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Ann Thorac Surg 2004;77:1876
© 2004 The Society of Thoracic Surgeons

Correspondence

Increased border-zone stress in bulging ventricular aneurysm

Benjamin M. Jackson, MD, Joseph H. Gorman, III, MD, Robert C. Gorman, MD

Department of Surgery, Hospital of the University of Pennsylvania, 3400 Spruce St 4 Silverstein Pavilion, Philadelphia, PA 19104, USA

e-mail: benjamin.jackson@uphs.upenn.edu

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

To the Editor:

We were intrigued with the biomechanical study of left ventricular (LV) aneurysm by Bartel and colleagues [1]. We are concerned that the physical properties of their experimental model substantially limit the validity and clinical applicability of their conclusions. Specifically, we question the use of a ventricular wall thickness of 0.3 mm. Also, given that prior descriptions of the model appear only in German, in international symposiums, and in dissertations, we wonder what are the Young modulus (Y) and the Poisson's ratio ({nu}) of the rubber model.

The authors draw two principle conclusions from their experimental data. The first . . . [Full Text of this Article]






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