Andrew W. Siefert, MS, Eric L. Pierce, BS, Madonna Lee, MD, Morten Ø

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Presentation transcript:

Suture Forces in Undersized Mitral Annuloplasty: Novel Device and Measurements Andrew W. Siefert, MS, Eric L. Pierce, BS, Madonna Lee, MD, Morten Ø. Jensen, PhD, Chikashi Aoki, MD, Satoshi Takebayashi, MD, Joan Fernandez Esmerats, MS, Robert C. Gorman, MD, Joseph H. Gorman, MD, Ajit P. Yoganathan, PhD The Annals of Thoracic Surgery Volume 98, Issue 1, Pages 305-309 (July 2014) DOI: 10.1016/j.athoracsur.2014.02.036 Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions

Fig 1 (A) Schematic of transducer with (a) mounting holes for ring mounting, (b) mattress suture passages, (c) strain gauge for force measurement, and (d) exiting wires. (B) Completed transducer. (C) Schematic of implanted ring with suture induced transducer deformation and force measurement. (D) Device implantation. (E) Arrow identifies the implanted transducer imaged by fluoroscopy. The Annals of Thoracic Surgery 2014 98, 305-309DOI: (10.1016/j.athoracsur.2014.02.036) Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions

Fig 2 Box-and-whisker plot exploring the distribution of suture forces occurring over ten consecutive cardiac cycles for each level of left ventricular pressure (LVP). The Annals of Thoracic Surgery 2014 98, 305-309DOI: (10.1016/j.athoracsur.2014.02.036) Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions