相关实验视频
Updated: Jan 31, 2026

06:09
Optic Nerve Sheath Point of Care Ultrasound: Image Acquisition
Published on: August 18, 2023
2.9K
视神经外直径用于预测缺血性中风后的内高血压 - - The ONSITE研究
Philipp Baumgartner1, Malin Zahn1, Hannah-Lea Handelsmann1
1Department of Neurology, University Hospital Zurich and University of Zurich, Switzerland.
European stroke journal
|January 30, 2026
概括
视神经外直径 (ONSD) 的床边超声测量可以预测中风患者的内高血压 (IH). 一个≥5.51毫米的超声波ONSDint识别高风险个体,提供一个重要的非侵入性监测工具.
科学领域:
- 神经学 神经学
- 医疗成像医学成像
- 关键护理医学 关键护理医学
背景情况:
- 内高血压 (IH) 是大血管封闭 (LVO) 中风的危及生命的并发症.
- 目前对IH的临床监测往往是不可靠的,需要非侵入性预测方法.
- 视神经外直径 (ONSD) 超声波被探索为早期IH检测中风后的工具.
研究的目的:
- 评估超声波ONSD测量在预测中风后IH的有效性.
- 为IH风险分层建立一个预测性的ONSD截止值.
- 为了比较超声波ONSD的预测性能与初始神经成像产生的ONSD.
主要方法:
- 在65名中风患者和30名对照患者中使用轨道超声波测量内部视神经外直径 (ONSDint) 的前性测量.
- 在初始CT或MRI扫描上也进行了ONSD测量.
- 多变量后勤回归用于确定预测性ONSD截止值,根据年龄和心脏病发作量进行调整;用于绩效评估的交叉验证.
主要成果:
- 在65名中风患者中,有7名 (11%) 患上了内血栓炎.
- 在患有IH的患者中,超声波ONSDint显著增加.
- 最佳预测性超声波ONSDint切线≥5.51mm显示85.7%的灵敏度和94.8%的IH特异性;初始神经影像ONSD (≥6.80mm) 具有100%的灵敏度和91.1%的特异性,具有优越的交叉验证准确性 (AUC0.905vs0.687).
结论:
- 超声波ONSDint测量是严重中风患者IH的有价值的早期预测器.
- 超声波ONSDint切线≥5.51毫米可以准确识别高风险患者.
- 虽然初始神经成像提供了高预测能力,但床边超声波提供了一个关键的,可重复的工具,用于动态监测内压力变化.
相关概念视频
Hypertension III: Clinical Manifestations and Diagnostic Studies
558
Hypertension is asymptomatic and also referred to as the "silent killer" until it progresses to a severe stage or causes target organ disease. Patients may experience symptoms stemming from the strain on blood vessels and tissues in various organs or the heart's increased workload.Physical exams might show no abnormalities other than high blood pressure. Signs of vascular damage, when present, correspond to the organs supplied by the affected vessels, leading to target organ damage. For...
558
Predicting Molecular Geometry
45.8K
VSEPR Theory for Determination of Electron Pair Geometries
45.8K
Hypertension I: Introduction
862
Hypertension is a widespread, long-term medical condition where blood pressure in the arteries remains elevated. It is characterized by systolic blood pressure readings of 130 mm Hg or above or diastolic blood pressure (DBP) readings of 80 mm Hg or higher. Unmanaged hypertension poses significant health risks, making the distinction between primary (or essential) hypertension and secondary hypertension crucial, as their management and implications vary.Primary HypertensionPrimary hypertension,...
862
Hypertension II: Pathophysiology
937
Hypertension is a chronic condition in which the blood's force against artery walls is excessively high, posing risks such as heart disease. The condition's underlying mechanisms involve complex interactions among the cardiovascular, kidney, and autonomic nervous systems.Renin-Angiotensin-Aldosterone System (RAAS): This system significantly influences blood pressure regulation. When blood pressure decreases, the kidneys secrete renin. This enzyme transforms angiotensinogen, a plasma protein,...
937
Prediction Intervals
3.4K
The interval estimate of any variable is known as the prediction interval. It helps decide if a point estimate is dependable.
However, the point estimate is most likely not the exact value of the population parameter, but close to it. After calculating point estimates, we construct interval estimates, called confidence intervals or prediction intervals. This prediction interval comprises a range of values unlike the point estimate and is a better predictor of the observed sample value, y.
However, the point estimate is most likely not the exact value of the population parameter, but close to it. After calculating point estimates, we construct interval estimates, called confidence intervals or prediction intervals. This prediction interval comprises a range of values unlike the point estimate and is a better predictor of the observed sample value, y.
3.4K
Hypertension V: Nursing Management
426
The nursing management of hypertension involves accurately assessing symptoms, making a comprehensive nursing diagnosis, collaborating with patients to set goals, and implementing targeted interventions to mitigate the condition's impact and improve patient well-being.Comprehensive AssessmentThe initial step in nursing care for hypertension involves a thorough patient assessment. It includes evaluating symptoms such as headaches, dizziness, blurred vision, and previous hypertension episodes.
426

