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J Thorac Cardiovasc Surg 2003;125:198-199
© 2003 The American Association for Thoracic Surgery

Brief Communications

The quadricuspid pulmonary valve: Its importance in the Ross procedure

From the Departments of Anatomy and Histology and Embryology,^a Laboratory for Applied and Clinical Anatomy, Semmelweis University Budapest, and the Department of Cardiovascular Surgery,^b University Hospital Zurich, Switzerland.

Received for publication March 11, 2002. Accepted for publication March 29, 2002. Address for reprints: Denis Berdajs, MD, University Hospital Zürich, Department of Cardiovascular Surgery, Rämistrasse 100, CH-8091 (E-mail: denis.berdajs@chi.usz.ch).

The first 20% of the full text of this article appears below.

The quadricuspid pulmonary valve is a rare congenital anomaly that can appear as an isolated morphologic variation or in the presence of other cardiac anomalies. Approximately 200 cases of quadricuspid pulmonary valves have been reported to date. Despite the relatively large number of reported cases, this is the first report detailing the anatomy of this malformation.

With the present renaissance of the Ross operation, a great deal of attention has been given to every facet of this procedure. The quadricuspid pulmonary valve is an example of congenital malformations of the pulmonary valve, which are very difficult to diagnose preoperatively. This could have an effect on the planning and outcome of the Ross operation and can seriously affect not only the operating procedure but also the postoperative quality of life. Previously, nearly all cases of quadricuspid pulmonary valve were reported as coincidental postmortem findings, and only one case was diagnosed in a viable newborn child. Because its clinical symptoms are very modest, the diagnosis of a quadricuspid pulmonary valve could be overlooked during clinical investigations. ¹

Pulmonary valve lesions are invariably congenital in origin. Because the aortic and pulmonary valves have a common morphogenesis, the quadricuspid pulmonary valve is frequently associated with anomalies of the aortic valve. ² It is well known that the Ross . . . [Full Text of this Article]

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				S.-P. Sommer, C. Bara, T. Kofidis, A. Haverich, and U. Klima Ross procedure with a quadricuspid pulmonary autograft J. Thorac. Cardiovasc. Surg., July 1, 2005; 130(1): 212 - 213. [Full Text] [PDF]

				F. Settepani, A. Kaya, W. J. Morshuis, M. A. Schepens, R. H. Heijmen, and K. M. Dossche The Ross Operation: An Evaluation of a Single Institution's Experience Ann. Thorac. Surg., February 1, 2005; 79(2): 499 - 504. [Abstract] [Full Text] [PDF]