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functional mitral regurgitation

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https://www.readbyqxmd.com/read/28528161/functional-implication-of-mitral-annular-disjunction-in-mitral-valve-prolapse-a-quantitative-dynamic-3d-echocardiographic%C3%A2-study
#1
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/28527962/resolution-of-mitral-regurgitation-with-left-ventricular-assist-device-support
#2
Matthew Goodwin, Hassan W Nemeh, Jamil Borgi, Gaetano Paone, Jeffrey A Morgan
BACKGROUND: Cardiac valve disease is common in patients with end-stage heart failure undergoing left ventricular assist device implantation (LVAD). The aim of this study was to determine if preoperative mitral regurgitation (MR) affects outcomes and hemodynamics in patients after LVAD implantation. METHODS: From March 2006 through May 2015, 238 consecutive patients underwent LVAD implantation. Patient cohorts included less than moderate to severe MR (< moderate-severe, n = 195) and greater than or equal to moderate to severe MR (≥ moderate-severe, n = 43)...
May 17, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28527865/mechanism-of-atrial-functional-mitral-regurgitation-in-patients-with-atrial-fibrillation-a-study-using-three-dimensional-transesophageal-echocardiography
#3
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/28521809/role-of-mitral-valve-repair-in-active-infective-endocarditis-long-term-results
#4
Carlo Rostagno, Enrico Carone, Pier Luigi Stefàno
BACKGROUND: Although mitral valve repair is at present the technique of choice in mitral regurgitation (MR) due to degenerative valve disease, long term results in patients with active mitral infective endocarditis (IE) are still under evaluation. METHODS: In the study were included 34 consecutive patients (22 males; mean age, 60 years; range 32-84 years) referred to our institution between January 1, 2005 to December 31, 2011 who were treated with valve repair for mitral valve (MV) active infective endocarditis...
May 18, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28515127/a-retrospective-analysis-of-mitral-valve-pathology-in-the-setting-of-bicuspid-aortic-valves
#5
Annari van Rensburg, Philip Herbst, Anton Doubell
The therapeutic implications of bicuspid aortic valve associations have come under scrutiny in the transcatheter aortic valve implantation era. We evaluate the spectrum of mitral valve disease in patients with bicuspid aortic valves to determine the need for closer echocardiographic scrutiny/follow-up of the mitral valve. A retrospective analysis of echocardiograms done at a referral hospital over five years was conducted in patients with bicuspid aortic valves with special attention to congenital abnormalities of the mitral valve...
May 17, 2017: Echo Research and Practice
https://www.readbyqxmd.com/read/28513114/when-cardioversion-may-be-complicated
#6
Marina Leitman, Vladimir Tyomkin, Eli Peleg, Therese Fuchs, Ziad Gabara, Zvi Vered
BACKGROUND: In recent years cardioversion of atrial fibrillation has become a routine procedure, enabling symptomatic functional improvement in most cases. However, some patients develop complications after cardioversion. Identifying these individuals is an important step toward improving patient outcome. OBJECTIVES: To characterize those patients who may not benefit from cardioversion or who may develop complications following cardioversion. METHODS: We retrospectively analyzed 186 episodes of cardioversion in 163 patients with atrial fibrillation who were admitted to our cardiology department between 2008 and 2013 based on their clinical and echocardiographic data...
May 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28506938/dynamic-transcatheter-mitral-valve-repair-a-new-concept-to-treat-functional-mitral-regurgitation-using-an-adjustable-spacer
#7
Miriam Silaschi, Niki Nicou, Mehdi Eskandari, Omar Aldalati, Christopher Seguin, Thomas Piemonte, Theresa McDonagh, Rafal Dworakowski, Jonathan Byrne, Philip MacCarthy, Mark Monaghan, Olaf Wendler
We report about the first-in-man implantation of the Mitra-SpacerTM (Cardiosolutions Inc., West Bridgewater, MA/USA). It was implanted transapically. FMR was reduced to moderate degree. At two-months, while in NYHA II, LVEF had improved, but FMR increased and 2mL was added, reducing FMR to mild degree. Despite anticoagulation, thrombi developed around the device and the valve was replaced at eight-months. The Mitra-SpacerTM successfully bridged this patient to surgery after LVEF had recovered.
May 16, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28501918/exercise-stress-echocardiography-in-hypertrophic-cardiomyopathy
#8
Kengo Suzuki, Yoshihiro J Akashi
In this review, we make a comprehensive summary of exercise stress echocardiography in hypertrophic cardiomyopathy (HCM) and practical tips used in our hospital. The main objective of performing exercise stress echocardiography in patients with HCM is to evaluate left ventricular outflow tract obstruction, mitral regurgitation, left ventricular asynergy, and diastolic function during exercise. There are limitations to the explanations that can be provided for exertional symptoms when resting echocardiography is performed in patients with HCM...
May 13, 2017: Journal of Echocardiography
https://www.readbyqxmd.com/read/28499671/tricuspid-annuloplasty-versus-a-conservative-approach-in-patients-with-functional-tricuspid-regurgitation-undergoing-left-sided-heart-valve-surgery-a-study-level-meta-analysis
#9
Matteo Pagnesi, Claudio Montalto, Antonio Mangieri, Eustachio Agricola, Rishi Puri, Mauro Chiarito, Marco B Ancona, Damiano Regazzoli, Luca Testa, Michele De Bonis, Neil E Moat, Josep Rodés-Cabau, Antonio Colombo, Azeem Latib
BACKGROUND: Tricuspid valve (TV) repair at the time of left-sided valve surgery is indicated in patients with either severe functional tricuspid regurgitation (TR) or mild-to-moderate TR with coexistent tricuspid annular dilation or right heart failure. We assessed the benefits of a concomitant TV repair strategy during left-sided surgical valve interventions, focusing on mortality and echocardiographic TR-related outcomes. METHODS: A meta-analysis was performed of studies reporting outcomes of patients who underwent left-sided (mitral and/or aortic) valve surgery with or without concomitant TV repair...
May 5, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28497189/quantification-of-mitral-regurgitation-during-percutaneous-mitral-valve-repair-added-value-of-simultaneous-hemodynamic-and-3d-echocardiographic-assessment
#10
Ilonka Rohm, Tudor C Poerner, Ali Hamadanchi, Sylvia Otto, Torsten Doenst, Christian Jung, P Christian Schulze, Björn Goebel
The objective of this study was to investigate the usefulness of intraprocedural hemodynamic monitoring for MR evaluation during pMRV. Assessment of mitral regurgitation (MR) during percutaneous mitral valve repair (pMVR) procedure is challenging. 3D color Doppler allows exact quantification of MR, but is technically demanding. Sixty patients with moderate to severe MR (14 with structural and 46 functional MR) were included in the study. Intraprocedural pressure curves were continuously obtained in the left atrium (LA) and left ventricle (LV)...
May 11, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28492567/-echocardiographic-assessment-of-mitral-regurgitation-in-the-perspective-of-valve-repair
#11
Donato Mele, Marianna Nardozza, Diego Magnano, Mauro Del Giglio, Roberto Ferrari
Echocardiography is the most used imaging technique for the study of patients with mitral regurgitation because of its wide distribution, non-invasiveness and ability to provide diagnostic, functional, hemodynamic and prognostic evaluations. Also, echocardiography can provide essential information on surgical and percutaneous reparability of the regurgitant valve and can guide the surgical and interventional indications relative to valve repair. However, the echocardiographic study is not always appropriately performed in clinical practice and based on a surgery perspective...
April 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/28483264/transcatheter-aortic-valve-insertion-after-previous-mitral-valve-operation
#12
Kevin L Greason, Gurpreet S Sandhu, Vuyisile T Nkomo, Katherine S King, David L Joyce, Eric E Williamson, David R Holmes
OBJECTIVE: There are limited data on transcatheter aortic valve insertion after previous mitral valve operation. To better understand the associated procedural risks, we reviewed our single-center experience. METHODS: We retrospectively reviewed the records of 772 consecutive patients who received transcatheter aortic valve insertion from November 2008 through August 2016. There were 18 (2%) patients who had previous mitral valve operation that included valve repair in 4 patients (22%) and replacement in 14 (78%)...
April 4, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28477282/implantation-of-carillon-%C3%A2-mitral-contour-system-with-transvenous-left-ventricular-lead-in-place
#13
T Wengenmayer, J Reinöhl, J Steinfurt, A Mittag, C Bode, J Biermann
BACKGROUND: Cardiac resynchronisation therapy (CRT) is an established treatment option for chronic heart failure patients with left bundle branch block. Although a concomitant functional mitral regurgitation is often reduced by CRT, many patients need additional mitral valve repair. Placing a CARILLON(®) Mitral Contour System (CMCS) over a transvenous CRT lead is currently not recommended, since both of them are implanted in the coronary sinus (CS). The aim of this study was to investigate the feasibility of sequential implantation of a transvenous LV lead followed by CMCS implantation, and to assess LV lead performance and possibility of extraction...
May 5, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/28473215/management-of-nonagenarian-patients-with-severe-aortic-stenosis-the-role-of-comorbidity
#14
Eva Bernal, Albert Ariza-Solé, Antoni Bayés-Genís, Francesc Formiga, Pablo Díez-Villanueva, Rafael Romaguera, Hugo González-Saldívar, Manuel Martínez-Sellés
BACKGROUND: The number of nonagenarian patients with aortic stenosis will likely increase due to the ageing population. We assessed the clinical characteristics, management, and outcomes of nonagenarian patients with severe aortic stenosis. METHODS: A total of 177 (117 females and 60 males) consecutive nonagenarian patients from two large contemporary registries were included in this study. Clinical characteristics, comorbidity as assessed by the Charlson Index, clinical management, and outcomes were recorded...
April 12, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28473128/transcatheter-aortic-valve-implantation-within-degenerated-aortic-surgical-bioprostheses-partner-2-valve-in-valve-registry
#15
John G Webb, Michael J Mack, Jonathon M White, Danny Dvir, Philipp Blanke, Howard C Herrmann, Jonathon Leipsic, Susheel K Kodali, Raj Makkar, D Craig Miller, Philippe Pibarot, Augusto Pichard, Lowell F Satler, Lars Svensson, Maria C Alu, Rakesh M Suri, Martin B Leon
BACKGROUND: Early experience with transcatheter aortic valve replacement (TAVR) within failed bioprosthetic surgical aortic valves has shown that valve-in-valve (VIV) TAVR is a feasible therapeutic option with acceptable acute procedural results. OBJECTIVES: The authors examined 30-day and 1-year outcomes in a large cohort of high-risk patients undergoing VIV TAVR. METHODS: Patients with symptomatic degeneration of surgical aortic bioprostheses at high risk (≥50% major morbidity or mortality) for reoperative surgery were prospectively enrolled in the multicenter PARTNER (Placement of Aortic Transcatheter Valves) 2 VIV trial and continued access registries...
May 9, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28465972/incidental-finding-of-an-isolated-double-orifice-mitral-valve-in-an-asymptomatic-man
#16
Gianluigi Laccetta, Anna Maria Napoli
Double-orifice mitral valve (DOMV) is a very rare congenital anomaly that usually presents as mitral regurgitation. We present the case of a 39-year-old asymptomatic, healthy man with no previous medical history who was affected by isolated complete bridge type DOMV, incidentally detected by two-dimensional echocardiographic examination in the parasternal short-axis view. The mitral valve of the patient was normally functioning without any other coexistent cardiac abnormalities. Isolated DOMV was also confirmed by cardiac magnetic resonance imaging...
July 2016: Journal of Cardiovascular Echography
https://www.readbyqxmd.com/read/28457539/echocardiographic-visualization-and-quantification-of-mitral-complex-during-mitral-repair-for-severe-functional-mitral-regurgitation
#17
EDITORIAL
Kikuko Obase, Ichiro Matsumaru, Takashi Miura, Kiyoyuki Eishi
No abstract text is available yet for this article.
March 23, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28444570/current-mitraclip-experience-safety-and-feasibility-in-the-netherlands
#18
Z Rahhab, F A Kortlandt, J F Velu, R A J Schurer, V Delgado, P Tonino, A J Boven, B J L Van den Branden, A O Kraaijeveld, M Voskuil, J Hoorntje, M van Wely, K van Houwelingen, G B Bleeker, B Rensing, I Kardys, J Baan, J A S Van der Heyden, N M Van Mieghem
PURPOSE: Data on MitraClip procedural safety and efficacy in the Netherlands are scarce. We aim to provide an overview of the Dutch MitraClip experience. METHODS: We pooled anonymised demographic and procedural data of 1151 consecutive MitraClip patients, from 13 Dutch hospitals. Data was collected by product specialists in collaboration with local operators. Effect on mitral regurgitation was intra-procedurally assessed by transoesophageal echocardiography. Technical success and device success were defined according to modified definitions of the Mitral Valve Academic Research Consortium (MVARC)...
April 25, 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/28444164/vena-contracta-area-for-severity-grading-in-functional-and-degenerative-mitral-regurgitation-a-transoesophageal-3d-colour-doppler-analysis-in-500-patients
#19
Björn Goebel, Roland Heck, Ali Hamadanchi, Sylvia Otto, Torsten Doenst, Christian Jung, Alexander Lauten, Hans R Figulla, P Christian Schulze, Tudor C Poerner
Aims: Vena contracta area (VCA3D), derived by 3D colour Doppler echocardiography, has already been validated against cardiac magnetic resonance imaging, but the number of clinical studies to define cut-off values for grading of mitral regurgitation (MR) is limited. Aim of the study was to assess VCA3D in a large population of patients with functional (FMR) and degenerative MR (DMR). Methods and results: Transoesophageal echocardiography was performed in 500 patients with MR...
April 21, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28423126/chronic-atrial-fibrillation-ablation-with-harmonic-scalpel-during-mitral-valve-surgery
#20
Alexandre Visconti Brick, Domingo M Braile
Objective: To evaluate surgical treatment of chronic atrial fibrillation with ultrasound in patients with mitral valve disease, considering preoperative clinical characteristics of patients undergoing surgical procedure and follow-up in the immediate postoperative period, in hospital and up to 60 months after discharge. Methods: We studied 100 patients with chronic atrial fibrillation and mitral valve disease who underwent surgical treatment using ultrasound ablation...
January 2017: Brazilian Journal of Cardiovascular Surgery
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