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Right ventricular outflow tract stenting

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https://www.readbyqxmd.com/read/27888571/melody-valve-implantation-within-freestyle-stentless-porcine-aortic-heterograft
#1
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
#2
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
#3
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
#4
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
#5
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...
August 22, 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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
https://www.readbyqxmd.com/read/26152363/medium-term-ct-evaluation-of-stent-geometry-integrity-and-valve-function-of-the-edwards-sapien-transcatheter-heart-valve-in-the-pulmonary-position
#13
Brieann Muller, Hani Ghawi, Mary G Heitschmidt, Louis Fogg, John Hibbeln, Ziyad M Hijazi, Damien Kenny
OBJECTIVE: Distortion of transcatheter heart valve (THV) stent shape and morphology has been shown to impact on THV function. This study sought to evaluate the relationship between geometrical CT follow-up data and consequent valve function in patients undergoing transcatheter pulmonary valve replacement with the Edwards SAPIEN THV. METHODS: All patients were enrolled in the COMPASSION trial. Multidetector computed tomography (MDCT) was performed as part of the study protocol at 6 months and yearly thereafter following valve implantation...
February 15, 2016: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/26111746/surgical-management-of-vascular-stents-in-pediatric-cardiac-surgery-clues-for-a-staged-partnership
#14
Juan-Miguel Gil-Jaurena, José-Luis Zunzunegui, Ramón Pérez-Caballero, Ana Pita, María-Teresa González-López, Fernando Ballesteros, Alejandro Rodríguez, Constancio Medrano
Complex cases undergo step surgical and percutaneous procedures, including stent deployment. Concerns arise on stent removal at latest surgery. Our initial experience is presented. Forty-six stents in 35 patients were partially or totally removed at surgery. Univentricular heart was diagnosed in 20 patients. Stents were previously deployed in: ductus (6), right ventricle outflow tract (12), atrial septal defect (4), right pulmonary artery (4), left pulmonary artery (16), inferior vena cava (2), superior vena cava (1) and ascending aorta (1)...
December 2015: Pediatric Cardiology
https://www.readbyqxmd.com/read/26088820/percutaneous-pulmonary-valve-implantation-with-the-venus-p-valve-clinical-experience-and-early-results
#15
Worakan Promphan, Pimpak Prachasilchai, Suvipaporn Siripornpitak, Shakeel A Qureshi, Thanarat Layangool
BACKGROUND: At present, the exclusion for percutaneous pulmonary valve implantation for free pulmonary regurgitation after tetralogy of Fallot repair includes an unfavourably large right ventricular outflow tract. OBJECTIVE: To report feasibility and early experience with a recently developed transcatheter heart valve, Venus P-valveTM, implanted in six patients with severe pulmonary regurgitation with large right ventricular outflow tracts. Patients There were two female patients and four male patients...
April 2016: Cardiology in the Young
https://www.readbyqxmd.com/read/26028663/transcatheter-pulmonary-valve-implantation-in-patients-with-right-ventricular-outflow-tract-dysfunction-early-and-mid-term-results
#16
Elżbieta Katarzyna Biernacka, Witold Rużyłło, Marcin Demkow, Mirosław Kowalski, Mateusz Śpiewak, Walerian Piotrowski, Mariusz Kuśmierczyk, Sławomir Banaś, Jacek Różanski, Piotr Hoffman
OBJECTIVE: The aim of this study was to determine early and long-term results after transcatheter pulmonary valve implantation (TPVI) performed with the use of Medtronic Melody and Edwards Sapien valves in patients with full conduit or patched right ventricular outflow tract (RVOT) dysfunction. METHODS AND RESULTS: The study comprised 40 consecutive patients (full conduit, n = 25; RVOT patch, n = 15) who underwent TPVI between December 2008 and April 2012. TPVI was successfully performed in 37 patients (92...
June 2015: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/26025972/systemic-aspergilloma-post-aortic-root-surgery-following-coronary-artery-stenting-diagnostic-and-management-dilemma
#17
REVIEW
Nabil Hussein, Sombul Qamar, Qamar Abid
Aspergillus infections such as Aspergillus endocarditis were once relatively rare occurrences, however, due to the increased use of intracardiac devices, the incidence has grown. With mortality rates close to 100%, in medically treated cases, it is paramount that early diagnosis and treatment are performed. An immunocompetent aviculturist presented 8 months post aortic root replacement for severe aortic regurgitation with a composite graft, with central crushing chest pain. Investigations confirmed ST elevation inferior myocardial infarction due to stenosis of the origin of the right coronary artery, which was stented...
2015: BMJ Case Reports
https://www.readbyqxmd.com/read/26011685/implantation-of-a-29-mm-sapien-xt-valve-in-a-pediatric-patient-with-an-unstented-right-ventricular-outflow-tract
#18
Abraham Rothman, Alvaro Galindo, William N Evans
We describe a 29 mm Sapien XT valve implantation in a 10-year-old girl with repaired Tetralogy of Fallot, severe pulmonary regurgitation, and right ventricular dilatation, using the NovaFlex+ delivery system and the expandable introducer eSheath, without pre-stenting of the right ventricular outflow tract.
November 15, 2015: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/25990981/stenting-of-native-right-ventricular-outflow-tract-obstructions-in-symptomatic-infants
#19
MULTICENTER STUDY
Harald Bertram, Mathias Emmel, Peter Ewert, Jochen Grohmann, Nikolaus A Haas, Christian Jux, Hans Gerd Kehl, Erwin Kitzmüller, Oliver Kretschmar, Götz Müller, Walter Wiebe
OBJECTIVE: To assess feasibility, safety and effectiveness of right ventricular outflow tract (RVOT) stenting in symptomatic young infants. METHODS: Multicentre evaluation of 35 patients intended to undergo RVOT stenting in 11 pediatric cardiac centres from 2009 to August 2011. RESULTS: Median age and weight at the time of first stent implantation were 8 weeks and 3.3 kg, with 40% of patients <3 kg. A total of 19 patients had suffered from hypoxemic spells, 8 patients were ventilated, 6 on inotropic support and 5 on prostaglandin infusion...
June 2015: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/25944758/clinical-and-hemodynamic-outcomes-up-to-7-years-after-transcatheter-pulmonary-valve-replacement-in-the-us-melody-valve-investigational-device-exemption-trial
#20
John P Cheatham, William E Hellenbrand, Evan M Zahn, Thomas K Jones, Darren P Berman, Julie A Vincent, Doff B McElhinney
BACKGROUND: Studies of transcatheter pulmonary valve (TPV) replacement with the Melody valve have demonstrated good short-term outcomes, but there are no published long-term follow-up data. METHODS AND RESULTS: The US Investigational Device Exemption trial prospectively enrolled 171 pediatric and adult patients (median age, 19 years) with right ventricular outflow tract conduit obstruction or regurgitation. The 148 patients who received and were discharged with a TPV were followed up annually according to a standardized protocol...
June 2, 2015: Circulation
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