2003 Southern Biomedical Engineering Conference
and Symposium on Aortic Valve Sparing Surgery

September 26-28, 2003

 
 
 
 
 
 

SCIENTIFIC PROGRAM FOR SYMPOSIUM ON
AORTIC VALVE SPARING SURGERY


Friday, September 26, 2003
Charlotte Marriott City Center


Welcome/Introduction
Salon D
   
9:00 – 9:15 AM
INTRODUCTION - DAY ONE
Dr. Mano J. Thubrikar, Dr. Francis Robicsek, Mr. Paul Franz
Carolinas Medical Center
   
Valve Sparing I
Salon D

Chairmen:
Dr. Hans-Joachim Schäfers
Dr. Steven Westaby

9:15 - 10:30 AM (15 minutes each)
   
9:15 AM REMODELING OR REIMPLANTATION - IS THERE A CLINICAL DIFFERENCE?
Hans-Joachim Schäfers, MD
Universitätskliniken des Saarlandes

9:30 AM VALVE-SPARING AORTIC SURGERY: INTERMEDIATE-TERM OUTCOMES WITH A MODIFIED PROCEDURE
G. Michael Deeb, MD, Mary C Proctor, MS
University of Michigan Medical Center

9:45 AM AORTIC ROOT REPAIR IN ATHEROMATOUS ANEURYSMS: THE ROLE OF SELECTIVE SINUS REPLACEMENT
Dr. Steven Westaby
Oxford Heart Centre, Oxford, UK

10:00 AM ALTERATION OF OPENING AND CLOSING CUSP DYNAMICS AFTER AORTIC VALVE SPARING OPERATIONS
A. Moritz, T. Wöhleke, A. Miskovic, M. Doss, G. Wimmer-Greinecker, T. Aybek
Department of Cardiothoracic Surgery, University of Frankfurt, Germany

10:15 AM AORTIC ROOT DILATION OFTEN ALTERS THE DIMENSIONS OF THE VALVE LEAFLETS
Mano J. Thubrikar, PhD, FAHA, Kenton J. Zehr*, MD, Francis Robicsek, MD, PhD, Geoffrey G. Gong, MD, Michel R. Labrosse, PhD, Brett L. Fowler, BS
Heineman Medical Research Laboratory, Department of Thoracic and Cardiovascular Surgery at Carolinas Medical Center, Charlotte, NC, *Division of Cardiovascular Surgery, Mayo Clinic, Rochester, Minnesota

10:30 - 10:45 AM Panel Discussion

10:45 - 11:00 AM Coffee Break

   
Valve Sparing II
Salon D

Chairmen:
Dr. Joseph Coselli
Dr. Hans-Hinrich Sievers

11:00 - 12:00 AM (15 minutes each)
   
11:00 AM AORTIC VALVE SPARING SURGERY: A SINGLE SURGEON'S EXPERIENCE
Dr. Joseph Coselli
Baylor College of Medicine, Houston, TX

11:15 AM AORTIC VALVE CONSERVATION IN ACUTE TYPE A DISSECTION
Dr. Steven Westaby
Oxford Heart Centre, Oxford, UK

11:30 AM IN VITRO HEMODYNAMICS, VALVE MOTION CHARACTERISTICS AND ROOT DISTENSIBILITY OF DIFFERENT AORTIC VALVE SPARING TECHNIQUES -REMODELING, REIMPLANTION, SINUS PROSTHESIS
Hans-Hinrich Sievers
Klinik für Herzchirurgie der med. Universität zu Lübeck, Germany

11:45 AM A NEW AORTIC ROOT PROSTHESIS WITH COMPLIANT SINUSES FOR VALVE-SPARING OPERATIONS
Mano J. Thubrikar, PhD, FAHA, Francis Robicsek MD, PhD, Geoffrey G. Gong, MD, Brett L. Fowler, BS
Heineman Medical Research Laboratory and the Department of Thoracic and Cardiovascular Surgery at Carolinas Medical Center, Charlotte, North Carolina

12:00 - 12:15 PM Panel Discussion

12:15 - 1:15 PM Lunch Break

   
Valve Sparing, Repair - Bicuspid Valve
Salon D

Chairmen:
Dr. Francis Robicsek
Dr. François Dagenais

1:15 - 2:30 PM (15 minutes each)
   
1:15 PM THE CONGENITALLY BICUSPID AORTIC VALVE. HOW DOES IT FUNCTION? WHY DOES IT FAIL?
Francis Robicsek, MD, PhD, Mano J. Thurikar, PhD
Department of Thoracic and Cardiovascular Surgery and Heineman Medical Research Laboratory at Carolinas Medical Center, Charlotte, North Carolina

1:30 PM 10 YEARS FOLLOW-UP AFTER VALVE SPARING CORRECTION OF INCOMPETENT BICUSPID AORTIC VALVES
Reinhard Moidl MD, Marie-Theres Kasimir MD, Natascha Simon-Kupilik MD, Elena Deviatko MD, Ernst Wolner MD, Paul Simon MD
Department of Cardiothoracic Surgery, University of Vienna, Austria

1:45 PM AORTIC VALVE SPARING PROCEDURE WITH CUSP ELONGATION AND FREE EDGE REINFORCEMENT FOR BICUSPID AORTIC VALVE
F Dagenais, P Mathieu
Laval Hospital, Québec, Canada


2:00 PM REPAIR OF REGURGITANT BICUSPID AORTIC VALVE ASSOCIATED OR NOT TO ANEURYSM OF THE ASCENDING AORTA
G El Khoury, D Glineur, J Rubay, R Verhelst, Y d’Udekem d’Acoz, A Poncelet, P Astarci, JC Funken, Ph Noirhomme
Cliniques Saint-Luc, Bruxelles, Belgium

2:15 PM PERICARDIAL PATCH AUGMENTATION REPAIR OF BICUSPID AORTIC VALVES
A. Moritz, A. Miskovic. T. Aybek, M. Doss, G. Wimmer-Greinecker
Department of Cardiothoracic Surgery, University of Frankfurt, Germany

2:30 PM Panel Discussion

   
Bioprostheses, Valve and Tissue Engineering
Salon D

Chairmen:
Dr. Robert W. M. Frater
Dr. Christina Guenter

2:45 - 5:24 PM (18 minutes each - with questions and answers)
   
2:45 PM COMPARISON OF EARLY HEMODYNAMIC AND CLINICAL OUTCOMES AFTER AORTIC VALVE REPLACEMENT USING SECOND AND THIRD GENERATION STENTED BIOPROSTHESES
Anil John, Gina Twine, Maxine Edwards, A. Khan, Jonathan Unsworth-White
Southwest Cardiothoracic Centre, Derriford Hospital, Plymouth, United Kingdom

3:03 PM THE FREESTYLE BIOPROSTHESIS IN PATIENTS OLDER THAN 80 YEARS: RISK OF OPERATIVE MORTALITY AND POSTOPERATIVE COMPLICATIONS
Jürgen Ennker, MD, PhD
Heart Institute Lahr/Baden, Germany

3:21 - 3:36 PM Coffee Break

3:36 PM ST. JUDE TORONTO BIOLOGIC AORTIC ROOT PROSTHESIS: EARLY FDA PHASE II IDE STUDY RESULTS
Joseph Bavaria , MD
The Hospital of University of Pennsylvania, Philadelphia, PA

3:54 PM ASCENDING AORTOPLASTY: IS IT DEAD OR IS IT ALIVE? A REVIEW
F Robicsek, MD PhD, MJ Thubrikar, PhD, J Cook, MD, M Reames, MD, E Skipper, MD
Department of Thoracic and Cardiovascular Surgery and Heineman Medical Research Laboratories at Carolinas Medical Center, Charlotte, North Carolina

4:12 PM COMPARING THE FLOW DYNAMICS IN THE NATURAL AORTIC ROOT AND THE TUBE GRAFT ROOT USED IN VALVE SPARING
Chun-An Lin, PhD, Mano J. Thubrikar, PhD, FAHA, Francis Robicsek, MD, PhD
Heineman Medical Research Laboratory at Carolinas Medical Center, Charlotte, North Carolina

4:30 PM SCAFFOLD INDUCED COLLAGEN FORMATION IN TISSUE ENGINEERED MITRAL VALVE SUBSTITUTES
SB Mitchell, JE Sanders
Department of Bioengineering, University of Washington, Seattle, WA

4:48 PM OPTIMAL CELL SOURCES FOR HEART VALVE TISSUE ENGINEERING
C.I. Guenter, S. Neuenschwander, D. Schmidt, G. Zund, M.I. Turina, S.P. Hoerstrup
Clinic for Cardiovascular Surgery, University Hospital Zurich, Switzerland

5:06 PM IMPROVED LOAD-BEARING PROPERTIES FOR TISSUE ENGINEERING OF AORTIC HEART VALVES
Anita Mol ¹, ², Carlijn V.C. Bouten ², Christina Guenter ¹, Frank P.T. Baaijens ², Jeroen F. Visjager ³, Gregor Zünd ¹, Marko I. Turina ¹, Simon P. Hoerstrup ¹
¹ University Hospital Zürich, Clinic for Cardiovascular Surgery, Switzerland, ² Eindhoven University of Technology, Department of Biomedical Engineering, The Netherlands, ³ Swiss Federal Institute of Technology Zürich, Department of Materials, Switzerland
5:24 PM Adjourn

   

SCIENTIFIC PROGRAM FOR SYMPOSIUM ON
AORTIC VALVE SPARING SURGERY


Saturday, September 27, 2003
Charlotte Marriott City Center - Salon D

 
 
Welcome/Introduction
Salon D

   
9:00 – 9:05 AM
INTRODUCTION - DAY TWO
Dr. Charles M. Edmondson
President of Alfred University


9:05– 9:30 AM SPECIAL PRESENTATION: THE AORTIC ROOT AND THE SURGEON - AN EVOLUTIONARY TALE
Professor Sir Magdi Yacoub
Heart Science Centre, Harefield, UK


   
Valve Sparing III
Salon D

Chairmen:
Dr. Lars Svensson
Dr. Kenton J. Zehr

9:30 –10:30 AM (15 minutes each)
   
9:30 AM VALVE-SPARING AORTIC ROOT REPLACEMENT IN THE MARFAN SYNDROME
Duke Cameron MD (Vincent Gott, MD, filling in)
The Johns Hopkins Hospital, Baltimore, MD

9:45 AM MODIFIED AORTIC VALVE AND ROOT REIMPLANTATION DURING AORTIC OPERATIONS
Lars Svensson
Center for Aortic Surgery, Marfan and Connective Tissue Disorder Clinic, The Cleveland Clinic Foundation, Cleveland, Ohio

10:00 AM AORTIC VALVE SPARING SURGERY AND CUSP PROLAPSE: TO TREAT AND TO DETECT
G El Khoury, D Glineur, J Rubay, R Verhelst, Y d’Udekem d’Acoz, A Poncelet, P Astarci, JC Funken, Ph Noirhomme
Cliniques Saint-Luc, Bruxelles, Belgium


10:15 - 10:30 AM Panel Discussion

10:30 - 10:45 AM Coffee Break

   
Valve Sparing IV
Salon D

Chairmen:
Dr. Gebrine El Khoury
Dr. Mano J. Thubrikar

10:45 - 11:45 AM (15 minutes each)
   
10:45 AM PITFALLS OF VALVE-PRESERVING AORTIC ROOT RECONSTRUCTION AND MECHANISMS OF FAILURE
Dr. Kenton Zehr
Division of Cardiovascular Surgery Mayo Clinic, Rochester, MN

11:00 AM IMPROVING RESULTS AFTER AORTIC ROOT REMODELING WITH VALVE PRESERVATION
GB Luciani, G Casali, L Lanzoni*, F Viscardi, M Arieti, A Mazzucco
Division of Cardiac Surgery, University of Verona, and Division of Cardiology, Negrar Hospital*, Verona, Italy

11:15 AM AORTIC VALVE AND ROOT REMODELING DURING AORTIC OPERATIONS
Lars Svensson
Center for Aortic Surgery, Marfan and Connective Tissue Disorder Clinic, The Cleveland Clinic Foundation, Cleveland, Ohio

11:30 AM THE SCIENCE OF VALVE SPARING
Mano J. Thubrikar, PhD, FAHA
Heineman Medical Research Laboratory at Carolinas Medical Center, Charlotte, North Carolina

11:45 - 12:00 Noon Panel Discussion

12:00 - 1:00 PM Lunch

   
Valve, Bioprostheses and Bioengineering
Salon D

Chairmen:
Dr. Stanton P. Nolan
Dr. Karen May-Newman

1:00 - 3:24 PM (18 minutes each - with questions and answers)
   
1:00 PM A SIMPLE VALVE SIZER FOR INTRAOPERATIVE SINOTUBULAR JUNCTION AND AORTIC LEAFLET FREE MARGIN MEASUREMENTS TO ENSURE PRECISE AORTIC VALVE REPAIR
Paul L. DiGiorgi, MD, Jennifer Fal, BS, Yoshifumi Naka, MD, PhD, Mehmet C.Oz, MD
Div. of Cardiothoracic Surgery, Department of Surgery, Columbia University, New York, NY

1:18 PM MYOCARDIAL PRESERVATION IN VALVE SPARING AORTIC SURGERY
Dr. Franceasco Siclari
Division of Cardiac Surgery, Cardiocentro Ticino, Lugano, Switzerland

1:36 PM A COMPUTATIONAL MODEL FOR PREDICTING HEART FUNCTIONING AFTER VALVE REPLACEMENT
M Stijnen¹, J De Hart.¹,², BA De Mol ¹,² and FN Van De Vosse ¹
¹ Dept. BioMedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands, ² Dept. CardioThoracic Surgery, Academic Medical Center, Amsterdam, The Netherlands

1:54 PM NONHOMOGENEOUS DEFORMATION OF THE MITRAL VALVE UNDER PRESSURE LOADING
Ling Chen,,Andrew McCulloch, PhD*, Karen May-Newman, PhD
Dept. of Mechanical Engineering, San Diego State University, San Diego, CA *Dept. of Bioengineering, University of California, San Diego, La Jolla, CA

2:12 PM LARGE-DISPLACEMENT 3D STRUCTURAL ANALYSIS OF AN AORTIC VALVE MODEL WITH NON-LINEAR MATERIAL PROPERTIES
Adrian Ranga¹, Rosaire Mongrain¹,², Raymond Cartier²
¹ Mechanical Engineering, McGill University, Montreal, Canada, ² Montreal Heart Institute, Canada

2:30 PM FINITE ELEMENT STUDY OF 3-D CURVED CUSPS (“H-MOLD”) VERSUS THE “3F” PERICARDIAL AORTIC VALVE BIOPROSTHESIS
Khee Hiang Lim¹, Joen Lieh Ong¹, Joon Hock Yeo¹, Carlos M. G. Duran²
¹ Nanyang Technological University, Singapore; ² The International Heart Institute of Montana Foundation, Missoula, Montana

2:48 PM MODELING FAILURE IN BOVINE PERICARDIUM
Raffaella De Vita, William S. Slaughter
Department of Mechanical Engineering
Michael S. Sacks, Engineering Tissue Mechanics Laboratory, Department of Bioengineering, University of Pittsburgh, PA

3:06 PM COMPUTATIONAL FLUID DYNAMICS OF THE AORTIC VALVE DURING THE SYSTOLIC PERIOD
Chun-An Lin, PhD, Mano J. Thubrikar, PhD, FAHA, Francis Robicsek , MD, PhD.
Heineman Medical Research Laboratory at Carolinas Medical Center, Charlotte, North Carolina

3:24 - 3:39 PM Coffee Break

   
Biomedical Engineering Sessions
Salon D

See Bioengineering Program for details
   
3:39– 5:27 PM
MEDICAL IMAGING
Chairmen:
Dr. Serguei Semenov
Dr. K. R. Subramanian


5:27 PAM Adjourn

   
 
2003 Southern Biomedical Engineering Conference and Symposium on Aortic Valve Sparing Surgery
September 26 - 28, 2003 - Charlotte NC, USA

Sponsored by
Heineman Medical Research Center
The Carolinas Heart Institute
The Sanger Clinic, PA
Alfred University, Alfred, New York
The University of North Carolina at Charlotte

Conference Chairman: Dr. Mano J. Thubrikar, PhD, FAHA - Heineman Medical Research Laboratories
Conference Co-Chair: Dr. Francis Robicsek, MD, PhD - The Carolinas Heart Institute, Charlotte, NC
Conference Co-Chair: Dr. Subrata Saha - Alfred University, New York, USA

Heineman Medical Research Laboratories, Carolinas Medical Center
1000 Blyth Blvd., Charlotte NC 28203, USA
Phone: 704 355 3200 * Fax: 704 355 1435