Cone procedure – Cardiology MCQ

Cone procedure is used for:
a) D-Transposition of great arteries
b) Fallot’s Tetralogy
c) Ebstein’s Anomaly of Tricuspid Valve
d) None of the above
Correct Answer: c) Ebstein’s Anomaly of Tricuspid Valve
Cone procedure for Ebstein’s anomaly of tricuspid valve constructs a funnel like valve using the native valve leaflets. This avoids the problems associated with artificial valves including bioprosthetic valves, especially in children. In one study cone procedure group had 85% reduction in tricuspid regurgitation compared to 56% in the conventional group, at discharge from hospital [1]. The cone procedure involves detachment of tricuspid leaflets, division of chordae, plication of the tricuspid annulus, rotation of leaflets and final re-insertion of the leaflets in the modified tricuspid valve annulus [2]. Read more…