2015
DOI: 10.5114/kitp.2015.54453
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Artificial aortic valve dysfunction due to pannus and thrombus – different methods of cardiac surgical management

Abstract: IntroductionApproximately 60 000 prosthetic valves are implanted annually in the USA. The risk of prosthesis dysfunction ranges from 0.1% to 4% per year. Prosthesis valve dysfunction is usually caused by a thrombus obstructing the prosthetic discs. However, 10% of prosthetic valves are dysfunctional due to pannus formation, and 12% of prostheses are damaged by both fibrinous and thrombotic components. The authors present two patients with dysfunctional aortic prostheses who were referred for cardiac surgery. D… Show more

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Cited by 3 publications
(2 citation statements)
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“…BMHV dysfunction may appear at anytime between 1 hour and 20 years (median: 44.5 months) following the primary valve replacement . Its reported incidence rate ranges between 0.1% and 6.0% and it represents a major life‐threatening event associated with a significantly high mortality rate in emergency (28.6%) . BMHV dysfunction is due to thrombus formation (41%), to pannus growth (38%) or to both (21%).…”
Section: Introductionmentioning
confidence: 99%
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“…BMHV dysfunction may appear at anytime between 1 hour and 20 years (median: 44.5 months) following the primary valve replacement . Its reported incidence rate ranges between 0.1% and 6.0% and it represents a major life‐threatening event associated with a significantly high mortality rate in emergency (28.6%) . BMHV dysfunction is due to thrombus formation (41%), to pannus growth (38%) or to both (21%).…”
Section: Introductionmentioning
confidence: 99%
“…Other cases may include: improper valve orientation, a missing leaflet or excessively long knots during surgery. An excellent review on the topic can be found in Huang et al and the related references . Although there is a consensus that patients with BMHV dysfunction due to pannus formation should be reoperated, the optimal management of patients with BMHV dysfunction due to thrombus formation remains controversial .…”
Section: Introductionmentioning
confidence: 99%