管理人员试图避免/减少这些危机,从而帮助减少对生活经历的任何不利影响。重要的是要认识到预后的不确定性,并与患者和家属坦诚地讨论预后的不确定性。
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引用次数: 0
The Mechanism and Potential Therapeutic Strategies of Vascular Aging 血管老化的机制和潜在的治疗策略
IF 2.5 Q3 GERIATRICS & GERONTOLOGY Pub Date : 2025-10-10 DOI: 10.1002/agm2.70043
Wan-Zhou Wu, Xuan Wang, Fang-Fang Wu, Xiao-Tian Yan, Yong-Ping Bai

As we approach the mid-21st century, more developing countries are progressing towards becoming developed nations. Advances in medical technology have resulted in the prolonged human lifespan and a sustained decline in birth rates, leading to a growing proportion of the population being aged 65 and above. The aging process is associated with organ function deterioration, increased risks of age-related diseases, and a decrease in the quality of life for older adults. While there is ongoing debate about whether aging should be considered a disease or a natural physiological process, understanding the reasons for aging, identifying and measuring aging, and intervening in the aging process have become key topics in current medical research. Recent studies indicate that the rate of organ aging varies among individuals, with blood vessels being one of the organs that age first. Vascular aging increases the risk of cardiovascular diseases, overall mortality, and shortens lifespan. Therefore, in-depth research on vascular aging is crucial for understanding its impact on vascular and multi-organ function. In this review, we discuss the phenotypes caused by vascular aging, mechanisms of aging in various vascular cells, and potential therapeutic strategies for vascular aging.

随着我们进入21世纪中叶,越来越多的发展中国家正在向发达国家迈进。医疗技术的进步使人类寿命延长,出生率持续下降,65岁及以上的人口比例越来越大。衰老过程与器官功能恶化、与年龄有关的疾病风险增加以及老年人生活质量下降有关。在衰老究竟是一种疾病还是一种自然生理过程的争论中,了解衰老的原因、识别和测量衰老、干预衰老过程已成为当前医学研究的重点课题。最近的研究表明,器官衰老的速度因人而异,血管是最早衰老的器官之一。血管老化会增加患心血管疾病的风险,提高总体死亡率,缩短寿命。因此,深入研究血管老化对于了解其对血管和多器官功能的影响至关重要。在这篇综述中,我们讨论了由血管衰老引起的表型,各种血管细胞的衰老机制,以及血管衰老的潜在治疗策略。
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引用次数: 0
New Technologies for Blood Glucose Management in Elderly Diabetics: An Interpretation of the Guidelines for the Management of Diabetes Mellitus in the Elderly in China (2024 Edition) 老年糖尿病患者血糖管理新技术——中国老年糖尿病管理指南(2024年版)解读
IF 2.5 Q3 GERIATRICS & GERONTOLOGY Pub Date : 2025-10-10 DOI: 10.1002/agm2.70044
Qingyun Cai, Peiyi Zhao, Xinda Chen, Shuyi Yu, Lixin Guo, Qi Pan

The burden of diabetes in the elderly is becoming increasingly severe due to the aging population. Elderly patients with diabetes face unique challenges due to multiple comorbidities, atypical symptoms, an increased risk of hypoglycemia, and limited self-management capabilities. The Guidelines for the Management of Diabetes Mellitus in the Elderly in China (2024 Edition) advocate for a stratified, individualized approach that addresses the heterogeneous pathophysiologic profiles of these patients. Recent technological advances, including continuous glucose monitoring, smart insulin pens, needle-free injection systems, and new insulin pumps, have significantly improved glycemic management. The updated guidelines systematically review evidence-based recommendations for managing diabetes in the elderly, emphasizing the benefits of modern monitoring and insulin delivery technologies. This article interprets the updated guidelines with a focus on the technical principles, clinical benefits, and application dilemmas to ultimately improve long-term outcomes among elderly patients with diabetes.

随着人口的老龄化,老年人的糖尿病负担日益加重。由于多种合并症、非典型症状、低血糖风险增加和自我管理能力有限,老年糖尿病患者面临着独特的挑战。《中国老年糖尿病管理指南(2024版)》提倡分层、个体化的治疗方法,以解决这些患者的异质病理生理特征。最近的技术进步,包括连续血糖监测、智能胰岛素笔、无针注射系统和新型胰岛素泵,显著改善了血糖管理。新版指南系统地回顾了针对老年人糖尿病管理的循证建议,强调了现代监测和胰岛素输送技术的益处。本文对更新后的指南进行解读,重点关注技术原则、临床益处和应用困境,以最终改善老年糖尿病患者的长期预后。
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引用次数: 0
Dose–Response Associations of Grip Strength and Gait Speed With Multidimensional Mental Health 握力和步态速度与多维心理健康的剂量-反应关联
IF 2.5 Q3 GERIATRICS & GERONTOLOGY Pub Date : 2025-10-10 DOI: 10.1002/agm2.70042
Jiapei Wei, Liming Zhang, Shengyi Li, Xucheng Wu, Xingqi Cao, Liying Chen, Zuyun Liu, Yangzhen Lu, Xuan Ge

Objectives

We aimed to examine the dose–response associations of grip strength and gait speed with multidimensional mental health among Chinese adults.

Methods

Cross-sectional data on 661 adults from the ZheJiang longitudinal Study of Healthy Aging (JASHA) were utilized. Grip strength and gait speed were measured during physical examinations. Multidimensional mental health, covering cognitive function (the Auditory Verbal Learning Test (AVLT), the Montreal Cognitive Assessment (MoCA) test, and the Digit Symbol Substitution Test (DSST)), depressive symptoms (the Center for Epidemiologic Studies Depression (CES-D) Scale), and psychological distress (the Perceived Stress Scale (PSS)), were assessed via standard questionnaires. Multivariable linear regression models and restricted cubic splines were applied to examine these associations.

Results

We found linear dose–response associations of grip strength and gait speed with most dimensions of mental health. For instance, higher grip strength was positively associated with higher cognitive function scores (AVLT_N3: β = 0.084, standard error (SE) = 0.032; DSST: β = 0.246, SE = 0.073 for per unit increase in grip strength) and lower CES-D scores (β = −1.265, SE = 0.626). Similarly, higher gait speed was associated with higher cognitive function scores (AVLT_N3: β = 2.882, SE = 0.860; MoCA: β = 0.996, SE = 0.499 for per unit increase in gait speed), lower CES-D scores (β = −1.448, SE = 0.692), and lower PSS scores (β = −2.808, SE = 0.938). Notably, the associations were more pronounced in females and older adults.

Conclusions

In this sample spanning a wide range of ages, we found linear significant associations of grip strength and gait speed with most dimensions of mental health. The finding unveils the intrinsic connections between musculoskeletal function and mental health, highlighting the potential of preserving musculoskeletal function, such as via maintaining regular physical exercise, to prevent mental health disorders, especially for females and older adults.

目的研究握力和步态速度与中国成年人多维心理健康的剂量-反应关系。方法采用浙江省健康老龄化纵向研究(JASHA) 661例成人的横断面数据。在体格检查中测量握力和步态速度。采用标准问卷对多维心理健康进行评估,包括认知功能(听觉语言学习测试(AVLT)、蒙特利尔认知评估(MoCA)和数字符号替代测试(DSST))、抑郁症状(流行病学研究中心抑郁量表(CES-D))和心理困扰(感知压力量表(PSS))。多变量线性回归模型和限制三次样条被用来检验这些关联。结果我们发现握力和步态速度与心理健康的大多数维度呈线性剂量反应关系。例如,握力越大,认知功能得分越高(AVLT_N3: β = 0.084,标准误差(SE) = 0.032;DSST: β = 0.246, SE = 0.073,每单位增加握力)和较低的CES-D评分(β = - 1.265, SE = 0.626)。同样,步态速度越快,认知功能评分越高(每单位步态速度增加的AVLT_N3: β = 2.882, SE = 0.860; MoCA: β = 0.996, SE = 0.499), CES-D评分越低(β = - 1.448, SE = 0.692), PSS评分越低(β = - 2.808, SE = 0.938)。值得注意的是,这种关联在女性和老年人中更为明显。在这个跨越广泛年龄范围的样本中,我们发现握力和步态速度与心理健康的大多数维度呈线性显著关联。这一发现揭示了肌肉骨骼功能和心理健康之间的内在联系,强调了保持肌肉骨骼功能的潜力,比如通过保持定期体育锻炼,预防心理健康疾病,尤其是对女性和老年人。
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引用次数: 0
Logistic Regression and Machine Learning Algorithms for the Risk Prediction of Perioperative Adverse Cardiovascular Events in Elderly Patients Logistic回归和机器学习算法用于老年患者围手术期心血管不良事件的风险预测
IF 2.5 Q3 GERIATRICS & GERONTOLOGY Pub Date : 2025-10-03 DOI: 10.1002/agm2.70037
Xiao Yan Li, Guang You Duan, Lin Li, Yi Yuan Gao, Li Wen Sun, Silin Zhu, Xiyezi Diao, Ning Wang, He Huang
<div> <section> <h3> Objectives</h3> <p>Elderly patients with perioperative adverse cardiovascular events (PACEs) may have poorer prognosis and higher mortality. Early identification of patients at risk of developing PACEs is an essential step in preventing and controlling PACEs. To develop and validate models to predict the likelihood of PACEs and to clarify the specific classification of PACEs with different risk stratification for the elderly patients during noncardiac surgery by integrating clinical data, biomarkers, and established risk factors. Most importantly, they help to support clinical decision making and improve patient prognosis.</p> </section> <section> <h3> Methods</h3> <p>This retrospective study included elderly in-patients undergoing noncardiac surgery at six hospitals in Chongqing City, China, from March 2020 to July 2021. Logistic regression and machine learning algorithms were used to construct models, which were evaluated by receiver operating characteristic curves, decision curve, calibration curve, sensitivity, specificity, and F1-score were used to interpret the model results. The diagnostic criteria for PACEs encompassed delirium, major adverse cardiovascular events, myocardial injury after noncardiac surgery, new perioperative atrial fibrillation, perioperative acute heart failure, pain and infection, and other cardiovascular events that pose a threat to perioperative safety and influence patient prognosis. PACEs were identified by expert anesthesiologists in accordance with ASA classification on the day preceding surgery.</p> </section> <section> <h3> Results</h3> <p>Of the 8309 patients included in the analysis, 1805 were suspected of having PACEs. The logistic regression model was chosen with the area under the curve for 0.895 (95% CI: 0.881–0.908). Pro-BNP, cardiac function grading, and creatinine (Cre) were the most related factors for PACEs, and a new composite indicator PCC was developed by combining the initials of these three indicators in the logistic regression model. The decision curve and calibration curve indicated that this indicator had respectable clinical value. In addition, a machine learning model was built to accurately predict PACEs of different risk stratification in the elderly. Precision-recall curves of the prediction showed low-risk precision was 0.86, and medium-risk precision was 0.870, and high-risk precision was 0.970. The F1 values are all greater than 0.850, especially for the high risk, the prediction effect reaches 0.970. The sensitivity and specificity of the prediction model were 0.736 and 0.973, respectively, indicating that it had the best predictive performance of risk stratificati
目的老年围手术期心血管不良事件(pace)患者预后较差,死亡率较高。早期识别有发生pace风险的患者是预防和控制pace的重要步骤。通过整合临床数据、生物标志物和已确定的危险因素,建立并验证预测非心脏手术中老年患者pace发生可能性的模型,并明确不同风险分层的pace的具体分类。最重要的是,它们有助于支持临床决策并改善患者预后。方法:本回顾性研究纳入了2020年3月至2021年7月在中国重庆市6家医院接受非心脏手术的老年住院患者。采用Logistic回归和机器学习算法构建模型,通过受试者工作特征曲线、决策曲线、校准曲线、敏感性、特异性和f1评分对模型结果进行评价。pace的诊断标准包括谵妄、重大心血管不良事件、非心脏手术后心肌损伤、新发围术期心房颤动、围术期急性心力衰竭、疼痛和感染以及其他威胁围术期安全、影响患者预后的心血管事件。手术前一天由麻醉专家根据ASA分类确定pace。结果纳入分析的8309例患者中,1805例疑似pace。选择logistic回归模型,曲线下面积为0.895 (95% CI: 0.881-0.908)。Pro-BNP、心功能分级和肌酐(Cre)是pace最相关的因素,在logistic回归模型中将这三个指标的首字母组合为新的复合指标PCC。判定曲线和标定曲线表明该指标具有良好的临床应用价值。此外,建立机器学习模型,准确预测老年人不同风险分层的pace。预测的精确召回曲线显示,低风险精度为0.86,中风险精度为0.870,高风险精度为0.970。F1值均大于0.850,尤其对于高风险,预测效果达到0.970。该预测模型的敏感性为0.736,特异性为0.973,具有最佳的pace风险分层预测性能。因此,我们可以合理地假设我们的两个模型可以有效地预测非心脏手术中pace的风险。该研究证明了使用可解释的方法准确识别高危pace患者的能力。结论本研究基于患者病历建立了pace患者风险预测模型,预测准确率较高。该模型有望为快速制定或调整老年患者的诊疗方案提供科学依据,为pace的预防、干预和监测提供临床策略,从而降低pace患者的死亡风险。
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引用次数: 0
期刊
Aging Medicine
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