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Ann Thorac Surg 2006;82:1307
© 2006 The Society of Thoracic Surgeons
Department of Cardiothoracic Surgery, Thoraxcentre, Bd 555, Dr Molewaterplein 40, Rotterdam, 3015 GD, the Netherlands
(Email: a.j.j.c.bogers@erasmusmc.nl).
| The first 20% of the full text of this article appears below. |
Multilevel left ventricular outflow tract obstruction may be due to valvular and subvalvular aortic stenosis. Subvalvular stenosis has a tunnel-like fibromuscular component, which may vary in exact location as well as in degree of obstruction. A Ross-Konno procedure can adequately deal with this problem, as the ultimate goal is to restore normal physiology and preserve left ventricular function. This situation is different from valvular aortic stenosis, in which a Ross-Konno procedure is done for annular enlargement to accommodate a large pulmonary autograft and the same ultimate goal. The differences are particularly relevant to the residual muscle rim on the autograft, particularly
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