artificial heart valve

(redirected from Mechanical heart valves)

artificial heart valve

Cardiovascular surgery A synthetic-mechanical or natural–porcine–valve surgically placed into the heart to replace a defective or malfunctioning valve; the aortic and mitral valves are the most frequently replaced with AHVs
References in periodicals archive ?
and improvement in Europe more than offset declines in mechanical heart valves globally.
The global cardiac prosthetic devices market segmentation is based on device or product types (heart valves, mechanical heart valves, tissue heart valves, stented tissue valve, transcatheter heart valves, pacemaker, implantable pacemaker, single-chamber battery pacemaker, dual-chamber battery pacemaker, triple-chamber battery pacemaker, external pacemaker).
Manufacturers develop mechanical heart valves from synthetic materials such as pyrolytic carbon, titanium alloy, and cobalt-based alloys and tissue heart valves from bovine, porcine, and human tissues.
Warfarin protects against stroke by decreasing the risk for blood clots due to mechanical heart valves, and conditions like the heart rhythm abnormality atrial fibrillation.
Jude Medical valve product portfolio, which includes market-leading mechanical heart valves, aortic and mitral tissue valves, valve repair annuloplasty rings and the Portico TAVR valve available currently in Europe.
Pregnancy in patients with mechanical heart valves is associated with considerable morbidity, mortality and health cost utilisation.
BARCELONA Women with mechanical heart valves who become pregnant face a very-high-risk pregnancy, with a 58% rate of an uncomplicated pregnancy resulting in a live birth, according to international registry data collected since 2007.
It targets patients who require an oral anticoagulant, including people with mechanical heart valves.
For patients with mechanical heart valves, warfarin is still recommended as the sole option.
Therefore, the major concerns associated with pregnant women with mechanical heart valves are thromboembolic complications, maternal bleeding, and increased fetal events.
The researchers saw the benefit as especially marked in patients under age 55 and in those with mechanical heart valves.
Mechanical heart valves usually last the life of the patient, while tissue valves last an average of live to fifteen years, with the shorter span occurring in younger patients.

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