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Minimally invasive heart valve replacement

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https://www.readbyqxmd.com/read/28614262/minimally-invasive-mitral-valve-replacement-is-a-safe-and-effective-surgery-for-patients-with-rheumatic-valve-disease-a-retrospective-study
#1
Junyu Zhai, Lai Wei, Ben Huang, Chunsheng Wang, Hongqiang Zhang, Kanhua Yin
The aim of the study was to evaluate the treatment of minimally invasive mitral valve replacement (MIMVR) through a right minithoracotomy for patients with rheumatic mitral valve disease.From February 2009 to December 2016, 360 patients with rheumatic mitral valve disease underwent mitral valve replacement by the same surgeon. Among them, 150 patients accepted MIMVR through a right minithoracotomy, whereas the other 210 accepted a traditional median sternotomy. After matching by patients by age, sex, EuroSCORE, New York Heart Association (NYHA) classification, renal and liver function, and degree of mitral valve disease, we selected 224 patients for analysis in our retrospective study...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28600091/transcatheter-aortic-valve-replacement-and-mitraclip-to-reverse-heart-failure
#2
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/28449479/early-results-of-the-sorin-%C3%A2-perceval-s-sutureless-valve-systematic-review-and-meta-analysis
#3
Karan Sian, Sheila Li, Daneish Selvakumar, Ross Mejia
BACKGROUND: Minimally invasive aortic valve replacement (MAVR) has demonstrated a benefit with respect to increased patient satisfaction due to minimised pain and earlier recovery. Sutureless valves may benefit MAVR and conventional aortic valve replacement (AVR) by reducing operative times and blood transfusion requirements. The Perceval valve (Sorin, Salluggia, Italy) is a self-expanding prosthesis made from bovine pericardium mounted in a nitinol stent, designed to simplify the implantation of an aortic valve...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28445803/jetvalve-rapid-manufacturing-of-biohybrid-scaffolds-for-biomimetic-heart-valve-replacement
#4
Andrew K Capulli, Maximillian Y Emmert, Francesco S Pasqualini, Debora Kehl, Etem Caliskan, Johan U Lind, Sean P Sheehy, Sung Jin Park, Seungkuk Ahn, Benedikt Weber, Josue A Goss, Simon P Hoerstrup, Kevin Kit Parker
Tissue engineered scaffolds have emerged as a promising solution for heart valve replacement because of their potential for regeneration. However, traditional heart valve tissue engineering has relied on resource-intensive, cell-based manufacturing, which increases cost and hinders clinical translation. To overcome these limitations, in situ tissue engineering approaches aim to develop scaffold materials and manufacturing processes that elicit endogenous tissue remodeling and repair. Yet despite recent advances in synthetic materials manufacturing, there remains a lack of cell-free, automated approaches for rapidly producing biomimetic heart valve scaffolds...
April 18, 2017: Biomaterials
https://www.readbyqxmd.com/read/28444168/mechanical-versus-bioprosthetic-aortic-valve-replacement
#5
Stuart J Head, Mevlüt Çelik, A Pieter Kappetein
Mechanical valves used for aortic valve replacement (AVR) continue to be associated with bleeding risks because of anticoagulation therapy, while bioprosthetic valves are at risk of structural valve deterioration requiring reoperation. This risk/benefit ratio of mechanical and bioprosthetic valves has led American and European guidelines on valvular heart disease to be consistent in recommending the use of mechanical prostheses in patients younger than 60 years of age. Despite these recommendations, the use of bioprosthetic valves has significantly increased over the last decades in all age groups...
April 20, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28433492/is-tavr-ready-for-the-global-aging-population
#6
REVIEW
Travis Bergmann, Partho P Sengupta, Jagat Narula
The emergence of the global pandemic of chronic diseases necessitates critical assessment of interventions that can be targeted at both the individual and population levels. Among cardiovascular diseases, the increasing prevalence of valvular heart diseases such as aortic stenosis parallels the rising burden of atherosclerotic cardiovascular diseases. As an alternative to surgical aortic valve replacement, technological innovation has allowed development of minimally invasive transcatheter aortic valve replacement (TAVR)...
April 19, 2017: Global Heart
https://www.readbyqxmd.com/read/28396860/aortic-valve-replacement-for-moderate-aortic-stenosis-with-severe-calcification-and-left-ventricualr-dysfunction-a-case-report-and-review-of-the-literature
#7
Nikhil Narang, Roberto M Lang, Vladimir M Liarski, Valluvan Jeevanandam, Marion A Hofmann Bowman
A 55-year-old man with a history of erosive, seropositive rheumatoid arthritis (RA), and interstitial lung disease presented with shortness of breath. Echocardiography showed new-onset severe left ventricular (LV) dysfunction with an ejection fraction (EF) of 15% and moderately increased mean aortic valve gradient of 20 mmHg in a trileaflet aortic valve with severe sclero-calcific degeneration. Coronary angiography revealed no significant obstructive coronary disease. Invasive hemodynamic studies and dobutamine stress echocardiography were consistent with moderate aortic stenosis...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28394022/limited-versus-full-sternotomy-for-aortic-valve-replacement
#8
REVIEW
Bilal H Kirmani, Sion G Jones, S C Malaisrie, Darryl A Chung, Richard Jnn Williams
BACKGROUND: Aortic valve disease is a common condition that is easily treatable with cardiac surgery. This is conventionally performed by opening the sternum longitudinally down the centre ("median sternotomy") and replacing the valve under cardiopulmonary bypass. Median sternotomy is generally well tolerated, but as less invasive options have become available, the efficacy of limited incisions has been called into question. In particular, the effects of reducing the visibility and surgical access has raised safety concerns with regards to the placement of cannulae, venting of the heart, epicardial wire placement, and de-airing of the heart at the end of the procedure...
April 10, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28377566/initial-experience-with-aortic-valve-replacement-via-a-minimally-invasive-approach-a-comparison-of-stented-stentless-and-sutureless-valves
#9
Johanna Konertz, Konstantin Zhigalov, Alexander Weymann, Pascal M Dohmen
BACKGROUND This study aimed to compare the short-term outcomes of MIS-AVR among 3 different types of biological heart valves. MATERIAL AND METHODS Complete data were obtained from 79 patients who underwent MIS-AVR between January 2010 and June 2015. Patients were divided into 3 groups: 27 patients (group A) received Medtronic 3f® (Medtronic Inc., Fridley, MN, USA), 36 patients (group B) received DokimosPlus® (LabCor Laboratórios Ltda., Belo Horizonte, Brazil) and 16 patients (group C) received Perceval® (Sorin Biomedica Cardio S...
April 5, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28328570/concomitant-valve-in-valve-transcatheter-aortic-valve-replacement-and-left-ventricular-assist-device-implantation
#10
Takashi Murashita, David L Joyce, Alberto Pochettino, John M Stulak, Lyle D Joyce
Redo aortic valve replacement (AVR) performed simultaneously with left ventricular assist device (LVAD) implantation carries potential for increased mortality rates. Although transcatheter AVR has been used for patients with previous LVAD placement, no literature reports concomitant valve-in-valve transcatheter AVR and LVAD implantation. Our patient had severe aortic prosthetic valve deterioration and advanced heart failure. Given the risks associated with reoperative aortic valve surgery, we chose transcatheter AVR at the time of LVAD implantation...
March 22, 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/28293976/evolution-of-hybrid-interventions-for-congenital-heart-disease
#11
REVIEW
Hitesh Agrawal, Wail Alkashkari, Damien Kenny
Surgical and transcatheter interventions have seen a tremendous evolution in last three decades. Hybrid technology combines the achievements of both disciplines to bring substantial hemodynamic benefit to patients with congenital heart disease (CHD) in a minimally invasive manner. This collaboration between surgeons and interventionalists will continue to grow as the technology evolves to meet the demands of CHD patients, potentially avoiding cardiopulmonary bypass and vascular access complications as well as optimizing immediate technical outcomes with exit angiography...
April 2017: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/28201842/minimally-invasive-aortic-root-replacement-with-valved-conduits-through-partial-upper-sternotomy
#12
Julia Hillebrand, Mosab Alshakaki, Sven Martens, Mirela Scherer
Background Minimally invasive surgical access through limited sternotomy reduces trauma and morbidity in cardiosurgical patients. However, until now, it is not the standard access for aortic root replacement. This study details our clinic's experience with minimally invasive implantation of valved conduits through partial upper sternotomy and the comparison to conventional full median sternotomy. Methods Between January 2012 and March 2016, a total of 187 patients underwent aortic root replacement with valved conduits in our department...
February 15, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/28129316/coronary-artery-disease-complexity-on-the-outcomes-of-a-staged-approach-of-pci-followed-by-minimally-invasive-valve-surgery
#13
Andrés M Pineda, Saqib A Gowani, Christos G Mihos, Ramesh Chandra, Orlando Santana, Joseph Lamelas, Nirat Beohar
OBJECTIVE: A staged approach of percutaneous coronary intervention (PCI) followed by minimally invasive valve surgery (MIVS) is an alternative to the combined coronary artery bypass graft and valve surgery for patients with concomitant coronary artery (CAD) and valvular heart disease. We sought to evaluate the impact of the complexity of CAD, as assessed by the Syntax score, on the outcomes of the staged approach. METHODS: We retrospectively evaluated 138 patients who underwent PCI and MIVS at our institution between January 2009 and June 2013...
January 27, 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/28099179/traditional-sternotomy-versus-minimally-invasive-aortic-valve-replacement-in-patients-stratified-by-ejection-fraction
#14
MULTICENTER STUDY
Tom C Nguyen, Vinod H Thourani, Justin Q Pham, Yelin Zhao, Matthew D Terwelp, Prakash Balan, Daniel Ocazionez, Catalin Loghin, Richard W Smalling, Anthony L Estrera, Joseph Lamelas
OBJECTIVE: Low ejection fraction (EF < 40%) portends adverse outcomes in patients undergoing valvular heart surgery. The role of traditional median sternotomy aortic valve replacement (SAVR) compared with minimally invasive aortic valve replacement (MIAVR) in this cohort remains incompletely understood. METHODS: A multi-institutional retrospective review of 1503 patients who underwent SAVR (n = 815) and MIAVR via right anterior thoracotomy (n = 688) from 2011 to 2014 was performed...
January 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/28018817/transcatheter-valve-unable-to-cure-patient-prosthesis-mismatch-of-mosaic-bioprosthesis
#15
Daniela Serio, Andreas Zierer, Mirko Doss, Anton Moritz
Transcatheter aortic valve implantation (TAVI) has been recently established as a less invasive alternative to conventional aortic valve replacement (CAVR) in patients presenting with expected high procedural risk. The rapid technologic advances and the recent improvement of clinical outcomes with TAVI have made it possible to treat degenerated bioprosthesis using the valve-in-valve implantation concept (Walther T, Simon P, Dewey T, et al. Transapical minimally invasive aortic valve implantation: multicenter experience...
December 2016: Thoracic and Cardiovascular Surgeon Reports
https://www.readbyqxmd.com/read/28017338/complications-associated-with-femoral-cannulation-during-minimally-invasive-cardiac-surgery
#16
Joseph Lamelas, Roy F Williams, Maurice Mawad, Angelo LaPietra
BACKGROUND: Different types of cannulation techniques are available for minimally invasive cardiac surgery. At our institution, we favor a femoral platform for most minimally invasive cardiac procedures. Here, we review our results utilizing this cannulation approach. METHODS: We retrospectively reviewed all minimally invasive valve surgeries that were performed at our institution between January 2009 and January 2015. Operative times, lengths of stay, postoperative complications, and mortality were analyzed...
June 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27913175/automated-cta-based-measurements-for-planning-support-of-minimally-invasive-aortic-valve-replacement-surgery
#17
Mustafa A Elattar, Floortje van Kesteren, Esther M Wiegerinck, Ed Vanbavel, Jan Baan, Riccardo Cocchieri, Bas de Mol, Nils R Planken, Henk A Marquering
Minimally invasive aortic valve replacement (mini-AVR) procedures are a valuable alternative to conventional open heart surgery. Currently, planning of mini-AVR consists of selection of the intercostal space closest to the sinotubular junction on preoperative computer tomography images. We developed an automated algorithm detecting the sinotubular junction (STJ) and intercostal spaces for finding the optimal incision location. The accuracy of the STJ detection was assessed by comparison with manual delineation by measuring the Euclidean distance between the manually and automatically detected points...
January 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/27696730/the-future-of-heart-valve-replacement-recent-developments-and-translational-challenges-for-heart-valve-tissue-engineering
#18
REVIEW
Emanuela S Fioretta, Petra E Dijkman, Maximilian Y Emmert, Simon P Hoerstrup
Heart valve replacement is often the only solution for patients suffering from valvular heart disease. However, currently available valve replacements require either life-long anticoagulation or are associated with valve degeneration and calcification. Moreover, they are suboptimal for young patients, because they do not adapt to the somatic growth. Tissue-engineering has been proposed as a promising approach to fulfil the urgent need for heart valve replacements with regenerative and growth capacity. This review will start with an overview on the currently available valve substitutes and the techniques for heart valve replacement...
September 30, 2016: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/27677879/preoperative-planning-with-three-dimensional-reconstruction-of-patient-s-anatomy-rapid-prototyping-and-simulation-for-endoscopic-mitral-valve-repair
#19
Peyman Sardari Nia, Samuel Heuts, Jean Daemen, Peter Luyten, Jindrich Vainer, Jan Hoorntje, Emile Cheriex, Jos Maessen
OBJECTIVES: Mitral valve repair performed by an experienced surgeon is superior to mitral valve replacement for degenerative mitral valve disease; however, many surgeons are still deterred from adapting this procedure because of a steep learning curve. Simulation-based training and planning could improve the surgical performance and reduce the learning curve. The aim of this study was to develop a patient-specific simulation for mitral valve repair and provide a proof of concept of personalized medicine in a patient prospectively planned for mitral valve surgery...
September 27, 2016: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/27626323/minimally-invasive-transcatheter-aortic-valve-implantation-for-the-treatment-of-rheumatic-heart-disease-in-developing-countries
#20
REVIEW
Trust Saidi, Tania S Douglas
The treatment of rheumatic heart disease presents a medical and surgical challenge, particularly in developing countries, where the disease is prevalent. Most of these countries find it prohibitively expensive to import heart valve prostheses that are required for treatment and are largely manufactured in the United States and Europe. Even if the valves were available, the absence of facilities to conduct open-heart surgery for valve replacement results in many people from developing countries dying needlessly of the disease...
October 2016: Expert Review of Medical Devices
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