Results 11 to 20 of about 1,763,079 (280)

Aortic valve replacement in sheep with a novel trileaflet mechanical heart valve prosthesis without anticoagulationCentral MessagePerspective [PDF]

JTCVS Open, 2021
Background: Even after decades of intensive research, an ideal heart valve prosthesis remains elusive. Shortcomings of conventional devices include reduced durability of bioprostheses and the thrombogenicity of mechanical substitutes, necessitating ...
Tim Schaller, MSc, Michael Scharfschwerdt, PhD, Kathrin Schubert, MSc, Cornelia Prinz, PhD, Ulrich Lembke, PhD, Hans-Hinrich Sievers, MD   +5 more
doaj   +3 more sources

A Novel Sensorized Heart Valve Prosthesis: Preliminary In Vitro Evaluation [PDF]

Sensors, 2018
Background: Recent studies have shown that subclinical valve thrombosis in heart valve prosthesis (HVP) can be responsible for reduced leaflet motion detectable only by advanced imaging diagnostics.
Laura Cercenelli, Emanuela Marcelli, Barbara Bortolani   +2 more
exaly   +3 more sources

Choice of heart valve prosthesis [PDF]

Heart, 2002
It is 40 years since Starr and Edwards' description of successful prosthetic valve replacement in 1961. Some patients who underwent valve replacement with the original Starr-Edwards prosthesis in the 1960s are alive to this day. The Starr-Edwards ball and cage prosthesis, albeit in modified form, is still available commercially.
P. Bloomfield
openaire   +3 more sources

Optimum INR intensity and therapeutic INR control in patients with mechanical heart valve prosthesis on warfarin oral anticoagulation at Dr George Mukhari academic hospital: a three-year retrospective study

South African Family Practice, 2018
Background: Available evidence suggest that the optimum prothrombin time-international normalised ratio (PT-INR) intensities recommended for anticoagulation of patients with mechanical heart valve prosthesis may not apply to all race groups.
S. Ntlokotsi, M. F. Moshesh, P. Mntla, O. A. Towobola, M. A. Mogale   +4 more
doaj   +2 more sources

Bioinspired Heart Valve Prosthesis Made by Silicone Additive Manufacturing

Matter, 2019
Summary Synthetic implants made by traditional fabrication routes are not patient specific and rarely match the performance of their biological counterparts.
Deon Bezuidenhout, Peter Zilla, Manuel Schaffner   +2 more
exaly   +2 more sources

Progress on a Novel, 3D-Printable Heart Valve Prosthesis [PDF]

Polymers, 2023
Filip Schröter, Martin Hartrumpf, Johannes Albes   +2 more
exaly   +2 more sources

Impact of Prosthesis‐Patient Mismatch After Surgical Aortic Valve Replacement: Systematic Review and Meta‐Analysis of Reconstructed Time‐to‐Event Data of 122 989 Patients With 592 952 Patient‐Years

Journal of the American Heart Association
Background It remains controversial whether prosthesis‐patient mismatch (PPM) impacts long‐term outcomes after surgical aortic valve replacement.
Michel Pompeu Sa, Ibrahim Sultân, Danny Chu   +2 more
exaly   +2 more sources

First Ex Vivo Animal Study of a Biological Heart Valve Prosthesis Sensorized with Intravalvular Impedance [PDF]

Sensors, 2023
Laura Cercenelli, Emanuela Marcelli, Barbara Bortolani   +2 more
exaly   +2 more sources

Results of heart valve replacement with the SORIN prosthesis.

Texas Heart Institute journal, 1987
From March 1977 to December 1981, 872 patients at our institution underwent valve replacement with a pyrolytic carbon tilting disc prosthesis manufactured in Italy by SORIN-Biomedica. To verify the performance characteristics of this prosthesis, we analyzed the intermediate-term results obtained over a cumulative total of 3,041 patient-years (pt-yr) of
T. Colombo, F. Donatelli, E. Quaini, E. Vitali, A. Pellegrini   +4 more
core   +5 more sources

Third Re-Do Surgery in a Young Woman with Massive Early Double-Valve Prosthesis and Thromboembolic Stroke [PDF]

Romanian Journal of Cardiology, 2021
Valvular heart disease affects more that 100 million people worldwide. Valvular replacement remains the only definite treatment for most of the patients with severe disease. Careful medical management and periodic follow up of valve function is mandatory
Andreea-Antonia NICA, Andrea-Olivia CIOBANU, Roxana-Cristina RIMBAS, Alexandru VASILESCU, Vlad VINTILA, Dragos Vinereanu   +5 more
doaj   +1 more source