Publications by authors named "Eduardo Flores-Umanzor"

Background: Impact of sex-related differences on clinical outcomes after tricuspid transcatheter edge-to-edge repair (T-TEER) for severe tricuspid regurgitation (TR) remains underexplored.

Methods: This sub-analysis of the Transcatheter Tricuspid Valve Repair in Spain (Tri-SPA) registry includes patients who underwent T-TEER for severe TR between June 2020 and May 2023 in Spain. Outcomes were compared by sex.

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Percutaneous balloon mitral valvuloplasty (PBMV) is an option for rheumatic mitral stenosis when no significant regurgitation is present and the anatomy appropriate (low Wilkins score). Most procedures use fluoroscopic or transthoracic echocardiography guidance but use of 3D guiding with transesophageal echocardiography (TEE) can have several advantages. We present a case of mitral rheumatic stenosis treated with PBMV with Inoue balloon using the novel 3D mini TEE probe.

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Background: Sex differences in congenital heart disease are known to effect outcomes, however, there is limited data on its role in atrial septal defect (ASD) closure.

Aims: We aimed to investigate sex differences in baseline characteristics, procedural and long-term outcomes of patients who underwent transcatheter ASD closure.

Methods: This single-center, retrospective cohort study enrolled adult patients undergoing ASD closure between 2005 and 2016 at the Toronto General Hospital, Canada.

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Background: Patent foramen ovale (PFO) is a defect in the intra-atrial septum that occurs when the foramen ovale does not close postnatally. Chronic obstructive pulmonary disease (COPD) is a respiratory condition that causes airflow obstruction.

Objective: This systematic review aimed to consolidate current evidence on the association between PFO and COPD outcomes.

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Coronary microvascular dysfunction (CMD) contributes to persistent angina/anginal equivalent symptoms and is associated with adverse outcomes. Coronary sinus reduction (CSR) is a device-based therapy with the potential to improve outcomes by reducing symptom burden and improving coronary flow reserve. A patient with CMD underwent CSR with the next-generation A-Flux device.

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Introduction And Objectives: This study aimed to assess the effectiveness and clinical outcomes of tricuspid transcatheter edge-to-edge repair (T-TEER) in patients with cardiac implantable electronic devices (CIEDs).

Methods: This subanalysis of the Transcatheter Tricuspid Valve Repair in Spain (TRI-SPA) registry included patients with at least severe tricuspid regurgitation (TR) who were treated with T-TEER between June 2020 and May 2023 in Spain. Patients with CIEDs and no or mild tricuspid lead-leaflet interaction were compared with those without CIEDs.

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Advances in imaging diagnostics, surgical techniques and transcatheter interventions for paediatric patients with severe congenital heart disease (CHD) have substantially reduced mortality, thereby extending the lifespan of these individuals and increasing the number of adults with complex CHD. Transcatheter interventions have emerged as an alternative to traditional open-heart surgery to mitigate congenital defects. The evolution of techniques, the introduction of new devices and the growing experience of operators have enabled the treatment of patients with progressively more complex conditions.

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Objectives: Patent foramen ovale (PFO) closure is recommended for patients who experience a cryptogenic stroke attributable to PFO. Although few randomized control trials (RCTs) have captured long-term effectiveness of PFO closure, observational data has been abundant. This is the first systematic review of observational studies determining incidence of long-term adverse outcomes in adults who underwent transcatheter PFO closure, with comparisons to findings from RCTs.

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Introduction And Objectives: The optimal antithrombotic therapy (AT) after left atrial appendage closure (LAAC) is debated. We assessed the impact of intensive vs nonintensive AT on the incidence of device-related thrombus (DRT) based on whether the device implantation was classified as optimal or suboptimal.

Methods: This study included patients who underwent successful LAAC in 9 centers.

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The Fontan circuit is associated with chronically elevated systemic venous pressures and decreased cardiac output, often leading to circuit failure. Managing Fontan circuit failure is complex and requires multiple therapeutic options. Transcatheter interventions have emerged as a reliable approach.

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Article Synopsis
  • * It included 783 patients, where women's outcomes were compared to men's, revealing no significant differences in stroke recurrence, survival, or new-onset atrial fibrillation over a median follow-up of 14 years.
  • * While men had higher rates of pacemaker implantation, the overall results indicate that both sexes benefit similarly from the procedure, highlighting the need for more sex-specific outcome reporting in future research.
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Background: The Valve Academic Research Consortium for High Bleeding Risk (VARC-HBR) has recently introduced a consensus document that outlines risk factors to identify high bleeding risk in patients undergoing transcatheter aortic valve replacement. The objective of the present study was to evaluate the prevalence and predictive value of the VARC-HBR definition in a contemporary, large-scale transcatheter aortic valve replacement population.

Methods: Multicenter study including 10 449 patients undergoing transcatheter aortic valve replacement.

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Article Synopsis
  • The study aimed to determine the effectiveness and safety of low-dose direct oral anticoagulation (DOAC) compared to dual antiplatelet therapy (DAPT) in patients who underwent left atrial appendage occlusion (LAAO) for three months post-procedure.
  • Conducted across three European sites, the ADALA trial faced challenges with participant recruitment due to the COVID-19 pandemic and was halted prematurely, involving only 90 patients.
  • The main outcomes assessed included the rates of major bleeding and thromboembolic events, with the study analyzing patients who had a history of bleeding and various health profiles.
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Article Synopsis
  • Device-related thrombosis (DRT) occurs frequently after left atrial appendage closure (LAAC), with notable differences in diagnosis timing and outcomes between men and women.
  • Women make up 34.7% of DRT patients in the study and tend to be older and have fewer comorbidities compared to men, but DRT in women is diagnosed significantly later.
  • Both genders have similar treatment outcomes and overall mortality rates, indicating that treatment strategies are equally effective regardless of sex.
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Article Synopsis
  • * Fixing PVL in TAVI patients is harder than in those with traditional heart surgery.
  • * Using a special method called the arterial-arterial (A-A) rail technique helps doctors close PVL successfully by making it easier to use smaller tools.
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  • Tetralogy of Fallot (TOF) is a common congenital heart defect that causes low oxygen levels and can be treated with palliative procedures to improve oxygen saturation.
  • This review explores various catheter-based interventions suitable for different age groups, focusing on palliative treatments such as duct stenting and valvuloplasty for children.
  • It also discusses options for transcatheter pulmonary valve replacement in adults who have had surgical repairs for TOF, particularly for those with enlarged right ventricular outflow tracts.
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Article Synopsis
  • * Both patients were symptomatic due to tricuspid stenosis and successfully underwent transcatheter balloon valvuloplasty, leading to positive clinical outcomes.
  • * The literature review suggests that balloon valvuloplasty is a viable first-line treatment option, particularly when surgery poses significant risks, and can serve as a temporary solution or as a permanent therapy.
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  • Chronic kidney disease (CKD) increases the risk of embolic stroke, complicating anticoagulation therapy; left atrial appendage occlusion (LAAO) is being explored as a safer alternative for these patients.
  • A systematic review of 15 studies (77,780 patients) found that CKD patients were older with more comorbidities, and while LAAO presented similar procedural risks to non-CKD patients, they faced higher rates of in-hospital acute kidney injury, bleeding, and mortality.
  • Despite the elevated risks, LAAO appears to effectively prevent cardioembolic events in patients with CKD, though the adverse outcomes can be linked to the overall
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Article Synopsis
  • This study investigates device-related thrombus (DRT) occurrences after left atrial appendage closure (LAAC), focusing on how often it persists or recurs.
  • It found that about 29% of DRT cases persist, with being female and having a larger initial thrombus size being significant predictors.
  • Unfavorable DRT evolution is linked to a higher rate of thromboembolic events, emphasizing the importance of monitoring thrombus size post-LAAC.
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