Tiger stripe: an innocuous Doppler artifact.

IF 4.4 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS

Echo Research and Practice Pub Date : 2026-01-21 DOI:10.1186/s44156-026-00104-8

Biswaranjan Mishra

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引用次数: 0

Abstract

Background: Tiger stripes, parallel bands within regurgitant Doppler spectra, are often ascribed to oscillating intracardiac structures. Their frequency and clinical relevance are unclear.

Methods: We retrospectively reviewed 4,567 transthoracic echocardiograms (TTEs) in adults between 18 and 65 years of age for tiger stripes on pulsed-wave (PW)/continuous-wave (CW) Doppler and correlated with valve pathology, presence of oscillating masses, and clinical findings.

Results: Tiger stripes occurred in 5.4% of studies (95% CI 4.8-6.1%), predominantly with mitral and aortic regurgitation jets (MR/AR) and high-velocity tricuspid regurgitation (TR) jets. Stripes were not seen when oscillating masses were present, and were more conspicuous in mild-moderate jets and higher-velocity Doppler spectra. Audible Doppler cooing sound was common; no association with clinical musical murmurs.

Conclusions: Tiger stripes may represent a benign spectral Doppler artifact. In isolation, they should not prompt additional imaging for oscillating masses or be used to grade regurgitation severity.

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虎纹：一种无害的多普勒伪影。

背景：虎纹，反流多普勒光谱中的平行带，通常被认为是心脏内振荡结构。其发生频率和临床相关性尚不清楚。方法：我们回顾性分析了4,567例18至65岁成人经胸超声心动图（TTEs），在脉冲波(PW)/连续波（CW）多普勒上发现虎纹，并将其与瓣膜病理、振荡肿块的存在和临床表现相关联。结果：虎纹发生在5.4%的研究中（95% CI 4.8-6.1%），主要发生在二尖瓣和主动脉瓣反流射流（MR/AR）和高速三尖瓣反流射流（TR）。当振荡质量存在时，条纹不可见，在中轻喷流和高速多普勒光谱中更明显。听得见的多普勒咕咕声很常见；与临床音乐杂音无关。结论：虎纹可能代表良性的多普勒频谱伪影。孤立地，它们不应提示对振荡肿块进行额外的影像学检查或用于评定反流严重程度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Echo Research and Practice CARDIAC & CARDIOVASCULAR SYSTEMS-

CiteScore

6.70

自引率

12.70%

发文量

审稿时长

8 weeks

期刊介绍： Echo Research and Practice aims to be the premier international journal for physicians, sonographers, nurses and other allied health professionals practising echocardiography and other cardiac imaging modalities. This open-access journal publishes quality clinical and basic research, reviews, videos, education materials and selected high-interest case reports and videos across all echocardiography modalities and disciplines, including paediatrics, anaesthetics, general practice, acute medicine and intensive care. Multi-modality studies primarily featuring the use of cardiac ultrasound in clinical practice, in association with Cardiac Computed Tomography, Cardiovascular Magnetic Resonance or Nuclear Cardiology are of interest. Topics include, but are not limited to: 2D echocardiography 3D echocardiography Comparative imaging techniques – CCT, CMR and Nuclear Cardiology Congenital heart disease, including foetal echocardiography Contrast echocardiography Critical care echocardiography Deformation imaging Doppler echocardiography Interventional echocardiography Intracardiac echocardiography Intraoperative echocardiography Prosthetic valves Stress echocardiography Technical innovations Transoesophageal echocardiography Valve disease.