Publications by authors named "Caterina Cavazza"

Importance: Complete revascularization in older patients with myocardial infarction (MI) and multivessel disease has been shown to reduce cardiovascular death and MI at 1 year. However, the durability of this benefit over longer follow-up periods has been questioned by recent studies.

Objective: To determine whether the benefit of physiology-guided complete treatment, compared with culprit-only treatment, is sustained at 3 years in older patients with MI and multivessel disease.

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Objectives: We describe the endovascular management of multiple vessel-related complications in a case of transcatheter aortic valve replacement (TAVR) through surgical right transaxillary access.

Key Steps: We present the case of a TAVR performed through the right transaxillary approach and detail the treatment of an early subclavian dissection and a subacute subclavian pseudoaneurysm, successfully managed through endovascular interventions.

Potential Pitfalls: Significant subclavian disease can raise the questions whether to prepare the vessel before the procedure and whether to proceed sheathless with the valve delivery system or use a larger fixed introducer.

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Transcatheter aortic valve implantation (TAVI) has become the standard of care for elderly patients with aortic stenosis. International guidelines recommend that TAVI should be performed only in centers with on-site cardiac surgery (CS). However, rapidly evolving TAVI technology and increasing operator expertise have significantly reduced peri-procedural complications, including those requiring rescue surgery, which occur in less than 0.

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Background: Complete revascularization has been shown to be superior to culprit-only treatment in patients with ST-segment elevation myocardial infarction (STEMI) and multivessel disease. However, it remains unclear whether complete revascularization should be guided by coronary physiology or conventional angiography. Angiography-derived physiology may allow functional assessment and procedural guidance using angiograms from primary percutaneous coronary intervention (PCI), potentially maximizing the benefits of a physiology-guided approach.

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Background: Transcatheter aortic valve implantation (TAVI) has emerged as an effective and safe treatment for patients with symptomatic aortic stenosis. The indication to TAVI should be agreed upon by a Heart Team, and the procedure should be performed in centers with on-site cardiac surgery. However, TAVI complications requiring emergent cardiac surgery (ECS) have become very rare.

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Background: The effectiveness of complete revascularization is well established in patients with ST-segment elevation myocardial infarction (STEMI), but it is less investigated in those with non-ST-segment elevation myocardial infarction (NSTEMI).

Objectives: This study aimed to assess whether complete revascularization, compared with culprit-only revascularization, was associated with consistent outcomes in older patients with STEMI and NSTEMI.

Methods: In the FIRE (Functional Assessment in Elderly MI Patients with Multivessel Disease) trial, 1,445 older patients with myocardial infarction (MI) were randomized to culprit-only or physiology-guided complete revascularization, stratified by STEMI (n = 256 culprit-only vs n = 253 complete) and NSTEMI (n = 469 culprit-only vs n = 467 complete).

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Background: There is little data on the outcome of balloon aortic valvuloplasty (BAV) in relation to valve dimensions and calcification patterns. The procedure is not standardized, particularly the choice of balloon size.

Methods: This retrospective multicenter study focused on BAV efficacy and safety by analyzing the relationship between balloon size, annulus geometry (i.

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Background: The FIRE trial (Functional Assessment in Elderly Myocardial Infarction Patients With Multivessel Disease) enrolled 1445 older (aged ≥75 years) patients with myocardial infarction and multivessel disease in Italy, Spain, and Poland. Patients were randomized to physiology-guided complete revascularization or treatment of the only culprit lesion. Physiology-guided complete revascularization significantly reduced ischemic adverse events at 1 year.

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Background: The role of quantitative flow ratio (QFR) in the treatment of nonculprit vessels of patients with myocardial infarction (MI) is a topic of ongoing discussion.

Objectives: This study aimed to investigate the predictive capability of QFR for adverse events and its noninferiority compared to wire-based functional assessment in nonculprit vessels of MI patients.

Methods: The FIRE (Functional Assessment in Elderly MI Patients With Multivessel Disease) trial randomized 1,445 older MI patients to culprit-only (n = 725) or physiology-guided complete revascularization (n = 720).

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Aims: The present analysis from the Functional Assessment in Elderly Myocardial Infarction Patients with Multivessel Disease (FIRE) trial aims to explore the significance of pre-admission physical activity and assess whether the benefits of physiology-guided complete revascularization apply consistently to sedentary and active older patients.

Methods And Results: Patients aged 75 years or more with myocardial infarction (MI) and multivessel disease were randomized to receive physiology-guided complete revascularization or culprit-only strategy. The primary outcome was a composite of death, MI, stroke, or any revascularization within a year.

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Article Synopsis
  • The study aimed to evaluate the safety and feasibility of mini-invasive radial balloon aortic valvuloplasty (BAV), along with its effects on quality of life and frailty in patients undergoing transcatheter aortic valve implantation (TAVI).
  • A total of 330 patients were included, with BAV performed successfully in 314, showing no major bleeding and a minor bleeding rate of 1.8%; both quality of life and frailty improved noticeably after 30 days.
  • The findings indicated that patients who improved their frailty status had better long-term survival rates after TAVI, while those with persistent frailty had significantly worse outcomes.
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Background: Patients with failed bioprostheses are an increasing population at high risk for redo surgery. Valve-in-valve transcatheter aortic valve implantation is a promising alternative but a limited number of first-generation devices have proven efficacy in all cases.

Methods: Patients with degenerated bioprostheses at high risk for redo surgery were included in the registry after being assigned to valve-in-valve intervention by a local heart team.

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Aims: The aim of this study was to provide a real-world snapshot of contemporary Heart Team decision making on patients with aortic stenosis (AS) and the consequent short-term clinical outcome.

Methods And Results: This was an international multicentre prospective registry encompassing 390 patients with symptomatic severe AS who were prospectively enrolled. Clinical endpoints and the decisive arguments to opt for surgical or transcatheter aortic valve replacement, or medical therapy were recorded separately.

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Aims: Transcatheter aortic valve-in-valve implantation is an emerging alternative to conventional surgical aortic valve replacement (SAVR) in patients with degenerated aortic bioprostheses. This procedure presents a high risk of coronary occlusion, especially during treatment of patients implanted with a bioprosthesis with a lower distance between the leaflets and the coronary ostia, such as the Mitroflow valve (Sorin S.p.

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Objectives: This study sought to assess device-specific outcomes after implantation of bare-metal stents (BMS), zotarolimus-eluting Endeavor Sprint stents (ZES-S), paclitaxel-eluting stents (PES), or everolimus-eluting stents (EES) (Medtronic Cardiovascular, Santa Rosa, California) in all-comer patients undergoing percutaneous coronary intervention.

Background: Few studies have directly compared second-generation drug-eluting stents with each other or with BMS.

Methods: We randomized 2,013 patients to BMS, ZES-S, PES, or EES implantation.

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Background: The role of intraaortic balloon pump (IABP) during percutaneous coronary intervention (PCI) in high-risk acute patients remains debated. Device-related complications and the more complex patient management could explain such lack of clinical benefit. We aimed to assess the impact of transradial versus transfemoral access for PCI requiring IABP support on vascular complications and clinical outcome.

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Background: The optimal duration of dual-antiplatelet therapy and the risk-benefit ratio for long-term dual-antiplatelet therapy after coronary stenting remain poorly defined. We evaluated the impact of up to 6 versus 24 months of dual-antiplatelet therapy in a broad all-comers patient population receiving a balanced proportion of Food and Drug Administration-approved drug-eluting or bare-metal stents.

Methods And Results: We randomly assigned 2013 patients to receive bare-metal, zotarolimus-eluting, paclitaxel-eluting, or everolimus-eluting stent implantation.

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To test the role of necrosis, ischemia or both in bone marrow cells (BMC) mobilization in patients with cardiovascular disease. We studied three groups of patients: group 1, Iatrogenic Necrosis, with pure necrosis (28 patients undergoing transcatheter radiofrequency ablation); group 2, Ischemic Necrosis (30 patients with myocardial infarction); group 3, Pure Ischemia (24 patients with unstable angina). As control groups, we studied 27 patients with stable coronary artery disease (CAD), and 20 patients without CAD undergoing angiography for valvular diseases or cardiomiopathy.

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Background: The optimal duration of clopidogrel therapy after coronary stenting is debated because of the scarcity of randomized controlled trials and inconsistencies arising from registry data. Although prolonged clopidogrel therapy after bare metal stenting is regarded as an effective secondary prevention measure, the safety profile of drug-eluting stents itself has been questioned in patients not receiving ≥ 12 months of dual-antiplatelet therapy.

Hypothesis: Twenty-four months of clopidogrel therapy after coronary stenting reduces the composite of death, myocardial infarction, or stroke compared with 6 months of treatment.

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Antiplatelet therapy is the cornerstone of treatment for patients with acute coronary syndromes and/or undergoing percutaneous coronary interventions (PCI). Clopidogrel, a thienopyridine antiplatelet agent, has been used to prevent vascular complication in atherothrombotic patients, to prevent stent thrombosis in patients undergoing PCI, and in long term prevention of cardiovascular and cerebrovascular events. More than 40 million patients in the world receive clopidogrel but unfortunately about 20% of these are either non or poor responders.

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Remodeling myocytes show a typical switch between the embryonic and classical features of apoptosis and/or hypertrophy representing a signal of death (ie, apoptosis) and a signal of life (ie, hypertrophy). The adult myocyte, however, is a terminal cell; usually it is unable to reproduce and death is not genetically programmed (apoptosis), but occurs by necrosis. The reinstatement of apoptosis and development of hypertrophy during remodeling could be part of the switch forward to the embryonic phenotype with reinstatement of the early embryonic genetic program.

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