Medtronic Hall valve

Medtronic Hall valve

CARDIOLOGY

A tilting disc type mechanical prosthesis used to replace a defective aortic valve.

First implanted in 1977, a 25-year followup study of 816 patients receiving the valve revealed minimal complications:

• Thromboembolism–1.5%/patient-year

• Warfarin-related bleeding–0.7%/patient-year

• Endocarditis—0.16%/patient-year and no mechanical failures.

Synonyms Hall-Kaster valve, Medtronic Hall-Kaster tilting disc, Medtronic heart valve 

Reference Circulation 2007; 116: 1795-1800 Blo