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Right ventricular outflow tract stenting

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https://www.readbyqxmd.com/read/28296032/right-ventricular-remodelling-after-transcatheter-pulmonary-valve-implantation
#1
Efstathios D Pagourelias, Ana M Daraban, Razvan O Mada, Jürgen Duchenne, Oana Mirea, Bjorn Cools, Ruth Heying, Derize Boshoff, Jan Bogaert, Werner Budts, Marc Gewillig, Jens-Uwe Voigt
OBJECTIVES: To define the optimal timing for percutaneous pulmonary valve implantation (PPVI) in patients with severe pulmonary regurgitation (PR) after Fallot's Tetralogy (ToF) correction. BACKGROUND: PPVI among the aforementioned patients is mainly driven by symptoms or by severe right ventricular (RV) dilatation/dysfunction. The optimal timing for PPVI is still disputed. METHODS: Twenty patients [age 13.9 ± 9.2 years, (range 4.3-44...
March 15, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28248409/immediate-and-long-term-outcomes-of-percutaneous-transcatheter-pulmonary-valve-implantation
#2
Roland Fiszer, Paweł Dryżek, Małgorzata Szkutnik, Sebastian Góreczny, Alexandra Krawczuk, Jadwiga Moll, Tomasz Moszura, Szymon Pawlak, Jacek Białkowski
BACKGROUND: Transcutaneous pulmonary valve replacement (TPVR) has become an alternative to heart surgery for patients after previous right ventricular outflow tract (RVOT) or pulmonary artery (PA) surgical interventions. The objective was to present immediate and long-term outcomes of transcutaneous pulmonary valve replacement. METHODS: Between 06/2009 and 06/2016, 46 patients underwent TPVR. Initial diagnoses included tetralogy of Fallot, common arterial trunk, transposition of great arteries post Rastelli correction, left ventricle outflow obstruction after Ross operation, pulmonary atresia, and isolated dysplastic pulmonary valve stenosis...
March 1, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28163423/mechanism-of-valve-failure-and-efficacy-of-reintervention-through-catheterization-in-patients-with-bioprosthetic-valves-in-the-pulmonary-position
#3
Ryan Callahan, Lisa Bergersen, Christopher W Baird, Diego Porras, Jesse J Esch, James E Lock, Audrey C Marshall
BACKGROUND: Surgical and transcatheter bioprosthetic valves (BPVs) in the pulmonary position in patients with congenital heart disease may ultimately fail and undergo transcatheter reintervention. Angiographic assessment of the mechanism of BPV failure has not been previously described. AIMS: The aim of this study was to determine the mode of BPV failure (stenosis/regurgitation) requiring transcatheter reintervention and to describe the angiographic characteristics of the failed BPVs and report the types and efficacy of reinterventions...
January 2017: Annals of Pediatric Cardiology
https://www.readbyqxmd.com/read/28163422/transcatheter-pulmonary-valve-perforation-using-chronic-total-occlusion-wire-in-pulmonary-atresia-with-intact-ventricular-septum
#4
Shweta Bakhru, Shilpa Marathe, Manish Saxena, Sudeep Verma, Rajan Saileela, Tapan K Dash, Nageswara Rao Koneti
BACKGROUND: Perforation of pulmonary valve using radiofrequency ablation in pulmonary atresia with intact ventricular septum (PA IVS) is a treatment of choice. However, significant cost of the equipment limits its utility, especially in the developing economies. OBJECTIVE: To assess the feasibility, safety, and efficacy of perforation of pulmonary valve using chronic total occlusion (CTO) wires in patients with PA IVS as an alternative to radiofrequency ablation...
January 2017: Annals of Pediatric Cardiology
https://www.readbyqxmd.com/read/28145041/first-in-human-experience-of-a-new-self-expandable-percutaneous-pulmonary-valve-implantation-using-knitted-nitinol-wire-and-tri-leaflet-porcine-pericardial-valve-in-the-native-right-ventricular-outflow-tract
#5
Gi Beom Kim, Bo Sang Kwon, Hong Gook Lim
Balloon-expandable percutaneous pulmonary valve systems using the Melody and Edwards SAPIEN transcatheter heart valves have been increasingly used instead of surgically implantable pulmonary valves. However, limited patients with right ventricular outflow tract (RVOT) lesions are suitable candidates for percutaneous pulmonary valve implantation (PPVI) using these systems after surgical correction of tetralogy of Fallot. Therefore, larger self-expandable valved-stents are being developed for native RVOT lesions...
April 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28044989/surgical-mitral-valve-replacement-with-the-melody-valve-in-infants-and-children-the-italian-experience
#6
Alessandro Frigiola, Francesca Romana Pluchinotta, Antonio Saracino, Alessandro Giamberti, Carmelo Arcidiacono, Luciane Piazza, Matteo Reali, Gianfranco Butera, Alessandro Varrica, Mario Carminati
AIMS: Paediatric patients with mitral valve (MV) disease have limited options for prosthetic MV replacement. Based on long experience with the stented bovine jugular vein graft (Melody valve) in the right ventricular outflow tract, we aimed to test the use of the Melody valve as a surgical implant in the mitral position in a small group of infants with congenital mitral disease. METHODS AND RESULTS: Eight patients, aged from 3 months to 6.2 years, with congenital MV dysplasia underwent Melody valve implantation in the mitral position between March 2014 and October 2015...
April 20, 2017: EuroIntervention
https://www.readbyqxmd.com/read/27965299/right-ventricular-outflow-tract-stenting-the-ideal-palliative-option-in-the-management-of-high-risk-cyanotic-infants-with-tetralogy-of-fallot
#7
EDITORIAL
Andrew C Glatz
No abstract text is available yet for this article.
December 2016: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/27965298/right-ventricular-outflow-tract-stenting-in-tetralogy-of-fallot-infants-with-risk-factors-for-early-primary-repair
#8
Juan Pablo Sandoval, Rajiv R Chaturvedi, Lee Benson, Gareth Morgan, Glen Van Arsdell, Osami Honjo, Christopher Caldarone, Kyong-Jin Lee
BACKGROUND: Tetralogy of Fallot with cyanosis requiring surgical repair in early infancy reflects poor anatomy and is associated with more clinical instability and longer hospitalization than those who can be electively repaired later. We bridged symptomatic infants with risk factors for early primary repair by right ventricular outflow tract stenting (stent). METHODS AND RESULTS: Four groups of tetralogy of Fallot with confluent central pulmonary arteries were studied: stent group (n=42), primary repair (aged <3 months) with pulmonary stenosis (early-PS group; n=44), primary repair (aged <3 months) with pulmonary atresia (early-PA group; n=49), and primary repair between 3 and 11 months of age (surg>3mo group; n=45)...
December 2016: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/27888571/melody-valve-implantation-within-freestyle-stentless-porcine-aortic-heterograft
#9
James A Kuo, Ashlea A Feezel, Traci N Putnam, Deborah A Schutte
BACKGROUND: The Melody transcatheter pulmonary valve has been implanted successfully worldwide since its first implant in 2000. The vast majority of these valves have been implanted in pulmonary homografts. In our institution, the most common valve used for pulmonary valve replacement is the Medtronic Freestyle stentless porcine aortic heterograft. OBJECTIVE: We describe our experience implanting the Melody valve within the Freestyle heterograft. METHODS: Retrospective chart review was performed...
November 26, 2016: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/27864470/percutaneous-pulmonary-valve-implantation-in-the-native-right-ventricular-outflow-tract-using-a-29-mm-edwards-sapien-3-valve
#10
Patcharapong Suntharos, Lourdes R Prieto
Percutaneous pulmonary valve implantation is now an acceptable treatment option. The Edwards SAPIEN valve, intended for transcatheter aortic valve implantation, has been used in patients whose landing zone diameter is >22 to 24 mm which is not suitable for Melody valve. We report a patient in whom we successfully placed the latest generation, Edwards SAPIEN 3 (ES3) in the pulmonary position. However, because of the short covered portion of this valve, there was a significant paravalvular leak through the stent struts requiring implantation of a second ES3 valve...
November 18, 2016: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/27832845/predictors-of-permanent-pacemaker-implantation-after-transcatheter-aortic-valve-replacement-with-the-sapien-3
#11
Victor Mauri, Andreas Reimann, Daniel Stern, Maximilian Scherner, Elmar Kuhn, Volker Rudolph, Stephan Rosenkranz, Kaveh Eghbalzadeh, Kai Friedrichs, Thorsten Wahlers, Stephan Baldus, Navid Madershahian, Tanja K Rudolph
OBJECTIVES: The aim of this study was to identify predictors of permanent pacemaker implantation (PPMI) following transcatheter aortic valve replacement (TAVR) with a balloon-expandable transcatheter valve (Edwards SAPIEN 3). BACKGROUND: New-onset conduction disturbances requiring PPMI remain a major concern following TAVR. Predictors are not yet well defined. METHODS: The influence of angiographic implantation depth, device landing zone calcium volume, oversizing, pre- and post-dilation, and baseline conduction disturbances on PPMI rate was analyzed in 229 patients undergoing TAVR with the SAPIEN 3 device...
November 14, 2016: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/27625692/right-ventricular-outflow-tract-stenting-in-double-outlet-right-ventricle-with-critical-pulmonary-stenosis-and-hypoplastic-pulmonary-arteries
#12
Ewelina Kwaśniak, Ireneusz Haponiuk, Maciej Chojnicki, Radosław Jaworski, Aneta Szofer-Sendrowska, Mariusz Steffens
No abstract text is available yet for this article.
2016: Postępy W Kardiologii Interwencyjnej, Advances in Interventional Cardiology
https://www.readbyqxmd.com/read/27549228/performance-of-stented-biological-valves-for-right-ventricular-outflow-tract-reconstruction
#13
Christian Buchholz, Andreas Mayr, Ariawan Purbojo, Martin Glöckler, Okan Toka, Robert A Cesnjevar, André Rüffer
OBJECTIVES: This retrospective single-centre review presents mid- and long-term results of stented biological valves (SBVs) in the pulmonary position. METHODS: Fifty-two SBVs (17 Carpentier-Edwards Supraannular; 13 Carpentier-Edwards Perimount; 12 St. Jude Medical Trifecta; 4 Sorin Mitroflow; 4 Sorin Soprano; 2 Sorin More) were implanted between 2000 and 2015. The median valve size, patient age and weight were 23 mm (range 19-27), 22.8 years (range 5-77) and 62...
December 2016: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/27246262/management-of-a-dissection-of-matrix-p-right-ventricular-to-pulmonary-artery-conduit-by-implanting-two-pre-stents-and-a-melody-valve
#14
Joanna Nozynska, Brigitte Stiller, Jochen Grohmann
Reconstructing the right ventricular outflow tract and pulmonary valve via a bovine-derived valve conduit such as Matrix-P-Xenograft is a common surgical repair technique for pulmonary atresia and ventricular septal defect. After conduit degeneration due to calcification or aneurysmal dilatation, percutaneous transvenous stenting of the right ventricular outflow tract followed by pulmonary valve implantation has become the standard interventional treatment. Applied to stenotic conduits, the method is considered safe and effective...
June 1, 2016: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/26939749/transcatheter-stenting-of-the-right-ventricular-outflow-tract-augments-pulmonary-arterial-growth-in-symptomatic-infants-with-right-ventricular-outflow-tract-obstruction-and-hypercyanotic-spells
#15
Eimear McGovern, Conall T Morgan, Paul Oslizlok, Damien Kenny, Kevin P Walsh, Colin J McMahon
We retrospectively reviewed all the children with right ventricular outflow tract obstruction, hypoplastic pulmonary annulus, and pulmonary arteries who underwent stenting of the right ventricular outflow tract for hypercyanotic spells at our institution between January, 2008 and December, 2013; nine patients who underwent cardiac catheterisation at a median age of 39 days (range 12-60 days) and weight of 3.6 kg (range 2.6-4.3 kg) were identified. The median number of stents placed was one stent (range 1-4)...
October 2016: Cardiology in the Young
https://www.readbyqxmd.com/read/26865850/right-ventricular-outflow-tract-stenting-effective-palliation-for-fallot-s-tetralogy
#16
J Bugeja, V Grech, J V DeGiovanni
No abstract text is available yet for this article.
July 2015: Images in Paediatric Cardiology
https://www.readbyqxmd.com/read/26527499/development-of-a-novel-hybrid-strategy-for-transcatheter-pulmonary-valve-placement-in-patients-following-transannular-patch-repair-of-tetralogy-of-fallot
#17
Alistair B M Phillips, Phillip Nevin, Avni Shah, Vincent Olshove, Ruchira Garg, Evan M Zahn
BACKGROUND: Transcatheter pulmonary valve replacement (tPVR) is an accepted therapy for treatment of dysfunctional right ventricular outflow tract (RVOT) conduits. At present, the majority of Fallot patients who undergo transannular patch (TAP) repair are not candidates for tPVR due to the large irregular nature of their RVOT. Herein, we describe a novel approach to assessing the RVOT in this group, which may then be used to design, test, and carry out hybrid RVOT modification and transcatheter valve implantation in this population...
February 15, 2016: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/26423185/transcatheter-pulmonary-valve-replacement-state-of-the-art
#18
REVIEW
Ralf J Holzer, Ziyad M Hijazi
BACKGROUND: The number of patients undergoing transcatheter pulmonary valve replacement has been steadily increasing, resulting in many research projects focusing on this patient population. This has highlighted the need to summarize the currently available data. METHODS: A review of the literature was conducted and the results summarized. RESULTS: At present, the two commercially available valves approved for transcatheter pulmonary valve replacement include the Edwards Sapien valve and the Medtronic Melody valve...
January 1, 2016: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/26323890/improving-the-accuracy-of-effective-orifice-area-assessment-after-transcatheter-aortic-valve-replacement-validation-of-left-ventricular-outflow-tract-diameter-and-pulsed-wave-doppler-location-and-impact-of-three-dimensional-measurements
#19
RANDOMIZED CONTROLLED TRIAL
Omar K Khalique, Nadira B Hamid, Susheel K Kodali, Tamim M Nazif, Leo Marcoff, Jean-Michel Paradis, Mathew R Williams, Torsten P Vahl, Isaac George, Martin B Leon, Rebecca T Hahn
BACKGROUND: Echocardiographic calculation of effective orifice area (EOA) after transcatheter aortic valve replacement is integral to the assessment of transcatheter heart valve (THV) function. The aim of this study was to determine the most accurate method for calculating the EOA of the Edwards SAPIEN and SAPIEN XT THVs. METHODS: One hundred intraprocedural transesophageal echocardiograms were analyzed. To calculate the post-transcatheter aortic valve replacement left ventricular outflow tract (LVOT) stroke volume (SV), four diameters were measured using two-dimensional echocardiography: (1) baseline LVOT diameter (LVOTd_PRE), (2) postimplantation LVOT diameter, (3) native aortic annular diameter, and (4) THV in-stent diameter...
November 2015: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/26190388/transcatheter-pulmonary-valve-replacement-for-right-ventricular-outflow-tract-conduit-dysfunction-after-the-ross-procedure
#20
Matthew J Gillespie, Doff B McElhinney, Jacqueline Kreutzer, William E Hellenbrand, Howaida El-Said, Peter Ewert, John F Rhodes, Lars Søndergaard, Thomas K Jones
BACKGROUND: Right ventricular outflow tract (RVOT) conduit dysfunction is a limitation of the Ross procedure. Transcatheter pulmonary valve replacement (TPVR) could alter the impact of conduit dysfunction and the risk-benefit balance for the Ross procedure. METHODS: Retrospective review of databases from 3 prospective Melody TPV (Medtronic Inc, Minneapolis, MN) trials. RESULTS: Among 358 patients who were catheterized with the intent to implant a Melody TPV for RVOT conduit stenosis or regurgitation (PR) as part of 3 prospective multicenter studies, 67 (19%) had a prior Ross procedure...
September 2015: Annals of Thoracic Surgery
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