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https://www.readbyqxmd.com/read/29100646/an-unexpected-risk-factor-for-early-structural-deterioration-of-biological-aortic-valve-prostheses
#1
Carlo Bassano, Valentina Gislao, Emanuele Bovio, Sonia Melino, Ilaria Tropea, Guglielmo Saitto, Marta Pugliese, Dionisio F Colella, Antonio Scafuri, Giovanni Ruvolo
BACKGROUND: An alarming rate of early failure has been recently reported for the LivaNova (previously Sorin) Mitroflow (LivaNova, London, UK) bioprosthesis. Here, we aimed at verifying if this possible underperformance is confirmed in a large, single-center experience and identifying the risk factors associated with early deterioration. METHODS: In all, 459 Mitroflow valves have been implanted from July 2009 to December 2013 (patients' mean age 73 years; 204 women)...
November 1, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29055629/early-prosthetic-valve-dysfunction-due%C3%A2-to%C3%A2-bioprosthetic-valve-thrombosis-the-role-of-echocardiography
#2
Alexander Egbe, Sorin V Pislaru, Mahmoud A Ali, Arooj R Khan, Amber N Boler, Hartzell V Schaff, Emmanuel Akintoye, Heidi M Connolly, Vuyisile T Nkomo, Patricia A Pellikka
OBJECTIVES: The purpose of this study was to review the institutional practice of surveillance transthoracic echocardiography (TTE) for diagnosing early prosthetic valve dysfunction (PVD). BACKGROUND: Bioprosthetic valve thrombosis (BPVT) is an important cause of PVD, and guidelines do not recommend routine TTE during the first 5 years after valve implantation. METHODS: The authors performed a retrospective case-control study of all suspected (imaging diagnosis) or confirmed (histopathological diagnosis) cases of BPVT from January 1997 through December 2016...
October 14, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29049819/treatment-of-a-degenerated-sutureless-sorin-perceval%C3%A2-valve-using-an-edwards-sapien-3
#3
Norman Mangner, David Holzhey, Martin Misfeld, Axel Linke
Valve-in-valve implantation is an alternative to reoperation for patients with degenerated bioprostheses. This case report presents a 75-year-old woman presenting with worsening dyspnoea according New York Heart Association (NYHA) Class III after she had received a Sorin Perceval® S sutureless valve due to severe aortic valve stenosis 5 years ago. Echocardiography revealed a degenerated Perceval valve with severe valvular aortic regurgitation and stenosis. After exclusion of acute infective endocarditis, an Edwards SAPIEN 3 was implanted leading to an immediate haemodynamic improvement...
October 10, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29042007/direct-comparison-of-the-edwards-intuity-elite-and-sorin-perceval-s-rapid-deployment-aortic-valves
#4
Oliver J Liakopoulos, Stephen Gerfer, Simone Weider, Parwis Rahmanian, Mohamed Zeriouh, Kaveh Eghbalzadeh, Anton Sabashnikov, Yeong-Hoon Choi, Jens Wippermann, Thorsten Wahlers
BACKGROUND: Rapid deployment aortic valve replacement (RDAVR) has emerged as an attractive alternative to conventional aortic valve replacement. This single-center study directly compared two commercially available rapid deployment valves with regard to clinical outcomes, valve-related complications, and hemodynamic performance. METHODS: A total of consecutive 156 patients underwent RDAVR with the Intuity Elite (Edwards Lifesciences, Irvine, CA [Intuity group, n = 117] or the Perceval S (Sorin Group Italia Srl, Saluggia, Italy [Perceval group, n = 39]) between September 2012 and March 2016 at our institution...
October 14, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29029001/comparative-study-of-bicuspid-vs-tricuspid-aortic-valve-stenosis
#5
Geoffrey D Huntley, Jeremy J Thaden, Said Alsidawi, Hector I Michelena, Joseph J Maleszewski, William D Edwards, Christopher G Scott, Sorin V Pislaru, Patricia A Pellikka, Kevin L Greason, Naser M Ammash, Joseph F Malouf, Maurice Enriquez-Sarano, Vuyisile T Nkomo
Aims: To examine differences and similarities in bicuspid aortic valve (BAV) and tricuspid aortic valve (TAV) stenosis occurring during the same age and whether any differences impact outcomes following aortic valve replacement (AVR). Methods and results: An age-matched cohort of 198 BAV stenosis and 198 TAV stenosis patients was identified from 888 consecutive patients undergoing AVR for severe AS. Mean age 68 ± 6 years; 68% male. Patients with BAV were less likely to have multiple comorbidities, as measured by the Charlson Comorbidity Index (CCI) >2 (3 vs...
October 3, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28982556/early-outcomes-of-percutaneous-transvenous-transseptal-transcatheter-valve-implantation-in-failed-bioprosthetic-mitral-valves-ring-annuloplasty-and%C3%A2-severe-mitral-annular-calcification
#6
Mackram F Eleid, Brian K Whisenant, Allison K Cabalka, Mathew R Williams, Mohammed Nejjari, David Attias, Neil Fam, Nicholas Amoroso, Thomas A Foley, Peter M Pollak, Oluseun O Alli, Sorin V Pislaru, Sameh M Said, Joseph A Dearani, Charanjit S Rihal
OBJECTIVES: The aim of this study was to examine 1-year outcomes of transseptal balloon-expandable transcatheter heart valve implantation in failed mitral bioprosthesis, ring annuloplasty, and mitral annular calcification (MAC). BACKGROUND: Immediate outcomes following transseptal mitral valve implantation in failed bioprostheses are favorable, but data on subsequent outcomes are lacking. METHODS: Percutaneous transseptal implantation of balloon-expandable transcatheter heart valves was performed in 87 patients with degenerated mitral bioprostheses (valve in valve [VIV]) (n = 60), previous ring annuloplasty (valve in ring) (n = 15), and severe MAC (valve in MAC) (n = 12)...
October 9, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28964416/the-prevalence-of-patient-prosthesis-mismatch-can-be-reduced-using-the-trifecta-aortic-prosthesis
#7
Daniel Hernandez-Vaquero, Rocio Diaz, Isaac Pascual, Jose Rozado, Jesus M De la Hera, Victor Leon, Pablo Avanzas, Maria Martín, Daniel García-Iglesias, David Calvo, Jacobo Silva, César Moris
BACKGROUND: Some important studies have shown that patient-prosthesis mismatch is a frequent occurrence after surgical aortic valve replacement that impairs survival. The Trifecta valve (St. Jude Medical Inc, St. Paul, MN) has special architecture designed to achieve the best hemodynamic profile. The aim of this study was to determine the prevalence of mismatch when using this prosthesis. METHODS: This study included 1,302 patients at 3 months postoperatively, 339 patients with a Trifecta prosthesis and 963 patients (the control group) with a Mitroflow aortic valve (Sorin Group Inc, Mitroflow Division, Vancouver, Canada)...
September 27, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28905517/the-prognostic-significance-of-tricuspid-valve-regurgitation-in-pulmonary-arterial-hypertension
#8
Libo Chen, Carolyn M Larsen, Rachel J Le, Heidi M Connolly, Sorin V Pislaru, Joseph G Murphy, Michael D McGoon, Robert P Frantz, Garvan C Kane
INTRODUCTION: Tricuspid valve regurgitation (TR) is a frequent finding in patients with pulmonary arterial hypertension (PAH). However, its prognostic significance and relation to PAH, while suspected, are poorly understood. We assessed 727 consecutive patients with newly diagnosed PAH who underwent transthoracic echocardiographic evaluation of tricuspid valve function. OBJECTIVES: The study objective was to determine the association of TR presence and severity with patient characteristics, pulmonary artery hemodynamics, and outcome...
September 14, 2017: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28890465/hemodynamics-of-pericardial-aortic-valves-contemporary-stented-versus-stentless-valves-in-a-matched-comparison
#9
Torsten Christ, Sebastian Holinski, Konstantin Zhigalov, Christina Barbara Zielinski, Herko Grubitzsch
PURPOSE: Hemodynamic performance of aortic valve bioprostheses is essential for reliable function and durability. So far, the supra-annularly implanted stentless Sorin Freedom Solo (SFS) demonstrated unsurpassed hemodynamic properties. As contemporary stented and externally mounted pericardial bioprostheses, like the Labcor Dokimos Plus (LDP), also improve hemodynamic performance, these types of valves were compared in this study. METHODS: A total of 218 patients, who underwent aortic valve replacement with the LDP or the SFS, were matched retrospectively 1:1 on variables affecting hemodynamic measurements: implanted valve size, age, sex, and body surface area (BSA)...
September 8, 2017: Annals of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28822668/intrinsic-wave-propagation-of-myocardial-stretch-a-new-tool-to-evaluate-myocardial-stiffness-a-pilot-study-in-patients-with-aortic-stenosis-and-mitral-regurgitation
#10
Cristina Pislaru, Mahmoud M Alashry, Jeremy J Thaden, Patricia A Pellikka, Maurice Enriquez-Sarano, Sorin V Pislaru
BACKGROUND: Left ventricular (LV) filling following atrial contraction generates LV myocardial stretch that propagates from base to apex with a speed proportional to myocardial elasticity. The aim of this study was to test the hypothesis that intrinsic velocity propagation of myocardial stretch (iVP) would be altered in patients with valvular disease and chronic LV pressure overload or volume overload, which may adversely affect mechanical properties of the LV tissue. A second aim was to compare iVP with flow propagation velocity in the chamber...
August 16, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/28820553/is-transcatheter-tricuspid-valve-in-valve-implantation-feasible-in-the-presence-of-right-atrial-thrombus
#11
Jan Henzel, Zofia Dzielińska, Marek Konka, Maciej Dąbrowski, Marcin Protasiewicz, Adam Witkowski, Marcin Demkow
The case is reported of a successful transcatheter implantation of an Edwards SAPIEN 3 valve (29 mm) into a failing tricuspid bioprosthesis (Sorin Pericarbon, 31 mm). The procedure was performed in a 69-year-old woman with post-rheumatic mitral and tricuspid valve disease. Multiple previous cardiac surgeries precluded the use of another surgical approach. A large, organized, two-piece thrombus in the enlarged right atrium was not considered an absolute contraindication to the procedure. The SAPIEN 3 valve was implanted under general anesthesia, via a femoral venous access, under three-dimensional transesophageal echocardiography guidance...
March 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28766839/techniques-and-outcomes-of-paravalvular-leak-repair-after-transcatheter-aortic-valve-replacement
#12
Thomas M Waterbury, Guy S Reeder, Sorin V Pislaru, Allison K Cabalka, Charanjit S Rihal, Mackram F Eleid
OBJECTIVES: To investigate the feasibility, procedural success, and outcomes of paravalvular leak (PVL) closure in patients with prior transcatheter aortic valve replacement (TAVR). BACKGROUND: PVL after TAVR is associated with adverse patient outcomes and increased mortality. Percutaneous PVL closure has emerged as a therapeutic strategy for addressing this issue, but data for transcatheter PVL repair after TAVR remains limited. METHODS: This is a single center retrospective review of PVL closure after TAVR...
August 2, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28763463/recellularization-of-a-novel-off-the-shelf-valve-following-xenogenic-implantation-into-the-right-ventricular-outflow-tract
#13
Ryan S Hennessy, Jason L Go, Rebecca R Hennessy, Brandon J Tefft, Soumen Jana, Nicholas J Stoyles, Mohammed A Al-Hijji, Jeremy J Thaden, Sorin V Pislaru, Robert D Simari, John M Stulak, Melissa D Young, Amir Lerman
Current research on valvular heart repair has focused on tissue-engineered heart valves (TEHV) because of its potential to grow similarly to native heart valves. Decellularized xenografts are a promising solution; however, host recellularization remains challenging. In this study, decellularized porcine aortic valves were implanted into the right ventricular outflow tract (RVOT) of sheep to investigate recellularization potential. Porcine aortic valves, decellularized with sodium dodecyl sulfate (SDS), were sterilized by supercritical carbon dioxide (scCO2) and implanted into the RVOT of five juvenile polypay sheep for 5 months (n = 5)...
2017: PloS One
https://www.readbyqxmd.com/read/28751436/a-striking-image-of-spontaneous-echo-contrast-in-severe-mitral-stenosis-in-a-patient-with-good-international-normalised-ratio-inr-control
#14
Daniel A Jeffery, Guy Lloyd, Arjun K Ghosh
No abstract text is available yet for this article.
September 2017: Echo Research and Practice
https://www.readbyqxmd.com/read/28711585/global-outbreak-of-severe-mycobacterium-chimaera-disease-after-cardiac-surgery-a-molecular-epidemiological-study
#15
Jakko van Ingen, Thomas A Kohl, Katharina Kranzer, Barbara Hasse, Peter M Keller, Anna Katarzyna Szafrańska, Doris Hillemann, Meera Chand, Peter Werner Schreiber, Rami Sommerstein, Christoph Berger, Michele Genoni, Christian Rüegg, Nicolas Troillet, Andreas F Widmer, Sören L Becker, Mathias Herrmann, Tim Eckmanns, Sebastian Haller, Christiane Höller, Sylvia B Debast, Maurice J Wolfhagen, Joost Hopman, Jan Kluytmans, Merel Langelaar, Daan W Notermans, Jaap Ten Oever, Peter van den Barselaar, Alexander B A Vonk, Margreet C Vos, Nada Ahmed, Timothy Brown, Derrick Crook, Theresa Lamagni, Nick Phin, E Grace Smith, Maria Zambon, Annerose Serr, Tim Götting, Winfried Ebner, Alexander Thürmer, Christian Utpatel, Cathrin Spröer, Boyke Bunk, Ulrich Nübel, Guido V Bloemberg, Erik C Böttger, Stefan Niemann, Dirk Wagner, Hugo Sax
BACKGROUND: Since 2013, over 100 cases of Mycobacterium chimaera prosthetic valve endocarditis and disseminated disease were notified in Europe and the USA, linked to contaminated heater-cooler units (HCUs) used during cardiac surgery. We did a molecular epidemiological investigation to establish the source of these patients' disease. METHODS: We included 24 M chimaera isolates from 21 cardiac surgery-related patients in Switzerland, Germany, the Netherlands, and the UK, 218 M chimaera isolates from various types of HCUs in hospitals, from LivaNova (formerly Sorin; London, UK) and Maquet (Rastatt, Germany) brand HCU production sites, and unrelated environmental sources and patients, as well as eight Mycobacterium intracellulare isolates...
October 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28702479/image-quality-and-contrast-agent-exposure-in-cardiac-computed-tomography-angiography-prior-to-transcatheter-aortic-valve-implantation-procedures-using-different-acquisition-protocols
#16
Nina P Hofmann, Moritz Schuetz, Raffi Bekeredjian, Sven Pleger, Emanuel Chorianopoulos, Sorin Giusca, Florian André, Gitsios Gitsioudis, Christopher Schlett, Hans-Ulrich Kauczor, Hugo A Katus, Grigorios Korosoglou
BACKGROUND: ECG-gated cardiac computed tomography angiography (CCTA) has found widespread use for prosthesis sizing before transcatheter aortic valve implantation (TAVI). However, still little data exists on the optimal scan-strategy in such patients. We hypothesized that prospectively triggered CCTA can enable the visualization of aortic valve structures and peripheral arteries with lower radiation and contrast agent exposure in patients considered for TAVI compared to retrospectively gated protocols...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/28683983/sutureless-sorin-perceval-aortic-valve-implantation
#17
REVIEW
Steffen Pfeiffer, Theodor Fischlein, Giuseppe Santarpino
The sutureless Perceval aortic valve (Sorin Group, Saluggia, Italy) is a device increasingly used in many European cardiac surgery centers. Since the first reports evaluating implantation feasibility and valve safety in humans in 2007, an increasing amount of data have become available, including premarketing clinical results and experience in particular conditions. Overall, excellent performances have been demonstrated in hemodynamic outcomes, safety, and versatility of use. However, several questions remain unanswered, especially regarding long-term durability, risk for endocarditis, and the need for postoperative pacemaker implantation...
April 2017: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28669505/bioprosthetic-valve-fracture-to-facilitate-transcatheter-valve-in-valve-implantation
#18
Keith B Allen, Adnan K Chhatriwalla, David J Cohen, John T Saxon, Sanjeev Aggarwal, Anthony Hart, Suzanne Baron, J Russell Davis, Alex F Pak, Danny Dvir, A Michael Borkon
BACKGROUND: Valve-in-valve transcatheter aortic valve replacement is less effective in small surgical bioprostheses. We evaluated the feasibility of bioprosthetic valve fracture with a high-pressure balloon to facilitate valve-in-valve transcatheter aortic valve replacement. METHODS: In vitro bench testing on aortic tissue valves was performed on 19-mm and 21-mm Mitroflow (Sorin, Milan, Italy), Magna and Magna Ease (Edwards Lifesciences, Irvine, CA), Trifecta and Biocor Epic (St...
November 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28592789/are-sutureless-aortic-valves-suitable-for-severe-high-risk-patients-suffering-from-active-infective-aortic-valve-endocarditis
#19
Alexander Weymann, Johanna Konertz, Michael Laule, Karl Stangl, Pascal M Dohmen
BACKGROUND Sutureless aortic valves were introduced to facilitate minimally invasive aortic valve surgery. Since sutureless aortic valves are a feasible procedure, we evaluated if any benefits could be identified in severe high-risk patients with active infective endocarditis of the aortic valve. MATERIAL AND METHODS Between April 2014 and April 2015, a total of 42 patients received a sutureless Perceval® aortic valve (Sorin Biomedica Cardio Srl, Saluggia, Italy) for different indications. Nine of these patients (median age 71 years, range 47-83 years) suffered from active infective endocarditis, including four patients with prosthetic aortic valve endocarditis...
June 8, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28579239/not-all-immobile-bioprosthetic-valve-cusps-are-thrombosed
#20
Thomas M Waterbury, Claire E Raphael, Ratnasari Padang, Mackram F Eleid, David R Holmes, Charanjit S Rihal, Sorin V Pislaru
No abstract text is available yet for this article.
May 24, 2017: JACC. Cardiovascular Interventions
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