相关实验视频

Updated: Sep 13, 2025

Non-invasive Skeletal Muscle Quantification in Small Animals Using Micro-computed Tomography

Non-invasive Skeletal Muscle Quantification in Small Animals Using Micro-computed Tomography

Published on: November 8, 2024

基于计算机断层扫描的肌肉质量和代谢特征的诊断价值在心力衰竭与sarcopenia中的诊断价值

Wataru Kawaharata¹, Hidemichi Kouzu¹, Keishi Ogura²

¹Department of Cardiovascular, Renal and Metabolic Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan.

ESC heart failure

|August 1, 2025

概括

计算机断层扫描 (CT) 准确地诊断心力衰竭 (HF) 患者的肉症,使用肌肉质量,而不仅仅是数量. 通过CT评估的肌肉质量与身体表现有关,并暗示了萨科佩尼亚的潜在治疗点.

科学领域:

放射学放射学是一门学科.
老年学是一门学科.
心脏病学心脏病学

背景情况:

萨科佩尼亚是心力衰竭 (HF) 患者常见的并发症,使其管理复杂化.
由于资源有限,全面评估肉症具有挑战性.
计算机断层扫描 (CT) 为评估肌肉数量和质量提供了一个潜在的方法.

研究的目的:

为了确定单片腹部CT对HF患者的萨尔科佩尼亚的诊断效用.
探索CT评估的肌肉参数与身体表现之间的关联.
研究CT衍生肌肉指数与血氨基酸概况之间的关系.

主要方法:

追溯分析212名HF患者的DXA,腹部CT和氨基酸分析.
根据亚洲萨尔科佩尼亚工作组2019年标准 (DXA,握力,SPPB) 进行的萨尔科佩尼亚诊断.
通过CT评估骨肌面积指数 (SMI) 和平均肌肉衰减 (MMA) 进行分析.

主要成果:

CT与握力结合,准确诊断出了sarcopenia (AUC为男性0.96,女性0.88).
降低MMA,表明脂质透,与严重的肉症和体力表现低下有关.
在男性中,MMA比SMI更强烈地预测严重的肉症.
特定氨基酸和费舍尔比率与MMA相关,独立于SMI.

结论:

单切片腹部CT是HF患者萨尔科佩尼亚诊断的宝贵工具.
肌肉质量 (MMA) 对于与HF相关的肉症的身体表现比数量 (SMI) 更为关键.
与肌肉质量相关的氨基酸概况表明了对萨尔科佩尼亚进展的潜在治疗点.

关键词:

计算机断层扫描 (CT) 是一种计算机断层扫描.心脏衰竭是因为心脏衰竭.肌肉质量肌肉质量肌肉质量这种类型的麻症是sarcopenia.

更多相关视频

3D Ultrasound Imaging: Fast and Cost-effective Morphometry of Musculoskeletal Tissue

3D Ultrasound Imaging: Fast and Cost-effective Morphometry of Musculoskeletal Tissue

Published on: November 27, 2017

Segmentation and Linear Measurement for Body Composition Analysis using Slice-O-Matic and Horos

Segmentation and Linear Measurement for Body Composition Analysis using Slice-O-Matic and Horos

Published on: March 21, 2021

相关概念视频

Acute Coronary Syndrome III: Diagnostic Studies

Acute Coronary Syndrome III: Diagnostic Studies

Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...

Imaging Studies for Cardiovascular System V: CT

Imaging Studies for Cardiovascular System V: CT

Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...