Spyridopoulos Themistoklis N, Kaziani Katerina, Balanika Alexia P, Kalokairinou-Motogna Mariana, Bizimi Vasiliki, Paianidi Iovana, Baltas Christos S
2nd Department of Radiology, University General Hospital of Athens "Attikon", Athens, Greece.
Med Ultrason. 2010 Sep;12(3):228-32.
Renal artery stenosis (RAS) is the most common underlying medical condition in secondary hypertension among adults, representing about 5% of all cases of hypertension. Early diagnosis of RAS is an important clinical objective since interventional therapy may improve or cure hypertension and preserve renal function. Contrast angiography is the currently reference standard for the diagnosis of RAS; however, its invasive nature renders it unsuitable for screening purposes. Among screening tests used for the detection of RAS (computed tomography angiography, magnetic resonance angiography, radionuclide scanning), multiple studies have shown that color Doppler ultrasound (CDUS), although highly operator-dependent, can be an effective tool in the diagnosis of RAS. CDUS imaging is a simple, safe (noninvasive) and widely available technique; in addition, the procedure is painless and well tolerated by patients. In this concrete review we will underline the established color Doppler ultrasound criteria used for the detection of RAS, highlight their limitations and see how their combination may improve the diagnostic accuracy of this method.
肾动脉狭窄（RAS）是成人继发性高血压最常见的潜在病因，约占所有高血压病例的5%。RAS的早期诊断是一项重要的临床目标，因为介入治疗可能改善或治愈高血压并保留肾功能。对比血管造影是目前诊断RAS的参考标准；然而，其侵入性使其不适用于筛查目的。在用于检测RAS的筛查测试（计算机断层扫描血管造影、磁共振血管造影、放射性核素扫描）中，多项研究表明，彩色多普勒超声（CDUS）虽然高度依赖操作者，但可以成为诊断RAS的有效工具。CDUS成像技术简单、安全（非侵入性）且广泛可用；此外，该检查无痛且患者耐受性良好。在本综述中，我们将强调用于检测RAS的既定彩色多普勒超声标准，突出其局限性，并探讨它们的组合如何提高该方法的诊断准确性。
