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https://www.readbyqxmd.com/read/27645969/perceval-sutureless-valve-dysfunction-caused-by-valvular-thrombosis
#1
Andreas Vötsch, Wolfgang Weihs, Martin Asslaber, Otto Dapunt
Until now, to our knowledge no case of bioprosthetic valvular thrombosis after implantation of the sutureless Sorin Perceval valve has been reported. Although sutureless aortic valve replacement has become a powerful tool in our daily practice, recent guidelines from the European Society of Cardiology, the European Association for Cardio-Thoracic Surgery, the American College of Cardiology, and the American Heart Association do not give specific recommendations on postoperative anticoagulation therapy. We report the first case of valve dysfunction resulting from thrombosis 12 months after implantation with a possible link to postoperative cortisole therapy...
October 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27637422/outcome-and-performance-of-bioprosthetic-pulmonary-valve-replacement-in-patients-with-congenital-heart-disease
#2
Rio Nomoto, Lynn A Sleeper, Michele J Borisuk, Lisa Bergerson, Frank A Pigula, Sitaram Emani, Francis Fynn-Thompson, John E Mayer, Pedro J Del Nido, Christopher W Baird
OBJECTIVES: The goal of this single-center series was to assess differences in reintervention by the type of valve used for surgical bioprosthetic pulmonary valve replacement and to identify independent predictors of reintervention. METHODS: Data were retrospectively collected for 611 patients undergoing pulmonary valve replacement from 1996 to 2014. Kaplan-Meier estimation and Cox proportional hazards regression methodologies were used. RESULTS: The median age of patients was 17...
November 2016: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27298793/early-outcomes-of-sutureless-aortic-valves
#3
Muhammet Onur Hanedan, İlker Mataracı, Mehmet Ali Yürük, Tanıl Özer, Ufuk Sayar, Ali Kemal Arslan, Uğur Ziyrek, Murat Yücel
BACKGROUND: In elderly high-risk surgical patients, sutureless aortic valve replacement (AVR) should be an alternative to standard AVR. The potential advantages of sutureless aortic prostheses include reducing cross-clamping and cardiopulmonary bypass (CPB) time and facilitating minimally invasive surgery and complex cardiac interventions, while maintaining satisfactory hemodynamic outcomes and low rates of paravalvular leakage. The current study reports our single-center experience regarding the early outcomes of sutureless aortic valve implantation...
June 2016: Korean Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/26508159/sex-related-differences-in-calcific-aortic-stenosis-correlating-clinical-and-echocardiographic-characteristics-and-computed-tomography-aortic-valve-calcium-score-to-excised-aortic-valve-weight
#4
Jeremy J Thaden, Vuyisile T Nkomo, Rakesh M Suri, Joseph J Maleszewski, Daniel J Soderberg, Marie-Annick Clavel, Sorin V Pislaru, Joseph F Malouf, Thomas A Foley, Jae K Oh, Jordan D Miller, William D Edwards, Maurice Enriquez-Sarano
AIMS: Calcific aortic valve stenosis (AS) is purportedly associated with less calcium burden in women than in men. We sought to examine sex-related differences and correlates of surgically excised aortic valve weight (AVW) in pure AS. METHODS AND RESULTS: Clinical and echocardiographic characteristics of 888 consecutive patients who underwent aortic valve replacement for severe AS were correlated to AVW, and in 126 patients, AVW was also correlated to computed tomography aortic valve calcium (AVC) score...
February 21, 2016: European Heart Journal
https://www.readbyqxmd.com/read/26453425/low-dose-gamma-irradiation-of-decellularized-heart-valves-results-in-tissue-injury-in%C3%A2-vitro-and-in%C3%A2-vivo
#5
Meghana R K Helder, Ryan S Hennessy, Daniel B Spoon, Brandon J Tefft, Tyra A Witt, Ronald J Marler, Sorin V Pislaru, Robert D Simari, John M Stulak, Amir Lerman
BACKGROUND: Decellularized heart valves are emerging as a potential alternative to current bioprostheses for valve replacement. Whereas techniques of decellularization have been thoroughly examined, terminal sterilization techniques have not received the same scrutiny. METHODS: This study evaluated low-dose gamma irradiation as a sterilization method for decellularized heart valves. Incubation of valves and transmission electron microscopy evaluation after different doses of gamma irradiation were used to determine the optimal dose of gamma irradiation...
February 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/26430503/silent-fistula-of-the-ascending-aorta-to-pericardium-by-brucella-endocarditis
#6
Feridoun Sabzi, Siavoosh Vaziri, Reza Faraji
We report the case of a 26-year-old male patient with 2-week history of Brucella aortic valve endocarditis that was referred from general hospital to our hospital emergency room with pallor of the skin and mucous membranes accompanied by systemic hypotension and chest pain. Trans esophageal echocardiography (TEE) revealed a 30-mm ascending aorta at the pulmonary trunk with no evidence of the false lumen or intimal flap. TEE also showed a large vegetation of the aortic valve that limited to noncoronary sinus with moderate pericardial effusion...
2015: Journal of Cardiovascular and Thoracic Research
https://www.readbyqxmd.com/read/26365391/the-application-of-bileaflet-mechanical-heart-valves-in-the-polish-ventricular-assist-device-physical-and-numerical-study-and-first-clinical-usage
#7
Zbigniew Malota, Wojciech Sadowski, Marek Krzyskow, Bogdan Stolarzewicz
The Polish ventricular assist device (Polvad) has been used successfully in clinical contexts for many years. The device contains two single-disc valves, one at the inlet and one at the outlet connector of the pneumatic pump. Unfortunately, in recent years, a problem has occurred with the availability of single-disc valves. This article presents the possibility of using bileaflet mechanical heart valve prostheses in the Polvad to avoid a discontinuity in clinical use. The study is based on experimental and numerical simulations and comparison of the distribution of flow, pressure, and stress (wall, shear, and turbulent) inside the Polvad chamber and the inlet/outlet connectors fitted with Sorin Monodisc and Sorin Bicarbon Fitline valves...
March 2016: Artificial Organs
https://www.readbyqxmd.com/read/26214204/fogarty-maneuver-to-restore-coronary-flow-in-st-segment-elevation-myocardial-infarction-desperate-times-call-for-desperate-measures
#8
Mark J Larralde, Ashwad Afzal, Sorin J Brener
Nonatherosclerotic embolism is a rare cause (4%-7%) of coronary occlusion in ST-segment elevation myocardial infarction (STEMI) patients, approximately half of which occur in inadequately anticoagulated patients with prosthetic valves. We report a rare case of a patient with severe rheumatic heart disease and 3 mechanical valves presenting with STEMI that was successfully managed by Fogarty maneuver thrombus extraction after failed thrombus aspiration and balloon angioplasty. A 56-year-old woman presented with an acute anterior STEMI and Killip class III heart failure...
September 2016: American Journal of Therapeutics
https://www.readbyqxmd.com/read/26204683/aortic-sutureless-perceval-valve-for-small-root-in-concomitant-mitral-valve-replacement
#9
Stefano Moriggia, Cinzia Trumello, Nicola Buzzatti, Giuseppe Iaci, Giovanna Di Giannuario, Ottavio Alfieri
Conventional valves have a sewing ring that reduces the effective orifice area for a given valve size. In patients with small aortic roots, the implantation of a stented conventional prosthesis can be very difficult or may lead to patient-prosthesis mismatch. In the case of the Sorin Perceval sutureless aortic valve, concomitant mitral valve replacement (MVR) is an exclusion criterion because the latter valve's rigid ring may interfere with the self-expandable stent anchorage of the Sorin Perceval sutureless valve, or cause it to become distorted...
March 2015: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/26197273/reduced-right-ventricular-function-predicts-long-term-cardiac-re-hospitalization-after-cardiac-surgery
#10
Leela K Lella, Virna L Sales, Yulia Goldsmith, Jacqueline Chan, Marina Iskandir, Iosif Gulkarov, Anthony Tortolani, Sorin J Brener, Terrence J Sacchi, John F Heitner
BACKGROUND: The significance of right ventricular ejection fraction (RVEF), independent of left ventricular ejection fraction (LVEF), following isolated coronary artery bypass grafting (CABG) and valve procedures remains unknown. The aim of this study is to examine the significance of abnormal RVEF by cardiac magnetic resonance (CMR), independent of LVEF in predicting outcomes of patients undergoing isolated CABG and valve surgery. METHODS: From 2007 to 2009, 109 consecutive patients (mean age, 66 years; 38% female) were referred for pre-operative CMR...
2015: PloS One
https://www.readbyqxmd.com/read/26123076/fifteen-year-experience-with-the-bicarbon-heart-valve-prosthesis-in-a-single-center
#11
Yoshio Misawa, Arata Muraoka, Shin-ichi Ohki, Kei Aizawa, Koji Kawahito, Tsutomu Saito, Hirotaka Sato, Ippei Takazawa, Soki Kurumisawa, Hirohiko Akutsu, Akira Sugaya
BACKGROUND: The purpose of this study was to evaluate retrospectively the clinical performance of the Bicarbon valve (Sorin Biomedica Cardio, Saluggia, Italy) implanted at our center in Japan. METHODS: Between January 1997 and December 2011, 415 patients in our institution were implanted with the Bicarbon valve. Nine of these recipients were excluded from the study because they had already undergone valve implantation and received a Bicarbon valve in a different position...
2015: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/26095935/emergency-transcatheter-aortic-valve-implantation-for-acute-and-early-failure-of-sutureless-perceval-aortic-valve
#12
Eric Durand, Christophe Tron, Hélène Eltchaninoff
We report the case of a 78-year-old woman admitted for cardiogenic shock related to acute and early failure (severe aortic regurgitation) of a Perceval sutureless aortic bioprosthesis (Sorin Group, Saluggia, Italy). Clinical stability was achieved using rescue transfemoral transcatheter aortic valve-in-valve implantation with an Edwards SAPIEN 3 prosthesis (Edwards Lifesciences, Irvine, CA). To our knowledge, we report herein the first case of successful valve-in-valve implantation using a SAPIEN 3 transcatheter heart valve in a sutureless bioprosthetic aortic valve with acute and early deterioration...
September 2015: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/25986494/is-there-an-outcome-penalty-linked-to-guideline-based-indications-for-valvular-surgery-early-and-long-term-analysis-of-patients-with-organic-mitral-regurgitation
#13
Maurice Enriquez-Sarano, Rakesh M Suri, Marie-Annick Clavel, Francesca Mantovani, Hector I Michelena, Sorin Pislaru, Douglas W Mahoney, Hartzell V Schaff
OBJECTIVE: The timing of surgical correction of mitral regurgitation remains controversial. A major source of dispute regards the potential short- and long-term postoperative outcome penalty associated with the type of guideline-based indication for surgery. METHODS: Between 1990 and 2000, 1512 patients (aged 64 ± 14 years, mitral prolapse in 89%, valve repair in 88%) underwent surgical correction of pure organic mitral regurgitation. Patients were stratified according to surgical indication into class I triggers (ClassI-T: heart failure symptoms, ejection fraction <60%, end-systolic diameter ≥40 mm, n = 794), class II triggers based on clinical complications (ClassII-CompT: atrial fibrillation or pulmonary hypertension, n = 195), or early class II triggers based on a combination of severe mitral regurgitation and high probability of valve repair (ClassII-EarlyT: n = 523)...
July 2015: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/25975942/predictors-of-survival-and-modes-of-failure-after-mitroflow-aortic-valve-replacement-in-1-003-adults
#14
Mahesh Anantha Narayanan, Rakesh M Suri, Murat Ugur, Kevin L Greason, John M Stulak, Joseph A Dearani, Lyle D Joyce, Alberto Pochettino, Zhuo Li, Hartzell V Schaff
BACKGROUND: Midterm outcomes are unknown for patients undergoing aortic valve replacement (AVR) with a Mitroflow bovine pericardial prosthesis (Sorin Group, Inc) and without anticalcification treatment. Recent reports warn of early senescence in younger adults. METHODS: From January 2004 through December 2011, 1,003 adults underwent Mitroflow AVR. The mean follow-up time was 25.0 (standard deviation [20.6]) months (total, 2,060 patient-years; maximum, 9 years). The patients were stratified for analysis according to age at implantation: group A, <60 years (n = 63, 6...
August 2015: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/25862603/bioprosthetic-valve-thrombosis-the-eyes-will-not-see-what-the-mind-does-not-know
#15
EDITORIAL
Sorin V Pislaru, Patricia A Pellikka, Hartzell V Schaff, Heidi M Connolly
No abstract text is available yet for this article.
June 2015: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/25818568/early-outcomes-of-pulmonary-valve-replacement-with-the-mitroflow-bovine-pericardial-bioprosthesis
#16
Sarah A Schubert, John L Myers, Allen R Kunselman, Joseph B Clark
BACKGROUND: Bovine pericardial valves are often used for pulmonary valve replacement (PVR) in patients with previously repaired congenital heart disease. Attention has recently focused on the safety of the Mitroflow (Sorin Group USA, Arvada, CO) bovine pericardial valve after a national alert describing several cases of sudden valve failure in young patients. In response, we reviewed our experience using the Mitroflow bioprosthesis for PVR. METHODS: Medical records were reviewed for all patients who underwent PVR using a Mitroflow valve at our center (2008-2013)...
May 2015: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/25794516/development-of-paradoxical-low-flow-low-gradient-severe-aortic-stenosis
#17
Jordi S Dahl, Mackram F Eleid, Sorin V Pislaru, Christopher G Scott, Heidi M Connolly, Patricia A Pellikka
OBJECTIVE: Among patients with severe aortic stenosis (sAS) and preserved LVEF, those with low-flow, low-gradient sAS (LFLG-sAS) have an adverse prognosis. It has been proposed that LFLG-sAS represents an end-stage point of sAS, but longitudinal information has not been described. The aim was to determine whether LFLG-sAS represents an end-stage consequence of normal-flow, high-gradient sAS (NFHG-sAS) or a different entity. METHODS: From our transthoracic echocardiogram (TTE) database, we identified patients with sAS (aortic valve area <1 cm(2)) and preserved LVEF (≥50%), and from these, patients with LFLG-sAS (stroke volume index <35 mL/m(2) and mean transvalvular gradient <40 mm Hg) who had ≥1 additional TTE within five years prior to the index TTE...
July 2015: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/25790627/platelet-activation-after-sorin-freedom-solo-valve-implantation-a-comparative-study-with-carpentier-edwards-perimount-magna
#18
COMPARATIVE STUDY
Alberto Repossini, Laura Tononi, Giuliana Martinil, Lorenzo Di Bacco, Laura Girolettiz, Fabrizio Rosati, Claudio Muneretto
BACKGROUND AND AIM OF THE STUDY: As platelet activation is known to be a side effect of cardiac surgery, recent analyses have been conducted to identify the association between thrombocytopenia and aortic valve replacement (AVR) using a bioprosthesis. The type of bioprosthesis has been indicated as an independent risk factor for a lower postoperative platelet count, an association which has been mainly observed with the Sorin Freedom Solo valve. The study aim was to analyze platelet activation after AVR with two different bioprostheses, the Sorin Freedom SOLO (FS) and the Carpentier-Edwards Magna (CE)...
November 2014: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/25769775/the-freedom-solo-pericardial-stentless-valve-single-center-experience-outcomes-and-long-term-durability
#19
Olaf Stanger, Irina Bleuel, Fabian Gisler, Volkhard Göber, Sylvia Reineke, Brigitta Gahl, Thierry Aymard, Lars Englberger, Thierry Carrel, Hendrik Tevaearai
OBJECTIVES: To report our institutional experience and long-term results with the Freedom Solo bovine pericardial stentless bioprosthesis (Sorin Group, Saluggia, Italy). METHODS: Between January 2005 and November 2009, 149 patients (mean age, 73.6 ± 8.7 years; 68 [45.6%] female) underwent isolated (n = 75) or combined (n = 74) aortic valve replacement (AVR) using the Solo in our institution. Follow-up was 100% complete with an average follow-up time of 5.9 ± 2...
July 2015: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/25732971/surgical-management-of-destructive-aortic-endocarditis-left-ventricular-outflow-reconstruction-with-the-sorin-pericarbon-freedom-stentless-bioprosthesis%C3%A2
#20
Sandro Sponga, Cristian Daffarra, Daisy Pavoni, Igor Vendramin, Enzo Mazzaro, Daniela Piani, Chiara Nalli, Gaetano Nucifora, Ugolino Livi
OBJECTIVES: The treatment of complicated aortic endocarditis with periannular abscesses and root disarrangement is a surgical challenge, and includes left ventricular outflow tract (LVOT) reconstruction with the patch technique or homograft implantation. The results of a simplified technique to reconstruct the LVOT in destructive endocarditis of either the aortic native valve or valve prosthesis with the Sorin Pericarbon Freedom stentless valve are reported. METHODS: Since August 2007, 40 patients with destructive endocarditis (mean age: 69 ± 12, 75% males, European System for Cardiac Operative Risk Evaluation II (EuroSCORE II): 19 ± 13, New York Heart Association (NYHA) class: ≥3 in all cases) have undergone LVOT reconstruction with a Sorin Pericarbon Freedom stentless bioprosthesis...
January 2016: European Journal of Cardio-thoracic Surgery
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