Related Experiment Video
Updated: Jul 19, 2026
10:08
Measuring Ascending Aortic Stiffness In Vivo in Mice Using Ultrasound
Published on: December 2, 2014
Non-invasive aortic blood flow measurement.
G A Orliaguet1, P Y Gueugniaud
1Department of Anaesthesiology, Hôpital Necker-Enfants Malades, Paris, France.
Current Opinion in Anaesthesiology
|October 4, 2006
Summary
Oesophageal aortic blood flow echo-Doppler offers a non-invasive, accurate method for continuous cardiac monitoring during pediatric anesthesia. This technique can improve cardiovascular assessment where standard methods fall short, especially for infants and small children.
Area of Science:
- Pediatric Anesthesiology
- Cardiovascular Monitoring
- Medical Technology
Background:
- Routine pediatric anesthesia lacks precise, rapid cardiovascular monitoring tools.
- Standard non-invasive methods (heart rate, blood pressure) have limitations in detecting subtle hemodynamic changes.
- Invasive monitoring is infrequently used in routine pediatric cases due to associated risks.
Purpose of the Study:
- To evaluate the utility of oesophageal aortic blood flow echo-Doppler as a monitoring tool in pediatric anesthesia.
- To assess the accuracy and feasibility of this non-invasive technique for continuous cardiac performance assessment.
- To determine if this method can enhance peri-anesthetic monitoring for infants and small children.
Main Methods:
- Utilized oesophageal aortic blood flow echo-Doppler for non-invasive hemodynamic assessment.
- Compared the technique's performance against standard monitoring in pediatric patients undergoing anesthesia.
- Focused on ease of use, accuracy, and continuous monitoring capabilities.
Main Results:
- Oesophageal aortic blood flow echo-Doppler provides an easy, non-invasive, and accurate assessment of cardiac performance.
- The method allows for continuous monitoring, offering greater precision than standard techniques.
- Demonstrated potential for rapid detection of cardiovascular changes.
Conclusions:
- Oesophageal aortic blood flow echo-Doppler is a valuable addition to pediatric peri-anesthetic monitoring.
- It offers superior continuous and precise hemodynamic assessment compared to traditional methods.
- Recommended for use in infants and small children undergoing routine anesthesia.
Related Concept Videos
01:30Equipments Used To Measure Blood Pressure
Direct Method
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
01:17Measurement of Blood Pressure
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 stethoscope.
01:15Assessment of blood pressure in brachial artery(one-step method)
This procedural guide systematically measures blood pressure using an oscillometric digital sphygmomanometer, emphasizing accuracy, patient safety, and comfort.
Prepare for the Procedure:
Prepare for the Procedure:
01:23Assessment of blood pressure in brachial artery(two-step method)
Measuring blood pressure is a fundamental skill in healthcare that aids in diagnosing and monitoring hypertension and other cardiovascular conditions. An aneroid sphygmomanometer, commonly used in clinical settings, offers a manual and precise method for blood pressure measurement. The technique for using this instrument involves specific steps that must be carefully executed to ensure accuracy. The following detailed description outlines a two-step technique for assessing blood pressure using...
01:21Sites for measuring blood pressure
Blood pressure measurement is a fundamental clinical procedure, providing crucial data for assessing cardiovascular health. Among the various sites for this measurement, the brachial and popliteal arteries are predominantly utilized due to their accessibility and the reliability of their readings. This lesson delves into the anatomical significance, methodology, and considerations of measuring blood pressure at these locations.
The Brachial Artery: Primary Site for Blood Pressure Measurement
The Brachial Artery: Primary Site for Blood Pressure Measurement
01:19Assessing Blood pressure using a doppler ultrasound
To obtain accurate blood pressure measurements in clinical settings, especially when traditional methods are insufficient, healthcare professionals utilize the Doppler ultrasound technique. This method uses high-frequency sound waves to detect blood flow within the arteries, which is crucial for patients with conditions that complicate circulatory system assessment.
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment: