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Transesophageal echocardiography

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https://www.readbyqxmd.com/read/28551291/periodontal-disease-associated-with-aortic-arch-atheroma-in-patients-with-stroke-or-transient-ischemic-attack
#1
Souvik Sen, Matthew Chung, Viktoriya Duda, Lauren Giamberardino, Alan Hinderliter, Steven Offenbacher
BACKGROUND: Periodontal disease (PD) is associated with recurrent vascular event in stroke or transient ischemic attack (TIA). In this study, we investigated whether PD is independently associated with aortic arch atheroma (AA). We also explored the relationship PD has with AA plaque thickness and other characteristics associated with atheroembolic risk among patients with stroke or TIA. Finally, we confirmed the association between AA and recurrent vascular event in patients with stroke or TIA...
May 24, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28549450/the-left-atrial-bacterial-vegetative-mass-due-to-corynebacterium-striatum-as-a-presentation-of-myxoma-a-case-report
#2
Jun Xu, Qing Yang, Jun Li, Xia Zheng
BACKGROUND: Corynebacterium striatum is a member of the non-diphtherial corynebacteria, which are ubiquitous in nature and generally colonize the skin and mucous membranes of humans. Rarely, it causes infective endocarditis (IE). We report a case of rare left atrial bacterial vegetative mass due to C. striatum masquerading as a myxoma identified through a tortuous diagnostic process, and present a brief review of the relevant literature. CASE PRESENTATION: We present a case of 63-year-old man who presented with progressively worsening dyspnea on exertion and lower leg edema, and was diagnosed with heart failure...
May 26, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28546529/the-safety-of-electrical-cardioversion-under-the-control-of-transesophageal-echocardiography-in-patients-with-atrial-fibrillation-and-inadequate-anticoagulation
#3
Joanna Zaprutko, Artur Baszko, Michał Michalak, Karol Kochman, Radosław Szymański, Jan Kłopocki, Anna Nowicka, Rafał Dankowski, Marek Michalski, Piotr Kałmucki, Andrzej Szyszka
INTRODUCTION    Restoring sinus rhythm in patients with atrial fibrillation (AF)/atrial flutter (AF) requires adequate oral anticoagulation (OAC) prior to direct current cardioversion (DCC). Some patients eligible for DCC are not properly anticoagulated. OBJECTIVES    Assessment of risk factors for thrombus and spontaneous echo contrast (SEC) in the left atrium (LA) as well as the safety profile of DCC under transesophageal echocardiography control (TEE) in patients with inadequate anticoagulation. PATIENTS AND METHODS    From the cohort of 316 patients admitted for DCC, 139 (age 63...
May 25, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/28544841/transcatheter-valve-in-valve-implantation-failing-tricuspid-bioprosthesis-in-a-patient-with-ebstein%C3%A2-s-anomaly
#4
Pedro A Villablanca, Aman M Shah, David F Briceno, Ali N Zaidi, Mei Chau, Mario J Garcia, David Slovut, Cynthia Taub
Transcatheter valve-in-valve (VIV) implantation has been recently proposed as an alternative to surgical reoperative aortic valve replacement in patients with a failing aortic bioprosthesis. Experience with transcatheter VIV implantation at other valve positions is very limited. Herein is reported the case of an 18-year-old man with Ebstein's anomaly and severe tricuspid valve (TV) regurgitation status after bioprosthetic valve replacement, who developed new dyspnea on exertion three years after the initial valve replacement...
January 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28544832/percutaneous-antegrade-trans-septal-closure-of-mitral-paravalvular-leak-without-creation-of-an-arteriovenous-wire-loop-in-patients-with-coexistent-mechanical-aortic-valve
#5
Teoman Kilic, Senol Coskun, Kurtulus Karauzum, Sadan Yavuz, Tayfun Sahin
BACKGROUND: Various approaches such as antegrade trans-septal, retrograde transfemoral and transapical techniques have been used to close mitral paravalvular leak (PVL) in patients with an aortic prosthesis. During the implementation of these techniques, an arteriovenous guidewire loop is often created for device delivery. However, passing through a mechanical aortic valve may cause hemodynamic compromise and prolong the procedure. To date, no studies have evaluated antegrade mitral PVL closure without the use of an arteriovenous wire loop in patients with a mechanical aortic prosthesis...
January 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28544830/assessment-of-contributors-of-aortopathy-and-subclinical-left-ventricular-dysfunction-in-normally-functioning-bicuspid-aortic-valves
#6
Kamil Tuluce, Selcen Yakar Tuluce, Ersin Cagri Simsek, Serdar Bayata, Cem Nazli
BACKGROUND: Left ventricular (LV) function and the dimensions of aortic valves from normally functioning bicuspid aortic valve (BAV) patients were compared with those of healthy control patients. A comparison between patients with antero-posterior BAV (BAV-AP) or right-left BAV (BAV-RL) was also performed, and the determinants of aortopathy and LV function were investigated. METHODS: Sixty-eight patients with aortic velocities <2 m/s and trivial or mild aortic regurgitation were included in the study...
January 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28543756/perventricular-device-closure-of-doubly-committed-sub-arterial-ventricular-septal-defects-via-a-left-infra-axillary-approach
#7
Sijie Zhou, Liyun Zhao, Taibing Fan, Bin Li, Weijie Liang, Haoju Dong, Shubo Song, Lin Liu
BACKGROUND: This study sought to evaluate the feasibility, safety, and efficacy of perventricular device closure of a doubly committed sub-arterial ventricular septal defect (dcVSD) through a left infra-axillary approach. METHOD: Forty-five patients, with a dcVSD of less than 8 mm in diameter, were enrolled in this study. The pericardium was exposed and opened through a left infra-axillary mini-incision. Two parallel purse-string sutures were placed on the right ventricle outflow tract and under transesophageal echocardiography guidance, a delivery sheath loaded with the device was inserted into the right ventricle and advanced through the defect into the left ventricle...
May 24, 2017: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/28543102/low-flow-low-gradient-aortic-stenosis-still-a-diagnostic-and-therapeutic-challenge
#8
REVIEW
Anja Vogelgesang, Gerd Hasenfuss, Claudius Jacobshagen
Aortic stenosis (AS) is the most frequently observed valvular heart disease. During the symptomatic stage, the rate of death increases dramatically, so that a precise diagnostic approach is taken to guide therapeutic options. Of patients with severe AS, 30% to 50% present with low-flow/low-gradient AS (LF/LGAS) status. This review focuses on LF/LGAS and the best diagnostic and therapeutic management in either classic LF/LGAS with reduced left ventricular ejection fraction (LVEF) or paradoxical LF/LGAS with preserved LVEF...
May 23, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28540078/use-of-multidetector-row-computed-tomography-scan-to-detect-pannus-formation-in-prosthetic-mechanical-aortic-valves
#9
REVIEW
Mohamed A Aladmawi, Claudio Pragliola, Olga Vriz, Domenico Galzerano
Obstruction of a mechanical aortic valve by pannus formation at the subvalvular level is a major long-term complication of aortic valve replacement (AVR). In fact, pannus is sometime difficult to differentiate from patient-prosthesis mismatch or valve thrombosis. In most cases cine-angiography and echocardiography, either transthoracic or transesophageal, cannot correctly visualize the complication when the leaflets show a normal mobility. Recent technological refinements made this difficult diagnosis possible by ECG-gated computed tomography (CT) scan which shows adequate images in 90% of the cases and can differentiate pannus from fresh and organized thrombus...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28540072/standard-imaging-techniques-in-transcatheter-aortic-valve-replacement
#10
REVIEW
Arash Salemi, Berhane M Worku
Transcatheter aortic valve replacement (TAVR) has become a widely accepted therapeutic option for patients with severe, symptomatic aortic stenosis at intermediate, high, or extreme risk for conventional surgery as determined through a heart team approach. Two valve prostheses are currently available and the Food and Drug Administration (FDA) approved in the United States for TAVR: the self-expandable Medtronic CoreValve (Medtronic, Inc., Minneapolis, MN, USA) and the balloon-expandable Edwards Sapien Valve (Edwards Lifesciences, Irvine CA, USA)...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28540070/an-update-on-intraoperative-three-dimensional-transesophageal-echocardiography
#11
REVIEW
Lisa Qia Rong
Transesophageal echocardiography (TEE) was first used routinely in the operating rooms in the 1980s to facilitate surgical decision-making. Since then, TEE has evolved from the standard two-dimensional (2D) exam to include focused real-time three-dimensional (RT-3D) imaging both inside and outside the operating rooms. Improved spatial and temporal resolution due to technological advances has expedited surgical interventions in diseased valves. 3D imaging has also emerged as a crucial adjunct in percutaneous interventions for structural heart disease...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28528161/functional-implication-of-mitral-annular-disjunction-in-mitral-valve-prolapse-a-quantitative-dynamic-3d-echocardiographic%C3%A2-study
#12
Alex Pui-Wai Lee, Chun-Na Jin, Yiting Fan, Randolph H L Wong, Malcolm J Underwood, Song Wan
OBJECTIVES: This study aimed to assess the hypothesis that mitral annular disjunction (MAD) is associated with abnormal annular dynamics due to decoupling of annular-ventricular function. BACKGROUND: MAD, defined as a separation between the atrial wall-mitral valve (MV) junction and left ventricular (LV) attachment, is a structural abnormality occurring in MV prolapse (MVP). Few data exist on the 3-dimensional (3D) geometry of MAD and its functional implication...
May 11, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28527865/mechanism-of-atrial-functional-mitral-regurgitation-in-patients-with-atrial-fibrillation-a-study-using-three-dimensional-transesophageal-echocardiography
#13
Kazato Ito, Yukio Abe, Yosuke Takahashi, Yoshihisa Shimada, Hitoshi Fukumoto, Yoshiki Matsumura, Takahiko Naruko, Toshihiko Shibata, Minoru Yoshiyama, Junichi Yoshikawa
BACKGROUND: Functional mitral regurgitation (MR) can occur in patients with atrial fibrillation (AF) despite having preserved left ventricular (LV) systolic function. This MR is known as atrial functional MR. The aim of this study was to clarify the mechanism of atrial functional MR using real-time three-dimensional transesophageal echocardiography (3DTEE). METHODS: Sixty patients underwent transthoracic echocardiography and 3DTEE: 16 patients with AF and significant non-organic MR and preserved LV ejection fraction (>50%) constituted the AF-MR group, 20 patients with AF and no significant MR formed the AF-NSMR group, and 24 normal subjects comprised the control group...
May 17, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28523177/systolic-anterior-motion-of-the-mitral-valve-the-mechanism-of-postural-hypotension-following-left-intrapericardial-pneumonectomy
#14
Javier D Lasala, January Tsai, Andrea Rodriguez-Restrepo, Scott Michael Atay, Boris Sepesi
Systolic anterior motion (SAM) is defined as displacement of the distal portion of the anterior leaflet of the mitral valve toward the left ventricular outflow tract obstruction. SAM can occur in patients without hypertrophic cardiomyopathy (HOCM) and is a well-recognized cause for unexplained sudden hypotension in perioperative settings. We present a case of persistent orthostatic hypotension caused by SAM following left intrapericardial pneumonectomy and mediastinal lymph node dissection for squamous cell carcinoma of the lung invading intrapericardial portion of the inferior pulmonary vein...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28517046/three-dimensional-proximal-flow-convergence-automatic-calculation-for-determining-mitral-valve-area-in-rheumatic-mitral-stenosis
#15
Francisco Sampaio, Ricardo Ladeiras-Lopes, João Almeida, Paulo Fonseca, Ricardo Fontes-Carvalho, José Ribeiro, Vasco Gama
PURPOSE: Management of patients with mitral stenosis (MS) depends heavily on the accurate quantification of mitral valve area (MVA) using echocardiography. All currently used two-dimensional (2D) methods have limitations. Estimation of MVA using the proximal isovelocity surface area (PISA) method with real time three-dimensional (3D) echocardiography may circumvent those limitations. We aimed to evaluate the accuracy of 3D direct measurement of PISA in the estimation of MVA. METHODS: Twenty-seven consecutive patients (median age of 63 years; 77...
May 18, 2017: Echocardiography
https://www.readbyqxmd.com/read/28517030/gerbode-defect-and-multivalvular-dysfunction-complex-complications-in-adult-congenital-heart-disease
#16
Catarina Ruivo, Joana Guardado, Fernando Montenegro Sá, Fátima Saraiva, Alexandre Antunes, Joana Correia, João Morais
We report a clinical case of a 40-year-old male with surgically corrected congenital heart disease (CHD) 10 years earlier: closure of ostium primum, mitral annuloplasty, and aortic valve and root surgery. The patient was admitted with acute heart failure. Transesophageal echocardiography (TEE) revealed a dysmorphic and severely incompetent aortic valve, a partial tear of the mitral valve cleft repair and annuloplasty ring dehiscence. A true left ventricular-to-right atrial shunt confirmed a direct Gerbode defect...
May 18, 2017: Echocardiography
https://www.readbyqxmd.com/read/28515755/common-origin-of-all-three-coronary-arteries-from-the-right-sinus-of-valsalva-first-case-study-accompanied-by-mitral-valve-prolapse-and-vein-anomaly-second-case-study-followed-by-successful-percutaneous-coronary-intervention-of-right-coronary-artery-stenosis
#17
Brygida Przywara-Chowaniec, Agata Puzio, Łukasz Czarnecki, Damian Kawecki, Jan Głowacki, Ewa Nowalany-Kozielska, Aleksandra Czarnecka
Congenital anomalies of the coronary arteries can be divided into two broad categories: those that alter myocardial perfusion and those that do not. In coronary anomalies not altering myocardial perfusion, the coronary arteries originate from the aorta, but their origins are in unusual positions. Although myocardial perfusion is normal, the angiographer may have trouble locating them. Patients with an anomalous left main coronary artery arising from the right sinus of Valsalva are presented. The diagnosis was made by coronary angiography, transesophageal echocardiography and multislice computed tomography (MSCT)...
March 2017: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/28515742/the-use-of-intraoperative-epiaortic-ultrasonography-in-monitoring-patients-over-75-years-old-treated-with-aortic-valve-replacement
#18
Tomasz Niklewski, Michał Zembala, Dariusz Puszczewicz, Paweł Nadziakiewicz, Wojciech Karolak, Marian Zembala
INTRODUCTION: Epiaortic ultrasound scanning (EAS) extended the use of ultrasound to the intraoperative diagnosis of aortic pathology. Surgical palpation of the ascending aorta underestimates the presence and severity of atherosclerotic plaques. Epiaortic ultrasound scanning has been used as an adjunct to transesophageal echocardiography (TEE) or as a primary direct diagnostic tool for imaging the ascending aorta as well as the aortic arch, which gained prominence as part of a multipronged intraoperative strategy to reduce atherosclerotic emboli...
March 2017: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/28512744/incremental-benefit-of-three-dimensional-transesophageal-echocardiography-in-the-assessment-of-left-main-coronary-artery-stent-protrusion
#19
Mohammed J Arisha, Ming C Hsiung, Amier Ahmad, Navin C Nanda, Ahmed Elkaryoni, Ahmed H Mohamed, Wei-Hsian Yin
Ostial lesions represent a challenging clinical scenario and percutaneous intervention (PCI) of left main coronary artery ostial lesions has been associated with postintervention complications, including protrusion of deployed stents into a sinus of Valsalva or aortic root. We report a case of stent protrusion into the aortic root following aorto-ostial left main coronary artery PCI, in which three-dimensional transesophageal echocardiography (3DTEE) provided incremental benefit over standard two-dimensional images...
May 16, 2017: Echocardiography
https://www.readbyqxmd.com/read/28512734/mitral-valve-aneurysms-clinical-characteristics-echocardiographic-abnormalities-and-possible-mechanisms-of-formation
#20
José Luiz B Pena, Tarciso O Bomfim, Paulo R L Fortes, Charles Simão-Filho, José de Souza Andrade-Filho
AIMS: Mitral valve aneurysms (MVA) are most frequently associated with endocarditis. Echocardiography is the method of choice for diagnosis, and color flow imaging is an important, easy method to detect MVA ruptures. We aimed to study the clinical and echocardiographic findings and their relation to the mechanism of aneurysm formation. METHODS AND RESULTS: We reviewed clinical and echocardiographic records of 18 patients during a 17-year period, corresponding to 0...
May 16, 2017: Echocardiography
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