Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Statistical Software for Data Analysis and Clinical Trials01:12

Statistical Software for Data Analysis and Clinical Trials

1.5K
Statistical software is pivotal in data analysis and clinical trials by providing tools to analyze data, draw conclusions, and make predictions. These software packages range from simple data management applications to complex analytical platforms, supporting various statistical tests, models, and simulation techniques. Their significance lies in their ability to handle vast amounts of data with precision and efficiency, enabling researchers to validate hypotheses, identify trends, and make...
1.5K
Oxygen Transport in the Blood01:27

Oxygen Transport in the Blood

6.6K
Hemoglobin (Hb) is a crucial molecule in the human body, consisting of four polypeptide chains, each bound to an iron-containing heme group. This unique structure enables hemoglobin to bind to oxygen, with each molecule capable of combining with four molecules of oxygen, leading to rapid and reversible oxygen loading. When fully loaded with oxygen, it is called oxyhemoglobin, while hemoglobin that has released oxygen is called reduced hemoglobin or deoxyhemoglobin. As hemoglobin binds oxygen,...
6.6K
Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen01:16

Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen

2.3K
Oxygen therapy is a pivotal aspect of medical care, particularly for patients with respiratory ailments. Two prominent oxygen-delivering systems include the Venturi mask and the transtracheal oxygen catheter.
Venturi Mask
The Venturi mask, named after the Venturi effect, is designed to deliver precise oxygen concentrations. It consists of a large tube with an oxygen inlet that narrows down, causing a pressure drop that pulls air in through adjustable side ports. The mask is a lightweight,...
2.3K
Oxygenic Photosynthesis01:26

Oxygenic Photosynthesis

765
Oxygenic photosynthesis is a fundamental process in which light energy is harnessed to drive the oxidation of water, leading to the production of molecular oxygen (O₂), adenosine triphosphate (ATP), and nicotinamide adenine dinucleotide phosphate (NADPH). This process is essential for sustaining aerobic life on Earth and is primarily carried out by cyanobacteria, algae, and plants. The core of oxygenic photosynthesis lies in the thylakoid membranes, where chlorophyll pigments facilitate...
765
Oxygen Requirements and Growth Patterns01:29

Oxygen Requirements and Growth Patterns

1.4K
Microorganisms exhibit diverse oxygen requirements and growth patterns driven by their metabolic strategies and environmental adaptations. Oxygen, while essential for many organisms, can also be toxic under certain conditions, shaping how microorganisms grow and survive.Oxygen Requirements of MicroorganismsMicroorganisms are classified based on their ability to use or tolerate oxygen:● Obligate aerobes like Mycobacterium tuberculosis need oxygen for energy production, as it serves as the...
1.4K
Administering Oxygen by Mask01:30

Administering Oxygen by Mask

2.3K
Administering Oxygen by Mask
Administering oxygen by mask is a common nursing intervention that provides supplemental oxygen to patients with respiratory distress or chronic lung conditions. This procedure involves delivering oxygen at a specified rate through a face mask connected to an oxygen source.
Equipment
The equipment necessary for this procedure includes:
2.3K

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Updates in Management of Acute Disorders of Consciousness After Traumatic Injury.

Brain sciences·2026
Same author

Impact of Fostamatinib on Inflammatory Biomarkers in Hospitalized Patients With COVID-19.

Critical care explorations·2026
Same author

Metformin on the Presence of COVID-19 Symptoms 6 Months after Infection: The ACTIV-6 Randomized Clinical Trial.

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America·2026
Same author

Prognostic Value of Lung Injury Biomarkers in Patients Hospitalized With COVID-19 Without Respiratory Failure at Admission.

Critical care medicine·2026
Same author

Does a protocolised oxygenation target impact clinical outcomes in mechanically ventilated patients in the intensive care unit across the 10 academic and community hospitals in the UCHealth system? Protocol and statistical analysis plan for an EHR-embedded pragmatic stepped-wedge randomised controlled trial.

BMJ open·2026
Same author

Video versus direct laryngoscopy for tracheal intubation in trauma: A secondary analysis of the DEVICE trial.

The journal of trauma and acute care surgery·2026

相关实验视频

Updated: Jan 30, 2026

Cerebral Blood Oxygenation Measurement Based on Oxygen-dependent Quenching of Phosphorescence
08:58

Cerebral Blood Oxygenation Measurement Based on Oxygen-dependent Quenching of Phosphorescence

Published on: May 4, 2011

15.2K

使用自主氧定位干预 (SAVE-O2 AI) 试验避免过度氧气的战略的统计分析计划:协议.

David J Douin1, John D Rice2, Mengli Xiao3

  • 1Department of Anesthesiology, University of Colorado School of Medicine, Aurora, Colorado, USA David.Douin@cuanschutz.edu.

BMJ open
|January 28, 2026
PubMed
概括

这项研究调查了自主氧度定位系统是否可以在住院成年人中安全地改善正常血症. 目标是优化氧气输送,减少重症监护机构的不良事件.

关键词:
过度氧化症 (hyperoxia) 是一种过度氧化症.氧气过低是因为缺氧.密集和关键的护理氧气和度 氧气和度

更多相关视频

Sampling and Pretreatment of Tooth Enamel Carbonate for Stable Carbon and Oxygen Isotope Analysis
07:57

Sampling and Pretreatment of Tooth Enamel Carbonate for Stable Carbon and Oxygen Isotope Analysis

Published on: August 15, 2018

14.8K
Proteomic Analysis of Human Macrophage Polarization Under a Low Oxygen Environment
10:15

Proteomic Analysis of Human Macrophage Polarization Under a Low Oxygen Environment

Published on: January 7, 2019

8.4K

相关实验视频

Last Updated: Jan 30, 2026

Cerebral Blood Oxygenation Measurement Based on Oxygen-dependent Quenching of Phosphorescence
08:58

Cerebral Blood Oxygenation Measurement Based on Oxygen-dependent Quenching of Phosphorescence

Published on: May 4, 2011

15.2K
Sampling and Pretreatment of Tooth Enamel Carbonate for Stable Carbon and Oxygen Isotope Analysis
07:57

Sampling and Pretreatment of Tooth Enamel Carbonate for Stable Carbon and Oxygen Isotope Analysis

Published on: August 15, 2018

14.8K
Proteomic Analysis of Human Macrophage Polarization Under a Low Oxygen Environment
10:15

Proteomic Analysis of Human Macrophage Polarization Under a Low Oxygen Environment

Published on: January 7, 2019

8.4K

科学领域:

  • 关键护理医学 关键护理医学
  • 呼吸系统疗法 呼吸系统疗法
  • 临床试验 临床试验

背景情况:

  • 补充氧气对于住院患者的低氧症预防至关重要.
  • 目前的做法往往导致高氧化和氧气浪费,由于过度管理.
  • 闭环自主氧度定位系统旨在在目标范围内优化氧气输送.

研究的目的:

  • 为了确定闭环自主氧度定位是否可以在住院成年人中安全地增加正常血 (SpO2 90%-96%) 的时间.
  • 为了比较自主氧量定位与在管理氧疗法时通常的注意力.
  • 评估自动化氧气输送系统的安全性和有效性.

主要方法:

  • 一个多中心,无盲,并行组,随机的试验,涉及300名成年人.
  • 自主氧气定位系统与通常护理的比较.
  • 主要结局:在前72小时内,患者在正常血症 (SpO2 90%-96%) 中所花费的时间的比例.

主要成果:

  • 该研究目前正在招募患者,结果将在完成后传播.
  • 关键的次要结局包括在低氧化和高氧化中花费的时间,以及注射的总氧气.
  • 试验协议和统计分析计划已经完成,以确保严格.

结论:

  • 该试验旨在提供关于自主氧度定位系统有效性和安全性的关键证据.
  • 这些发现将为临床实践提供有关急性护理环境中最佳氧气管理的信息.
  • 这项研究解决了了解住院患者自动化氧气治疗的重大差距.