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The Annals of Thoracic Surgery, Vol 36, 29-36, Copyright © 1983 by The Society of Thoracic Surgeons
WC Sealy
In 17 patients with right free wall accessory pathways of conduction of the
Kent type, three different operations were used that evolved as the
surgical experience increased. Localization was by intraoperative
electrophysiological methods in 16 patients and by preoperative study in 1.
The types of operation were an epicardial ventricular approach in 2
patients, an endocardial atrial approach in 14, and an epicardial approach
without atriotomy using cryothermic ablation in 1. The most important
surgical principle was extensive separation of the coronary sulcus fat from
the atrium, annulus fibrosus, and ventricle. All pathways were interrupted,
although 1 patient had to have a second operation. There were no deaths or
serious complications. The success of operation in Patient 1 in our series
of 17 patients with right free wall pathways proved that Kent bundles cause
the arrhythmia in Wolff- Parkinson-White syndrome. It is concluded that the
principles on which are based the surgical treatment of arrhythmias due to
right free wall Kent bundles are well established and that in selected
patients, the operation may be done without cardiopulmonary bypass.
ARTICLES
The evolution of the surgical methods for interruption of right free wall Kent bundles
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