The human body involves a large number of systems subjected to contact stresses and thus
experiencing wear and degradation. The limited efficacy of existing solutions constantly puts …

Numerous medical devices have been applied for the treatment or alleviation of various
diseases. Tribological issues widely exist in those medical devices and play vital roles in …

The “Guidelines on the Management of Valvular Heart Disease” were initially published as
the “Guidelines on Non-pharmacological Treatment of Valvular Heart Disease” in 2002 …

Background In recent years, the use of surgically implanted biological aortic valves has
been favored over mechanical prosthesis in patients between 50 and 70 years of age …

Background: There is paucity of evidence on the impact of anticoagulation (AC) after
bioprosthetic aortic valve replacement (AVR) on valve hemodynamics and clinical …

Importance of tribology in a number of medical devices and surgical instruments is reviewed,
including artificial joints, artificial teeth, dental implants and orthodontic appliances …

OBJECTIVES The aim of this study was to compare biological versus mechanical aortic
valve replacement. METHODS We searched MEDLINE, Scopus and Cochrane Library …

Undoubtedly the applications of polymers are rapidly evolving. Technology is continually
changing and quickly advancing as polymers are needed to solve a variety of day-to-day …

Importance Use of transcatheter aortic valve replacement (TAVR) for severe aortic stenosis
is growing rapidly. However, to our knowledge, the durability of these prostheses is …

Heart valve disease carries a substantial risk of morbidity and mortality. Outcomes are
significantly improved by valve replacement, but currently available mechanical and …