Asymmetric Mechanical Properties of Porcine Aortic Sinuses

Slides:

Advertisements

Similar presentations

Ali N. Azadani, PhD, Nicolas Jaussaud, MD, Peter B

Advertisements

Aortic Root Biomechanics After Sleeve and David Sparing Techniques: A Finite Element Analysis Giordano Tasca, MD, Matteo Selmi, MS, Emiliano Votta, PhD,

The STS National Database

Ali N. Azadani, PhD, Sam Chitsaz, MD, Peter B

Perforation of the Valsalva Sinus After Implantation of Medtronic Freestyle Aortic Bioprosthesis Nobuchika Ozaki, MD, Yutaka Hino, MD, Yuji Hanafusa,

Sutureless Perceval Aortic Valve Replacement: Results of Two European Centers Thierry A. Folliguet, MD, François Laborde, MD, Konstantinos Zannis, MD,

Aortic Root Biomechanics After Sleeve and David Sparing Techniques: A Finite Element Analysis Giordano Tasca, MD, Matteo Selmi, MS, Emiliano Votta, PhD,

Poor Left Ventricular Performance in a Child With Coronary Sinus Stenosis: Successful Surgical Repair Sergey V. Gorbachevsky, MD, PhD, Anton A. Shmaltz,

Biomechanics of Failed Pulmonary Autografts Compared to Native Aortic Roots Aart Mookhoek, MD, Kapil Krishnan, PhD, Sam Chitsaz, MD, PhD, Heide Kuang,

Lisa M. Brown, MD, MAS, David T. Cooke, MD, Elizabeth A. David, MD

Herbert Sloan, MD, October 10, May 17, 2013

Transaortic Valve-in-Valve Implantation After Previous Aortic Root Homograft Leo Ihlberg, MD, PhD, Antero Sahlman, MD, Juha Sinisalo, MD, Janne Rapola,

Stent and Leaflet Stresses in 29-mm Second-Generation Balloon-Expandable Transcatheter Aortic Valve Yue Xuan, PhD, Kapil Krishnan, PhD, Jian Ye, MD,

Surgical Anatomy of the Aortic Annulus: Landmarks for External Annuloplasty in Aortic Valve Repair Nizar Khelil, MD, Ghassan Sleilaty, MD, Michele Palladino,

Muhammad S. Khan, MD, Matthew R

Lindsay C.H. John, MD, FRCS The Annals of Thoracic Surgery

In-Vivo Dynamic Deformation of the Mitral Valve Anterior Leaflet

Harry A. Dwyer, PhD, Peter B

Reply The Annals of Thoracic Surgery

Simple Index to Predict Likelihood of Skilled Nursing Facility Admission After Coronary Artery Bypass Grafting Among Older Patients David C. Chang, PhD,

Surgical Resection of a Giant Coronary Aneurysm

G. Chad Hughes, MD, Madhav Swaminathan, MD, Walter G. Wolfe, MD

Origins of the Cardiothoracic Surgery Network (CTSNet)

Sam Chitsaz, MD, Nicolas Jaussaud, MD, Edward Chau, MD, Kimberly S

Who Do You Say You Are? The Annals of Thoracic Surgery

Replacement of the Ascending Aorta, Aortic Root, and Valve with a Novel Stentless Valved Conduit Kelvin K.W. Lau, MRCS, DPhil, Krystyna Bochenek-Klimczyk,

Which Patients Benefit From Stentless Aortic Valve Replacement?

Residual Stress Impairs Pump Function After Surgical Ventricular Remodeling: A Finite Element Analysis Joe Luis Pantoja, Zhihong Zhang, Mehrzad Tartibi,

Effects of Aneurysm on the Mechanical Properties and Histologic Structure of Aortic Sinuses Eleftherios P. Kritharis, PhD, Dimitrios C. Iliopoulos, MD,

Use of Amiodarone After Major Lung Resection

Patient-Specific Finite Element–Based Analysis of Ventricular Myofiber Stress After Coapsys: Importance of Residual Stress Richard Carrick, BS, Liang.

Anomalous Origin of Left Pulmonary Artery From Left Subclavian Artery

Effect of aneurysm on the tensile strength and biomechanical behavior of the ascending thoracic aorta David A Vorp, PhD, Brian J Schiro, BS, Marek P.

Bicuspidization of the Unicuspid Aortic Valve: A New Reconstructive Approach Hans-Joachim Schäfers, MD, Diana Aicher, MD, Svetlana Riodionycheva, MD,

Aortic Valve Pathology as a Predictive Factor for Acute Aortic Dissection Denis Berdajs, MD, Selim Mosbahi, MD, Enrico Ferrari, MD, Dominique Charbonnier,

Biomechanics of Failed Pulmonary Autografts Compared With Normal Pulmonary Roots Aart Mookhoek, MD, Kapil Krishnan, PhD, Sam Chitsaz, MD, Heide Kuang,

Hybrid Management of a Giant Left Main Coronary Artery Aneurysm

Percutaneous Transcatheter Closure of the Aortic Valve

Haiming Li, MD, Chengxiong Gu, MD The Annals of Thoracic Surgery

Neurofibromatosis of the Esophagus

Embolized Methyl Methacrylate to the Right Atrium After Kyphoplasty

Kirill O. Barbukhatty, MD, PhD, Sergey Y. Boldyrev, MD, Olga A

Wall Stress and Geometry of the Thoracic Aorta in Patients With Aortic Valve Disease Barry J. Doyle, PhD, Paul E. Norman, DS, Peter R. Hoskins, DSc, David.

Editorial Board, January 2010

Understanding Mortality as a Quality Indicator After Esophagectomy

Erosion of an Amplatzer Septal Occluder Device Into the Aortic Root

The Annals of Thoracic Surgery

Brian M. Cardis, MD, Derek A. Fyfe, MD, PhD, William T. Mahle, MD

Sequential Design for Clinical Trials Evaluating a Prosthetic Heart Valve Cody Hamilton, PhD, Michael Lu, PhD, Steven Lewis, PhD, William Anderson, PhD

Paul Urbanski, MD, PhD The Annals of Thoracic Surgery

Iatrogenic Aortic Dissection: One or More Entities?

New Aortic Root Remodeling Surgery in Aortic Root Aneurysm

Invited Commentary The Annals of Thoracic Surgery

Robert Lee Replogle, September 30, 1931–May 9, 2016

The American Board of Thoracic Surgery: Update

Late Outcomes for Surgical Repair of Supravalvar Aortic Stenosis

Left Ventricular Pacing Through the Anterior Interventricular Vein in a Patient With Mechanical Tricuspid, Aortic and Mitral Valves Masataka Yoda, MD,

Comparing Aortic Root Replacements: Porcine Bioroots Versus Pericardial Versus Mechanical Composite Roots: Hemodynamic and Ventricular Remodeling at Greater.

Ali N. Azadani, PhD, Nicolas Jaussaud, MD, Peter B

Experience With Bovine Pericardium for the Reconstruction of the Aortic Arch in Patients Undergoing a Norwood Procedure Victor O. Morell, MD, Peter A.

Clemens Aigner, MD, Ernst Wolner, MD, Werner Mohl, MD, PhD

Mark I. Block, MD The Annals of Thoracic Surgery

Surgery for Anomalous Aortic Origin of the Coronary Artery

Utilization and Outcomes of Unprotected Left Main Coronary Artery Stenting and Coronary Artery Bypass Graft Surgery Chuntao Wu, MD, PhD, Edward L. Hannan,

Michael H. Hines, MD, Neal D. Kon, MD The Annals of Thoracic Surgery

Bicuspid Aortic Valves and Dilatation of the Ascending Aorta: Reply

The Impact of New Technology on Cardiothoracic Surgical Practice

Material Properties of CorCap Passive Cardiac Support Device

Aortic Valve Sparing Root Replacement With Unroofing and Reconstruction of an Anomalous Right Coronary Artery Giorgio Zanotti, MD, Rajan Gupta, MD, Thomas.

Location of the Second Internal Mammary Artery Graft Does Not Influence Outcome of Coronary Artery Bypass Grafting Paul A. Kurlansky, MD, Ernest A. Traad,

Presentation transcript:

Asymmetric Mechanical Properties of Porcine Aortic Sinuses Namrata Gundiah, PhD, Kimberly Kam, BS, Peter B. Matthews, BS, Julius Guccione, PhD, Harry A. Dwyer, PhD, David Saloner, PhD, Timothy A.M. Chuter, MD, T. Sloane Guy, MD, Mark B. Ratcliffe, MD, Elaine E. Tseng, MD The Annals of Thoracic Surgery Volume 85, Issue 5, Pages 1631-1638 (May 2008) DOI: 10.1016/j.athoracsur.2008.01.035 Copyright © 2008 The Society of Thoracic Surgeons Terms and Conditions

Fig 1 Schematic of the aortic root showing the locations from which the tissues were excised for mechanical experiments. (L. = left; LC = left coronary sinus; NC = noncoronary sinus; R. = right; RC = right coronary sinus; x axis = circumferential; y axis = longitudinal.) The Annals of Thoracic Surgery 2008 85, 1631-1638DOI: (10.1016/j.athoracsur.2008.01.035) Copyright © 2008 The Society of Thoracic Surgeons Terms and Conditions

Fig 2 Custom-built biaxial stretcher used in the experiments. The Annals of Thoracic Surgery 2008 85, 1631-1638DOI: (10.1016/j.athoracsur.2008.01.035) Copyright © 2008 The Society of Thoracic Surgeons Terms and Conditions

Fig 3 Cauchy stress (Txx, Tyy) versus Green strain (Exx, Eyy) curves for the left coronary sinus (top), right coronary sinus (middle), and noncoronary sinus (bottom) tissues in the study, constructed using the coefficients to the Fung strain energy function obtained by the Levenberg-Marquardt optimization method. The Annals of Thoracic Surgery 2008 85, 1631-1638DOI: (10.1016/j.athoracsur.2008.01.035) Copyright © 2008 The Society of Thoracic Surgeons Terms and Conditions

Fig 4 Sample 15 from a noncoronary sinus. The principal strains in x and y directions as well as shear strains were calculated from the four triangles. Strains were similar for all four triangles, demonstrating mostly homogeneous deformation. The Annals of Thoracic Surgery 2008 85, 1631-1638DOI: (10.1016/j.athoracsur.2008.01.035) Copyright © 2008 The Society of Thoracic Surgeons Terms and Conditions

Fig 5 Composite Cauchy stress curves (Txx, Tyy) for the left coronary sinus (LC), the right coronary sinus (RC), and the noncoronary (NC) sinus tissues in the study. Each individual curve is constructed using the average value of the coefficients to the strain energy function, as shown in Table 1. The Annals of Thoracic Surgery 2008 85, 1631-1638DOI: (10.1016/j.athoracsur.2008.01.035) Copyright © 2008 The Society of Thoracic Surgeons Terms and Conditions

Fig 6 Tissue stiffness computed at a Green strain of 0.3, comparing (A) left coronary sinus (LC), the right coronary sinus (RC), and the noncoronary (NC) sinus stiffness, and (B) longitudinal versus circumferential stiffness for each sinus. The Annals of Thoracic Surgery 2008 85, 1631-1638DOI: (10.1016/j.athoracsur.2008.01.035) Copyright © 2008 The Society of Thoracic Surgeons Terms and Conditions