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The Journal of Thoracic and Cardiovascular Surgery, Vol 74, 230-237, Copyright © 1977 by The American Association for Thoracic Surgery and The Western Thoracic Surgical Association
MK Heng, B Barratt-Boyes, TM Agnew, PW Brandt, AR Kerr and KJ Graham
The results of valve replacement with a stent-mounted antibiotic- treated
aortic allograft valve are reported in 129 patients with isolated mitral
valve disease. Of these patients, 70 per cent were in N.Y.H.A. Class IV.
The hospital mortality rate was 3.9 percent. The cumulative
complication-free rate at 5 years was only 37 percent as 21 percent died
late, a further 15 percent were alive following reoperation, 4 percent had
an embolic episode, 4 percent were alive with important incompetence, and
20 percent had unimportant incompetence. Proved valve failure was due
mainly to detachment of the aortic wall remnant of the valve from the
pillar of the rigid metal stent (16 percent incidence at 5 years) and
methods for preventing this complication are discussed. Because of these
complications the use of this device in the mitral position has been
discontinued.
ARTICLES
Isolated mitral replacement with stent-mounted antibiotic-treated aortic allograft valves
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