Andrew W. Siefert, MS, Jorge H. Jimenez, PhD, Kevin J

Slides:



Advertisements
Similar presentations
Eric L. Pierce, BS, Andrew W. Siefert, PhD, Deborah M
Advertisements

Manuel J. Antunes, MD, PhD, DSc 
Aortic valve replacement in low-flow, low-gradient aortic stenosis: Left ventricular ejection fraction matters  Victor Dayan, MD, PhD, Philippe Pibarot,
Can papillary muscle interventions improve mitral valve repair durability for ischemic mitral regurgitation?  Christos G. Mihos, DO, Orlando Santana,
Eric L. Pierce, BS, Andrew W. Siefert, PhD, Deborah M
Successful surgical treatment of chronic ischemic mitral regurgitation achieves left ventricular reverse remodeling but does not affect right ventricular.
Danny Ramzy, MD, PhD, Alfredo Trento, MD, Wen Cheng, MD, Michele A
Mitral annular hinge motion contribution to changes in mitral septal–lateral dimension and annular area  Akinobu Itoh, MD, Daniel B. Ennis, PhD, Wolfgang.
Mitral annuloplasty in an infant with Barth syndrome and severe mitral insufficiency: First case report and determination of annular diameter  Shu-Chien.
In Vitro Mitral Valve Simulator Mimics Systolic Valvular Function of Chronic Ischemic Mitral Regurgitation Ovine Model  Andrew W. Siefert, MS, Jean Pierre.
Mitral surgery on the precipice of transformation
Intrinsic cardiac stem cells are essential for regeneration
Andrew W. Siefert, MS, Eric L. Pierce, BS, Madonna Lee, MD, Morten Ø
Muralidhar Padala, PhD, Jorge H. Jimenez, PhD, Ajit P
Abracadabra I, II…HeartMate 3?
Victor van Berkel, MD, PhD 
A new approach: Ischemic mitral regurgitation guidelines by and for surgeons  Patrick M. McCarthy, MD  The Journal of Thoracic and Cardiovascular Surgery 
Left ventricular apical papillary fibroelastoma
The lord of the rings  Antonio Miceli, MD, PhD 
Papillary heads “optimization” in repairing functional mitral regurgitation  Masashi Komeda, MD, PhD, Yutaka Koyama, Shunsuke Fukaya, Hideki Kitamura 
Jared P. Beller, MD, Irving L. Kron, MD 
The effect of pure mitral regurgitation on mitral annular geometry and three-dimensional saddle shape  Tom C. Nguyen, MD, Akinobu Itoh, MD, Carl J. Carlhäll,
Natural history of coexistent tricuspid regurgitation in patients with degenerative mitral valve disease: Implications for future guidelines  Andrew B.
The variability of the mitral valve anatomy and terminology
A new concept for correction of systolic anterior motion and mitral valve regurgitation in patients with hypertrophic obstructive cardiomyopathy  Joerg.
The assessment of cost effectiveness and the effectiveness of cost assessment in cardiothoracic surgery  Vinay Badhwar, MD  The Journal of Thoracic and.
It's not “just a shunt” but sometimes it should be…
Muralidhar Padala, BS, Nikolay V. Vasilyev, MD, James W
Real-time recording of annuloplasty suture dehiscence reveals a potential mechanism for dehiscence cascade  Eric L. Pierce, BS, Javier Gentile, MD, Andrew.
A first start for lung transplantation?
Right ventricular failure after cardiac surgery: Why can't right ventricular assist device support fix the problem?  Francis D. Pagani, MD, PhD  The Journal.
Acute hemodynamic effects of restrictive mitral annuloplasty in patients with end-stage heart failure: Analysis by pressure-volume relations  Sven A.F.
Dynamic RING + STRING for ischemic mitral regurgitation: Papillary muscle repositioning and modification of the septal–lateral diameter in the loaded.
Get it right the first time
Effect of anterior strut chordal transection on the force distribution on the marginal chordae of the mitral valve  Muralidhar Padala, PhD, Lazarina Gyoneva,
Surgery for aortic and mitral valve disease in the United States: A trend of change in surgical practice between 1998 and 2005  Scott D. Barnett, PhD,
Joseph A. Dearani, MD, Michael J. Ackerman, MD, PhD 
Kevin Bridge, MD, MSPH, Robert Saeid Farivar, MD, PhD 
Commentary: Faster recovery after complex neonatal cardiac surgery
Choice of second pericardial drainage tube for posterior placement
Tricuspid annuloplasty prevents right ventricular dilatation and progression of tricuspid regurgitation in patients with tricuspid annular dilatation.
Fenton H. McCarthy, MD, MS, Nimesh D. Desai, MD, PhD 
Leora B. Balsam, MD, Abe DeAnda, MD 
Replicating the success of mitral valve repair in the aortic valve
Mitral valve hemodynamics after repair of acute posterior leaflet prolapse: Quadrangular resection versus triangular resection versus neochordoplasty 
The Ross procedure: Time to reevaluate the guidelines
A saddle-shaped annulus reduces systolic strain on the central region of the mitral valve anterior leaflet  Jorge H. Jimenez, PhD, Shasan W. Liou, BSc,
Manuel J. Antunes, MD, PhD, DSc 
St Jude Medical Regent valve
Annular or subvalvular approach to chronic ischemic mitral regurgitation?  Frederick A. Tibayan, MD, Filiberto Rodriguez, MD, Frank Langer, MD, Mary K.
Passing the torch The Journal of Thoracic and Cardiovascular Surgery
Commentary: Three-dimensional P3 tethering angle at the heart of future surgical decision making in ischemic mitral regurgitation  Wobbe Bouma, MD, PhD,
Physiologic left ventricular reconstruction: Shape, function, and time recaptured  Gerald D. Buckberg, MD  The Journal of Thoracic and Cardiovascular Surgery 
The origins of open heart surgery at the University of Minnesota 1951 to 1956  Richard A. DeWall, MD  The Journal of Thoracic and Cardiovascular Surgery 
The Journal of Thoracic and Cardiovascular Surgery
Discussion The Journal of Thoracic and Cardiovascular Surgery
Severe tricuspid or mitral regurgitation in inoperable patients with aortic stenosis. Can we leave them alone?  Juan A. Crestanello, MD  The Journal of.
The future of cardiac surgery training: A survival guide
Ventricular assistant in restrictive cardiomyopathy: Making the right connection  Robert D.B. Jaquiss, MD  The Journal of Thoracic and Cardiovascular Surgery 
Tricuspid annulus diameter does not predict the development of tricuspid regurgitation after mitral valve repair for mitral regurgitation due to degenerative.
Bicuspid aortopathy: Seeing the forest for the trees
Where have all the mentors gone?
Ralph E. Delius, MD  The Journal of Thoracic and Cardiovascular Surgery 
“The more things change…”: The challenges ahead
Managing conflicts of interest
First in line for robotic surgery: Would you want to know?
Francesco Nappi, MD, Cristiano Spadaccio, MD, PhD 
Effects of Annular Size, Transmitral Pressure, and Mitral Flow Rate on the Edge-To- Edge Repair: An In Vitro Study  Jorge H. Jimenez, MS, Joseph Forbess,
Zone zero thoracic endovascular aortic repair is all about “location, location, location”  Kevin L. Greason, MD  The Journal of Thoracic and Cardiovascular.
Marc Gillinov, MD, Per Wierup, MD, PhD, Stephanie Mick, MD 
Presentation transcript:

Contractile mitral annular forces are reduced with ischemic mitral regurgitation  Andrew W. Siefert, MS, Jorge H. Jimenez, PhD, Kevin J. Koomalsingh, MD, Fernando Aguel, MS, Dustin S. West, BS, Takashi Shuto, MD, Teresa K. Snow, PhD, Robert C. Gorman, MD, Joseph H. Gorman, MD, Ajit P. Yoganathan, PhD  The Journal of Thoracic and Cardiovascular Surgery  Volume 146, Issue 2, Pages 422-428 (August 2013) DOI: 10.1016/j.jtcvs.2012.10.006 Copyright © 2013 The American Association for Thoracic Surgery Terms and Conditions

Figure 1 Developed mitral annular force transducer with measurement directions and features identified. (A) One-millimeter-diameter suture passages placed in 4-mm increments from the centerline of each measurement arm for transducer–annulus anchoring. (B) Strain gauge to measure septal–lateral force. (C) Strain gauge to measure transverse force. (D) Transducer spring element. (E) Exit wire harness. (F) Posterior mitral leaflet. (G) Anterior mitral leaflet. (H) Mitral annulus. The Journal of Thoracic and Cardiovascular Surgery 2013 146, 422-428DOI: (10.1016/j.jtcvs.2012.10.006) Copyright © 2013 The American Association for Thoracic Surgery Terms and Conditions

Figure 2 Representative unfiltered forces from both a control animal (A) and chronic IMR animal (B) are plotted with time and left ventricular pressure. IMR, Ischemic mitral regurgitation. The Journal of Thoracic and Cardiovascular Surgery 2013 146, 422-428DOI: (10.1016/j.jtcvs.2012.10.006) Copyright © 2013 The American Association for Thoracic Surgery Terms and Conditions

Figure 3 (A) The measured change in septal–lateral force throughout the cardiac cycle was observed to to be significantly greater in the control animals at each level of peak left ventricular pressure. (B) No significant differences in the change in transverse force throughout the cardiac cycle was observed between the animal groups and left ventricular pressure levels. IMR, Ischemic mitral regurgitation. *P < .01. †P < .005. The Journal of Thoracic and Cardiovascular Surgery 2013 146, 422-428DOI: (10.1016/j.jtcvs.2012.10.006) Copyright © 2013 The American Association for Thoracic Surgery Terms and Conditions