HIGH-FRAME-RATE POWER DOPPLER ULTRASOUND IS MORE SENSITIVE THAN CONVENTIONAL POWER DOPPLER IN DETECTING RHEUMATIC VASCULARISATION

被引:8
|
作者
van der Ven, Myrthe [1 ]
Luime, Jolanda J. [1 ]
van der Velden, Levinia L. [1 ]
Bosch, Johan G. [2 ]
Hazes, Johanna M. W. [1 ]
Vos, Hendrik J. [2 ]
机构
[1] Erasmus MC, Dept Rheumatol, Rotterdam, Netherlands
[2] Erasmus MC, Dept Biomed Engn, Thoraxctr, Ee2318,POB 2040, NL-3000 CA Rotterdam, Netherlands
来源
ULTRASOUND IN MEDICINE AND BIOLOGY | 2017年 / 43卷 / 09期
基金
荷兰研究理事会;
关键词
Subclinical rheumatoid arthritis; Echography; Plane wave imaging; Power Doppler; Singular value decomposition; CLINICAL REMISSION; ULTRAFAST DOPPLER; BLOOD-FLOW; ULTRASONOGRAPHIC EVALUATION; INTEROBSERVER AGREEMENT; ARTHRITIS PATIENTS; TEST OBJECTS; JOINTS; VALIDATION; RELAPSE;
D O I
10.1016/j.ultrasmedbio.2017.04.027
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
Early recognition of joint inflammation will increase treatment efficacy in rheumatoid arthritis (RA). Yet, conventional power Doppler (PD) ultrasound might not be sufficiently sensitive to detect minor inflammation. We investigated the sensitivity of high-frame rate Doppler, combined with singular value decomposition technique, to suppress tissue signals, for microvascular flow in a flow phantom setup and in a proof-of-principle study in healthy controls and in RA patients with different disease activities. In the flow phantom, minimal detectable flow velocity was a factor 3 lower with high-frame-rate PD than with conventional PD ultrasound. In the proof-of- principle study we detected a positive PD signal in all volunteers, diseased or healthy, with high-frame-rate PD ultrasound. We saw a gradual increase in PD signal in RA patients depending on disease activity. In conclusion, high-frame rate Doppler is more sensitive in detecting vascularisation than conventional PD ultrasound. (E-mail: h.vos@erasmusmc.nl) (C) 2017 The Authors. Published by Elsevier Inc. on behalf of World Federation for Ultrasound in Medicine & Biology.
引用
收藏
页码:1868 / 1879
页数:12
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