Mark C. Svendsen, PhD, A. George Akingba, MD, Anjan K

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Presentation transcript:

Conductance sizing balloon for measurement of peripheral artery minimal stent area Mark C. Svendsen, PhD, A. George Akingba, MD, Anjan K. Sinha, MD, Brooke Chattin, BS, Amelia Turner, BS, Margaret Brass, BS, Deepak L. Bhatt, MD, MPH, Ghassan S. Kassab, PhD Journal of Vascular Surgery Volume 60, Issue 3, Pages 759-766 (September 2014) DOI: 10.1016/j.jvs.2013.06.095 Copyright © 2014 Society for Vascular Surgery Terms and Conditions

Fig 1 a, An example of a conductance balloon (CB) catheter shows the balloon at the distal end and the injection port and electrode connector at the proximal end. b, This specific catheter contains a 5-mm-diameter, 24-mm-length balloon with electrode spacing of 4, 1, and 4 mm between consecutive electrodes inside the balloon. Journal of Vascular Surgery 2014 60, 759-766DOI: (10.1016/j.jvs.2013.06.095) Copyright © 2014 Society for Vascular Surgery Terms and Conditions

Fig 2 Bench accuracy for conductance balloon (CB) catheter sizing is shown in phantoms with diameters of 4 to 10 mm. The plots show (a) the identity relationship between the balloon measurement and the true dimension, with the solid black line as the identity line, and the (b) Bland-Altman analysis. SD, Standard deviation. Journal of Vascular Surgery 2014 60, 759-766DOI: (10.1016/j.jvs.2013.06.095) Copyright © 2014 Society for Vascular Surgery Terms and Conditions

Fig 3 Bench repeatability for conductance balloon (CB) catheter sizing is shown in phantoms with diameters of 4 to 10 mm. The plots show (a) the identity relationship between repeat measures, with the solid black line as the identity line, and (b) the Bland-Altman analysis. SD, Standard deviation. Journal of Vascular Surgery 2014 60, 759-766DOI: (10.1016/j.jvs.2013.06.095) Copyright © 2014 Society for Vascular Surgery Terms and Conditions

Fig 4 a, An example is shown of the temporal course of the conductance balloon (CB) catheter diameter/conductance measurement during inflation and deflation. b, A cine image shows a CB catheter during dilatation in vivo in an iliac stent in swine. Journal of Vascular Surgery 2014 60, 759-766DOI: (10.1016/j.jvs.2013.06.095) Copyright © 2014 Society for Vascular Surgery Terms and Conditions

Fig 5 In vivo swine (solid squares) and ex vivo human (open circles) conductance balloon (CB) accuracy is shown. a, The identity relationship between the CB measurement and the intravascular ultrasound (IVUS) dimension, with the solid black line as the identity line. b, The Bland-Altman analysis shows the mean ± two standard deviation (SD) lines for the in vivo analysis only. Journal of Vascular Surgery 2014 60, 759-766DOI: (10.1016/j.jvs.2013.06.095) Copyright © 2014 Society for Vascular Surgery Terms and Conditions

Fig 6 In vivo swine (solid squares) and ex vivo human (open circles) conductance balloon (CB) repeatability is shown. a, The identity relationship between repeat measures, with the solid black line as the identity line. b, The Bland-Altman analysis shows the mean ± two standard deviation (SD) lines for the in vivo analysis only. Journal of Vascular Surgery 2014 60, 759-766DOI: (10.1016/j.jvs.2013.06.095) Copyright © 2014 Society for Vascular Surgery Terms and Conditions