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Echocardiography tridimensional

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https://www.readbyqxmd.com/read/26313723/mitral-annulus-morphologic-and-functional-analysis-using-real-time-tridimensional-echocardiography-in-patients-submitted-to-unsupported-mitral-valve-repair
#1
COMPARATIVE STUDY
Marco Antônio Vieira Guedes, Pablo Maria Alberto Pomerantzeff, Carlos Manuel de Almeida Brandão, Marcelo Luiz Campos Vieira, Flávio Tarasoutchi, Pablo da Cunha Spinola, Fábio Biscegli Jatene
INTRODUCTION: Mitral valve repair is the treatment of choice to correct mitral insufficiency, although the literature related to mitral valve annulus behavior after mitral repair without use of prosthetic rings is scarce. OBJECTIVE: To analyze mitral annulus morphology and function using real time tridimensional echocardiography in individuals submitted to mitral valve repair with Double Teflon technique. METHODS: Fourteen patients with mitral valve insufficiency secondary to mixomatous degeneration that were submitted to mitral valve repair with the Double Teflon technique were included...
July 2015: Revista Brasileira de Cirurgia Cardiovascular
https://www.readbyqxmd.com/read/25392139/assessing-systemic-arterial-hypertension-through-echocardiography-a-review-for-the-clinician
#2
REVIEW
Jamil Mattar Valente-Filho, Erlon Oliveira de Abreu-Silva
Hypertension is a major cardiovascular (CV) risk factor and elevated blood pressure poses a significant burden for the whole CV hemodynamics. Along the last decades different techniques and resources have been developed, including ultrasound´s M-mode and B-mode, spectral Doppler, tissue Doppler and color Doppler. Techniques from newer resources as speckle tracking, twist and tridimensional ultrasound are continuously being inserted in the echocardiography labs routine around the world. Many of the older and newer techniques interpretation have a subject component from the echocardiographer...
2014: Current Hypertension Reviews
https://www.readbyqxmd.com/read/24953201/-planimetric-measurement-of-the-regurgitant-orifice-area-using-tridimensional-transoesophageal-echocardiography-for-aortic-regurgitation-reproducibility-and-feasibility
#3
F-A Picard, P Garçon, A Chaudeurge, C Simion, R Cador
BACKGROUND: Aortic regurgitation is mainly evaluated by trans-thoracic echocardiography using multi-parametric qualitative and semi quantitative tools. All those parameters can fail to meet expectations, resulting in an imperfect diagnostic reliability and assessment of aortic regurgitation severity can be challenging. OBJECTIVES: We sought to evaluate feasibility and intra- and inter-observer reproducibility of aortic regurgitant orifice area measured by planimetry with tridimensional trans-esophageal echocardiography on patients with at least grade 2/4 aortic regurgitation...
November 2014: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/24028837/imaging-based-right-atrial-anatomy-by-computed-tomography-magnetic-resonance-imaging-and-three-dimensional-transoesophageal-echocardiography-correlations-with-anatomic-specimens
#4
REVIEW
Francesco Fulvio Faletra, Stefano Muzzarelli, Maria Cristina Dequarti, Romina Murzilli, Roberto Bellu, Siew Yen Ho
Nowadays computed tomography, cardiac magnetic resonance imaging, and tridimensional transoesophageal echocardiography provide anatomic images of right-atrial structures with an impressive richness of anatomical details. It is therefore surprising that these techniques are not routinely used as complementary tools in teaching anatomy. This review aims to fill this gap showing the normal anatomy of right atrium as displayed by these sophisticated imaging techniques. A better understanding of right-atrial anatomy is crucial for the treatment of primary right-atrium electrical disorders as well as for catheter-based interventions for structural heart disease...
December 2013: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/23996734/off-pump-transapical-closure-of-a-mitral-periprosthetic-leak-a-new-approach-to-a-difficult-problem
#5
Diego Felipe Gaia, João Roberto Breda, Claudio Henrique Fischer, José Honório Palma
A 60-year old male patient with multiple risk factors and two previous interventions over the mitral valve was admitted to the emergency unit with symptoms of cardiac failure. Initial examination revealed a competent mitral bioprosthesis with severe perivalvular mitral insufficiency. Based on previous experiences with transapical procedures, a transapical transcatheter closure of the perivalvular leak was performed. The apex was punctured with a 7 French introducer sheath, and a hydrophilic guidewire was advanced with the aid of a right Judkins catheter and positioned across the defect in the left atrium...
December 2013: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/23548420/-first-experience-of-the-study-intramyocardial-multiple-precision-administration-of-mononuclear-bone-marrow-cells-in-the-treatment-of-myocardial-ischemia
#6
(no author information available yet)
Study aim - to elucidate possibilities of the use of precision administration of mononuclear bone marrow cells (MBMC) for the treatment of myocardial ischemia and heart failure. "Intramyocardial Multiple Precision Administration of Mononuclear Bone Marrow Cells in the Treatment of Myocardial Ischemia" was a double blind randomized placebo controlled study in which we included patients more or equal 6 months after Q-wave myocardial infarction with systolic myocardial dysfunction (ejection fraction <35%), not requiring myocardial revascularization, receiving stable optimal medical therapy for more or equal 8 weeks, and with implanted cardioverter-defibrillator...
2013: Kardiologiia
https://www.readbyqxmd.com/read/22735652/-left-main-coronary-aneurysm-and-antiphospholipid-syndrome-survival-at-12-years-a-case-report-and-literature-review
#7
REVIEW
Claudia Patricia Paz Soldán-Patiño, Gustavo Rojas-Velasco, María Alexandra Arias-Mendoza, Edmundo Enríquez-Gómez, Aloha Meave-González, Amada Álvarez-Sangabriel, Mary Carmen Amigo, Jesús Vargas-Barrón, Carlos Rodolfo Martínez-Sánchez
Coronary artery aneurysms are a relatively infrequent finding with an incidence of 1% to 2% per year. Its cause can be atherosclerosis, congenital or due to other causes less common. Its initial manifestation can be myocardial infarction and sudden death as a result of rupture or distal embolization. The large coronary aneurysms, non-atherosclerotic, located in the common part of the left main coronary artery are exceptional. The diagnostic method of choice is the coronary angiography; however, non-invasive techniques such as transthoracic including tridimensional mode and transesophageal echocardiography, magnetic resonance imaging and computed tomography may have an important role in the detection and follow-up of these anomalies...
April 2012: Archivos de Cardiología de México
https://www.readbyqxmd.com/read/21340384/mitral-valve-repair-by-double-teflon-technique-cardiac-remodeling-analysis-by-tridimensional-echocardiography
#8
Marco Antonio Vieira Guedes, Pablo Maria Alberto Pomerantzeff, Carlos Manuel de Almeida Brandão, Marcelo Luiz Campos Vieira, Osanam Amorim Leite Filho, Marcos Floripes da Silva, Pablo da Cunha Spinola, Noedir Antonio Groppo Stolf
INTRODUCTION: Mitral valve repair is the treatment of choice to correct mitral insufficiency. Although the literature related to left atrial and ventricular behavior after mitral repair without use of prosthetic rings is scarce. OBJECTIVE: To analyze cardiac morphology and function using real time tridimensional echocardiography in individuals submitted to mitral valve repair with Double Teflon technique. METHODS: Were included 14 patients with mixomatous mitral valve insufficiency that were submitted to mitral valve repair with the Double Teflon technique...
October 2010: Revista Brasileira de Cirurgia Cardiovascular
https://www.readbyqxmd.com/read/18695441/sympathetic-tone-and-ventricular-tachycardia
#9
Giovanni Fazio, Giuseppina Novo, Loredana Sutera, Gabriele Di Gesaro, Marco Fazio, Luciana D'Angelo, Claudia Visconti, Daniela Vernuccio, Salvatore Pipitone, Salvatore Novo
BACKGROUND: The pathogenesis of idiopathic monomorphic ventricular tachycardia is not clear. We suppose that a lack of balance of the sympathetic system could be involved. Frequency domain analyses of the heart rate can be useful to understand autonomic system balance. Therefore we performed this evaluation on a sample of seven children affected by idiopathic monomorphic ventricular tachycardia. METHODS AND RESULTS: We performed a Holter recording for palpitations on all the children, with an average age of 12 (range: 7-18 years)...
September 2008: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/16680297/-real-time-tridimensional-echocardiography-in-a-patient-with-hypertrophic-cardiomyopathy
#10
Marcelo Luiz Campos Vieira, Prasad Maddukuri, Natesa G Pandian, Wilson Mathias, José A F Ramires
No abstract text is available yet for this article.
April 2006: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/15761651/-tridimensional-echocardiography-in-real-time-of-the-mitral-valve-in-patient-with-mitral-valve-stenosis-submitted-to-catheter-balloon-valvuloplasty
#11
Marcelo L C Vieira, José L Andrade, Wilson Mathias, Samira S Morhy, Luis F Cardoso, Luis J Kajita, José A F Ramires
No abstract text is available yet for this article.
February 2005: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/15216754/-indications-for-and-information-of-tridimensional-echocardiography
#12
REVIEW
Francisco Javier Roldán, Jesús Vargas Barrón
Three-dimensional echocardiography is becoming an important tool within the diagnostic arsenal in cardiovascular diseases. This study provides, in an easy way, a new dynamic and functional point of view of the anatomy of the heart and of the vascular tree. This review describes its principles, discusses its indications, and its place within clinical evaluations. Its capabilities. Advantages in relation with other imaging methods, its current situation and, of course, its own limitations are also commented.
January 2004: Archivos de Cardiología de México
https://www.readbyqxmd.com/read/12497790/-tridimensional-echocardiography
#13
REVIEW
S De Castro, D Cartoni, R Adorisio, S Beni, F Papetti, C Urani, L Vitali-Serdoz, F Fedele
No abstract text is available yet for this article.
December 1999: Cardiologia: Bollettino Della Società Italiana di Cardiologia
https://www.readbyqxmd.com/read/10367073/-surgical-evaluation-of-transthoracic-tridimensional-echocardiography-in-the-anatomic-study-of-atrial-septal-defect
#14
COMPARATIVE STUDY
L Bémurat, M Jimenez, R Roudaut, N Laborde, X Roques, J P Grimaud, A Choussat
The closure of atrial septal defects by interventional catheterisation requires an accurate assessment of their morphology and anatomical relationships. This study evaluated transthoracic three-dimensional echocardiography for the selection of atrial septal defects accessible to an occlusive prosthesis. The transthoracic three-dimensional echocardiographic measurements of 17 patients (4 to 55 years) with ostium secundum atrial septal defects were compared with those of the surgeon in a prospective study. The maximal diameters of the defect, the height of the interatrial septum, the distances to the superior vena cava (postero-superior border) and inferior vena cava (postero-inferior border), to the coronary sinus and the tricuspid valve were measured as a reconstruction of the interatrial septum seen from the right atrium...
May 1999: Archives des Maladies du Coeur et des Vaisseaux
https://www.readbyqxmd.com/read/9835266/tridimensional-mapping-guided-modification-of-the-sinus-node
#15
F Leonelli, M Richey, S Beheiry, K Rajkovich, A Natale
Radiofrequency (RF) catheter modification of the sinus node appears to be a promising therapeutic modality for the treatment of inappropriate sinus tachycardia. Modification, as opposed to total obliteration, of the atrial pacemaker requires precise localization of the sinus node. This has been successfully achieved with a multicatheter approach guided by intracardiac echocardiography. This article describes the first clinical use of a tridimensional nonfluoroscopic mapping system to guide successful RF modification of the sinus node in two cases of inappropriate sinus tachycardia...
November 1998: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/9749203/-anatomic-evaluation-of-ostium-secundum-atrial-septal-defects-by-tridimensional-echocardiography
#16
P Acar, J F Piéchaud, P Bonhoeffer, Y Aggoun, D Bonnet, L Iserin, D Sidi, J Kachaner
The decision to close an ostium secundum atrial septal defect by interventional catheterisation implies knowing its size, form and the relationship of its borders to neighbouring structures as accurately as possible. Three-dimensional echocardiography provides unique views of the interatrial septum and the authors set out to assess its performance. Ten patients, aged 8 to 20 years, included in a multicenter European clinical trial of closure of atrial septal defects with the CardioSEAL prostheses, were examined by transoesophageal echocardiography with three-dimensional reconstruction of the interatrial septum viewed from the left or right atrium...
May 1998: Archives des Maladies du Coeur et des Vaisseaux
https://www.readbyqxmd.com/read/9477726/-dynamic-tridimensional-echocardiography-and-evaluation-of-functional-alterations-in-acute-ischemia
#17
J Azevedo, M A García-Fernández, P Puerta, M Moreno, M Desco, J L Delcan
No abstract text is available yet for this article.
November 1997: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/9477725/-left-ventricular-mass-identified-with-tridimensional-echocardiography-and-myocardial-tissue-doppler
#18
J Azevedo, M A García-Fernández, P Puerta, M Moreno, M Desco, J L Delcan
No abstract text is available yet for this article.
November 1997: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/9011836/-tridimensional-echocardiography-general-principles-and-clinical-applications-with-special-reference-to-congenital-heart-diseases
#19
A Vitarelli
Methods of three-dimensional reconstruction of cardiac images and emerging clinical applications are described, with special reference to congenital heart disease. Compared to other techniques providing dynamic three-dimensional visualization of heart structures, echocardiography has advantages of better temporal resolution and minor cost. Current applications include assessment of volumes and global and regional ventricular performance, evaluation of time motion of valves and other dynamic processes together with color-flow images, and dissection of the heart into specific areas of interest, such as atrial septum, mitral inflow and aortic outflow...
November 1996: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/7835549/-dynamic-transthoracic-and-transesophageal-tridimensional-echocardiography-using-rotational-technique-a-new-perspective-in-echocardiography
#20
COMPARATIVE STUDY
A Salustri, J Roelandt, F Ten Cate, W Vletter
BACKGROUND: For many years, there has been a long-standing interest in developing three-dimensional echocardiography and several approaches have been followed. However, the main interest has been centered on reconstruction of left ventricular cavity. So far, dynamic three-dimensional representation of cardiac structures has been rather disappointing. OBJECTIVES: In this study, we describe the clinical application of dynamic three-dimensional echocardiography with a rotational imaging acquisition...
October 1994: Giornale Italiano di Cardiologia
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