alexa Dynamic Quantitative Contrast-enhanced Ultrasound for Assessment of Cilostazol Induced Pro-angiogenic Therapeutic Effects on Skeletal Muscle Microcirculation in Peripheral Arterial Disease | Abstract
ISSN: 2329-6925

Journal of Vascular Medicine & Surgery
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Research Article

Dynamic Quantitative Contrast-enhanced Ultrasound for Assessment of Cilostazol Induced Pro-angiogenic Therapeutic Effects on Skeletal Muscle Microcirculation in Peripheral Arterial Disease

Kauczor HU1, Amarteifio E1,3, Partovi S2, Weber MA1,3, Macys L1,3, Delorme S3, Krix M3,4, Böckler D5 and Demirel S5*

1University Hospital of Heidelberg, Department of Diagnostic and Interventional Radiology, Heidelberg, Germany

2Department of Radiology, University Hospitals Case Medical Center, Case Western Reserve University, Cleveland, Ohio, USA

3Department of Radiology, German Cancer Research Center, Heidelberg, Germany

4Bracco Imaging Germany, Konstanz, Germany

4University Hospital of Heidelberg, Department of Vascular and Endovascular Surgery, Heidelberg, Germany

*Corresponding Author:
Demirel S
Department of Vascular and Endovascular Surgery, University of Heidelberg
Im Neuenheimer Feld 110, 69120 Heidelberg, Germany
Tel: 0049-6221-566249
Fax: 0049-6221-565423
E-mail: [email protected]

Received Date: August 02, 2016; Accepted Date: August 12, 2016; Published Date: August 20, 2016

Citation: Kauczor HU, Amarteifio E, Partovi S, Weber MA, Macys L, et al. (2016) Dynamic Quantitative Contrast-enhanced Ultrasound for Assessment of Cilostazol Induced Pro-angiogenic Therapeutic Effects on Skeletal Muscle Microcirculation in Peripheral Arterial Disease. J Vasc Med Surg 4: 284. doi: 10.4172/2329-6925.1000284

Copyright: © 2016 Kauczor HU, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Purpose: To assess the effect of cilostazol on muscular microperfusion in patients with peripheral artery occlusive disease (PAOD) using dynamic quantitative contrast-enhanced ultrasound (CEUS). Materials and Methods: 20 patients with PAOD, Rutherford classification grade I, category III were evaluated performing CEUS with the arterial occlusion paradigm, ankle-brachial-index (ABI) and treadmill walking distance test before and after oral treatment with cilostazol for three months. Microperfusion of the calf skeletal muscle was assessed using quantitative CEUS parameters which were extracted from time signal-intensity curves (TIC). Results: 10 patients had to be taken off medication secondary to side effects. Maximum CEUS signal enhancement prior to therapy was 104 ± 69 ~mL compared to 114±68 ~mL post treatment (P=0.26). tmax was 34 ± 20 s before and 36 ± 23 s post treatment (P=0.51). Maximum slope of the TIC (m2) prior to therapy was 6.06 ± 5.55 ~mL/s and revealed to be 5.12 ± 3.30 ~mL/s post treatment (P=0.62). Area under the curve after the occlusion (AUCpost) was 3975.38 ± 2856.52 ~mL/s prior to cilostazol therapy compared to 4210.98 ± 2816.33 ~mL/s after therapy (P=0.39). The values for ABI and treadmill walking distance test did not differ significantly differ, either. Conclusion: In patients with PAOD, medical therapy with cilostazol seems not to be associated with significant improvement of muscular microperfusion as assessed by dynamic quantitative CEUS. This study demonstrates the feasibility of the CEUS technique to evaluate response to pro-angiogenic drug treatment and confirmation of results in a larger population is warranted.

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