相关实验视频
Updated: Jul 23, 2025

06:34
Infant Auditory Processing and Event-related Brain Oscillations
Published on: July 1, 2015
16.5K
非常早产婴儿的振荡力学轨迹:一个队列研究
Camilla Rigotti1, Emanuela Zannin2, Giulia Dognini1
1Tin-neonatologia, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy.
Pediatric research
|July 14, 2023
概括
呼吸系统振荡计追踪早产婴儿的肺功能. 这些测量可以识别支气管肺功能障碍的早期症状,并指导个性化呼吸护理.
科学领域:
- 新生儿呼吸系统生理学 新生儿呼吸系统生理学
- 儿科肺病学 儿科肺病学
- 医疗工程是医学工程.
背景情况:
- 非常早产的婴儿 (孕期≤32周) 患肺部疾病的风险很高.
- 支气管肺功能障碍 (BPD) 是这些婴儿的常见并发症.
- 早期识别肺病进展对于管理至关重要.
研究的目的:
- 描述振荡力学的轨迹,从生命的第一个星期到相当于早产婴儿的术语.
- 为了评估振荡力学和肺部疾病严重程度之间的关系,在婴儿 ≤32周怀孕.
主要方法:
- 这是一项对66名婴儿进行的纵向观察性研究.
- 强制振荡通过机械通风器在不同的阳性末尾呼气压力 (PEEP) 水平上进行强制振荡.
- 在多个时间点进行的测量:7,14,28天和36周,40周的月经后年龄 (PMA).
主要成果:
- 19名婴儿 (29%) 患有支气管肺功能障碍 (BPD).
- 患有BPD的婴儿显示出明显较低的呼吸系统反应能力和较高的抵抗力,从出生后7天到36周的PMA.
- 所有振荡力学参数与呼吸系统严重性得分有很强的相关性 (p < 0.001).
结论:
- 序列振荡力学测量可以在患有或没有发展BPD的婴儿中区分肺功能轨迹.
- 振荡力学与肺部疾病的严重程度相关.
- 呼吸系统振荡计可以作为BPD的早期标志物,有助于个性化呼吸系统管理.
更多相关视频
相关概念视频
Fetal Circulation
1.1K
Fetal circulation is a unique system that facilitates the exchange of gases, nutrients, and waste products between the developing fetus and the mother. This intricate process takes place through a special organ called the placenta.
Two umbilical arteries transport blood from the fetus to the placenta. At the placenta, the blood absorbs oxygen and nutrients while simultaneously eliminating waste products. This oxygen-enriched and nutrient-rich blood then returns to the fetus through one...
Two umbilical arteries transport blood from the fetus to the placenta. At the placenta, the blood absorbs oxygen and nutrients while simultaneously eliminating waste products. This oxygen-enriched and nutrient-rich blood then returns to the fetus through one...
1.1K
Eccentric Axial Loading in a Plane of Symmetry
232
Eccentric axial loading occurs when an axial load is applied away from the centroidal axis of a structural member. This scenario is common in engineering, where structural elements may not be directly aligned due to various design or functional requirements.
232
Oscillations about an Equilibrium Position
5.5K
Stability is an important concept in oscillation. If an equilibrium point is stable, a slight disturbance of an object that is initially at the stable equilibrium point will cause the object to oscillate around that point. For an unstable equilibrium point, if the object is disturbed slightly, it will not return to the equilibrium point. There are three conditions for equilibrium points—stable, unstable, and half-stable. A half-stable equilibrium point is also unstable, but is named so...
5.5K
Torsional Pendulum
5.6K
A torsional pendulum involves the oscillation of a rigid body in which the restoring force is provided by the torsion in the string from which the rigid body is suspended. Ideally, the string should be massless; practically, its mass is much smaller than the rigid body's mass and is neglected.
As long as the rigid body's angular displacement is small, its oscillation can be modeled as a linear angular oscillation. The amplitude of the oscillation is an angle. The role of mass is played...
As long as the rigid body's angular displacement is small, its oscillation can be modeled as a linear angular oscillation. The amplitude of the oscillation is an angle. The role of mass is played...
5.6K
Forced Oscillations
6.6K
When an oscillator is forced with a periodic driving force, the motion may seem chaotic. The motions of such oscillators are known as transients. After the transients die out, the oscillator reaches a steady state, where the motion is periodic, and the displacement is determined.
6.6K
Curvilinear Motion: Rectangular Components
501
Curvilinear motion characterizes the movement of a particle or object along a curved path, notably evident when envisioning a car navigating a winding road. If the car starts at point A, its position vector is established within a fixed frame of reference, where the ratio of the position vector to its magnitude signifies the unit vector pointing in the position vector's direction.
As the car advances, its position evolves over time. Quantifying the car's velocity involves computing the...
As the car advances, its position evolves over time. Quantifying the car's velocity involves computing the...
501

