Mechanical heart valves

GPTKB entity

Statements (51)
Predicate Object
gptkbp:instanceOf medical device
gptkbp:advantage Durability
Audible clicking sound
Risk of bleeding
Risk of blood clots
gptkbp:alternativeTo Bioprosthetic heart valves
gptkbp:approvedBy gptkb:FDA
gptkbp:cause Thromboembolism
Paravalvular leak
Bleeding complications
Mechanical hemolytic anemia
Prosthetic valve endocarditis
Structural valve deterioration (rare)
Valve dysfunction
gptkbp:contraindication Pregnancy (relative)
Inability to take anticoagulants
Patients unable to comply with anticoagulation
Patients with high bleeding risk
gptkbp:detects gptkb:CT_scan
gptkb:Chest_X-ray
Echocardiogram
Physical examination (clicking sound)
gptkbp:first_implanted 1952
gptkbp:function Regulate blood flow in the heart
https://www.w3.org/2000/01/rdf-schema#label Mechanical heart valves
gptkbp:implanted_by Cardiac surgeon
gptkbp:inventedBy 1950s
gptkbp:lifespan 20 years or more
gptkbp:material Polymers
Metal alloys
Pyrolytic carbon
gptkbp:notableBrand gptkb:Medtronic
gptkb:Edwards_Lifesciences
gptkb:St._Jude_Medical
gptkbp:requires Open-heart surgery
Echocardiographic follow-up
Lifelong anticoagulation
Regular INR monitoring
gptkbp:riskFactor Hemolysis
Infective endocarditis
Valve thrombosis
gptkbp:type Ball-and-cage valve
Bileaflet valve
Tilting disc valve
gptkbp:used_in Aortic valve replacement
Mitral valve replacement
Pulmonary valve replacement
Tricuspid valve replacement
gptkbp:usedFor Heart valve replacement
gptkbp:bfsParent gptkb:Schistocytes
gptkbp:bfsLayer 8