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Mitral valve regurgitation

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https://www.readbyqxmd.com/read/28532769/mitral-valve-repair-for-pure-mitral-regurgitation-followed-years-later-by-mitral-valve-replacement-for-mitral-stenosis
#1
Tiffany M Becker, Paul A Grayburn, William C Roberts
We describe herein 2 patients who developed severe mitral stenosis (MS) approximately two decades after a mitral valve repair operation for pure mitral regurgitation (MR) secondary to mitral valve prolapse. This report's purpose is to point out that use of a circumferential mitral annular ring during the repair has the potential to produce a transmitral pressure gradient just like that occurring after mitral valve replacement utilizing a mechanical prosthesis or a bioprosthesis in the mitral position.
April 12, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28531333/the-flaws-in-the-detail-of-an-observational-study-on-transcatheter-aortic-valve-implantation-versus-surgical-aortic-valve-replacement-in-intermediate-risks-patients
#2
Fabio Barili, Nick Freemantle, Thierry Folliguet, Claudio Muneretto, Michele De Bonis, Martin Czerny, Jean Francois Obadia, Nawwar Al-Attar, Nikolaos Bonaros, Jolanda Kluin, Roberto Lorusso, Prakash Punjabi, Rafael Sadaba, Piotr Suwalski, Umberto Benedetto, Andreas Böning, Volkmar Falk, Miguel Sousa-Uva, Pieter A Kappetein, Lorenzo Menicanti
The PARTNER group recently published a comparison between the latest generation SAPIEN 3 transcatheter aortic valve implantation (TAVI) system (Edwards Lifesciences, Irvine, CA, USA) and surgical aortic valve replacement (SAVR) in intermediate-risk patients, apparently demonstrating superiority of the TAVI and suggesting that TAVI might be the preferred treatment method in this risk class of patients. Nonetheless, assessment of the non-randomized methodology used in this comparison reveals challenges that should be addressed in order to elucidate the validity of the results...
June 1, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28528161/functional-implication-of-mitral-annular-disjunction-in-mitral-valve-prolapse-a-quantitative-dynamic-3d-echocardiographic%C3%A2-study
#3
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
#4
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/28523023/surgical-repair-of-partial-atrioventricular-septal-defect
#5
Tariq Waqar, Muhammad Usman Riaz, Muhammad Shuaib
OBJECTIVE: To review the results of surgical correction of partial atrioventricular septal defect and associated cardiac comorbidities. METHODS: Retrospective case analysis of electronic database of department of paediatrics cardiac surgery, CPEIC, Multan was done. Forty consecutive patients operated for partial atrioventricular septal defect repair from September 2011 to October 2016 were included. Mean age was 14.67±7.96 years. 60% (24) patients were male. Regarding echocardiographic findings, pre-operatively 40% (n=16) had mild, 47...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28521809/role-of-mitral-valve-repair-in-active-infective-endocarditis-long-term-results
#6
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/28520541/outcomes-and-prognostic-factors-for-adult-patients-with-congenital-heart-disease-undergoing-primary-or-reoperative-systemic-atrioventricular-valve-surgery
#7
Elizabeth H Stephens, Jiho Han, Jonathan Ginns, Marlon Rosenbaum, Paul Chai, Emile Bacha, David Kalfa
BACKGROUND: Adults with congenital heart disease (ACHD) undergoing systemic atrioventricular valve (SAVV) surgery are a complex, understudied population. We assessed midterm outcomes and prognostic factors in ACHD undergoing SAVV surgery. METHODS: We performed retrospective evaluation of ACHD undergoing SAVV surgery from January 2005 to February 2016: 14 (33%) patients with congenital mitral valve stenosis/regurgitation, 15 (35%) with atrioventricular septal defect (AVSD), and 14 (33%) with congenitally corrected transposition of the great arteries (ccTGA) with systemic tricuspid valve regurgitation...
May 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/28517030/gerbode-defect-and-multivalvular-dysfunction-complex-complications-in-adult-congenital-heart-disease
#8
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/28515824/cardiogenic-shock-acute-severe-mitral-regurgitation-and-complete-heart-block-after-cavo-tricuspid-isthmus-atrial-flutter-ablation
#9
Thein Tun Aung, Edward Samuel Roberto, Kevin D Kravitz
Radiofrequency (RF) ablation is the first-line management of cavo-tricuspid isthmus dependent atrial flutter. It has been performed with 95% success rate. Adverse events are very rare. We report the first case of acute severe mitral regurgitation (MR) and complete heart block developed after successful atrial flutter ablation. A 62-year-old female with mild MR presented with palpitations. Surface electrocardiogram was suggestive of isthmus dependent atrial flutter. A duodecapolar mapping catheter showed an atrial flutter with cycle length of 280 ms...
April 2017: Cardiology Research
https://www.readbyqxmd.com/read/28515127/a-retrospective-analysis-of-mitral-valve-pathology-in-the-setting-of-bicuspid-aortic-valves
#10
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/28512734/mitral-valve-aneurysms-clinical-characteristics-echocardiographic-abnormalities-and-possible-mechanisms-of-formation
#11
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
https://www.readbyqxmd.com/read/28511424/mechanism-and-immediate-outcome-of-significant-mitral-regurgitation-following-balloon-mitral-valvuloplasty-with-jomiva-balloon
#12
Shanmuga Sundaram, Tamilarasu Kaliappan, Rajendiran Gopalan, Ramasamy Palanimuthu, Premkrishna Anandhan, Rinku Mary Joseph
INTRODUCTION: Balloon Mitral Valvuloplasty (BMV) with inoue balloon is the most common technique being followed worldwide. Over the wire BMV is a modified technique with Joseph Mitral Valvuloplasty (JOMIVA) balloon and is being followed in certain centres. We hypothesized that, the incidence and mechanism of Mitral Regurgitation (MR) is likely to be different from that of inoue balloon. AIM: To assess the mechanism and immediate clinical outcome of significant MR following BMV with JOMIVA balloon retrospectively...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28509760/global-longitudinal-strain-predicts-outcome-after-mitraclip-implantation-for-secondary-mitral-regurgitation
#13
Rodolfo Citro, Cesare Baldi, Patrizio Lancellotti, Angelo Silverio, Gennaro Provenza, Michele Bellino, Michele R Di Muro, Generoso Mastrogiovanni, Roberta De Rosa, Gennaro Galasso, Eduardo Bossone, Pietro Giudice, Federico Piscione
AIM: The aim of this study was to assess preoperative determinants, prevalence, and prognostic impact of left ventricular (LV) reverse remodeling (LVRR) in patients with secondary mitral regurgitation (SMR), undergoing MitraClip implantation (MCi). METHODS: From March 2012 to January 2015, a total of 41 consecutive patients with moderate-to-severe SMR treated successfully with MCi were enrolled. All patients underwent clinical and echocardiographic follow-up after MCi...
May 13, 2017: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/28507571/transcatheter-paravalvular-leak-closure-and-hemolysis-a-prospective-registry
#14
Grzegorz Smolka, Piotr Pysz, Andrzej Ochała, Michał Kozłowski, Wojciech Zasada, Zofia Parma, Michał Tendera, Wojciech Wojakowski
INTRODUCTION: Paravalvular leak (PVL) related to a surgical prosthetic valve may be associated with clinically significant hemolysis. The influence of transcatheter PVL closure (TPVLC) on hemolysis remains uncertain. MATERIAL AND METHODS: The prospective registry included patients undergoing TPVLC due to PVL-related heart failure and/or hemolysis. Procedural data, laboratory markers of hemolysis and heart failure status were recorded at baseline, discharge and at 1- and 6-month follow-up...
April 1, 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28506938/dynamic-transcatheter-mitral-valve-repair-a-new-concept-to-treat-functional-mitral-regurgitation-using-an-adjustable-spacer
#15
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/28506547/transcatheter-mitral-valve-interventions-for-mitral-regurgitation-with-special-focus-on-mitraclip-the-position-of-spanish-portuguese-and-italian-interventional-societies
#16
Rodrigo Estévez-Loureiro, Xavier Freixa, Dabit Arzamendi, Armando Perez de Prado, Rui Campante-Teles, Bruno Melica, Giuseppe Tarantini, Giuseppe Musumeci, Manuel Pan
Mitral regurgitation is a common valvular heart disease and its prevalence is expected to increase with population ageing. In the recent years we have witnessed the evolution of several transcatheter devices to correct mitral regurgitation in patients at high-risk for surgery. Most of the evidence of the safety and efficacy of this new therapy comes from MitraClip studies. However, new alternatives have emerged with promising results. The aim of this position paper is to review the current evidence regarding patient selection, expected results and timing for transcatheter mitral valve interventions from the perspective of three European interventional societies...
May 9, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28504238/united-kingdom-coronary-and-structural-heart-interventions-from-2010-to-2015
#17
Peter F Ludman, Mark A de Belder, Simon Redwood, Adrian Banning
In the United Kingdom, a clinical data set is completed for every patient undergoing coronary intervention and certain structural interventions, and sent to central servers in the National Institute for Cardiovascular Outcomes Research (NICOR) on behalf of the British Cardiovascular Intervention Society (BCIS). These data are linked to the national mortality register. In addition, data are obtained about the structure of healthcare provision using an annual survey. Analyses of these data are provided for different audiences in several formats...
May 15, 2017: EuroIntervention
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
#18
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/28497556/mitral-arcade-a-rare-case-presenting-with-fatigue-and-cough
#19
Derya Aydın Sahin, Ozben Ceylan
An 11-year-old girl was admitted to pediatric emergency unit with complaints of fatigue and cough. The patient had no previous complaints. There was no history of rheumatic heart disease. The height and duration of the P-wave was 4 mm and 0.16 seconds, respectively (p mitrale). Echocardiography showed enlarged left atrium (51×61 mm in diameter). Both the anterolateral and posteromedial papillary muscles were directly attached to the anterior and posterior mitral valve leaflets without tendinous chords. The patient was diagnosed with mitral arcade, severe mitral stenosis, and mitral regurgitation...
May 12, 2017: Echocardiography
https://www.readbyqxmd.com/read/28497189/quantification-of-mitral-regurgitation-during-percutaneous-mitral-valve-repair-added-value-of-simultaneous-hemodynamic-and-3d-echocardiographic-assessment
#20
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
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