Ali N. Azadani, Sam Chitsaz, Peter B. Matthews, Nicolas Jaussaud, James Leung, Liang Ge, Elaine E. Tseng Department of Surgery, University of California at San Francisco Medical Center (UCSF) and San Francisco Veterans Affairs Medical Center (SFVAMC), San Francisco, CA, USA |
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Background and aim of the study: Significant dilation of the pulmonary autograft after the Ross operation is problematic and requires reoperation. Autograft remodeling occurs in response to the immediate rise in pressure and consequent wall stress. The stress-strain response of the pulmonary root plays an important role in understanding the structural and functional changes of the autograft following the Ross procedure. At present, limited data are available on the mechanical properties of fresh human pulmonary roots; hence, the study aim was to determine the regional mechanical properties of human pulmonary roots. |
Histologic analyses were also performed of the fibrous structures of the PA and sinuses. |
Regional Mechanical Properties of Human Pulmonary Root Used for the Ross Operation |
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