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Mitral stenosis

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https://www.readbyqxmd.com/read/29346710/an-extensive-caseous-calcification-of-the-mitral-annulus-complicated-with-severe-mitral-regurgitation
#1
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...
January 18, 2018: Echocardiography
https://www.readbyqxmd.com/read/29342329/when-the-gold-standard-is-not-always-golden-the-value-of-invasive-hemodynamic-assessment-to-overcome-the-pitfalls-of-echocardiography-in-challenging-cases-of-mitral-stenosis
#2
Yenal Harper, Salem A Salem, Shadwan Alsafwah, Santhosh Koshy, Nadish Garg
Mitral stenosis is a uncommon valvular lesion in the developed countries. Noninvasive evaluation is the first-line modality for assessment of mitral stenosis, however the noninvasive methods may have limitations in certain cases. Invasive hemodynamics can be used as adjunct tool for assessment of mitral stenosis in such difficult cases. Mitral valve using three-dimensional planimetry is a promising technique for assessment of mitral stenosis.
January 2018: Echocardiography
https://www.readbyqxmd.com/read/29334829/rare-combination-of-pathologies-causing-mitral-stenosis-and-mitral-regurgitation-a-case-report
#3
Anupama K Nair, Kuntal Roy Chowdhuri, Sitaraman Radhakrishnan, Krishna S Iyer, Manish Saxena
A supramitral ring is a rare cause of mitral stenosis, while an isolated mitral valve cleft is a rare cause of congenital mitral regurgitation. Fortunately, both the lesions are known to have good outcomes after surgical correction. Although each is known to be associated with a variety of other structural heart defects, their coexistence has not been reported previously. We report a case of a three- and half-year-old boy detected to have a rare combination of supramitral ring producing severe mitral stenosis with a coexisting cleft in the anterior leaflet of mitral valve causing severe mitral regurgitation...
January 1, 2018: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/29325012/systematic-review-of-the-cost-effectiveness-of-transcatheter-interventions-for-valvular-heart-disease
#4
Gialama Fotini, Prezerakos Panagiotis, Apostolopoulos Vasilis, Nikolaos Maniadakis
Objectives: Transcatheter aortic valve implantation (TAVI) and transcatheter mitral valve repair (TMVR) are increasingly used for managing patients with valvular heart disease to whom surgery presents a high-risk. As these are costly procedures, a systematic review of studies concerned with their economic assessment was undertaken. Methods: The search was performed in PubMed and the Cochrane Library and followed recommended methodological steps. Studies were screened and their data were retrieved and were synthesized using a narrative approach...
January 9, 2018: European Heart Journal. Quality of Care & Clinical Outcomes
https://www.readbyqxmd.com/read/29309559/causes-of-repair-failure-for-degenerative-mitral-valve-disease-and-reoperation-outcomes
#5
Hidefumi Nishida, Toshihiro Fukui, Hitoshi Kasegawa, Hajime Kin, Masataka Yamazaki, Shuichiro Takanashi
OBJECTIVES: This study aimed to evaluate the causes of initial mitral valve (MV) repair failure, the details of reoperation and the long-term outcomes of mitral valve re-repair (Re-MVP). METHODS: We retrospectively reviewed 86 patients who underwent reoperation after MV repair for MR due to degenerative disease from October 1991 to December 2015. First, we analysed the initial MV repair data, causes of MV repair failure, reoperation data and long-term outcomes including survival...
January 3, 2018: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29307159/calculation-of-mitral-valve-area-in-mitral-stenosis-comparison-of-continuity-equation-and-pressure-half-time-with-two-dimensional-planimetry-in-patients-with-and-without-associated-aortic-or-mitral-regurgitation-or-atrial-fibrillation
#6
Roya Sattarzadeh, Anahita Tavoosi, Mohammad Saadat, Leila Derakhshan, Bakhtyar Khosravi, Babak Geraiely
Accurate measurement of Mitral Valve Area (MVA) is essential to determining the Mitral Stenosis (MS) severity and to achieving the best management strategies for this disease. The goal of the present study is to compare mitral valve area (MVA) measurement by Continuity Equation (CE) and Pressure Half-Time (PHT) methods with that of 2D-Planimetry (PL) in patients with moderate to severe mitral stenosis (MS). This comparison also was performed in subgroups of patients with significant Aortic Insufficiency (AI), Mitral Regurgitation (MR) and Atrial Fibrillation (AF)...
November 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/29304514/antithrombotic-treatment-after-transcatheter-heart-valves-implant
#7
Sabato Sorrentino, Gennaro Giustino, Kamilia Moalem, Ciro Indolfi, Roxana Mehran, George D Dangas
Transcatheter heart valve replacement technology was introduced as alternative to surgery for the growing high-risk profile population. Developed first, aortic valve replacement (TAVR) became a standard of care for patients with severe aortic stenosis at high operative risk, with a potential future use also for low-risk subjects. In the last decade, a multitude of transcatheter mitral valve replacement (TMVR) devices have been developed for the treatment of severe mitral regurgitation, with encouraging results coming from first-in-man and feasibility studies...
January 5, 2018: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/29302951/percutaneous-therapy-of-a-stenotic-parachute-mitral-valve-previously-treated-by-surgery
#8
Roberta De Rosa, Dietmar Schranz, Mariuca Vasa-Nicotera, Birgit Assmus, Petar Risteski, Anton Moritz, Andreas M Zeiher, Stephan Fichtlscherer
Parachute mitral valve (PMV) is a congenital heart anomaly which consists of a unifocal attachment of the mitral valve chordae into a single or dominant papillary muscle. This morphological anomaly determines the impairment of mitral leaflet motion, resulting in different grades of mitral stenosis. Due to its frequent association with other congenital cardiac defects requiring surgical correction, the therapy of a relevant stenotic PMV is usually represented by surgical commissurotomy. Herein is reported the case of a PMV treated by surgery in infancy, which showed a severe restenosis after 34 years and was successfully treated by percutaneous valvuloplasty with the additional creation of a restrictive atrial communication...
July 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/29302942/pathophysiological-factors-associated-with-left-ventricular-perforation-in-transcatheter-aortic-valve-implantation-by-transfemoral-approach
#9
Tamer Owais, Mohammad El Garhy, Jürgen Fuchs, Kushtrim Disha, Sameh Elkaffas, Martin Breuer, Bernward Lauer, Thomas Kuntze
BACKGROUND: Left ventricular (LV) perforation is one of the rare and most serious complications of transcatheter aortic valve implantation (TAVI). The study aim was to determine the pathophysiological factors associated with this serious complication. METHODS: A retrospective study was conducted of pathophysiological factors shown in echocardiograms and computed tomography angiograms performed preoperatively in patients who developed LV perforation during transfemoral TAVI (study group) with regards to anatomic and functional variables...
July 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/29301810/saphenous-vein-graft-aneurysm-and-fistula-with-compression-mimicking-mitral-stenosis
#10
Jeffrey B Ziffra, Phillip Tran, Melody Strattan, Brock Cookman
We present the case of a patient who presented with acute coronary syndrome and was found to have a mass compressing the left atrium. An angiogram revealed a large saphenous vein graft aneurysm with a fistula into a cardiac chamber, presumed to be the left ventricle. The patient also developed a functional mitral stenosis secondary to this mass causing left atrial compression. The patient passed away prior to receiving surgery. We describe a rare case of venous graft aneurysm with compression and fistula to a chamber other than the right atrium, that to our knowledge has yet to be reported...
January 4, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29289633/severe-mitral-stenosis-and-persistent-left%C3%A2-appendage-thrombosis-when-an-old-percutaneous-solution-meets-new-percutaneous%C3%A2-strategies
#11
Antonio Mangieri, Matteo Montorfano, Stefano Stella, Damiano Regazzoli, Marco B Ancona, Richard J Jabbour, Satoru Mitomo, Giuseppe Seresini, Fabrizio Monaco, Giuseppe Lanzillo, Matteo Pagnesi, Antonio Colombo, Azeem Latib
No abstract text is available yet for this article.
December 18, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29284509/should-high-risk-patients-with-concomitant-severe-aortic-stenosis-and-mitral-valve-disease-undergo-double-valve-surgery-in-the-tavr-era
#12
Pey-Jen Yu, Allan Mattia, Hugh A Cassiere, Rick Esposito, Frank Manetta, Nina Kohn, Alan R Hartman
BACKGROUND: Significant mitral regurgitation in patients undergoing transcatheter aortic valve replacement (TAVR) is associated with increased mortality. The aim of this study is to determine if surgical correction of both aortic and mitral valves in high risk patients with concomitant valvular disease would offer patients better outcomes than TAVR alone. METHODS: A retrospective analysis of 43 high-risk patients who underwent concomitant surgical aortic valve replacement and mitral valve surgery from 2008 to 2012 was performed...
December 29, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/29284450/cardiovascular-magnetic-resonance-in-the-evaluation-of-heart-valve-disease
#13
REVIEW
G S Gulsin, A Singh, G P McCann
BACKGROUND: Over the last 25 years, cardiovascular magnetic resonance imaging (CMR) has emerged as an alternative to echocardiography for assessment of valvular heart disease (VHD). Although echo remains the first-line imaging modality for the assessment of patients with VHD, CMR can now provide a comprehensive assessment in many instances. Using a combination of techniques, CMR provides information on valve anatomy and enables quantitative analysis of the severity of the valve lesion...
December 29, 2017: BMC Medical Imaging
https://www.readbyqxmd.com/read/29284400/medium-term-outcomes-of-78-808-patients-after-heart-valve-surgery-in-a-middle-income-country-a-nationwide-population-based-study
#14
Regina Maria de Aquino Xavier, Vitor Manuel Pereira Azevedo, Paulo Henrique Godoy, Arn Migowski, Antonio Luiz Pinho Ribeiro, Rogério Brant Martins Chaves, Marcelo Goulart Correia, Carolina de Aquino Xavier, Lucas de Aquino Hashimoto, Clara Weksler, Nelson Albuquerque Souza E Silva
BACKGROUND: Heart valve surgery outcomes are unknown in middle-income countries and thus cannot be used in health system decision making processes. This study estimated in-hospital mortality and medium and long-term survival. METHODS: This was a retrospective study of 78,806 patients who underwent heart valve surgery between 2001 and 2007 in Brazil. Two national databases were used, the Hospital Information System and the Mortality Information System. Kaplan-Meier survival analysis and log-rank tests were performed...
December 28, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/29276445/spontaneous-echo-contrast-in-a-73-year-old-man-with-mitral-stenosis-and-a-giant-left-atrium
#15
Celal Kilit, Basri Amasyali, Mehmet Ali Astarcioglu
No abstract text is available yet for this article.
December 2017: Texas Heart Institute Journal
https://www.readbyqxmd.com/read/29275952/late-onset-of-atrial-fibrillation-in-patients-undergoing-mitral-valve-repair-for-type-ii-dysfunction
#16
Naonori Kawamoto, Tomoyuki Fujita, Satsuki Fukushima, Yusuke Shimahara, Yuta Kume, Yorihiko Matsumoto, Kizuku Yamashita, Junjiro Kobayashi
BACKGROUND: There are few reports regarding factors related to late-onset of atrial fibrillation (Af) after mitral valve repair, which can compromise long-term outcome. We analyzed the risk factors for late Af after mitral valve repair. METHODS AND RESULTS: Between 2001 and 2015, 318 patients (214 males; median, 57.7 years) underwent mitral valve repair for degenerative mitral insufficiency (MI) without concomitant aortic valve disease in our institute. Patients with a history of paroxysmal or chronic Af preoperatively were excluded...
December 21, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/29274676/-determination-of-residual-mass-in-left-ventricle-by-intraoperative-transesophageal-echocardiography-after-a-giant-and-floating-left-atrial-myxoma-resection
#17
Ali Sait Kavakli, Nilgun Kavrut Ozturk
Atrial myxoma is a benign tumor of the heart that occurs primarily in the left atrium. Floating or large left atrial myxomas frequently cause functional mitral stenosis, may also affect mitral valve structure and flow, and lead to mitral regurgitation. Systemic embolization occurs in around 30% of cases either from tumor fragmentation or complete tumor detachment hence it should be removed as soon as it is detected. Intraoperative transesophageal echocardiography has a vital importance in the surgery. After resection of myxoma, intraoperative transesophageal echocardiography must be performed to rule out residual mass...
December 20, 2017: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/29274010/the-challenge-of-hammock-mitral-valve-during-infancy-precise-preoperative-advanced-imaging-and-three-dimensional-modeling-augments-customized-operative-valve-reconstruction
#18
Dennis VanLoozen, Shawna McCafferty, William A Lutin, Anastasios C Polimenakos
Hammock mitral valve (MV), also known as anomalous mitral arcade, is a rare congenital anomaly. We report a case of a 10-month-old child who presented with congestive heart failure and was found to have severe mitral stenosis (MS) secondary to a hammock MV anomaly. Detailed advanced imaging with cardiac MRI and three-dimensional (3D) echocardiography favorably navigated a customized valve-sparing surgical reconstruction of the congenitally abnormal MV. Repair of a hammock MV is technically difficult with a guarded prognosis...
December 22, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/29273635/prevalence-characteristics-and-outcomes-of-valvular-heart-disease-in-patients-with-atrial-fibrillation-insights-from-the-orbit-af-outcomes-registry-for-better-informed-treatment-for-atrial-fibrillation
#19
Kevin L Thomas, Larry R Jackson, Peter Shrader, Jack Ansell, Gregg C Fonarow, Bernard Gersh, Peter R Kowey, Kenneth W Mahaffey, Daniel E Singer, Laine Thomas, Jonathan P Piccini, Eric D Peterson
BACKGROUND: The presence of valvular heart disease (VHD) may affect the risk of stroke and mortality in patients with atrial fibrillation (AF). Community-based estimates of prevalence and outcomes of specific forms of VHD in patients with AF are lacking. METHODS AND RESULTS: We examined the prevalence of VHD, anticoagulation use, mortality, stroke/transient ischemic attack, and bleeding among a community cohort of patients with AF. Significant VHD was defined as follows: (1) moderate/severe mitral stenosis or mechanical valve; (2) bioprosthetic valve, surgical repair, or balloon valvuloplasty; and (3) moderate/severe aortic regurgitation or stenosis, mitral regurgitation, or tricuspid regurgitation...
December 22, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29258732/using-a-regent-aortic-valve-in-a-small-annulus-mitral-position-is-a-viable-option
#20
Yaron D Barac, Brittany Zwischenberger, Jacob N Schroder, Mani A Daneshmand, Jack Haney, Jeff Gaca, Andrew Wang, Carmelo A Milano, Donald D Glower
BACKGROUND: Outcome of mitral valve replacement in extreme scenarios of small mitral annulus using the Regent mechanical aortic valve is not well documented. METHODS: Records were examined in 31 consecutive patients undergoing mitral valve replacement using the aortic Regent valve due to a small mitral annulus. RESULTS: Mean age was 60±14 years. Mitral stenosis or mitral annulus calcification was present in 30/31(97%) patients. Concurrent procedures were performed in 17/31(55%) patients...
December 16, 2017: Annals of Thoracic Surgery
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