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Duplex criteria for determination of in-stent stenosis after angioplasty and stenting of the superficial femoral artery  Donald T. Baril, MD, Robert Y.

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Presentation on theme: "Duplex criteria for determination of in-stent stenosis after angioplasty and stenting of the superficial femoral artery  Donald T. Baril, MD, Robert Y."— Presentation transcript:

1 Duplex criteria for determination of in-stent stenosis after angioplasty and stenting of the superficial femoral artery  Donald T. Baril, MD, Robert Y. Rhee, MD, Justine Kim, MD, Michel S. Makaroun, MD, Rabih A. Chaer, MD, Luke K. Marone  Journal of Vascular Surgery  Volume 49, Issue 1, Pages (January 2009) DOI: /j.jvs Copyright © 2009 The Society for Vascular Surgery Terms and Conditions

2 Fig 1 A, Duplex ultrasound results demonstrate elevated velocity of 295 cm/s in the middle portion of a superficial femoral artery stent. B, Arteriogram demonstrates a superficial femoral artery midstent 70% stenosis. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2009 The Society for Vascular Surgery Terms and Conditions

3 Fig 2 Scatter plots of the (A) peak systolic velocities (PSV), (B) in-stent PSV to proximal superficial femoral artery (SFA) PSV ratio, and (C) decrease in ankle-brachial index (ABI) correlate with angiographic stenosis in stented SFAs. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2009 The Society for Vascular Surgery Terms and Conditions

4 Fig 3 Receiver operator characteristic (ROC) curves differentiate between ≥50% and <50% stenosis in stented arteries by (A) peak systolic velocity (PSV) and (B) velocity ratio. Differentiation between ≥80% and <80% stenosis in stented arteries is shown by (C) PSV and (D) velocity ratio. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2009 The Society for Vascular Surgery Terms and Conditions

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