Publications by authors named "Wajngarten M"

The geriatric population is greatly impacted by cardiovascular disease. Thus, it becomes essential to 'geriatricise' the cardiologist through the dissemination of geriatric cardiology. In the early days of geriatric cardiology, it was discussed whether it was simply cardiology 'well done'.

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Introduction/objectives: In patients who have undergone recent percutaneous coronary intervention (PCI), poor adhesion to antiplatelet agents may increase the risk of stent thrombosis and death. We aimed to investigate the adherence to different P2Y12 receptor inhibitors after PCI with drug-eluting stent in stable and unstable patients and to evaluate the factors associated with low adherence.

Method: In a prospective study conducted between 2014 and 2018, the 8-item Morisky scale was applied at 30 days and 6 months post-PCI to measure P2Y12 receptor inhibitors adherence.

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Stroke is the second most common cause of mortality worldwide and the third most common cause of disability. Hypertension is the most prevalent risk factor for stroke. Stroke causes and haemodynamic consequences are heterogeneous which makes the management of blood pressure in stroke patients complex requiring an accurate diagnosis and precise definition of therapeutic goals.

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Background: The perception of cardiovascular (CV) risk is essential for adoption of healthy behaviors. However, subjects underestimate their own risk.

Hypothesis: Clinical characteristics might be associated with self-underestimation of CV risk.

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Objective:: Using magnetic resonance imaging, we aimed to assess the presence of silent brain vascular lesions in a sample of apparently healthy elderly individuals who were recruited from an economically disadvantaged urban region (São Paulo, Brazil). We also wished to investigate whether the findings were associated with worse cognitive performance.

Methods:: A sample of 250 elderly subjects (66-75 years) without dementia or neuropsychiatric disorders were recruited from predefined census sectors of an economically disadvantaged area of Sao Paulo and received structural magnetic resonance imaging scans and cognitive testing.

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Background: Depressive symptoms are independently associated with an increased risk of cardiovascular disease (CVD) among individuals with non-diagnosed CVD. The mechanisms underlying this association, however, remain unclear. Inflammation has been indicated as a possible mechanistic link between depression and CVD.

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Cardiovascular risk (CVR) factors may be associated with poor cognitive functioning in elderlies and impairments in brain structure. Using MRI and voxel-based morphometry (VBM), we assessed regional white matter (WM) volumes in a population-based sample of individuals aged 65-75 years ( = 156), subdivided in three CVR subgroups using the Framingham Risk Score. Cognition was assessed using the Short Cognitive Performance Test.

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Background: The effect of socioeconomic stressors on the incidence of cardiovascular disease (CVD) is currently open to debate. Using time-series analysis, our study aimed to evaluate the relationship between unemployment rate and hospital admission for acute myocardial infarction (AMI) and stroke in Brazil over a recent 11-year span.

Methods And Results: Data on monthly hospital admissions for AMI and stroke from March 2002 to December 2013 were extracted from the Brazilian Public Health System Database.

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Non-ST segment elevation coronary syndrome usually results from instability of an atherosclerotic plaque, with subsequent activation of platelets and several coagulation factors. Its treatment aims to reduce the ischemic pain, limiting myocardial damage and decreasing mortality. Several antiplatelet and anticoagulation agents have been proven useful, and new drugs have been added to the therapeutic armamentarium in the search for higher anti-ischemic efficacy and lower bleeding rates.

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Background: Pacemaker with remote monitoring (PRM) may be useful for silent atrial fibrillation (AF) detection. The aims of this study were to evaluate the incidence of silent AF, the role of PRM, and to determine predictors of silent AF occurrence.

Methods: Three hundred elderly patients with permanent pacemaker (PPM) were randomly assigned to the remote group (RG) or control group (CG).

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Background: The aging process promotes a progressive increase in chronic-degenerative diseases. The effect of these diseases on the functional capacity has been well recognized. Another health parameter concerns "quality of life related to health".

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Background: Poor adherence to medical treatment represents a major health problem. A subject's misperception of his own cardiovascular risk has been indicated as a key driver for low compliance with preventive measures. This study analysed the relationship between objectively calculated short- and long-term cardiovascular risk and its subjective perception.

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Few studies have evaluated the benefit of providing exercise to underprivileged older adults at risk for falls. Economically and educationally disadvantaged older adults with previous falls (mean age 79.06, SD = 4.

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Acute coronary syndromes (ACS) are the leading causes of death in the elderly. The suspicion and diagnosis of ACS in this age group is more difficult, since typical angina is less frequent. The morbidity and mortality is greater in older age patients presenting ACS.

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Article Synopsis
  • Cardiovascular risk factors (CVRF) may play a role in the development of Alzheimer's disease (AD) by affecting cerebral glucose metabolism.
  • A study using FDG-PET imaging analyzed 59 cognitively healthy elderly individuals categorized by their cardiovascular risk levels, revealing that those in the high-risk group exhibited significant reductions in cerebral metabolic rates compared to the low-risk group.
  • These findings indicate that increased cardiovascular risks in cognitively preserved individuals could mirror brain metabolic changes linked to early stages of AD, paving the way for strategies to prevent the disease's onset.
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Objectives: Though elderly persons with chronic atrial fibrillation have more comorbidities that could limit indications for the chronic use of anticoagulants, few studies have focused on the risk of falls within this particular group. To evaluate the predictors of the risk of falls among elderly with chronic atrial fibrillation, a cross-sectional, observational study was performed.

Methods: From 295 consecutive patients aged 60 years or older with a history of atrial fibrillation who were enrolled within the last 2 years in the cardiogeriatrics outpatient clinic of the Instituto do Coração do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, 107 took part in this study.

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Objective: To verify whether the capacity of high-density lipoprotein (HDL) to simultaneously receive nonesterified cholesterol, triglycerides, cholesteryl esters, and phospholipids changes with aging and the presence of coronary artery disease.

Design: Cross-sectional study with biochemical analyses.

Subjects: Eleven elderly patients with coronary artery disease (74 ± 5 years) were compared with the following groups of non-coronary artery disease subjects (referred to as "healthy"): 25 young (25 ± 5 years), 25 middle-aged (42 ± 6 years), and 25 elderly subjects (75 ± 8 years).

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Vascular risk factors may play an important role in the pathophysiology of Alzheimer's disease (AD). While there is consistent evidence of gray matter (GM) abnormalities in earlier stages of AD, the presence of more subtle GM changes associated with vascular risk factors in the absence of clinically significant vascular events has been scarcely investigated. This study aimed to examine GM changes in elderly subjects with cardiovascular risk factors.

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Background: The increase in life expectancy within the general population has resulted in an increasing number of elderly adults, including patients with Down syndrome (DS), with a current life expectancy of about 50 years. We evaluate the parameters of humoral and cellular immune response, the quantitative expression of the regulator of calcineurin1 gene (RCAN1) and the production of cytokines. The study group consisted of adults DS (n = 24) and a control group with intellectual disability without Down syndrome (ID) (n = 21) and living in a similar environmental background.

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