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  • Title: [The usefulness of transesophageal echocardiography in the follow-up of patients operated on for replacement of the ascending aorta with a tubular-valvular prosthesis (Cabrol's intervention)].
    Author: Morocutti G, Di Chiara A, Fontanelli A, Bernardi G, Gianfagna P, Frassani R, Morelli A, Puricelli C, Feruglio GA.
    Journal: G Ital Cardiol; 1995 Feb; 25(2):183-92. PubMed ID: 7642023.
    Abstract:
    OBJECTIVES: The usefulness of transesophageal echocardiography (TEE) in assessing the postoperative results of aortic root replacement (Cabrol's procedure) was evaluated. METHODS: Between 1986 and 1993, 31 patients underwent replacement of the aortic valve and ascending aorta by a composite graft using the Cabrol procedure. Twenty-six patients had annuloaortic ectasia, two type I DeBakey dissection and four type II dissection. Hospital mortality was 9.7%. Studies were performed in 18 patients, two to 70 months (mean 27.5 months) after composite graft replacement. The following features were examined: prosthetic aortic valve function, coronary graft morphology and function, tubular graft and aneurysm wrapped around morphology and dimensions, presence of intimal flap, false lumen and thrombus in the false lumen and persistence of right atrial fistula. RESULTS: Periprosthetic leakage with significant regurgitation was detected by TEE in 3 (16.6%) of 18 patients. In one patient with infected aortic graft a fistula between the periprosthetic space and the right ventricle was detected (confirmed at reoperation). In another patient occlusion of the graft for left coronary artery was noted. In three patients (16.6%) an aneurysm of the periprosthetic space with perivalvular leakage and persistence of the fistula with the right atrium was visualized. In the two patients operated for DeBakey type I dissection an intimal flap persisted distal to the graft and in one patient flow was detected in the false lumen, while it was totally obliterated in the other. CONCLUSIONS: 1) Complications after Cabrol's procedure are not infrequent; although the real importance of some of them (periprosthetic aneurysm, persistence of dissection) is uncertain, a careful follow-up may be essential to improve the long term survival. 2) TEE is a useful and well-tolerated procedure for postoperative follow-up of patients who underwent aortic root replacement with Cabrol's procedure.
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