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Eur J Cardiothorac Surg 2007;32:195-200. doi:10.1016/j.ejcts.2007.03.039
Copyright © 2007, European Association for Cardio-Thoracic Surgery. Published by Elsevier B.V. All rights reserved

Fontan completion without surgery

King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia

Received 4 September 2006; received in revised form 9 March 2007; accepted 23 March 2007.

^_* Corresponding author. Address: MBC 16, PO Box 3354, King Faisal Specialist Hospital & Research Center, Riyadh 11211, Saudi Arabia. Tel.: +966 1 442 7470; fax: +966 1 4427791. (Email: asallehuddin{at}kfshrc.edu.sa).

Objective: There are several modifications introduced in the preparation for a subsequent non-surgical transcatheter completion of the Fontan procedure. We report our experience with one type of the modification and the short-term results following its implementation. Methods: During bidirectional cavopulmonary connection (BCPC) an intra-atrial lateral tunnel is additionally created, as intended for a Fontan procedure but fenestrated with a 10–14 mm aperture. The cardiac end of the superior vena cava (SVC) is then patched to maintain the physiology of BCPC. During the interventional transcatheter completion procedure, the SVC patch is perforated using radio-frequency (RF) energy, balloon-dilated, and stented as well. The aperture is closed with a device when required. Paired t-test was used to compare data before and after the Fontan completion. Results: From June 2003 to February 2006, 16 patients (9 boys and 7 girls, mean age 12 months) underwent the surgical procedure described. The mean bypass time was 137 min and the mean ischemic time was 77 min. There were no operative deaths. One patient with bilateral SVC required a take down due to recurrent effusions. Ten months later, nine patients underwent completion (mean age 20 months, mean weight 10.6 kg). The stents were dilated to a mean diameter of 14.4 mm. All except one aperture was closed with a device. The mean fluoroscopy time was 41 min. Oxygen saturation increased from 85 to 94% (p = 0.001). Pulmonary artery pressures remained normal (16 mmHg before and 19 mmHg after, p = 0.12). No patients required mechanical ventilation and none developed pleural effusions or arrhythmias. All were discharged from hospital within 6 days of the Fontan completion. Twenty-two months after Fontan, all were well. Echocardiography revealed no gradients across the stents. Two patients had minor leaks across the aperture. One underwent further stent dilatation a year later. Conclusions: Fontan completion without surgery is suitable in patients with single ventricles with lower mortality and morbidity, avoids multiple surgical interventions while maintaining the staged approach and allows for successive dilatation of the Fontan pathway to accommodate for growth.

Key Words: Fontan • Cavopulmonary connection • Transcatheter intervention • Stenting • Non-surgical Fontan • Hybrid procedure

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				M. R. de Leval Editorial comment: Fontan completion without surgery Eur. J. Cardiothorac. Surg., August 1, 2007; 32(2): 201 - 201. [Full Text] [PDF]