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Mitral annular calcification

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https://www.readbyqxmd.com/read/29762922/redo-scoring-for-prediction-of-success-of-redo-percutaneous-balloon-mitral-valvuloplasty-in-patients-with-mitral-restenosis
#1
Ragab A Mahfouz, Waleed Elawady, Mohamed Goda, Tamer Moustafa
BACKGROUND: Echocardiographic predictors of redo-percutaneous balloon mitral valvuloplasty (redo-PBMV) have not been well studied, and indications are based mainly on Wilkins score. The study aim was to evaluate the immediate results of redo-PMBV and to introduce a simplified redo-score to predict the success of redo-PBMV. METHODS: Two cohorts of symptomatic patients (derivation group, n = 218; validation group, n = 100) who had undergone redo-PBMV at a mean of 8...
September 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/29731112/degenerative-mitral-stenosis-from-pathophysiology-to-challenging-interventional-treatment
#2
REVIEW
Marko Banovic, Mark DaCosta
Mitral stenosis (MS) is characterized by obstruction of left ventricular inflow as a result of narrowing of the mitral valve orifice. Although its prevalence has declined over the last decade, especially in developed countries, it remains an important cause of morbidity and mortality.  The most often cause of MS worldwide is still postrheumatic mitral valve disease. However, in developed countries, degenerative or calcific changes cause MS in a siginificant proportion of patients. Although the range of treatment for mitral valve disease has grown over the years in parallel with transcatheter therapies for aortic valve disease, these improvements in mitral valve disease therapy have experienced slower development...
April 6, 2018: Current Problems in Cardiology
https://www.readbyqxmd.com/read/29699610/transcatheter-mitral-valve-replacement-for-severe-mitral-annular-calcification-is-it-ready-for-prime-time
#3
EDITORIAL
Danny Ramzy, Joshua Chung, Alfredo Trento
No abstract text is available yet for this article.
May 1, 2018: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29699609/1-year-outcomes-of-transcatheter-mitral-valve-replacement-in-patients-with-severe-mitral-annular-calcification
#4
Mayra Guerrero, Marina Urena, Dominique Himbert, Dee Dee Wang, Mackram Eleid, Susheel Kodali, Isaac George, Tarun Chakravarty, Moses Mathur, David Holzhey, Ashish Pershad, H Kenith Fang, Daniel O'Hair, Noah Jones, Vaikom S Mahadevan, Nicolas Dumonteil, Josep Rodés-Cabau, Nicolo Piazza, Enrico Ferrari, Daniel Ciaburri, Mohammed Nejjari, Augustin DeLago, Paul Sorajja, Firas Zahr, Vivek Rajagopal, Brian Whisenant, Pinak Bipin Shah, Jan-Malte Sinning, Adam Witkowski, Helene Eltchaninoff, Danny Dvir, Bena Martin, Guilherme F Attizzani, Diego Gaia, Nagela S V Nunes, Amir-Ali Fassa, Faraz Kerendi, Gregory Pavlides, Vijay Iyer, Georges Kaddissi, Christian Witzke, James Wudel, Gregory Mishkel, Bryan Raybuck, Chi Wang, Ron Waksman, Igor Palacios, Alain Cribier, John Webb, Vinnie Bapat, Mark Reisman, Raj Makkar, Martin Leon, Charanjit Rihal, Alec Vahanian, William O'Neill, Ted Feldman
BACKGROUND: The risk of surgical mitral valve replacement in patients with severe mitral annular calcification (MAC) is high. Several patients worldwide with severe MAC have been treated successfully with transcatheter mitral valve replacement (TMVR) using balloon-expandable aortic transcatheter valves. The TMVR in MAC Global Registry is a multicenter registry that collects data on outcomes of these procedures. OBJECTIVES: The goal of this study was to evaluate 1-year outcomes in this registry...
May 1, 2018: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29681536/transcatheter-mitral-valve-replacement-in-severe-mitral-annular-calcification-and-atrial-septal-defect-closure
#5
REVIEW
Ozan M Demir, Neil Ruparelia, Deepa Gopalan, Gherardo Busi, Angela Frame, Nilesh Sutaria, Ben Ariff, Sayan Sen, Iqbal Malik, Antonio Colombo, Ghada W Mikhail
No abstract text is available yet for this article.
April 7, 2018: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/29678778/clinical-and-electrophysiologic-characteristics-of-patients-with-paroxysmal-intra-his-block-with-narrow-qrs-complexes
#6
Loheetha Ragupathi, Drew Johnson, Arnold Greenspon, Daniel Frisch, Reginald T Ho, Behzad B Pavri
BACKGROUND: Atrioventricular block (AVB) is usually due to infra-nodal disease and associated with a wide QRS complex; such patients often progress to complete AV block and pacemaker dependency. Uncommonly, infra-nodal AVB can occur within the His bundle with a narrow QRS complex. OBJECTIVE: To define clinical/echocardiographic characteristics of patients with AV block within the His bundle and report on progression to pacemaker dependency. METHODS: We retrospectively identified patients with narrow QRS complexes and documented intra-His delay or block on electrophysiologic study (Group A), or with ECG documented Mobitz II AVB/paroxysmal AVB (Group B)...
April 17, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29677630/resting-heart-rate-and-the-incidence-and-progression-of-valvular-calcium-the-multi-ethnic-study-of-atherosclerosis-mesa
#7
Kojo Amoakwa, Oluwaseun E Fashanu, Martin Tibuakuu, Di Zhao, Eliseo Guallar, Seamus P Whelton, Wesley T O'Neal, Wendy S Post, Matthew J Budoff, Erin D Michos
BACKGROUND AND AIMS: Left-sided valvular calcification is associated with cardiovascular disease (CVD) morbidity and mortality. Resting heart rate (RHR) may influence valvular calcium progression through shear stress. Whether RHR, an established CVD risk factor, is associated with valvular calcium progression is unknown. We assessed whether RHR predicts incidence and progression of mitral annular calcium (MAC) and aortic valve calcium (AVC) in a community-based cohort free of CVD at baseline...
April 6, 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29627180/transatrial-implantation-of-a-transcatheter-heart-valve-for-severe-mitral-annular-calcification
#8
Fabien Praz, Omar K Khalique, Raymond Lee, Ramesh Veeragandham, Hyde Russell, Mayra Guerrero, Ashequl M Islam, David W Deaton, Tsuyoshi Kaneko, Susheel K Kodali, Martin B Leon, Vinayak Bapat, Hiroo Takayama, Michael A Borger, Isaac George
OBJECTIVE: To assess the outcomes of transatrial implantation of a transcatheter heart valve (THV) for the treatment of mitral valve disease with severe mitral annular calcification (MAC). METHODS: Implantation of a balloon-expandable THV was performed on cardiopulmonary bypass via left atrial exposure in patients considered at risk for left ventricular outflow tract obstruction. The anterior mitral valve leaflet was systematically resected and pledgeted sutures were placed to enhance stability and reduce paravalvular leak...
March 12, 2018: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29626508/minimally-invasive-sapien-in-mitral-annular-calcification-following-tavr-feasibility-and-lessons-learned
#9
Tom C Nguyen, Juan B Umana-Pizano, Gina P Landinez, Prakash Balan
No abstract text is available yet for this article.
April 4, 2018: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29605597/hybrid-open-minimally-invasive-transcatheter-mitral-valve-replacement
#10
Sivan G Marcus, Vaikom S Mahadevan, Tobias Deuse
We describe a hybrid surgical-interventional technique for minimally-invasive implantation of a transcatheter aortic valve in the mitral position. This technique does not require circular mitral annular calcification and minimizes the risk for left ventricular outflow tract obstruction. We believe this technique represents a useful approach for surgeons and interventional cardiologists until specialized transcatheter mitral valve devices become available.
March 29, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29514183/an-early-european-experience-with-transapical-off-pump-mitral-valve-repair-with-neochord-implantation
#11
Andrea Colli, Erica Manzan, Audrius Aidietis, Kestutis Rucinskas, Eleonora Bizzotto, Laura Besola, Nicola Pradegan, Demetrio Pittarello, Vilius Janusauskas, Diana Zakarkaite, Agne Drasutiene, Arturas Lipnevicius, Bernhard C Danner, Horst Sievert, Laura Vaskelyte, Nalan Schnelle, Stefano Salizzoni, Massimo Marro, Mauro Rinaldi, Katarzyna Kurnicka, Kristof Wrobel, Mariano Ceffarelli, Carlo Savini, Davide Pacini, Gino Gerosa
OBJECTIVES: Transapical off-pump NeoChord repair is a novel minimally invasive surgical procedure to treat degenerative mitral valve regurgitation. The aim was to evaluate 1-year clinical results of the NeoChord procedure in a consecutive cohort of patients. METHODS: Between February 2013 and July 2016, 213 patients were enrolled in the NeoChord Independent International Registry. All patients presented severe mitral regurgitation due to flail/prolapse of 1 or both leaflets, and they all completed postoperative echocardiographic assessment up to 1 year...
March 5, 2018: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29501234/transcatheter-mitral-valve-replacement-in-patients-with-severe-mitral-annular-calcification-pushing-the-limits-to-the-sky
#12
EDITORIAL
Oliver J Liakopoulos
No abstract text is available yet for this article.
February 8, 2018: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29486707/genomic-analysis-in-patients-with-myxomatous-mitral-valve-prolapse-current-state-of-knowledge
#13
S Gasser, H Reichenspurner, E Girdauskas
BACKGROUND: Myxomatous mitral valve prolapse is a common cardiac abnormality. Morbus Barlow is characterized by excess myxomatous leaflet tissue, bileaflet prolapse or billowing, chordae elongation and annular dilatation with or without calcification. Extensive myxoid degeneration with destruction of the normal three-layered leaflet tissue architecture is observed histologically in such patients. Autosomal dominant inheritance with an age and sex-dependent expression has long been recognised...
February 27, 2018: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/29481787/a-calcified-amorphous-tumor-originating-in-the-aortic-valve-cusp
#14
Mio Kasai, Motohiko Osako, Tomoyuki Tanino, Arafumi Maeshima
Calcified amorphous tumor (CAT) of the heart is a rare non-neoplastic cardiac tumor. The clinical features of cardiac CATs resemble those of other cardiac tumors that include symptoms related to obstruction or embolization. Cardiac CATs have been found in all chambers of the heart, but predominantly present in the left ventricle, mitral annulus, and mitral valve. Here we report an extremely rare case of CAT originating in the aortic valve cusp, which may be related to aortic annular calcification and aortic valve stenosis...
February 23, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29464789/surgical-outcomes-of-mitral-valve-replacement-with-concomitant-mitral-annular-reconstruction
#15
Su Wan Kim, Dong Seop Jeong, Kiick Sung, Wook Sung Kim, Young Tak Lee, Pyo Won Park
BACKGROUND AND AIM OF THE STUDY: We evaluated the early and long-term outcomes of mitral annular reconstruction (MAR) with pericardium during mitral valve replacement (MVR), and analyzed the risk factors associated with post-operative mortality. METHODS: Between May 1997 and April 2013, 78 consecutive patients underwent MVR with MAR. The indications for MAR were treatment for annular infection in native valve endocarditis (n = 23, 29.5%) or prosthetic valve endocarditis (n = 26, 33...
February 2018: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/29362192/mitral-annular-calcification-and-mitral-valve-replacement-a-new-approach
#16
Valérie Lafrenière-Bessi, Maude Cameron-Gagné, Jean Perron, Marie-Hélène Lévesque, Maxime Laflamme, Éric Charbonneau, Siamak Mohammadi, Frédéric Jacques
Mitral valve replacement is technically challenging in the context of mitral annular calcification. A new surgical strategy is described that was used in a 71-year-old obese patient, where intraatrial prosthesis insertion and valve fixation into native uncalcified structures were performed without calcium debridement.
February 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29359388/three-dimensional-prototyping-for-procedural-simulation-of-transcatheter-mitral-valve-replacement-in-patients-with-mitral-annular-calcification
#17
Abdallah El Sabbagh, Mackram F Eleid, Jane M Matsumoto, Nandan S Anavekar, Mohammed A Al-Hijji, Sameh M Said, Vuyisile T Nkomo, David R Holmes, Charanjit S Rihal, Thomas A Foley
INTRODUCTION: Three-dimensional (3D) prototyping is a novel technology which can be used to plan and guide complex procedures such as transcatheter mitral valve replacement (TMVR). METHODS: Eight patients with severe mitral annular calcification (MAC) underwent TMVR. 3D digital models with digital balloon expandable valves were created from pre-procedure CT scans using dedicated software. Five models were printed. These models were used to assess prosthesis sizing, anchoring, expansion, paravalvular gaps, left ventricular outflow tract (LVOT) obstruction, and other potential procedure pitfalls...
January 23, 2018: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29346710/an-extensive-caseous-calcification-of-the-mitral-annulus-complicated-with-severe-mitral-regurgitation
#18
Alper Karakus, Hakan Tibilli, Ibrahim H Inanc, Hakan Tasolar, Serdar Turkmen, Erdal Akturk
Caseous calcification of the mitral annulus (CCMA) is considered a rare variant of mitral annular calcification (MAC) due to caseous transformation of the inner material and prevalence of CCMA, about 0.63% of all MAC cases and 0.06%-0.07% of the population. The precise pathophysiology of CCMA is still unknown. It is a chronic degenerative disorder common in the elderly, particularly in women. Caseous calcification of the mitral annulus (CCMA) is a soft peri-annular extensive calcification, resembling cardiac tumors, abscesses, vegetation, or calcified thrombus, which is composed of an admixture of calcium, fatty acids, and cholesterol with a toothpaste-like texture...
February 2018: Echocardiography
https://www.readbyqxmd.com/read/29332915/calcified-amorphous-tumor-induced-acute-cerebral-infarction
#19
Yoshihiro Aizawa, Toshiko Nakai, Yuki Saito, Koyuru Monno, Tomoyuki Morikawa, Rikitake Kogawa, Takumi Hatta, Takehiro Tamaki, Mahoto Kato, Munehito Arimoto, Shunji Osaka, Keishin Sunagawa, Xiao Yan Tang, Masashi Tanaka, Hiroyuki Hao, Atsushi Hirayama
We report the case of a 38-year-old woman who was admitted for acute cerebral infarction linked to a cardiac calcified amorphous tumor (CAT) and related mitral annular calcification (MAC). The cardiac mass was removed, and mitral valve replacement surgery was performed. Pathological examination revealed an amorphous accumulation of degenerating material within both lesions, indicating that build-up of calcium along the mitral annulus and subsequent rupture of the fibrotic tissue may be involved in the initiation and progression of CAT...
January 27, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29331957/mitral-valve-anatomic-predictors-of-hemodynamic-success-with-transcatheter-mitral-valve-repair
#20
Jeremy J Thaden, Joseph F Malouf, Vuyisile T Nkomo, Sorin V Pislaru, David R Holmes, Guy S Reeder, Charanjit S Rihal, Mackram F Eleid
BACKGROUND: Mitral regurgitation is a heterogeneous disease. Determining which patients derive optimal outcomes from transcatheter edge-to-edge mitral valve repair (TMVR) remains challenging. We sought to determine whether baseline mitral valve anatomic characteristics are predictive of left atrial pressure (LAP) changes during TMVR with MitraClip. METHODS AND RESULTS: Consecutive patients with severe mitral regurgitation undergoing TMVR (n=112) underwent continuous intraprocedural LAP monitoring and retrospective echocardiographic analysis for specific mitral anatomic characteristics...
January 13, 2018: Journal of the American Heart Association
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