形态分析和肺炎的短期演变 超声波成像:试点研究
Chiara Cappiello1,2, Elisabetta Casto1,2, Alessandro Celi1,2
1Pulmonary Unit, Cardiothoracic and Vascular Department, Pisa University Hospital, 56124 Pisa, Italy.
Diagnostics (Basel, Switzerland)
|February 13, 2026
概括
肺部超声波 (LUS) 有效地跟踪肺梗塞 (PI) 在肺栓塞 (PE) 患者的演变. 这种安全,非侵入性成像显示了PI大小和形状随时间变化的变化,有助于临床管理.
科学领域:
- 肺部医学 肺部医学
- 诊断成像 诊断成像 诊断成像
- 超声波技术 超声波技术
背景情况:
- 肺梗塞 (PI) 由肺动脉封闭引起,导致肺组织损伤,通常是肺栓塞 (PE) 的次要原因.
- 外围PI位置使得肺超声波 (LUS) 成为潜在的诊断工具,尽管它的超声波特征和演变需要进一步研究.
研究的目的:
- 用肺超声波 (LUS) 评估急性肺栓塞 (PE) 患者肺梗塞 (PI) 的超声波特征和短期演变.
- 通过连续LUS检查,通过时间评估PI形态和尺寸的变化.
主要方法:
- 一个方便样本14急性PE患者CT-确认PI在基线 (T0),1周 (T1) 和4周 (T2) 进行了连续LUS.
- LUS专注于CT识别的损伤区域,并补充了更广泛的肺部现场探索;使用凸和线性探头,使用彩色多普勒进行血管化评估.
- 在随访期间收集和分析了临床数据和LUS发现,包括整合形状,大小和多流液的存在.
主要成果:
- 连续LUS显示了PI整合的动态变化,包括消失和形态变化,如T1的"泡整合".
- 随着时间的推移,观察到形/三角形状的减少和延长形状的增加 (多叶膜增厚).
- 在四周后,统计学上显著的整合大小 (短轴和平均直径) 减少了;在某些情况下,多流仍然存在.
结论:
- LUS是一种安全的,非侵入性的方法,用于评估PE患者的PI,显示了病变形态和大小的特征演变.
- 连续LUS发现与临床表现相关,可以帮助在紧急和临床环境中管理胸痛和呼吸障碍患者.
- 需要对使用LUS的PI的形态谱进行进一步的研究.
更多相关视频
相关概念视频
The Evidence for Evolution
48.4K
Genetic variations accumulating within populations over generations give rise to biological evolution. Evolutionary changes can result in the formation of novel varieties and entire new species. These changes are responsible for the diverse forms of life inhabiting the planet. The evidence for evolution suggests that all living organisms descended from common ancestors.
48.4K
Convergent Evolution
33.1K
Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection pressure leads to the rise of similar but unrelated adaptations in organisms with no recent common ancestors, a process known as convergent evolution.
33.1K
Pilot and Numeric Relaying
496
Pilot relaying is a type of differential protection used in power systems. It compares electrical quantities at the terminals of equipment via a communication channel instead of direct relay interconnection. This method is essential for transmission lines where the terminals are far apart, typically up to 80 km for lines with 69 to 115 kV ratings. Four types of communication channels are used for pilot relaying:
496
Eukaryotic Evolution
42.5K
The endosymbiont theory is the most widely accepted theory of eukaryotic evolution; however, its progression is still somewhat debated. According to the nucleus-first hypothesis, the ancestral prokaryote first evolved a membrane to enclose DNA and form the nucleus. Conversely, the mitochondria-first hypothesis suggests that the nucleus was formed after endosymbiosis of mitochondria.
Contrary to the endosymbiont theory, the eukaryote-first hypothesis proposes that the simpler prokaryotic and...
Contrary to the endosymbiont theory, the eukaryote-first hypothesis proposes that the simpler prokaryotic and...
42.5K
Synteny and Evolution
3.8K
John H. Renwick first coined the term “synteny” in 1971, which refers to the genes present on the same chromosomes, even if they are not genetically linked. The species with common ancestry tend to show conserved syntenic regions. Therefore, the concept of synteny is nowadays used to describe the evolutionary relationship between species.
Around 80 million years ago, the human and mice lineages diverged from the common ancestor. During the course of evolution, the ancestral...
Around 80 million years ago, the human and mice lineages diverged from the common ancestor. During the course of evolution, the ancestral...
3.8K
Gene Evolution - Fast or Slow?
8.2K
The genomes of eukaryotes are punctuated by long stretches of sequence which do not code for proteins or RNAs. Although some of these regions do contain crucial regulatory sequences, the vast majority of this DNA serves no known function. Typically, these regions of the genome are the ones in which the fastest change, in evolutionary terms, is observed, because there is typically little to no selection pressure acting on these regions to preserve their sequences.
In contrast, regions which code...
In contrast, regions which code...
8.2K


