A5061037605- Coronary Interventions and Diagnostics
- Cardiac Imaging and Diagnostics
- Cardiac Valve Diseases and Treatments
- Infective Endocarditis Diagnosis and Management
- Cardiovascular Function and Risk Factors
- Aortic Disease and Treatment Approaches
- Cardiovascular Health and Disease Prevention
- Cardiac and Coronary Surgery Techniques
- Cardiac, Anesthesia and Surgical Outcomes
- Ultrasound Imaging and Elastography
- Acute Myocardial Infarction Research
- Cardiovascular Disease and Adiposity
- COVID-19 Clinical Research Studies
- Cardiac Structural Anomalies and Repair
- Peripheral Artery Disease Management
- Cardiac pacing and defibrillation studies
- Cardiovascular Issues in Pregnancy
- Cerebrovascular and Carotid Artery Diseases
- Cardiac Arrhythmias and Treatments
- Mechanical Circulatory Support Devices
- Aortic aneurysm repair treatments
- Advanced X-ray and CT Imaging
- Healthcare during COVID-19 Pandemic
- Elasticity and Material Modeling
- Vascular Procedures and Complications
D’Or Institute for Research and Education
2024
Universidade Federal da Bahia
2019-2024
Hospital Ana Nery
2020-2024
Hospital São Rafael
2018-2023
Universidade de São Paulo
2013-2021
Complexo Hospitalar Universitário Professor Edgard Santos
2019-2021
Fundação de Amparo à Pesquisa e Inovação do Estado de Santa Catarina
2019
Hospital Sírio-Libanês
2015-2018
Hospital São Paulo
2018
Instituto do Coração
2014-2017
Abstract In this work we propose to validate the predictive capabilities of one-dimensional (1D) blood flow models with full three-dimensional (3D) in context patient-specific coronary hemodynamics hyperemic conditions. Such conditions mimic state circulation during acquisition Fractional Flow Reserve (FFR) index. Demonstrating that 1D accurately reproduce FFR estimates obtained 3D has implications approach computationally estimate FFR. To end, a sample 20 patients was employed from which 29...
Background Bioprosthetic mitral valve degeneration can be problematic as redo surgical replacement (Redo-SMVR) is associated with a high morbidity and mortality. Valve-in-valve transcatheter (TMVR) has emerged an alternative for high-risk patients, but comparative data lacking. Objectives We aimed to evaluate the outcomes of Redo-SMVR vs. TMVR, using either transapical (TA) or transseptal (TS) approach. Methods Results A total 415 patients (69% rheumatic) were included between January 2014...
Abstract Objectives To report clinical, angiographic characteristics, outcomes, and predictors of unsuccessful procedures in patients who underwent chronic total occlusion (CTO) percutaneous coronary interventions (PCI) Latin America. Background CTO PCI has been increasingly performed worldwide, but there is a lack information this region. Methods An international multicenter registry was developed to collect data on centers Patient, angiographic, procedural outcome were evaluated....
To evaluate the diagnostic performance of a novel computational algorithm based on three-dimensional intravascular ultrasound (IVUS) imaging in estimating fractional flow reserve (IVUSFR ), compared to gold-standard invasive measurements (FFRINVAS ).IVUS provides accurate anatomical evaluation lumen and vessel wall has been validated as useful tool guide percutaneous coronary intervention. However, IVUS poorly represents functional status (i.e., flow-related information) imaged...
Goal: Coronary intravascular ultrasound (IVUS) is a fundamental imaging technique for atherosclerotic plaque assessment. However, volume-based data retrieved from IVUS studies can be misleading due to the artifacts generated by cardiac motion, hindering diagnostic, and visualization of vessel condition. Then, we propose an image-based gating method that improves performance preexisting methods, delivering in appropriate time clinical practice. Methods: We fully automatic synergically...
<italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">Objective</i> : Intravascular ultrasound (IVUS) is a fundamental imaging technique for atherosclerotic plaque assessment, interventionist guidance, and, ultimately, as tissue characterization tool. The studies acquired by this present the spatial description of vessel during cardiac cycle. However, study frames are not properly sorted. As gating methods deal with phase classification frames,...
Abstract Objectives We aimed to explore angiographic patterns and in‐hospital outcomes of patients with concomitant coronavirus disease‐19 (COVID‐19) myocardial infarction (MI). Background Patients COVID‐19 may experience MI during the course viral infection. However, this association is currently poorly understood. Methods This a multicenter prospective study consecutive who underwent coronary angiography. Quantitative qualitative angiography were analyzed by two observers in an independent...
Background: The use of aortic counterpulsation therapy in advanced heart failure is controversial.Objectives: To evaluate the hemodynamic and metabolic effects intra-aortic balloon pump (IABP) its impact on 30-day mortality patients with failure.Methods: Historical prospective, unicentric study to all treated IABP betwen August/2008 July/2013, included an institutional registry named TBRIDGE (The Brazilian Registry Intra-aortic Decompensated -Global Evaluation).We analyzed changes oxygen...
Assessment of minimum lumen areas in intravascular ultrasound (IVUS) pullbacks is time-consuming and demands adequately trained personnel. In this work, we introduce a novel fully automated pipeline to segment the boundary IVUS datasets.First, an gating applied select end-diastolic frames bypass saw-tooth artefacts. Second, within machine learning (ML) environment, automatically using multi-frame (MF) convolutional neural network (MFCNN). Finally, use theory Gaussian processes (GPs) regress...
Resumo Fundamento Dados robustos sobre a curva de aprendizagem (LC) da substituição válvula aórtica transcateter (TAVR) são escassos nos países em desenvolvimento. Objetivo Avaliar LC TAVR no Brasil ao longo do tempo. Métodos Analisamos dados registro brasileiro 2008 2023. Pacientes cada centro foram numerados cronologicamente número sequencial caso (NSC). A foi realizada usando um spline cúbico restrito ajustado para o EuroSCORE-II e uso próteses nova geração. Ainda, os desfechos...
Atherosclerotic plaque rupture and erosion are the most important mechanisms underlying sudden growth, responsible for acute coronary syndromes even fatal cardiac events. Advances in understanding of culprit structure composition already reported literature, however, there is still much work to be done toward in-vivo visualization mechanical characterization assess stability, patient risk, diagnosis treatment prognosis. In this work, a methodology vessel wall tissues proposed based on...
Introdução: A dissecção espontânea de artéria coronária é causa rara síndrome coronariana aguda e, em mais 70% das vezes, o diagnóstico feito por meio necrópsia. O tratamento ideal ainda incerto, sendo a intervenção percutânea, cirurgia revascularização miocárdica e clínico as opções terapêuticas. objetivo deste trabalho foi avaliar características clínicas, evolução uma série casos coronária. Métodos: Estudo retrospectivo, unicêntrico, baseado análise banco dados um serviço alta...
Coronary three-dimensional reconstruction with the combination of intravascular ultrasound and angiography offers advantages over computed tomography coronary arteries. The authors aimed to present pilot phase validation a new model This study used examinations already performed by clinical indication in individuals known or suspected stable artery disease. Image processing, segmentation, were conducted following specific methodology. For geometrical characterization purposes, tridimensional...
Spontaneous coronary artery dissection is a rare cause of acute syndrome and its diagnosis made by necropsy in more than 70% the cases. Optimal treatment still uncertain, options are percutaneous intervention, bypass surgery medical therapy. The objective this study was to evaluate clinical characteristics, modalities outcome series cases with spontaneous dissection. Retrospective, single-center study, based on analysis database at high-complexity cardiology service. We identified 25...
Transcatheter aortic valve implantation (TAVI) has established itself as the preferential strategy to approach severe stenosis. Information on procedural improvements and nationwide results obtained with technique throughout past decade are unknown.
Abstract Background Transcatheter aortic valve implantation (TAVI) has established itself as the preferential strategy to approach severe stenosis. Information on procedural improvements and nationwide results obtained with technique throughout past decade are unknown. Objectives To assess temporal variation of demographic profile, characteristics, in-hospital outcomes patients undergoing TAVI procedures at Rede D’Or São Luiz. Methods Observational registry comprising 29 national...
Abstract Background Robust data on the learning curve (LC) of transcatheter aortic valve replacement (TAVR) are lacking in developing countries. Objective To assess TAVR’s LC Brazil over time. Methods We analyzed from Brazilian TAVR registry 2008 to 2023. Patients each center were numbered chronologically case sequence numbers (CSNs). was performed using restricted cubic splines adjusted for EuroSCORE-II and use new-generation prostheses. Also, in-hospital outcomes compared between groups...