2D-Cine和3D-white体积测量的比较研究:揭示2D-Cine体积测量的系统性错误
Muhnnad Alkassar1,2, Sophia Engelhardt1, Tariq Abu-Tair3
1Department of Cardiac Surgery, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91054 Erlangen, Germany.
Diagnostics (Basel, Switzerland)
|October 28, 2023
概括
与2D-cine方法相比,三维 (3D) 全心磁共振成像 (MRI) 体积测量为评估左心室 (LV) 体积和功能提供了更高的准确性. 这项研究强调了3D全心磁共振成像.
科学领域:
- 心血管成像 - 心血管成像
- 医学物理 医学物理
- 放射学 放射学是一门学科.
背景情况:
- 精确测量左心室 (LV) 体积对于评估心脏功能至关重要.
- 传统的2D-cine MRI方法可能会在体积计算中引入系统错误.
- 对比2D-cine和3D全心MRI对于优化心脏评估至关重要.
研究的目的:
- 直接比较来自2D-cine和3D全心MRI的体积测量结果.
- 调查这些方法对衍生功能参数的影响,例如中风体积 (SV).
- 在健康个体中,建立3D全心体积测量对2D-cine方法的优越性.
主要方法:
- 一项涉及18名健康参与者的前性研究.
- 同时获取2D-cine和3D全心MRI序列在透析末端和静脉末端.
- 直接比较两种方法之间的 LV 末端透缩体积 (EDV) 和末端静缩体积 (ESV).
- 从3D全心MRI与相对照MRI测量得出的功能参数的相关性.
主要成果:
- 在2D-cine和3D全心方法之间,在LV EDV和ESV中观察到最小的差异 (EDV的p < 0.01,ESV的p = 0.03).
- 通过2D-cine MRI对ESV的系统低估导致SV (5.6mL ± 2.6mL,p <0.01) 的显著高估.
- 来自3D全心MRI的功能计算显示出高精度和与相对比度测量有很强的相关性.
结论:
- 3D全心MRI体积测量优于2D-cine体积测量,用于准确评估LV体积和心脏功能.
- 2D-cine MRI测量容易出现系统错误,特别是在ESV估计中,导致不准确的SV计算.
- 这项研究提供了支持使用3D全心MRI进行更可靠的心脏功能评估的第一个证据.
相关概念视频
01:20Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies
12
The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...
12
01:27Imaging Studies III: Computed Tomography
12
DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
12