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Eur J Cardiothorac Surg 2004;26:628-633
© 2004 Elsevier Science NL

Repair of aortic valve prolapse: experience with 44 patients

^a Departments of Cardiovascular and Thoracic Surgery, Cardiology, Cliniques Universitaires Saint-Luc, Avenue Hippocrate 10, Brussels 1200, Belgium
^b Public Health School, Université Catholique de Louvain, Brussels, Belgium

Received 20 October 2003; received in revised form 30 April 2004; accepted 18 May 2004.

^* Corresponding author. Address: Service de Chirurgie Cardiovasculaire et Thoracique, Cliniques Universitaires Saint-Luc UCL 90, Avenue Hippocrate 10, Brussels B-1200, Belgium. Tel.: +32-2-764-6106; fax: +32-2-764-8960
e-mail: elkhoury{at}chir.ucl.ac.be

Objectives: In regurgitant tricuspid aortic valves, cusp prolapse may be isolated or associated with dilatation of the proximal aorta. Newly appearing cusp prolapse can also appear after an aortic valve sparing operation (AVSO) and be responsible for residual aortic regurgitation. In this report, we describe our experience in repairing prolapsing aortic cusps in 44 patients with aortic regurgitation. Methods: Between 1996 and 2003, 260 patients had aortic valve repair or valve sparing procedures in our department. All patients had peri-operative TEE. Prolapse of one or more of the aortic cusps was identified by TEE and confirmed by careful surgical inspection before and after valve sparing surgery. Forty-four patients with cusp prolapse were identified. Fifteen had an isolated prolapse, with a normal root (group I), 18 had cusp prolapse associated with dilatation of the proximal aorta (group IIa), and 11 had a newly appearing prolapse after AVSO (group IIb). Correction of the prolapsing cusp was achieved by either free edge plication, triangular resection or resuspension with PTFE. This procedure was associated with an aortic annuloplasty in group I, and with AVSO in groups II and III. Results: Post-operative TEE showed AR trivial or grade I regurgitation. At a mean of 23 months follow-up, one patient with recurrent regurgitation required an aortic valve replacement with a homograft. All remaining patients were in NYHA class I or II. Echocardiography confirmed the durability of the valve repair. Conclusions: Among the common causes of aortic regurgitation, isolated cusp prolapse is frequent and is amenable to surgical repair with excellent mid-term results. In particular, in patents who are potential candidates for AVSO, identification and correction of an associated prolapse, either pre-existing or secondary to the AVSO procedure, may further extend the indications for this technique, increase its success rates and improve its long-term outcome.

Key Words: Tricuspid aortic valve prolapse • Aortic insufficiency • Aortic valve repair

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