Related Experiment Video
Updated: Mar 13, 2026
05:31
Transradial Access Chemoembolization for Hepatocellular Carcinoma Patients
Published on: September 20, 2020
6.3K
Radial artery vasomotor function following transradial cardiac catheterisation
A J Mitchell1, N L Mills1, D E Newby1
1Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, UK; Edinburgh Heart Centre, NHS Lothian, Edinburgh, UK.
Open Heart
|October 19, 2016
Summary
Flow-mediated dilation (FMD) is impaired early after transradial catheterization but recovers by three months. This study assessed FMD reproducibility and vascular recovery following cardiac catheterization.
Area of Science:
- Cardiovascular Research
- Vascular Biology
- Medical Imaging
Background:
- Assessing radial artery vasomotor function is crucial for cardiovascular health.
- Transradial catheterization is a common procedure with potential vascular implications.
Purpose of the Study:
- To evaluate the reproducibility of flow-mediated dilation (FMD) and nitrate-mediated dilation (NMD) in radial arteries.
- To investigate the impact of transradial catheterization on radial artery injury and recovery.
Main Methods:
- FMD and NMD were assessed in 20 volunteers and 20 patients across multiple visits.
- Radial artery FMD was measured before and after cardiac catheterization in 10 patients.
Main Results:
- No significant differences in baseline radial artery diameter, FMD, or NMD were found between healthy volunteers and patients.
- Radial artery FMD was significantly impaired at 24 hours post-catheterization but recovered by 3 months.
Conclusions:
- Radial artery FMD shows impairment shortly after transradial catheterization, with recovery observed by three months.
- Transradial access may serve as a model for studying vascular injury and repair in humans.
Related Concept Videos
01:11Assessment of radial pulse
1.7K
Assessment of Radial Pulse
The radial pulse, located at the wrist, is often the preferred site for assessing peripheral pulse because of its accessibility and dependability. The process of determining the radial pulse involves several steps:
The radial pulse, located at the wrist, is often the preferred site for assessing peripheral pulse because of its accessibility and dependability. The process of determining the radial pulse involves several steps:
1.7K
01:12Arteries of the Upper Limbs
2.8K
The subclavian artery transitions into the axillary artery as it exits the chest and enters the axillary region. This artery is critical for supplying blood to the shoulder area, including the head of the humerus, through the humeral circumflex arteries. As the vessel continues into the upper arm or brachium, it becomes the brachial artery. This artery plays a key role in vascularizing the brachial region and bifurcates at the elbow into several branches. These branches include the deep...
2.8K
01:25Assessment of apical radial pulse
1.5K
Apical-Radial (A-R) Pulse Assessment
The A-R pulse assessment involves simultaneous evaluation of the apical and radial pulses. When the apical and radial pulse rates vary, this assessment helps identify a pulse deficit.
Pre-Procedural Preparation
The A-R pulse assessment involves simultaneous evaluation of the apical and radial pulses. When the apical and radial pulse rates vary, this assessment helps identify a pulse deficit.
Pre-Procedural Preparation
1.5K
01:26Cardiac Catheterization IV: Nursing Management
969
Nursing responsibilities before cardiac catheterization include:Assess for allergies and establish baseline health status.Before cardiac catheterization, assess the patient for allergies to contrast dye. Perform a comprehensive baseline assessment, including vital signs, heart and breath sounds, and a neurovascular assessment of the extremities, noting distal pulses, skin color, and temperature. Instruct the patient to fast for 8-12 hours before the procedure. Evaluate baseline laboratory...
969
01:27Assessment of the Cardiovascular System III: Palpation
1.4K
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...
1.4K
01:21Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation
580
Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
580