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1.
Alzheimers Dement ; 20(4): 2575-2588, 2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-38358084

RESUMO

INTRODUCTION: Pragmatic research studies that include diverse dyads of persons living with dementia (PLWD) and their family caregivers are rare. METHODS: Community-dwelling dyads were recruited for a pragmatic clinical trial evaluating three approaches to dementia care. Four clinical trial sites used shared and site-specific recruitment strategies to enroll health system patients. RESULTS: Electronic health record (EHR) queries of patients with a diagnosis of dementia and engagement of their clinicians were the main recruitment strategies. A total of 2176 dyads were enrolled, with 80% recruited after the onset of the pandemic. PLWD had a mean age of 80.6 years (SD 8.5), 58.4% were women, and 8.8% were Hispanic/Latino, and 11.9% were Black/African American. Caregivers were mostly children of the PLWD (46.5%) or spouses/partners (45.2%), 75.8% were women, 9.4% were Hispanic/Latino, and 11.6% were Black/African American. DISCUSSION: Health systems can successfully enroll diverse dyads in a pragmatic clinical trial.


Assuntos
Demência , Criança , Humanos , Feminino , Idoso de 80 Anos ou mais , Masculino , Demência/epidemiologia , Demência/terapia , Cuidadores , Vida Independente
2.
Hypertension ; 81(3): 648-657, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-38189139

RESUMO

BACKGROUND: The optimal approach to implementing telemedicine hypertension management in the United States is unknown. METHODS: We examined telemedicine hypertension management versus the effect of usual clinic-based care on blood pressure (BP) and patient/clinician-related heterogeneity in a systematic review/meta-analysis. We searched United States-based randomized trials from Medline, Embase, CENTRAL, CINAHL, PsycINFO, Compendex, Web of Science Core Collection, Scopus, and 2 trial registries. We used trial-level differences in BP and its control rate at ≥6 months using random-effects models. We examined heterogeneity in univariable metaregression and in prespecified subgroups (clinicians leading pharmacotherapy [physician/nonphysician], self-management support [pharmacist/nurse], White versus non-White patient predominant trials [>50% patients/trial], diabetes predominant trials [≥25% patients/trial], and White patient predominant but not diabetes predominant trials versus both non-White and diabetes patient predominant trials]. RESULTS: Thirteen, 11, and 7 trials were eligible for systolic and diastolic BP difference and BP control, respectively. Differences in systolic and diastolic BP and BP control rate were -7.3 mm Hg (95% CI, -9.4 to -5.2), -2.7 mm Hg (-4.0 to -1.5), and 10.1% (0.4%-19.9%), respectively, favoring telemedicine. Greater BP reduction occurred in trials where nonphysicians led pharmacotherapy, pharmacists provided self-management support, White patient predominant trials, and White patient predominant but not diabetes predominant trials, with no difference by diabetes predominant trials. CONCLUSIONS: Telemedicine hypertension management is more effective than clinic-based care in the United States, particularly when nonphysicians lead pharmacotherapy and pharmacists provide self-management support. Non-White patient predominant trials achieved less BP reduction. Equity-conscious, locally informed adaptation of telemedicine interventions is needed before wider implementation.


Assuntos
Diabetes Mellitus , Hipertensão , Telemedicina , Humanos , Estados Unidos , Pressão Sanguínea , Hipertensão/diagnóstico , Hipertensão/tratamento farmacológico , Farmacêuticos
3.
Alzheimers Dement ; 20(2): 769-782, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-37776210

RESUMO

INTRODUCTION: The U.S. study to protect brain health through lifestyle intervention to reduce risk (U.S. POINTER) is conducted to confirm and expand the results of the Finnish Geriatric Intervention Study to Prevent Cognitive Impairment and Disability (FINGER) in Americans. METHODS: U.S. POINTER was planned as a 2-year randomized controlled trial of two lifestyle interventions in 2000 older adults at risk for dementia due to well-established factors. The primary outcome is a global cognition composite that permits harmonization with FINGER. RESULTS: U.S. POINTER is centrally coordinated and conducted at five clinical sites (ClinicalTrials.gov: NCT03688126). Outcomes assessments are completed at baseline and every 6 months. Both interventions focus on exercise, diet, cognitive/social stimulation, and cardiovascular health, but differ in intensity and accountability. The study partners with a worldwide network of similar trials for harmonization of methods and data sharing. DISCUSSION: U.S. POINTER is testing a potentially sustainable intervention to support brain health and Alzheimer's prevention for Americans. Impact is strengthened by the targeted participant diversity and expanded scientific scope through ancillary studies.


Assuntos
Disfunção Cognitiva , Humanos , Idoso , Disfunção Cognitiva/psicologia , Estilo de Vida , Cognição , Exercício Físico , Encéfalo
4.
Eur J Intern Med ; 120: 80-84, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-37839972

RESUMO

BACKGROUND: Older persons accessing the Emergency Department (ED) spend more time and are at increased risk of poor outcomes. The Dynamic Silver Code (DSC), based on administrative data, predicts mortality of 75+ subjects visiting the ED. OBJECTIVE: To evaluate the effects of the implementation of the DSC in the ED. METHODS: A pre-post comparison was conducted in the ED of a community hospital in Florence, Italy before and after the DSC was fully implemented. In the post-DSC phase, a clinical decision tree was applied: patients at low-mild risk (DSC class I and II) were assigned to Internal Medicine, those at moderate risk (class III) to Geriatrics, and those at high risk (class IV) required geriatric consultation before assignment. Outcome measures were ED length of stay (LOS) and, in patients admitted to Geriatrics, weight of the Diagnosis Related Groups (DRG), hospital LOS, and mortality. RESULTS: 7,270 patients were enrolled in the pre-DSC and 4,725 in the post-DSC phase. ED LOS decreased from a median of 380 [206, 958] in the pre-DSC to 318 [178, 655] min in the post-DSC period (p<0.001). Class III represented the largest share of admissions to Geriatrics in the post-DSC period (57.7 % vs. 38.3 %; p<0.001). In patients admitted to Geriatrics, hospital LOS decreased by one day (p = 0.006) between the two study periods, with greater DRG weight and comparable mortality. CONCLUSIONS: Application of the DSC seemed to ease patient flow and to reduce LOS of older patients in the ED and increased appropriateness of admissions to Geriatrics.


Assuntos
Geriatria , Prata , Humanos , Idoso , Idoso de 80 Anos ou mais , Hospitalização , Serviço Hospitalar de Emergência , Tempo de Internação , Estudos Retrospectivos
5.
Alzheimers Dement ; 20(3): 1784-1796, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-38108158

RESUMO

INTRODUCTION: Vascular risk factors contribute to cognitive decline suggesting that maintaining cerebrovascular health could reduce dementia risk. The objective of this study is to evaluate the association of cerebrovascular reactivity (CVR), a measure of brain blood vessel elasticity, with mild cognitive impairment (MCI) and dementia. METHODS: Participants were enrolled in the Systolic Blood Pressure Intervention Trial Memory and Cognition in Decreased Hypertension (SPRINT-MIND) magnetic resonance imaging substudy. Baseline CVR in Alzheimer's disease (AD) signature regions were primary variables of interest. The occipital pole and postcentral gyrus were included as control regions. RESULTS: Higher AD composite CVR was associated with lower MCI risk. No significant associations between inferior temporal gyrus, occipital pole, or postcentral gyrus CVR and MCI risk, or any regional CVR-combined risk associations were observed. DISCUSSION: CVR in AD signature regions is negatively associated with occurrence of MCI, implicating CVR in AD signature regions as a potential mechanism leading to cognitive impairment.


Assuntos
Doença de Alzheimer , Disfunção Cognitiva , Hipertensão , Humanos , Doença de Alzheimer/patologia , Cognição/fisiologia , Disfunção Cognitiva/patologia , Hipertensão/complicações , Imageamento por Ressonância Magnética , Adulto , Ensaios Clínicos como Assunto
6.
Artigo em Inglês | MEDLINE | ID: mdl-38038339

RESUMO

BACKGROUND: The prognostic implication of cholesterol levels in older adults remains uncertain. This study aimed to examine the relationship between low-density-lipoprotein-cholesterol (LDL-c) and mortality outcomes in older individuals. METHODS: This post-hoc analysis examined the associations of LDL-c levels with mortality risks from all-cause, CVD, cancer, and combined non-CVD/non-cancer conditions in a cohort of individuals aged ≥65 years from the ASPREE trial (NCT01038583). At baseline, participants had no diagnosed dementia, physical disability, or cardiovascular disease (CVD), and were not taking lipid-lowering agents. Outcome analyses were performed using multivariable Cox models. RESULTS: We analysed 12,334 participants (mean age:75.2 years). Over a median 7-year follow-up, 1250 died. Restricted cubic splines found a U-shaped relation for LDL-c and all-cause mortality, cancer mortality, and non-cancer/non-CVE mortality (nadir: 3.3-3.4 mmol/L); the risk of CVD mortality was similar at LDL-c below 3.3 mmol/L and increased above 3.3 mmol/L. The similar trends were observed in analyses modelling LDL-c by quartiles. When modelling LDL-c as a continuous variable, the risk of all-cause mortality, cancer mortality, and non-cancer/non-CVD mortality was decreased by 9%, 16% and 18% respectively per 1-mmol/L higher LDL-c, and the risk of CVD mortality was increased by 19% per 1-mmol/L higher LDL-c. Reduced all-cause and non-CVD/non-cancer mortality risks were only significant in males but not females (Pinteraction <0.05). CONCLUSIONS: There were U-shaped relationships between LDL-c and all-cause mortality, cancer mortality, and non-cancer/non-CVD mortality in healthy older adults. Higher LDL-c levels were associated with an increased risk of CVD mortality. Future studies are warranted to confirm our results.

7.
medRxiv ; 2023 Sep 15.
Artigo em Inglês | MEDLINE | ID: mdl-37745417

RESUMO

Background: Telemedicine management of hypertension (TM-HTN) uses home blood pressure (BP) to guide pharmacotherapy and telemedicine-based self-management support (SMS). Optimal approach to implementing TM-HTN in the US is unknown. Methods: We conducted a systematic review and a meta-analysis to examine the effect of TM-HTN vs. usual clinic-based care on BP and assessed heterogeneity by patient- and clinician-related factors. We searched US-based randomized clinical trials among adults from Medline, Embase, CENTRAL, CINAHL, PsycInfo, and Compendex, Web of Science Core Collection, Scopus, and two trial registries to 7/7/2023. Two authors extracted, and a third author confirmed data. We used trial-level differences in systolic BP (SBP), diastolic BP (DBP) and BP control rate at ≥6 months using random-effects models. We examined heterogeneity of effect in univariable meta-regression and in pre-specified subgroups [clinicians leading pharmacotherapy (physician vs. non-physician), SMS (pharmacist vs. nurse), White vs. non-White patient predominant trials (>50% patients/trial), diabetes predominant trials (≥25% patients/trial) and in trials that have majority of both non-White patients and patients with diabetes vs. White patient predominant but not diabetes predominant trials. Results: Thirteen, 11 and 7 trials were eligible for SBP, DBP and BP control, respectively. Differences in SBP, DBP and BP control rate were -7.3 mmHg (95% CI: - 9.4, -5.2), -2.7 mmHg (-4.0, -1.5) and 10.1% (0.4%, 19.9%), respectively, favoring TM-HTN. More BP reduction occurred in trials with non-physician vs. physician led pharmacotherapy (9.3/4.0 mmHg vs. 4.9/1.1 mmHg, P<0.01 for both SBP/DBP), pharmacist vs. nurses provided SMS (9.3/4.1 mmHg vs. 5.6/1.0 mmHg, P=0.01 for SBP, P<0.01 for DBP), and White vs. non-White patient predominant trials (9.3/4.0 mmHg vs. 4.4/1.1 mmHg, P<0.01 for both SBP/DBP), with no difference by diabetes predominant trials. Lower BP reduction occurred in both diabetes and non-White patient predominant trials vs. White patient predominant but not diabetes predominant trials (4.5/0.9 mmHg vs. 9.5/4.2 mmHg, P<0.01 for both SBP/DBP). Conclusions: TM-HTN is more effective than clinic-based care in the US, particularly when non-physician led pharmacotherapy and pharmacist provided SMS. Non-White patient predominant trials seemed to achieve lesser BP reduction. Equity conscious, locally informed adaptation of TM-HTN is needed before wider implementation. Clinical Perspective: What Is New?: In this systematic review and meta-analysis of US-based clinical trials, we found that telemedicine management of hypertension (TM-HTN) was more effective in reducing and controlling blood pressure (BP) compared with clinic based hypertension (HTN) care.The BP reduction was more evident when pharmacotherapy was led by non-physician compared with physicians and HTN self-management support was provided by clinical pharmacists compared with nurses,Non-White patient predominant trials achieved lesser BP reductions than White patient predominant trials.What Are the Clinical Implications?: Before wider implementation of TM-HTN intervention in the US, locally informed adaptation, such as optimizing the team-based HTN care approach, can provide more effective BP control.Without equity focused tailoring, TM-HTN intervention implemented as such can exacerbate inequities in BP control among non-White patients in the US.

8.
PLoS One ; 18(9): e0292079, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37756354

RESUMO

PURPOSE: The relationship of types of visual function to different aspects of physical function, especially strength and coordination, has been understudied, but delineation of these relationships could suggest potentially modifiable targets prior to the onset of disability. METHODS: Cross-sectional analysis of visual function (self-reported eyesight and eye disease, visual acuity, contrast sensitivity) and physical function tests in 877 older adults (mean age 76.36±5.01 years, 59.2% women, and 13.3% Black race). Separate linear regression models were constructed for short physical performance battery (SPPB), expanded SPPB (eSPPB), their components (gait speed, chair stand, balance, narrow walk), stair climb, four-square step, leg extension peak power and strength, and grip strength. RESULTS: In adjusted models, worse acuity, worse contrast sensitivity, and self-reported poor vision were significantly associated with worse performance on the eSPPB and four-square step test. Worse contrast sensitivity, but not acuity, was significantly associated with shorter balance times, slower chair stand pace, longer stair climb time, and worse SPPB score. Associations of worse acuity and contrast sensitivity with weaker leg extension power, leg strength, and grip strength were attenuated by covariate adjustment. Self-reported macular degeneration, but not cataract or glaucoma, was associated with worse performance on SPPB, eSPPB, balance, stair climb, and four-square step tests in adjusted models. Worse contrast sensitivity and macular degeneration remained associated with worse SPPB and balance after controlling for visual acuity and self-reported eyesight. CONCLUSIONS: Poor contrast sensitivity was more strongly associated with worse physical performance than acuity, especially for complex tasks that dynamically challenge coordination and balance. Future studies should examine if older adults with contrast sensitivity impairment would benefit from targeted intervention to decrease their risk of disability.


Assuntos
Degeneração Macular , Músculos , Feminino , Humanos , Idoso , Idoso de 80 Anos ou mais , Masculino , Estudos Transversais , Acuidade Visual , Envelhecimento
9.
JAMA Netw Open ; 6(7): e2325803, 2023 07 03.
Artigo em Inglês | MEDLINE | ID: mdl-37494038

RESUMO

Importance: Low-dose aspirin has been widely used for primary and secondary prevention of stroke. The balance between potential reduction of ischemic stroke events and increased intracranial bleeding has not been established in older individuals. Objective: To establish the risks of ischemic stroke and intracranial bleeding among healthy older people receiving daily low-dose aspirin. Design, Setting, and Participants: This secondary analysis of the Aspirin in Reducing Events in the Elderly (ASPREE) randomized, double-blind, placebo-controlled trial of daily low-dose aspirin was conducted among community-dwelling people living in Australia or the US. Participants were older adults free of symptomatic cardiovascular disease. Recruitment took place between 2010 and 2014, and participants were followed up for a median (IQR) of 4.7 (3.6-5.7) years. This analysis was completed from August 2021 to March 2023. Interventions: Daily 100-mg enteric-coated aspirin or matching placebo. Main Outcomes and Measures: Stroke and stroke etiology were predetermined secondary outcomes and are presented with a focus on prevention of initial stroke or intracranial bleeding event. Outcomes were assessed by review of medical records. Results: Among 19 114 older adults (10 782 females [56.4%]; median [IQR] age, 74 [71.6-77.7] years), 9525 individuals received aspirin and 9589 individuals received placebo. Aspirin did not produce a statistically significant reduction in the incidence of ischemic stroke (hazard ratio [HR], 0.89; 95% CI, 0.71-1.11). However, a statistically significant increase in intracranial bleeding was observed among individuals assigned to aspirin (108 individuals [1.1%]) compared with those receiving placebo (79 individuals [0.8%]; HR, 1.38; 95% CI, 1.03-1.84). This occurred by an increase in a combination of subdural, extradural, and subarachnoid bleeding with aspirin compared with placebo (59 individuals [0.6%] vs 41 individuals [0.4%]; HR, 1.45; 95% CI, 0.98-2.16). Hemorrhagic stroke was recorded in 49 individuals (0.5%) assigned to aspirin compared with 37 individuals (0.4%) in the placebo group (HR, 1.33; 95% CI, 0.87-2.04). Conclusions and Relevance: This study found a significant increase in intracranial bleeding with daily low-dose aspirin but no significant reduction of ischemic stroke. These findings may have particular relevance to older individuals prone to developing intracranial bleeding after head trauma. Trial Registration: ISRCTN.org Identifier: ISRCTN83772183.


Assuntos
AVC Isquêmico , Acidente Vascular Cerebral , Feminino , Humanos , Idoso , Inibidores da Agregação Plaquetária/efeitos adversos , Aspirina/efeitos adversos , Acidente Vascular Cerebral/epidemiologia , Acidente Vascular Cerebral/prevenção & controle , Acidente Vascular Cerebral/tratamento farmacológico , Hemorragia Cerebral/induzido quimicamente , Hemorragia Cerebral/epidemiologia , Hemorragia Cerebral/prevenção & controle , Hemorragias Intracranianas/induzido quimicamente , Hemorragias Intracranianas/epidemiologia , Hemorragias Intracranianas/prevenção & controle , AVC Isquêmico/tratamento farmacológico
10.
Cell Rep Med ; 4(6): 101089, 2023 06 20.
Artigo em Inglês | MEDLINE | ID: mdl-37343515

RESUMO

A large interventional trial, the Systolic Blood Pressure Intervention Trial sub-study termed Memory and Cognition in Decreased Hypertension (SPRINT-MIND), found reduced risk of cognitive impairment in older adults with intensive, relative to standard, blood-pressure-lowering targets (systolic BP < 120 vs. <140 mm Hg). In this perspective, we discuss key questions and make recommendations for clinical practice and for clinical trials, following SPRINT-MIND. Future trials should embody cognitive endpoints appropriate to the participant group, ideally with adaptive designs that ensure robust answers for cognitive and cardiovascular endpoints. Reliable data from diverse populations, including the oldest-old (age > 80 years), will maximize external validity and global implementation of trial findings. New biomarkers will improve phenotyping to stratify patients to optimal treatments. Currently no antihypertensive drug class stands out for dementia risk reduction. Multi-domain interventions, incorporating lifestyle change (exercise, diet) alongside medications, may maximize global impact. Given the low cost and wide availability of antihypertensive drugs, intensive BP reduction may be a cost-effective means to reduce dementia risk in diverse, aging populations worldwide.


Assuntos
Disfunção Cognitiva , Demência , Hipertensão , Humanos , Idoso , Idoso de 80 Anos ou mais , Hipertensão/tratamento farmacológico , Hipertensão/psicologia , Disfunção Cognitiva/tratamento farmacológico , Anti-Hipertensivos/uso terapêutico , Demência/prevenção & controle , Internacionalidade
11.
JAMA Netw Open ; 6(5): e2314443, 2023 05 01.
Artigo em Inglês | MEDLINE | ID: mdl-37204788

RESUMO

Importance: Intensive vs standard treatment to lower systolic blood pressure (SBP) reduces risk of mild cognitive impairment (MCI) or dementia; however, the magnitude of cognitive benefit likely varies among patients. Objective: To estimate the magnitude of cognitive benefit of intensive vs standard systolic BP (SBP) treatment. Design, Setting, and Participants: In this ad hoc secondary analysis of the Systolic Blood Pressure Intervention Trial (SPRINT), 9361 randomized clinical trial participants 50 years or older with high cardiovascular risk but without a history of diabetes, stroke, or dementia were followed up. The SPRINT trial was conducted between November 1, 2010, and August 31, 2016, and the present analysis was completed on October 31, 2022. Intervention: Systolic blood pressure treatment to an intensive (<120 mm Hg) vs standard (<140 mm Hg) target. Main Outcomes and Measures: The primary outcome was a composite of adjudicated probable dementia or amnestic MCI. Results: A total of 7918 SPRINT participants were included in the analysis; 3989 were in the intensive treatment group (mean [SD] age, 67.9 [9.2] years; 2570 [64.4%] men; 1212 [30.4%] non-Hispanic Black) and 3929 were in the standard treatment group (mean [SD] age, 67.9 [9.4] years; 2570 [65.4%] men; 1249 [31.8%] non-Hispanic Black). Over a median follow-up of 4.13 (IQR, 3.50-5.88) years, there were 765 and 828 primary outcome events in the intensive treatment group and standard treatment group, respectively. Older age (hazard ratio [HR] per 1 SD, 1.87 [95% CI, 1.78-1.96]), Medicare enrollment (HR per 1 SD, 1.42 [95% CI, 1.35-1.49]), and higher baseline serum creatinine level (HR per 1 SD, 1.24 [95% CI, 1.19-1.29]) were associated with higher risk of the primary outcome, while better baseline cognitive functioning (HR per 1 SD, 0.43 [95% CI, 0.41-0.44]) and active employment status (HR per 1 SD, 0.44 [95% CI, 0.42-0.46]) were associated with lower risk of the primary outcome. Risk of the primary outcome by treatment goal was estimated accurately based on similar projected and observed absolute risk differences (C statistic = 0.79). Higher baseline risk for the primary outcome was associated with greater benefit (ie, larger absolute reduction of probable dementia or amnestic MCI) of intensive vs standard treatment across the full range of estimated baseline risk. Conclusions and Relevance: In this secondary analysis of the SPRINT trial, participants with higher baseline projected risk of probable dementia or amnestic MCI gained greater absolute cognitive benefit from intensive vs standard SBP treatment in a monotonic fashion. Trial Registration: ClinicalTrials.gov Identifier: NCT01206062.


Assuntos
Demência , Hipertensão , Masculino , Humanos , Idoso , Estados Unidos , Feminino , Pressão Sanguínea/fisiologia , Hipertensão/tratamento farmacológico , Hipertensão/epidemiologia , Hipertensão/complicações , Anti-Hipertensivos/uso terapêutico , Anti-Hipertensivos/farmacologia , Medicare , Cognição , Demência/complicações
12.
Hypertension ; 80(7): 1484-1493, 2023 07.
Artigo em Inglês | MEDLINE | ID: mdl-37165900

RESUMO

BACKGROUND: Despite evidence supporting the cardiovascular and cognitive benefits of intensive blood pressure management, older adults have the lowest rates of blood pressure control. We determined the association between age and therapeutic inertia (TI) in SPRINT (Systolic Blood Pressure Intervention Trial), and whether frailty, cognitive function, or gait speed moderate or mediate these associations. METHODS: We performed a secondary analysis of SPRINT of participant visits with blood pressure above randomized treatment goal. We categorized baseline age as <60, 60 to <70, 70 to <80, and ≥80 years and TI as no antihypertensive medication intensification per participant visit. Generalized estimating equations generated odds ratios for TI associated with age, stratified by treatment group based on nested models adjusted for baseline frailty index score (fit [frailty index, ≤0.10], less fit [0.100.10). CONCLUSIONS: Older age is associated with greater TI independent of physical or cognitive function, implying age bias in hypertension management.


Assuntos
Fragilidade , Hipertensão , Idoso , Idoso de 80 Anos ou mais , Humanos , Pessoa de Meia-Idade , Anti-Hipertensivos/uso terapêutico , Anti-Hipertensivos/farmacologia , Pressão Sanguínea/fisiologia , Fragilidade/diagnóstico , Fragilidade/epidemiologia , Hipertensão/diagnóstico , Hipertensão/tratamento farmacológico , Hipertensão/epidemiologia , Fatores de Risco
13.
Contemp Clin Trials ; 130: 107231, 2023 07.
Artigo em Inglês | MEDLINE | ID: mdl-37196887

RESUMO

BACKGROUND: Aspirin as a primary preventative in healthy older adults did not prolong disability-free survival in the ASPREE randomized trial. Observational studies following randomized trials allow assessment of benefits and harms which may not appear during the trial. We describe health characteristics, physical function, and aspirin use in the ASPREE-eXTension (ASPREE-XT) observational study cohort. METHODS: Descriptive statistics compared health characteristics of those consented to ASPREE-XT at their first post-trial baseline (XT01) to corresponding ASPREE baseline values, and to those not consented. Likelihood of an indication for aspirin was assessed in participants reporting aspirin use at XT01. RESULTS: 16,317 (93%) of the remaining and eligible 17,546 ASPREE participants were consented into ASPREE-XT; 14,894 completed XT01. Mean participant age had increased from 74.9 to 80.6 years. Overall health and physical function declined from the original ASPREE baseline; more participants were living alone, there was higher prevalence of chronic kidney disease, diabetes, and frailty, grip strength was lower and gait speed slower. Those not consented into ASPREE-XT were slightly older, and had lower cognitive scores and higher prevalence of age-related conditions than those who continued. 1015/11,717 (8.7%) participants without an apparent indication for aspirin reported using aspirin at XT01. CONCLUSIONS: The ASPREE-XT cohort was slightly less healthy at the XT01 visit than at ASPREE trial initiation, and rates of aspirin use without indication were similar to ASPREE baseline. Participants will be followed long-term to investigate aspirin's potential legacy towards dementia and cancer prevention and explore determinants of healthy aging.


Assuntos
Aspirina , Cognição , Humanos , Idoso , Idoso de 80 Anos ou mais , Método Duplo-Cego
14.
J Am Geriatr Soc ; 71(6): 1701-1713, 2023 06.
Artigo em Inglês | MEDLINE | ID: mdl-37082807

RESUMO

Whether initiation of statins could increase survival free of dementia and disability in adults aged ≥75 years is unknown. PREVENTABLE, a double-blind, placebo-controlled randomized pragmatic clinical trial, will compare high-intensity statin therapy (atorvastatin 40 mg) with placebo in 20,000 community-dwelling adults aged ≥75 years without cardiovascular disease, disability, or dementia at baseline. Exclusion criteria include statin use in the prior year or for >5 years and inability to take a statin. Potential participants are identified using computable phenotypes derived from the electronic health record and local referrals from the community. Participants will undergo baseline cognitive testing, with physical testing and a blinded lipid panel if feasible. Cognitive testing and disability screening will be conducted annually. Multiple data sources will be queried for cardiovascular events, dementia, and disability; survival is site-reported and supplemented by a National Death Index search. The primary outcome is survival free of new dementia or persisting disability. Co-secondary outcomes are a composite of cardiovascular death, hospitalization for unstable angina or myocardial infarction, heart failure, stroke, or coronary revascularization; and a composite of mild cognitive impairment or dementia. Ancillary studies will offer mechanistic insights into the effects of statins on key outcomes. Biorepository samples are obtained and stored for future study. These results will inform the benefit of statins for increasing survival free of dementia and disability among older adults. This is a pioneering pragmatic study testing important questions with low participant burden to align with the needs of the growing population of older adults.


Assuntos
Demência , Inibidores de Hidroximetilglutaril-CoA Redutases , Infarto do Miocárdio , Acidente Vascular Cerebral , Humanos , Inibidores de Hidroximetilglutaril-CoA Redutases/uso terapêutico , Infarto do Miocárdio/tratamento farmacológico , Acidente Vascular Cerebral/epidemiologia , Demência/prevenção & controle , Demência/tratamento farmacológico , Lipídeos
15.
J Gerontol A Biol Sci Med Sci ; 78(8): 1513-1521, 2023 08 02.
Artigo em Inglês | MEDLINE | ID: mdl-36800312

RESUMO

BACKGROUND: To evaluate whether contrast sensitivity is associated with lower extremity physical function in cognitively intact older adults. METHODS: Cross-sectional analysis of the relationship of binocular and worse eye log contrast sensitivity (LCS) to expanded Short Physical Performance Battery (eSPPB) and its components (gait speed, narrow walking speed, chair stand pace, and balance) in 192 cognitively healthy older adults. The association of LCS with postural sway and gait was also tested with tasks that further challenged functional reserve. RESULTS: Mean age was 76.4 years with 56% identifying as female and over 98.5% having good corrected visual acuity. Lower LCS was significantly associated with worse performance on the eSPPB, 4-M gait speed, narrow walking speed, and balance time in unadjusted and adjusted models. The relationship between worse eye LCS and larger postural sway was 3 times greater on a foam surface (beta 1.07, 95% CI [0.35, 1.80]) than a firm surface (beta 0.35, 95% CI [0.05, 0.65]), and both were robust to adjustment for confounders; similar findings were observed with binocular LCS. Lower binocular LCS had a greater decremental effect on gait velocity during the fast pace (beta -0.58, 95% CI [-0.90, -0.27]) than the usual pace (Beta -0.39 [-0.63, -0.15]) gait task. CONCLUSIONS: These findings suggest that cognitively unimpaired older adults without significant visual acuity impairment can have subtle preclinical deficits in contrast sensitivity and physical function that could place them at risk of mobility and balance issues. Future studies should determine whether this subset of older adults may benefit from targeted intervention to prevent disability.


Assuntos
Encéfalo , Sensibilidades de Contraste , Humanos , Feminino , Idoso , Estudos Transversais , Marcha , Nível de Saúde , Velocidade de Caminhada , Equilíbrio Postural
16.
Am J Hosp Palliat Care ; 40(8): 881-893, 2023 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-36239407

RESUMO

Background: Patient portals can be an innovative and efficient way to engage patients in advance care planning (ACP). However, comprehension and judgment in older adults with cognitive impairment presents several barriers and challenges to engaging in new technology. Our objective was to develop an ACP portal-based tool (ACPVoice) for community-dwelling persons living with cognitive impairment (PLCI) by engaging end-users in the design process. Methods: Two rounds of cognitive interviews were conducted to identify and resolve cognitive issues related to comprehension, judgment, response, and to assess content validity. Purposive sampling was used with the goal of enrolling 15 different participants (five with mild cognitive impairment and five dyads (those with mild dementia and their care partner) in each round to assess respondents' understanding of questions related to advance care planning to be administered via the patient portal. Results: Twenty PLCI (mean age 78.4, 10 females [50%]) and ten care partners (mean age 60.9, 9 females [90%]) completed cognitive interviews between May 2021 and October 2021. The mean Mini-Mental State Examination score for PLCI was 25.6 (SD 2.6). Unclear wording and undefined vague and/or unfamiliar terms were the major issues identified. Revisions to item wording, response options, and instructions were made to improve question comprehension and response as well as navigational ease. Conclusion: Minor changes to the wording, format, and response options substantially improved respondents' ability to interpret the item content of the ACPVoice tool. Dissemination and implementation of the ACPVoice tool could help to engage community-dwelling PLCI in ACP discussions.


Assuntos
Planejamento Antecipado de Cuidados , Disfunção Cognitiva , Demência , Feminino , Humanos , Idoso , Vida Independente , Disfunção Cognitiva/terapia , Demência/psicologia
17.
J Gerontol A Biol Sci Med Sci ; 78(11): 2060-2069, 2023 10 28.
Artigo em Inglês | MEDLINE | ID: mdl-36346340

RESUMO

BACKGROUND: To assess the relationship between self-reported and performance-based visual impairment (VI) and lower extremity physical function. METHODS: Cross-sectional analysis of 2 219 Health ABC participants who completed vision testing and the Short Physical Performance Battery (SPPB). Linear regression models used either self-reported (weighted visual function question [VFQ] score) or performance-based (visual acuity [VA], log contrast sensitivity [LCS], Frisby stereoacuity [SA]) to predict SPPB or its components-gait speed, chair stands, or standing balance-with and without covariate adjustment. RESULTS: Mean age was 73.5 years (range 69-80); 52.4% were female and 37.4% African American. All VI measures were strongly associated with SPPB in unadjusted and adjusted models (p < .001). A self-reported VFQ score 1 standard deviation lower than the mean (mean 87.8 out of 100) demonstrated a -0.241 (95% confidence interval [CI]: -0.325, -0.156) adjusted difference in SPPB. After controlling for covariates, VA of <20/40 (41%) demonstrated a -0.496 (-0.660, -0.331) lower SPPB score while SA score>85 arcsec (30%) had a -0.449 (-0.627, -0.271) adjusted SPPB score versus those with better visual function. LCS < 1.55 (28.6%) was associated with a -0.759 (-0.938, -0.579) lower and LCS ≤ 1.30 (8%) with a -1.216 (-1.515, -0.918) lower adjusted SPPB score relative to better LCS. In a final multivariable model containing multiple vision measures, LCS remained independently associated with SPPB and all components, while SA remained associated with balance (all p < .05). CONCLUSIONS: Both self-reported and performance-based VI are strongly associated with poor lower extremity physical function. These findings may identify a subgroup of older adults with co-existing visual and physical dysfunction who may benefit from targeted screening and intervention to prevent disability.


Assuntos
Pessoas com Deficiência , Velocidade de Caminhada , Humanos , Feminino , Idoso , Idoso de 80 Anos ou mais , Masculino , Autorrelato , Estudos Transversais
18.
JAMA Intern Med ; 182(12): 1289-1297, 2022 12 01.
Artigo em Inglês | MEDLINE | ID: mdl-36342703

RESUMO

Importance: Falls and fractures are frequent and deleterious to the health of older people. Aspirin has been reported to reduce bone fragility and slow bone loss. Objective: To determine if daily low-dose aspirin (100 mg) reduces the risk of fractures or serious falls (fall-related hospital presentations) in healthy older men and women. Design, Setting, and Participants: This substudy of a double-blind, randomized, placebo-controlled trial studied older adult men and women in 16 major sites across southeastern Australia. The ASPREE-FRACTURE substudy was conducted as part of the Australian component of the ASPREE trial. Between 2010 and 2014 healthy (free of cardiovascular disease, dementia or physical disability), community-dwelling volunteers aged 70 years or older were recruited to participate in the ASPREE trial. Potentially eligible participants were identified by medical practitioners and trial personnel and were then sent a letter of invitation to participate. Interested participants were screened for suitability. Eligible participants with medical practitioner authorization and adherent to a 4-week run-in medication trial were randomized. Data were analyzed from October 17, 2019, to August 31, 2022. Interventions: Participants in the intervention group received a daily dose of oral 100 mg enteric-coated (low-dose) aspirin. The control group received a daily identical enteric-coated placebo tablet. Main Outcomes and Measures: The primary outcome of ASPREE-FRACTURE was the occurrence of any fracture. The secondary outcome was serious fall resulting in hospital presentation. Results: In total, 16 703 people with a median (IQR) age of 74 (72-78) years were recruited, and 9179 (55.0%) were women. There were 8322 intervention participants and 8381 control participants included in the primary and secondary outcome analysis of 2865 fractures and 1688 serious falls over the median follow-up of 4.6 years. While there was no difference in the risk of first fracture between the intervention and control participants (hazard ratio, 0.97; 95% CI, 0.87-1.06; P = .50), aspirin was associated with a higher risk of serious falls (total falls 884 vs 804; incidence rate ratio, 1.17; 95% CI, 1.03-1.33; P = .01). Results remained unchanged in analyses that adjusted for covariates known to influence fracture and fall risk. Conclusions and Relevance: In this substudy of a randomized clinical trial, the failure of low-dose aspirin to reduce the risk of fractures while increasing the risk of serious falls adds to evidence that this agent provides little favorable benefit in a healthy, White older adult population. Trial Registration: This substudy is registered with the Australian New Zealand Clinical Trials Registry (ACTRN12615000347561).


Assuntos
Aspirina , Fraturas Ósseas , Masculino , Humanos , Feminino , Idoso , Austrália/epidemiologia , Aspirina/uso terapêutico , Fraturas Ósseas/epidemiologia , Fraturas Ósseas/prevenção & controle , Vida Independente
19.
JAMA Cardiol ; 7(11): 1138-1146, 2022 11 01.
Artigo em Inglês | MEDLINE | ID: mdl-36223105

RESUMO

Importance: The Systolic Blood Pressure Intervention Trial (SPRINT) showed that intensive blood pressure control reduced cardiovascular morbidity and mortality. However, the legacy effect of intensive treatment is unknown. Objective: To evaluate the long-term effects of randomization to intensive treatment with the incidence of cardiovascular and all-cause mortality approximately 4.5 years after the trial ended. Design, Setting, and Participants: In this secondary analysis of a multicenter randomized clinical trial, randomization began on November 8, 2010, the trial intervention ended on August 20, 2015, and trial close-out visits occurred through July 2016. Patients 50 years and older with hypertension and increased cardiovascular risk but without diabetes or history of stroke were included from 102 clinic sites in the US and Puerto Rico. Analyses were conducted between October 2021 and February 2022. Interventions: Randomization to systolic blood pressure (SBP) goal of less than 120 mm Hg (intensive treatment group; n = 4678) vs less than 140 mm Hg (standard treatment group; n = 4683). Main Outcomes and Measures: Extended observational follow-up for mortality via the US National Death Index from 2016 through 2020. In a subset of 2944 trial participants, outpatient SBP from electronic health records during and after the trial were examined. Results: Among 9361 randomized participants, the mean (SD) age was 67.9 (9.4) years, and 3332 (35.6%) were women. Over a median (IQR) intervention period of 3.3 (2.9-3.9) years, intensive treatment was beneficial for both cardiovascular mortality (hazard ratio [HR], 0.66; 95% CI, 0.49-0.89) and all-cause mortality (HR, 0.83; 95% CI, 0.68-1.01). However, at the median (IQR) total follow-up of 8.8 (8.3-9.3) years, there was no longer evidence of benefit for cardiovascular mortality (HR, 1.02; 95% CI, 0.84-1.24) or all-cause mortality (HR, 1.08; 95% CI, 0.94-1.23). In a subgroup of participants, the estimated mean outpatient SBP among participants randomized to intensive treatment increased from 132.8 mm Hg (95% CI, 132.0-133.7) at 5 years to 140.4 mm Hg (95% CI, 137.8-143.0) at 10 years following randomization. Conclusions and Relevance: The beneficial effect of intensive treatment on cardiovascular and all-cause mortality did not persist after the trial. Given increasing outpatient SBP levels in participants randomized to intensive treatment following the trial, these results highlight the importance of consistent long-term management of hypertension. Trial Registration: ClinicalTrials.gov Identifier: NCT01206062.


Assuntos
Anti-Hipertensivos , Hipertensão , Humanos , Feminino , Idoso , Masculino , Pressão Sanguínea/fisiologia , Anti-Hipertensivos/uso terapêutico , Hipertensão/fisiopatologia , Incidência , Modelos de Riscos Proporcionais
20.
Diabetes Spectr ; 35(3): 344-350, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-36082014

RESUMO

Objective: Despite guidelines recommending less stringent glycemic goals for older adults with type 2 diabetes, overtreatment is prevalent. Pragmatic approaches for prioritizing patients for optimal prescribing are lacking. We describe glycemic control and medication patterns for older adults with type 2 diabetes in a contemporary cohort, exploring variability by frailty status. Research Design and Methods: This was a cross-sectional observational study based on electronic health record (EHR) data, within an accountable care organization (ACO) affiliated with an academic medical center/health system. Participants were ACO-enrolled adults with type 2 diabetes who were ≥65 years of age as of 1 November 2020. Frailty status was determined by an automated EHR-based frailty index (eFI). Diabetes management was described by the most recent A1C in the past 2 years and use of higher-risk medications (insulin and/or sulfonylurea). Results: Among 16,973 older adults with type 2 diabetes (mean age 75.2 years, 9,154 women [53.9%], 77.8% White), 9,134 (53.8%) and 6,218 (36.6%) were classified as pre-frail (0.10 < eFI ≤0.21) or frail (eFI >0.21), respectively. The median A1C level was 6.7% (50 mmol/mol) with an interquartile range of 6.2-7.5%, and 74.1 and 38.3% of patients had an A1C <7.5% (58 mmol/mol) and <6.5% (48 mmol/mol), respectively. Frailty status was not associated with level of glycemic control (P = 0.08). A majority of frail patients had an A1C <7.5% (58 mmol/mol) (n = 4,544, 73.1%), and among these patients, 1,755 (38.6%) were taking insulin and/or a sulfonylurea. Conclusion: Treatment with insulin and/or a sulfonylurea to an A1C levels <7.5% is common in frail older adults. Tools such as the eFI may offer a scalable approach to targeting optimal prescribing interventions.

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