血动力学不稳定和全身静脉拥堵患者的液体挑战引起的门脉动指数的变化:前性队列研究
Martin Ruste1,2,3, Rehane Reskot4, Rémi Schweizer4,5
1Service d'anesthésie-réanimation, Hôpital Louis Pradel, Hospices Civils de Lyon, 59, Boulevard Pinel, 69394, Lyon Cedex, Bron, France. martin.ruste@chu-lyon.fr.
Annals of intensive care
|November 1, 2024
概括
在患有静脉堵塞的危急病患者中,不管液体的反应如何,在不改善输液的情况下,液体的施用会使静脉堵塞恶化. 这突显了这种患者群体中流体挑战的潜在风险.
科学领域:
- 关键护理医学 关键护理医学
- 心血管生理学心血管生理学
- 血液动力学 血液动力学
背景情况:
- 关于在患有全身静脉堵塞和血液动力学不稳定的患者中注射液体的益处存在不确定性.
- 评估液体反应对于指导重症患者治疗至关重要.
研究的目的:
- 研究流体挑战对严重病患者全身静脉堵塞和外周 perfusion 的影响.
- 分析流体响应如何影响这些变化.
主要方法:
- 一个单中心前性队列研究,涉及36名危急病患者,血液动力学不稳定性和中心静脉压升高 (最大静脉腔直径≥20毫米).
- 液体挑战 (4毫升/千克乳酸林格) 评估了心脏指数,中心静脉压力,超声波静脉拥堵参数 (门静脉流动脉动性指数,VExUS得分) 和外周 perfusion (毛细血管补充时间,外周 perfusion 指数) 的变化.
- 流体反应者 (心脏指数增加> 10%) 与不反应者之间的比较.
主要成果:
- 液体挑战增加了门脉动指数,VExUS得分和总体队列中的中央静脉压.
- 这些拥堵参数的增加在流体反应者和不反应者之间是相似的.
- 没有观察到外周 perfusion 参数的显著改善.
结论:
- 在患有血液动力学不稳定和静脉堵塞的患者中,服用液体会加剧静脉堵塞.
- 不管液体反应状态如何,静脉拥堵的恶化都会发生.
- 在这种患者群体中,液体的使用并不能改善外周 perfusion.
相关概念视频
Esophageal Varices-II: Clinical Features and Management
46
Esophageal varices often manifest as gastrointestinal bleeding episodes, presenting symptoms like hematemesis (vomiting of blood), hematochezia (passing fresh blood via the rectum), and melena (black, tarry stools). Other signs can include weight loss, anorexia, abdominal discomfort, jaundice, pruritus, altered mental status, and muscle cramps.
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol...
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol...
46
Assessment of the Cardiovascular System III: Palpation
201
Palpation involves feeling the body to evaluate texture, size, consistency, and tenderness for assessing cardiovascular health. The following steps are organized in a head-to-toe order:
Jugular Venous Pressure (JVP) Measurement
Position the patient at a thirty- to forty-five-degree angle or in a semi-fowler's position. Look for the highest point of pulsation in the internal jugular vein and measure the vertical distance to the angle of Loius or sternal angle. A normal JVP is 3-4 cm above...
Jugular Venous Pressure (JVP) Measurement
Position the patient at a thirty- to forty-five-degree angle or in a semi-fowler's position. Look for the highest point of pulsation in the internal jugular vein and measure the vertical distance to the angle of Loius or sternal angle. A normal JVP is 3-4 cm above...
201
Measurement of Blood Pressure
881
Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a...
881
Cardiovascular System Abnormal Findings I: Inspection and Palpation
268
In a cardiovascular examination, inspection and palpation are crucial for identifying abnormalities.
Abnormal findings observed during an inspection
Abnormal findings observed during an inspection
268
Esophageal Varices-I: Introduction
76
Esophageal varices are dilated, tortuous veins which are found mainly in the submucosa of the lower esophagus but which may also appear higher up or extend into the stomach. They develop due to increased pressure in the portal venous system, often as a result of liver cirrhosis. This condition scars and damages the liver, impeding normal blood flow through the portal vein. To compensate, blood seeks alternative pathways, forming fragile new vessels (varices) in the esophagus and stomach. These...
76
Autoregulation of Blood Flow
2.2K
Autoregulation mechanisms are characterized by their inherent capacity for self-regulation without necessitating specific nervous stimulation or endocrine control. These mechanisms facilitate the adjustment of blood flow and, therefore, perfusion specific to each tissue region. This self-regulation encompasses chemical signals and myogenic controls.
Chemical Signaling in Autoregulation
Chemical signaling operates at the precapillary sphincter level, inciting either contraction or relaxation....
Chemical Signaling in Autoregulation
Chemical signaling operates at the precapillary sphincter level, inciting either contraction or relaxation....
2.2K


