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Transcatheter mitral valve replacement

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https://www.readbyqxmd.com/read/28805039/unnatural-milieu-thrombus-after-transcatheter-mitral-valve-replacement
#1
EDITORIAL
Jaffar M Khan, Robert J Lederman
What the article teaches Transcatheter heart valve thrombosis in the mitral position causes increased valve gradients, valve dysfunction, and symptoms, and may be associated with lack of therapeutic anticoagulation. How it will impact practice Anticoagulation with a vitamin K antagonist should be considered in all patients undergoing transcatheter mitral valve replacement. What new research/study would help answer the question posed Efficacy, optimal duration, and safety of anticoagulation therapy, balancing reduced thrombosis against increased bleeding risk, needs to be assessed in larger cohort studies and prospective trials...
August 1, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28799521/transcatheter-mitral-valve-replacement-long-term-outcomes-of-first-in-man-experience-with-an-apically-tethered-device-a-case-series-from-a-single-centre
#2
Alison Duncan, Anan Daqa, James Yeh, Simon Davies, Anselm Uebing, Cesare Quarto, Neil Moat
AIMS: Transcatheter mitral valve replacement (TMVR) is a novel technique for treating mitral regurgitation. We report 18-month/2-year outcomes of the 5 first-in-man patients undergoing chronic TMVR with the Tendyne device. METHODS AND RESULTS: Five patients (STS score 14%-23%) underwent TMVR using a Tendyne system under compassionate use at a single centre. 1 patient (who was noncompliant with anti-coagulation) died 9 months after TMVR following a cerebrovascular accident...
August 13, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28780032/percutaneous-management-of-mitral%C3%A2-perforation-during-transcatheter-aortic-valve-replacement
#3
Asma Bourezg, Cyril Prieur, Gérard Finet, Gilles Rioufol
No abstract text is available yet for this article.
July 27, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28776919/open-surgical-mitral-valve-replacement-with-a-transcatheter-edwards-sapien-xt-valve
#4
Tanveer Ahmad, Prakash M Ludhani, Ronen Gurvitch, John Goldblatt, James Tatoulis
No abstract text is available yet for this article.
August 4, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28760473/transapical-mitral-valve-implantation-for-native-mitral-valve-stenosis-using-a-balloon-expandable-prosthesis
#5
Philipp Kiefer, Thilo Noack, Joerg Seeburger, Alexandro Hoyer, Axel Linke, Norman Mangner, Lukas Lehmkuhl, Friedrich Wilhelm Mohr, David Holzhey
BACKGROUND: Transcatheter mitral valve implantation (TMVI) is still in its infancy and is mainly limited to valve-in-valve or valve-in-ring implantations. We present the early experience with TMVI for severe calcified native MV stenosis. METHODS: Between January 2014 and June 2015, 6 of 11 patients screened (mean age, 77.4 ± 6.3 years; 66% men) with severe native mitral valve (MV) stenosis (mean gradient [Pmean], 11.1 ± 2.1 mm Hg; mean effective orifice area [EOA], 0...
July 28, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28757798/mitral-valve-replacement-current-and-future-perspectives
#6
REVIEW
Johan van der Merwe, Filip Casselman
The favorable outcomes achieved with modern mitral valve repair techniques redefined the role of mitral valve replacement. Various international databases report a significant decrease in replacement procedures performed compared with repairs, and contemporary guidelines limit the application of surgical mitral valve replacement to pathology in which durable repair is unlikely to be achieved. The progressive paradigm shift toward endoscopic and robotic mitral valve surgery is also paralleled by rapid developments in transcatheter devices, which is progressively expanding from experimental approaches to becoming clinical reality...
2017: Open Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28740722/transcatheter-mitral-valve-replacement-an-evolution-of-a-revolution
#7
EDITORIAL
Mohamad Alkhouli, Fahad Alqahtani, Sami Aljohani
No abstract text is available yet for this article.
June 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28697033/ventricular-perforation-during-open-surgical-balloon-expandable-mitral-valve-replacement-a-case-report
#8
Yousef M Hamdeh, Jordan E Goldhammer, Nicholas J Ruggiero, John W Entwistle
A 79-year-old woman with severe mitral annular calcification was scheduled for mitral valve replacement. A SAPIEN 3 valve was implanted in mitral position using an open surgical approach. Immediately after cardiopulmonary bypass, bleeding from an unidentified source was encountered. Cardiopulmonary bypass was emergently resumed and a laceration of the left ventricular apex due to the valve delivery system was detected. Risk factors specific to the open surgical approach include a decompressed ventricle, decreased annulus to apical distance, and the absence of continuous fluoroscopic and echocardiographic imaging...
July 10, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28671805/valvular-heart-disease-in-adults-management-of-native-valve-disease
#9
Xin Zhang, Steven M Hollenberg
Patients with valvular heart disease (VHD) should be treated for diabetes, hypertension, and hyperlipidemia. They also should receive therapy for left ventricular dysfunction, undergo interval echocardiography, and participate in aerobic exercise. Valve replacement should be considered for patients with aortic stenosis (AS) and syncope, presyncope, heart failure, angina, or severe AS with left ventricular dysfunction. Valve replacement is performed with open or transcatheter procedures; the latter are preferred for patients with high surgical risk...
June 2017: FP Essentials
https://www.readbyqxmd.com/read/28668314/percutaneous-closure-of-a-delayed-left%C3%A2-ventricular-pseudoaneurysm-after%C3%A2-transseptal-transcatheter-mitral%C3%A2-valve%C3%A2-replacement
#10
Neal Sawlani, Natalia Berry, Piotr Sobieszczyk, Tsuyoshi Kaneko, Marc Pelletier, Pinak Shah
No abstract text is available yet for this article.
June 21, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28666613/the-economics-of-transcatheter-valve-interventions
#11
REVIEW
Maneesh Sud, Derrick Y Tam, Harindra C Wijeysundera
A subset of patients who require correction of a stenotic or incompetent valve are deemed to be at excessive surgical risk, which precludes surgical repair or replacement. Transcatheter valve interventions are viable alternatives in these patients. However, these technologies are costly, and in the setting of a constrained Canadian health care budget, economic value is an important consideration to allow for fair allocation of scarce resources. Accordingly, we review the economic literature on transcatheter valve interventions, targeting a general audience...
March 25, 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28656784/the-spectrum-of-mitral-valve-pathologies-relevance-for-surgical-and-structural-interventions
#12
Sho Torii, Maria E Romero, Hiroyoshi Mori, Emanuel Harari, Frank D Kolodgie, Aloke V Finn, Renu Virmani
The mitral valve apparatus, both functionally and morphologically is composed of a constellation of individual structures, including the annulus, anterior and posterior leaflets, chordae tendineae, and papillary muscles. Most also include the left ventricular wall and the left atrium which are essential for the valve to function normally. Areas covered: The commonest conditions responsible for mitral valve dysfunction in the Western World are degenerative and functional mitral regurgitation, which are discussed in detail...
July 4, 2017: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/28648426/percutaneous-closure-of-symptomatic-large-tricuspid-paravalvular-regurgitation-using-two-muscular-vsd-occluders
#13
Aritra Mukherji, Rajaram Anantharaman, Raghavan Subramanyan
Paravalvular leaks are common following valve replacement surgery. Majority are benign and do not require any active intervention. However, occasionally severe paravalvular regurgitation can produce heart failure and/or hemolysis, needing closure of the defect. It is more commonly associated with aortic and mitral prosthesis, symptomatic tricuspid paravalvular regurgitation being a rare entity. In this report we present the successful percutaneous transcatheter closure of a large paravalvular tricuspid regurgitation in a 59-year old lady with history of multiple previous operations...
May 2017: Indian Heart Journal
https://www.readbyqxmd.com/read/28636718/trends-and-outcomes-of-off-label-use-of-transcatheter-aortic-valve-replacement-insights-from-the-ncdr-sts-acc-tvt-registry
#14
Ravi S Hira, Sreekanth Vemulapalli, Zhuokai Li, James M McCabe, John S Rumsfeld, Samir R Kapadia, Mahboob Alam, Hani Jneid, Creighton Don, Mark Reisman, Salim S Virani, Neal S Kleiman
Importance: Transcatheter aortic valve replacement (TAVR) was approved by the US Food and Drug Administration for severe aortic stenosis in patients who cannot undergo surgery and for patients at high operative risk. Use of TAVR for off-label indications has not been previously reported. Objective: To evaluate patterns and adverse outcomes of off-label use of TAVR in US clinical practice. Design, Setting and Participants: Patients receiving commercially funded TAVR in the United States are included in the Transcatheter Valve Therapy Registry...
August 1, 2017: JAMA Cardiology
https://www.readbyqxmd.com/read/28606165/pitfalls-in-tamvi-experience-with-the-repositionable-lotus%C3%A2-valve-system
#15
Paul P Heinisch, Fabien Praz, Bernhard Winkler, Stephan Windecker, Christoph Huber, Thierry Carrel
BACKGROUND: Simultaneous transapical implantation of transcatheter heart valves in the native mitral and aortic position may be considered as an alternative to surgical valve replacement in high-risk patients presenting with combined valve disease. CASE PRESENTATION: A 59-year-old female with severe aortic stenosis, severe mitral stenosis with mild mitral insufficiency, persistent atrial fibrillation, severe chronic obstructive pulmonary disease and NYHA class of IV was evaluated by our interdisciplinary heart team...
June 12, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28600091/transcatheter-aortic-valve-replacement-and-mitraclip-to-reverse-heart-failure
#16
REVIEW
Sukhdeep Basra, Molly Szerlip
Valvular heart diseases such as aortic stenosis and mitral regurgitation are often associated with heart failure, which in turn increases patients' Surgical Thoracic Society (STS) score. A high STS score means the patient is high risk for surgical aortic valve replacement and mitral valve repair/replacement. Transcatheter aortic valve replacement and percutaneous mitral valve repair offer a minimally invasive alternative for the treatment of valvular heart disease in patients with severe heart failure. We aim to review the current evidence on the safety, efficacy, and outcomes of these devices in patients with severe heart failure...
July 2017: Interventional cardiology clinics
https://www.readbyqxmd.com/read/28597998/a-novel-mechanical-mitral-valve-replacement-using-sapien-xt
#17
Megan Koehle, Justin A Strote, Mark Guadagnoli, J Bradley Oldemeyer
PATIENT PRESENTATION: We report the case of a 66 year old female who presented to our institution fourteen years after receiving a St. Jude Mechanical Mitral Valve Replacement. She presented in refractory NYHA class IV congestive heart failure with comorbidities of acute renal failure, liver failure, and mental status changes. She was found to have immobility of one of the mitral valve disks with resultant severe mitral stenosis with a mean pressure gradient of 12 mmHg. EVALUATION AND MANAGEMENT: The patient was found to have an STS predicted mortality of 39% with redo surgical MVR, and evaluation by the valve team led to a recommendation of a hybrid surgical and transcatheter procedure...
June 9, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28566474/mitral-valve-repair-for-degenerative-mitral-valve-disease-surgical-approach-patient-selection-and-long-term-outcomes
#18
REVIEW
Gonçalo F Coutinho, Manuel J Antunes
Mitral valve repair (MVRepair) has become the procedure of choice to correct severe degenerative mitral regurgitation (MR), due to its documented superiority to valve replacement regarding long-term survival, freedom from valve-related adverse events and preservation of left ventricular (LV) function. The refinement of MVRepair techniques has rendered almost all valves (more than 95%) amenable to repair with a 15-year freedom from reoperation of 90%. The concept of 'centres of excellence for MVRepair' has emerged, encouraging referring doctors to select the most experienced institutions or individual surgeons to deal with the most complex cases, based on repair volume, appropriate peri-procedural imaging and data regarding expected outcomes (repair, mortality and durability of repair)...
May 31, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28566291/transcatheter-mitral-valve-replacement-with-a-novel-dual-stent-bioprosthesis
#19
Benjamin M Moore, H K Bernard Ng, Christopher Naoum, Lisa Simmons, Bruce L Cartwright, Michael K Wilson, Martin K C Ng
No abstract text is available yet for this article.
June 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28557344/transseptal-transcatheter-mitral-valve-in-valve-a-step-by-step-guide-from-preprocedural-planning-to-postprocedural-care
#20
Mayra Guerrero, Michael Salinger, Amit Pursnani, Paul Pearson, Mark Lampert, Justin Levisay, Hyde Russell, Ted Feldman
Transcatheter mitral valve replacement has been successfully performed with the use of aortic transcatheter heart valves in hundreds of patients worldwide with severe dysfunction of a degenerated mitral bioprosthesis and high surgical risk for repeat operation. The delivery approach in the vast majority of the mitral valve-in-valve procedures has been transapical. Although the transseptal approach may be more technically challenging, it is less invasive and may be preferred by patients. Data from case series and a large international registry suggest that patients treated with transseptal mitral valve-in-valve have faster recovery, more improvement in left ventricular ejection fraction and possibly lower mortality compared with patients treated with transapical approach...
May 30, 2017: Catheterization and Cardiovascular Interventions
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