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63 result(s) for "Tarantini, Francesca"
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Psychological effects of treatment with new oral anticoagulants in elderly patients with atrial fibrillation: a preliminary report
Background and aims Atrial fibrillation (AF) is the most common arrhythmia in elderly people, yet oral anticoagulation is underused in the aged. We tried to determine whether new oral anticoagulants (NOA) have greater psychological tolerability than warfarin. Methods Age-, gender-matched groups of AF patients receiving NOA ( N  = 15) or warfarin ( N  = 15) were assessed with the Anti-Clot Treatment Scale (ACTS) and the Perceived Stress Scale (PSS). Results Patients were old (81 ± 9 years). NOA group showed greater psychological satisfaction, with lower therapy-related burden (ACTS burdens: 16.3 ± 4.5 vs. 32.9 ± 10.2, p  < 0.001) and higher awareness of benefits (ACTS benefits: 13.0 ± 1.3 vs. 10.8 ± 1.9, p  = 0.001). Even stress was lower (PSS: 13.1 ± 4.0 vs. 17.1 ± 4.2, p  = 0.013). The multivariate analysis confirmed these findings, showing that higher levels of anxiety and depression could justify more stress in warfarin patients. Conclusions The results of this preliminary study show that NOA have an improved psychological impact compared with warfarin in elderly patients.
Atrial fibrillation after electrical cardioversion in elderly patients: a role for arterial stiffness? Results from a preliminary study
Background and aims Atrial fibrillation (AF) is the most frequent arrhythmia of the elderly, and electrical cardioversion (ECV) is a common procedure, although incidence of recurrences remains high. We evaluated the possible association between arterial stiffness (AS) and the persistence or recurrence of AF in elderly patients after ECV. Methods We enrolled all subjects undergoing ECV over a 9-month period. AS was evaluated with the cardio-ankle vascular index (CAVI). Patients were then visited at follow-up (on average at 6 months). Results Thirty-one patients (age 78 ± 7 years; men 67.7 %; CHA 2 DS 2 -VASc 4.1 ± 1.6; AF length >2 months 51.6 %; CAVI 9.9 ± 1.6) underwent ECV. At follow-up, sinus rhythm was recorded in 16 (51.6 %) patients. At multivariate analysis, the presence of AF was directly associated with CHA 2 DS 2 -VASc score and CAVI. Amiodarone therapy reduced the risk of relapsed AF. Conclusions In elderly AF patients treated with ECV, AS at baseline seems to predict AF at follow-up.
Atrial fibrillation is a possible marker of frailty in hospitalized patients: results of the GIFA Study
Background and aims: Atrial fibrillation (AF) is the most common arrhythmia in elderly people, who are particularly exposed to its most severe complications, such as stroke, worsening heart failure and dementia. Some studies demonstrate that AF is associated with increased mortality in home-dwelling subjects, but little is known about the clinical impact of the arrhythmia in hospitalized patients. We studied the clinical associations and effects of AF on the 23,174 hospitalized patients enrolled in the GIFA (Gruppo Italiano di Farmacoepidemiologia nell’Anziano) Study. Methods: Patients were divided into three groups according to the absence or presence of AF (sinus rhythm, non_AF; AF as main diagnosis, AF_main; AF as comorbid condition, AF_associated) and stratified into four age-groups (≤60, 61–70, 71–80 and >80 yrs). Results: AF_associated patients were older, more frequently disabled, and characterized by greater comorbidity and longer in-hospital length of stay. Urea nitrogen concentration was higher, and total cholesterol was lower in AF_associated patients, compared with the other two groups. Overall mortality was 6.0%. Mortality was higher in AF_associated patients (non_AF: 6.0% vs AF_associated: 7.1% vs AF_main: 0%, p<0.001). Conclusions: Our results suggest that, in hospitalized patients, AF as a comorbid condition is associated with worse metabolic profile and clinical outcomes, and thus, may represent a marker of frailty.
From left bundle branch block to Icelandic whales: the multiple perils of atrial fibrillation management in the elderly
We present the case of an elderly woman which demonstrates how AF therapy in aged individuals is particularly challenging for the presence of complex conditions. The rhythm- or the rate control strategy must be carefully chosen based on individual risk profile. Oral anticoagulant therapy must be wisely managed to maximize benefits—in terms of stroke and dementia control—and to reduce complications.
Adiponectin, diabetes and ischemic heart failure: a challenging relationship
Background Several peptides, named adipokines, are produced by the adipose tissue. Among those, adiponectin (AD) is the most abundant. AD promotes peripheral insulin sensitivity, inhibits liver gluconeogenesis and displays anti-atherogenic and anti-inflammatory properties. Lower levels of AD are related to a higher risk of myocardial infarction and a worse prognosis in patients with coronary artery disease. However, despite a favorable clinical profile, AD increases in relation to worsening heart failure (HF); in this context, higher adiponectinemia is reliably related to poor prognosis. There is still little knowledge about how certain metabolic conditions, such as diabetes mellitus, modulate the relationship between AD and HF. We evaluated the level of adiponectin in patients with ischemic HF, with and without type 2 diabetes, to elucidate whether the metabolic syndrome was able to influence the relationship between AD and HF. Results We demonstrated that AD rises in patients with advanced HF, but to a lesser extent in diabetics than in non-diabetics. Diabetic patients with reduced systolic performance orchestrated a slower rise of AD which began only in face of overt HF. The different behavior of AD in the presence of diabetes was not entirely explained by differences in body mass index. In addition, NT-proBNP, the second strongest predictor of AD, did not differ significantly between diabetic and non-diabetic patients. These data indicate that some other mechanisms are involved in the regulation of AD in patients with type 2 diabetes and coronary artery disease. Conclusions AD rises across chronic heart failure stages but this phenomenon is less evident in type 2 diabetic patients. In the presence of diabetes, the progressive increase of AD in relation to the severity of LV dysfunction is hampered and becomes evident only in overt HF.
Relationship between cognitive function and 6-minute walking test in older outpatients with chronic heart failure
Background and aims: Cognitive decline and heart failure frequently coexist in the elderly. Although an epidemiologic association may partially explain this finding, cerebral hypoperfusion and cardioembolism have been advocated as pathophysiological links. The aim of the present study was to evaluate the relationship between mild cognitive decline and exercise capacity in older outpatients with chronic heart failure (CHF). Methods: We studied 80 elderly outpatients with stable CHF, mainly of ischemic etiology, assessing total exercise capacity with the 6-minute walking test (6MWT) and global cognitive function with the Mini Mental State Examination (MMSE). CHF severity, emotional status, comorbidity, disability and disease-specific quality of life were also determined at the time of enrolment. Results: A positive association was observed between the distance walked at 6MWT and MMSE score, even after adjusting for demographic parameters, indexes of CHF severity, comorbidities, level of disability, and quality of life. Conclusions: An easy and reliable measure of cardiovascular global performance is independently associated with cognitive function in older outpatients affected by CHF. In the context of global aging, this observation emphasizes the importance of a comprehensive assessment, encompassing a standard, brief and reliable cognitive evaluation, in elderly CHF outpatients.
Age, left atrial dimension and arterial stiffness after external cardioversion of atrial fibrillation. A vascular component in arrhythmia maintenance? Results from a preliminary study
Background and Aims Atrial fibrillation (AF) is the most frequent arrhythmia in elderly patients. Aims of this study were to evaluate the predictors of arterial stiffness after external cardioversion (ECV) of AF and to establish whether a link exists between vascular properties and left atrial diameter (LAD). Methods We studied 33 patients (age 73 ± 12 years). After 5 h from ECV of persistent AF, an echocardiogram was recorded and arterial stiffness was evaluated with cardio-ankle vascular stiffness index (CAVI). Results In multivariate analysis ( R  = 0.538, p  = 0.006), CAVI (mean 9.60 ± 1.63) increased with age ( p  = 0.018) and with an AF length ≤3 months ( p  = 0.022). LAD was significantly related to CAVI ( p  = 0.007) even after adjustment for interventricular septum thickness ( p  = 0.018) ( R  = 0.574, p  = 0.002). Conclusions In patients with AF, immediately after ECV, arterial stiffness is associated with age and AF length, and could represent an important factor for left atrium remodeling and, therefore, for AF maintenance.
Photoexposition discriminates Notch 1 expression in human cutaneous squamous cell carcinoma
The Notch signaling pathway may play opposing roles in cancer. It can be oncosuppressive or protumoral, depending on the cellular and tissue context. In skin cancer, Notch 1 expression is downregulated, thus supporting the hypothesis of an oncosuppressive role in cutaneous carcinomas. However, as members of the Notch family undergo downregulation upon exposure to UV irradiation, we wondered whether Notch 1 expression in skin carcinomas may be governed by additional factors, including UV exposure. We investigated the expression of Notch 1 and its ligands, Jagged 1, Jagged 2 and Delta-like 1, by immunohistochemistry in a series of premalignant and invasive cutaneous carcinomas, including 4 solar keratoses, 5 Bowen's disease, 5 squamous cell carcinomas on sun-exposed skin, 6 squamous cell carcinomas on sun-protected genital skin and 14 basal cell carcinomas of different histotypes (nodular, superficial type, sclerodermiform/infiltrating and baso-squamous). Expression of Notch 1 was decreased in solar keratoses and invasive squamous cell carcinomas localized on sun-exposed skin. In contrast, marked Notch 1 staining was observed in extragenital Bowen's disease as well as in genital (penile) human papilloma virus-related in situ and invasive squamous cell carcinomas. A diffuse Notch 1 staining was detected in nodular and superficial basal cell carcinomas while sclerodermiform/infiltrating and baso-squamous basal cell carcinomas showed a low to absent Notch 1 expression. Jagged 1, Jagged 2 and Delta-like 1 proteins were expressed in all tissues examined. Present findings show divergent expression of Notch 1 in skin cancer, depending on anatomical site and tumor histotype. Thus, whereas in UV-related squamous cell photocarcinogenesis Notch 1 downregulation could mirror a tumor suppressor function of the receptor, in sun-protected squamous cell carcinomas Notch 1 was upregulated. Furthermore, Notch 1 expression was minimal in basal cell carcinoma subtypes correlated with risk of recurrence (sclerodermiform/infiltrating and baso-squamous) in comparison with nodular and superficial types.
The complexity of risk stratification in older patient candidate to non-cardiac surgery
During the last decades the older patients who are candidates for surgery have grown esponentially due to the increase in life expectancy and the surgery technique improvement. Despite this, the mortality remains high and our ability to predict the surgery outcomes continues to be low in the elderly. The main reason is related to different difficulties; we are uble to differentiate properly the chronological from the biological age, and the current surgery and cardiology risk scores are poorly geriatric-oriented. We must underline how the measure of comorbidity during the preoperative evaluation is often limited to a simple count of comorbid conditions, without a more detailed assessment of their severity. On the other hand different comorbidity scores have been validated in geriatric populations showing a good correlation with prognosis, such as the Index of Coexisting Disease-ICED or the Geriatric Index of Comorbidity-GIC. Our predictive deficiency about the outcomes is linked to poor attention for identifying the frail patients that are already at high risk of disability. Recently, the evaluation of frailty is a key target for geriatric medicine, and geriatricians have developed various methods for measuring this parameter and suggesting the physical performance indexes as a reliable surrogate of frailty. Surrogate frailty measures, such as the €œgait speed€ or the €œShort Physical Performance Battery-SPPB€ seem to be the valid tools for evaluating older surgery patients due to their simplicity and short administration time. We think that the future challenge will be their widespread use in this specific clinical setting.
Epicardial adipose tissue and insulin resistance in patients with coronary artery disease with or without left ventricular dysfunction
Background. Epicardial adipose tissue (EAT) is a visceral fat that fulfills two important functions: lipid-storage and secretion of adipokines with pro-inflammatory and pro-atherogenic properties. It has been suggested that EAT may affect the pathogenesis of atherosclerosis and the clinical course of corory artery disease (CAD). In patients with obesity, diabetes and metabolic syndrome, the epicardial adipose tissue is enlarged. Little is known about the role of EAT in left ventricular dysfunction. Aim of this study was to evaluate the ability of insulin resistance to predict EAT thickness in patients with significant CAD and systolic dysfunction. Methods. We enrolled 114 subjects diagnosed with CAD by angiography. The majority underwent revascularization after an acute corory syndrome. Patients were considered affected by significant left ventricular dysfunction when EF was