检测纤维肌肉发育不良相关的脏动脉狭窄症:CTA或多普勒美国?
Fuzhou Yi1, Zhifang Yang1, Zhe Zhang1
1Department of Ultrasound, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
概括
多普勒超声波 (DUS) 比计算机断层扫描血管造影 (CTA) 更有效,用于诊断与纤维肌力发育不良 (FMD) 相关的严重动脉狭窄 (RAS). DUS显示出更高的灵敏度和特异性,使其成为疾评估的首选成像选择.
科学领域:
- 血管成像 血管成像
- 放射学 放射学是一门学科.
- 腎臟病學 (nephrology) 是一種醫學專業.
背景情况:
- 纤维肌肉发育不良 (FMD) 是一种非动脉样性血管疾病,可导致动脉狭窄 (RAS).
- 严重的RAS可以导致严重的高血压并影响功能.
- 准确的成像对于诊断和管理口病相关的RAS至关重要.
研究的目的:
- 为了比较多普勒超声波 (DUS) 和计算机断层扫描血管造影 (CTA) 的诊断性能.
- 评估已确认纤维肌力发育不良 (FMD) 相关的严重动脉狭窄症 (RAS) 患者的疗效.
- 为了确定与口病相关的RAS的首选成像模式.
主要方法:
- 追溯分析78名确诊患有口病相关严重RAS的患者.
- 在所有参与者身上进行了标准化脏DUS和CTA.
- 独立的盲人读者评估了病变和血液动力学;DSA作为参考标准.
主要成果:
- 多普勒超声波 (DUS) 在检测口病相关的严重狭窄症方面显示出明显高于计算机断层扫描血管造影 (CTA) 的灵敏度 (97.7%对67.4%).
- DUS和CTA都在辅助/分支动脉病变方面实现了100%的特异性.
- 对于主要动脉病变,DUS的整体特异性比CTA (97.2%) 高 (100%).
结论:
- 多普勒超声波 (DUS) 在诊断口病相关的严重动脉狭窄症 (RAS) 方面显著优于计算机断层扫描血管造影 (CTA).
- DUS在不同血管区域提供一致的准确性,支持其在口病评估中的作用.
- DUS是纤维肌力发育不良的患者潜在的首选成像方式.
相关概念视频
Doppler Effect - I
6.5K
The Doppler effect and Doppler shift were named after the Austrian physicist and mathematician Christian Johann Doppler in 1842, who conducted experiments with both moving sources and moving observers. Consider an observer standing on a street corner, observing an ambulance with a siren sound passing by at a constant speed. The observer experiences two characteristic changes in the sound of the siren. Initially, the sound increases in loudness as the ambulance approaches and decreases in...
6.5K
Doppler Effect - II
4.8K
The Doppler effect has several practical, real-world applications. For instance, meteorologists use Doppler radars to interpret weather events based on the Doppler effect. Typically, a transmitter emits radio waves at a specific frequency toward the sky from a weather station. The radio waves bounce off the clouds and precipitation and travel back to the weather station. The radio frequency of the waves reflected back to the station appears to decrease if the clouds or precipitation are moving...
4.8K
Mitral Stenosis I: Introduction
780
Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
780
Factors Affecting Renal Clearance: Renal Impairment
503
Renal dysfunction significantly impairs the renal clearance of drugs, leading to potential complications in drug therapy. Renal failure, which can be caused by various factors, poses a significant challenge in the elimination of drugs from the body.
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
503
Mitral Stenosis III: Medical Management
314
Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...
314
Renal Corpuscle
7.6K
The glomerulus and Bowman's capsule are two essential components of the nephron, which is the functional unit of the kidney. These microscopic structures play a critical role in the process of blood filtration to produce urine.
Glomerulus: Structure and Function
The glomerulus is a tiny, intricate network of capillaries located at the beginning of the nephron. It's enveloped by the Bowman's capsule and receives its blood supply from an afferent arteriole, which divides into numerous...
Glomerulus: Structure and Function
The glomerulus is a tiny, intricate network of capillaries located at the beginning of the nephron. It's enveloped by the Bowman's capsule and receives its blood supply from an afferent arteriole, which divides into numerous...
7.6K


