Publications by authors named "Marco Vitolo"

Background: Diving is a diffused recreational activity, and the number of divers carrying cardiac implanted devices is similarly growing. Due to the lack of guidelines or technical indications, the suitability of such devices for diving or the fitness to dive for these patients still needs to be determined.

Objective: This work summarizes implantable cardiac devices' suitability for recreational diving, technical vulnerability factors, and recommendations to improve implanted divers' safety.

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Introduction And Objectives: Increased physical activity may improve outcomes in patients with atrial fibrillation (AF), but available data are limited. This study aimed to analyze the association between physical activity and major adverse outcomes in a large European AF cohort.

Methods: We used data from a prospective, observational, large-scale multicenter study of AF in European patients, involving 27 countries and 250 centers.

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Background: The role of female sex in stroke risk and oral anticoagulant (OAC) use in atrial fibrillation (AF) remains controversial. This study evaluates sex-specific differences in OAC prescription, residual risk of stroke/TIA and thromboembolism (STE), and the predictive performance of CHA₂DS₂-VASc vs. CHA₂DS₂-VA scores.

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Atrial fibrillation (AF) is the most prevalent cardiac arrhythmia, and it is associated with substantial morbidity, mortality, and economic burden. Effective management of AF remains a critical focus in contemporary medicine, given its complex and multifaceted nature. In the present paper, we provide the essential updates for everyday clinical practice from the 2024 European Society of Cardiology (ESC) guidelines for AF management.

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Background: Electrophysiology (EP) procedures, including cardiac implantable electronic devices (CIEDs) and ablations, are widely used to manage arrhythmias and heart failure. These interventions, though effective, require substantial resources, prompting the need for systematic economic evaluations to inform healthcare decision-making.

Methods: A systematic review of studies from 2007 to 2024 was conducted in two phases.

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Background: Chronic kidney disease (CKD) and atrial fibrillation (AF) often coexist, making accurate renal function estimation crucial, typically through equations calculating estimated glomerular filtration rate (eGFR) or creatinine clearance (CrCl).

Objective: To compare the concordance and predictive performance of different renal function estimation equations in a European cohort of AF patients.

Methods: We analyzed data from AF patients enrolled in a prospective observational European registry.

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Background: This study evaluates the association between left atrial and right atrial (LA, RA) parameters and a composite endpoint (CEP) of all-cause death, thromboembolism, acute coronary syndrome, and heart failure hospitalization in atrial fibrillation (AF) patients.

Material And Methods: Patients were prospectively enrolled. At baseline, the following echocardiogram parameters were measured: LA and RA antero-posterior diameter index (iLAAPD, iRAAPD), LA and RA volume index (LAVi, RAVi), LA and RA sphericity index (LASI, RASI), LA and RA emptying fraction.

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Background: Patients with atrial fibrillation (AF) show increasingly complex comorbidity profiles, with detrimental effects on prognosis.

Objective: The purpose of this study was to explore patterns of comorbidities in patients with AF.

Methods: From a European-wide prospective observational registry of AF patients, we performed a latent class analysis to identify patterns of comorbidities.

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Subclinical atrial fibrillation (AF) and atrial high-rate episodes (AHREs) are often detected incidentally through cardiac implantable electronic devices or wearables, especially in asymptomatic patients. These episodes pose a clinical challenge as they are associated with an increased risk of stroke, albeit at a lower rate compared with clinical AF. This review discusses the evolving understanding of AHRE, highlighting the uncertainties regarding optimal management, particularly the use of oral anticoagulants.

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Background: Heart failure (HF) often occurs in patients with atrial fibrillation (AF), with a major impact on prognosis. Few data are available on the effect of integrated treatment strategies to improve prognosis in patients with AF. We aimed to evaluate the association between HF (according to left ventricular ejection fraction [LVEF]), HF optimal medical therapy and adherence to the Atrial Fibrillation Better Care pathway, and major outcomes in patients with AF.

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Background: In patients with atrial fibrillation (AF), the impact of peripheral artery disease (PAD) on oral anticoagulant (OAC) therapy use and the risk of outcomes remains unclear.

Objective: To analyse the epidemiology of PAD in a large cohort of European and Asian AF patients, and the impact on treatment patterns and risks of adverse outcomes.

Methods: We analysed AF patients from two large prospective observational registries.

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Since 1995, the concept of atrial cardiomyopathy (ACM) has been associated with myocardial fibrosis. Despite a consensus document in 2016, ACM's definition primarily relies on histopathological findings. The focus on diagnostic criteria for ACM is driven by the potential link to thromboembolic events even independently on atrial fibrillation (AF).

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Article Synopsis
  • Traditional classifications of atrial fibrillation (AF) are evolving, now seen as a continuous variable instead of just paroxysmal, persistent, or permanent forms, highlighting the importance of AF burden, which measures the duration of AF episodes.
  • This review discusses how AF burden is measured, its effect on patient outcomes, and the need for personalized strategies that consider both AF burden and clinical scores like CHADS-VASc, although current studies call these approaches into question.
  • Continuous monitoring technologies have potential benefits for managing AF, but challenges remain in setting clinically relevant thresholds; future research should aim to refine these metrics and evaluate interventions to reduce AF burden for better patient care.
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  • The study investigates if using algorithms for right ventricular pacing modulation (RVPm) can lower negative health outcomes compared to traditional dual-chamber pacing (DDD) in patients needing anti-bradycardia treatments.
  • The analysis, which included eight studies and over 7,200 patients, revealed that RVPm was associated with a reduced risk of persistent atrial fibrillation and cardiovascular hospitalizations, but no significant impact on overall mortality or adverse symptoms was found.
  • Overall, RVPm algorithms appear beneficial in minimizing certain health risks, without increasing unwanted side effects, even for patients with higher levels of atrioventricular block.
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  • The study aimed to assess the effectiveness of two bleeding risk assessment scores—HAS-BLED and DOAC score—among patients with atrial fibrillation who are on direct oral anticoagulants (DOAC).
  • Analysis included 2834 patients, revealing that the DOAC score identified a significantly higher proportion of very low-risk patients compared to the HAS-BLED score.
  • However, both scoring systems showed only modest predictive abilities for major bleeding events, indicating no strong preference for using the DOAC score over HAS-BLED in this context.
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Dementia is a major neurologic syndrome characterized by severe cognitive decline, and it has a detrimental impact on overall physical health, leading to conditions such as frailty, changes in gait, and fall risk. Depending on whether symptoms occur before or after the age of 65, it can be classified as early-onset (EOD) or late-onset (LOD) dementia. The present study is aimed at investigating the role of cardiovascular factors on EOD and LOD risk in an Italian population.

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Background: The prognostic impact of functionally significant coronary artery disease, as assessed with quantitative flow ratio (QFR), in patients with severe aortic stenosis treated with transcatheter aortic valve replacement is unknown.

Methods: This is a retrospective study with blind analysis of angiographic data, enrolling consecutive patients with severe aortic stenosis treated with transcatheter aortic valve replacement at 4 Italian centers. None of the patients enrolled received pre-transcatheter aortic valve replacement or concomitant coronary revascularization, either for the absence of significant coronary stenoses or by clinical decision.

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Article Synopsis
  • Cardiac resynchronization therapy (CRT) emerged in the 2000s as an important treatment for heart failure patients with poor ejection fraction and wide QRS, but around one-third of patients do not respond well to it.
  • The review emphasizes that determining whether a patient is a CRT nonresponder is complex and should consider multiple factors rather than a single criterion.
  • New pacing techniques like His-bundle and left bundle branch area pacing offer promising alternatives to CRT, but more comprehensive studies are necessary to validate their effectiveness in treating heart failure with electromechanical dyssynchrony.
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The management of patients with atrial fibrillation (AF) requires intricate clinical decision-making to optimize outcomes. In everyday clinical practice, physicians undergo difficult choices to better manage patients with AF. They need to balance thromboembolic and bleeding risk to focus on patients' symptoms and to manage a variety of multiple comorbidities.

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Atrial fibrillation (AF) may be asymptomatic and the extensive monitoring capabilities of cardiac implantable electronic devices (CIEDs) revealed asymptomatic atrial tachi-arrhythmias of short duration (minutes-hours) occurring in patients with no prior history of AF and without AF detection at a conventional surface ECG. Both the terms "AHRE" (Atrial High-Rate Episodes) and subclinical AF were used in a series of prior studies, that evidenced the association with an increased risk of stroke. Two randomized controlled studies were planned in order to assess the risk-benefit profile of anticoagulation in patients with AHRE/subclinical AF: the NOAH and ARTESiA trials.

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Article Synopsis
  • Patients with atrial fibrillation (AF) undergoing transcatheter aortic valve implantation (TAVI) experience worse short-term outcomes, including higher rates of acute kidney injury and major bleeding compared to those in normal sinus rhythm.
  • The study analyzed TAVI patients from 2012 to 2022, focusing on short-term hospital outcomes and long-term effects at an average follow-up of 3.2 years.
  • Results showed that both preexisting and new-onset AF increased the risk of all-cause death and hospitalization after TAVI, indicating a significant link between AF and negative health outcomes in this patient group.
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