BRENO DE ALENCAR ARARIPE FALCAO

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  • article 3 Citação(ões) na Scopus
    Remoção Precoce do Introdutor Arterial Após Intervenção Coronária Percutânea por Via Femoral: Estudo de Segurança e Eficácia
    (2014) ZAGO, Gabriel; TRENTIN, Fabio; PRADO JR., Guy F. A.; SPADARO, Andre Gasparini; SILVA, Expedito Eustáquio Ribeiro da; CAMPOS, Carlos Magalhães; PERIN, Marco Antonio; FALCÃO, Breno de Alencar Araripe; ESTEVES-FILHO, Antonio; KAJITA, Luiz Junya; GAMA, Marcus Nogueira da; MARCHIORI, Gilberto; HORTA, Pedro Eduardo; TAKIMURA, Celso Kiyochi; MARIANI JR., Jose; GALON, Micheli Zanotti; SOARES, Paulo Rogerio; ZALC, Silvio; KALIL-FILHO, Roberto; LEMOS NETO, Pedro Alves
    Introduction: We evaluated the safety and efficacy of protamine administration, guided by activated clotting time, for the immediate femoral arterial sheath removal in patients undergoing percutaneous coronary intervention with unfractionated heparin in order to propose an algorithm for clinical practice. Methods: Prospective study with consecutive patients with stable angina or low-to-moderate risk acute coronary syndrome. We compared patients with an early removal of the arterial sheath to those whose sheath removal was based on a standard protocol. Results: The early removal group (n = 149) had lower access manipulation time than the conventional group (58.3 ± 21.4 minutes vs. 355.0 ± 62.9 minutes; p < 0.01), mainly due to a reduced time to sheath removal (42.3 ± 21.1 minutes vs. 338.6 ± 61.5 minutes; p < 0.01), with no impact on the duration of femoral compression (16.0 ± 3.6 minutes vs. 16.4 ± 5.1 minutes; p = 0.49). There was no stent thrombosis during hospitalization and no significant differences in the incidence of major vascular or bleeding events. The incidence of other bleeding events leading to a prolonged in-hospital length of stay was lower in the early removal group (1.3% vs. 5.1%; p = 0.05). Conclusions: The selective use of an approach for immediate femoral sheath removal, based on activated clotting time guidance and protamine administration, is a safe and effective option in patients undergoing percutaneous coronary intervention by femoral access.
  • conferenceObject
    Quantifying Total Atherosclerotic Burden Non-Invasively Through Coronary Computed Tomography Angiography: A Comparison With Multivessel Intravascular Ultrasound Data
    (2014) SILVA, Rafael C.; LIMA, Thais P.; FALCAO, Breno A.; MORAIS, Gustavo R.; SPADARO, Andre G.; MARIANI, Jose; RIBEIRO, Expedito E.; KALIL, Roberto; ROCHITTE, Carlos E.; LEMOS, Pedro A.
  • conferenceObject
    Quantifying Total Atherosclerotic Burden Non-Invasively Through Coronary Computed Tomography Angiography: A Comparison With Multivessel Intravascular Ultrasound Data
    (2014) SILVA, Rafael C.; FALCAO, Breno A.; LIMA, Thais P.; MORAIS, Gustavo R.; ROCHITTE, Carlos E.; SPADARO, Andre G.; MARIANI JR., Jose; RIBEIRO, Expedito; KALIL-FILHO, Roberto; LEMOS, Pedro A.
  • conferenceObject
    Necrotic Tissue Distribution Analysis: Preliminary Investigation for Reducing Necrosis Overestimation in Intravascular Ultrasound Virtual Histology Images
    (2014) SALESL, Fernando J. R.; FALCAO, Breno A. A.; FALCAO, Joao L. A. A.; FURUIE, Sergio S.; LEMOS, Pedro A.
    Background: The intravascular ultrasound (lVUS) Virtual Histology (VH) classifies the atherosclerotic plaque components, according to four classes-fibrous (FT), fibrofatty (FF), dense calcium (DC), and necrotic tissue (NC). Past works have proven a possible overestimation of necrotic content in VH images, particularly when NC is confluent to DC Additionally, NC has been used as a severity marker for atherosclerotic plaque. Aiming to observe a possible correction rule for overestimation problem, an experiment was designed Eight patients have been submitted to stent implantation (PCI). VH examinations have been performed before (PRE) and after (POS) PCl, totalizing more than 300 frames. NC content was divided into two classes: RW and RP, which corresponds, respectively, to NC confluent to DC and not confluent. Grayscale lVUS images were processed to extract normalized intensity histograms according to NC classification. Differences between intensity distributions RW and RP necrotic tissue were found, which may be useful to be considered to minimize overestimation of necrosis in VH images. These preliminary results encourage further investigation with larger sample sizes for proposing correction-imaging methods.
  • conferenceObject
    A New Thin-Strut, Low-Dose, Sirolimus-Eluting Stent With Abluminal-Only Biodegradable Polymeric Coating: Safety and Efficacy Clinical Performance of the Inspiron (TM) Stent in High-Risk Patients
    (2014) PRADO JR., Guy F. A.; MELO, Pedro Henrique Craveiro; TAKIMURA, Celso; ALVES, Gustavo M.; GUIMARAES, Welingson V.; MARIANI JR., Jose; KAJITA, Luiz J.; CAMPOS, Carlos M.; FALCAO, Breno A.; GAMA, Marcus N.; MARCHIORI, Gilberto; ESTEVES-FILHO, Antonio; HORTA, Pedro E.; GALON, Micheli Z.; SPADARO, Andre G.; ZALC, Silvio; SOARES, Paulo R.; PERIN, Marco A.; RIBEIRO, Expedito; KALIL-FILHO, Roberto; LEMOS, Pedro A.