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Related Concept Videos

Assessment of radial pulse01:11

Assessment of radial pulse

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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:
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Arteries of the Upper Limbs01:12

Arteries of the Upper Limbs

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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...
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Assessment of apical radial pulse01:25

Assessment of apical radial pulse

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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
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Cardiac Catheterization II: Right Heart Catheterization01:21

Cardiac Catheterization II: Right Heart Catheterization

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Right Heart Catheterization: An OverviewRight heart catheterization is an invasive diagnostic procedure that measures right-sided cardiac and pulmonary artery pressures, calculates cardiac output, and identifies intracardiac shunts. It provides detailed hemodynamic data essential for diagnosing and managing various cardiovascular conditions, such as pulmonary hypertension.Access SitesCommon access sites for right heart catheterization include the internal jugular vein in the neck region, the...
173
Cardiac Catheterization III: Left Heart Catheterization01:24

Cardiac Catheterization III: Left Heart Catheterization

225
Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...
225
Cardiac Catheterization I: Pre-Procedure Overview01:28

Cardiac Catheterization I: Pre-Procedure Overview

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Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
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Related Experiment Video

Updated: Sep 17, 2025

Transradial Access Chemoembolization for Hepatocellular Carcinoma Patients
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Radial Artery Conduit Use After Transradial Catheterisation.

Yantong Wang1, Michael Bailey2, Silvana F Marasco3

  • 1School of Translational Medicine, Monash University, Melbourne, Vic, Australia.

Heart, Lung & Circulation
|June 27, 2025
PubMed
Summary
This summary is machine-generated.

Transradial catheterisation (TRC) of the radial artery (RA) may reduce graft patency. Previously catheterised right RAs showed lower patency than non-catheterised left RAs, but remain a viable option when needed.

Keywords:
Coronary artery bypass graftingRadial arteryTransradial catheterisation

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Area of Science:

  • Cardiovascular Surgery
  • Interventional Cardiology
  • Vascular Biology

Background:

  • Transradial catheterisation (TRC) is standard for coronary angiography.
  • TRC can cause endothelial damage and vasodilatory dysfunction in the radial artery (RA).
  • Limited evidence exists on TRC's impact on RA graft patency.

Purpose of the Study:

  • To investigate the effect of prior transradial catheterisation on the patency of radial artery grafts used in coronary artery bypass grafting.

Main Methods:

  • Retrospective cohort study of 68 patients undergoing coronary artery bypass grafting with previously catheterised RA grafts.
  • Graft patency assessed via invasive or computed tomography coronary angiography.
  • Compared patency rates of previously catheterised right RAs (RRAs) versus non-catheterised left RAs (LRAs).

Main Results:

  • Previously catheterised RRAs had significantly lower patency (72%) than non-catheterised LRAs (87%; p=0.02).
  • Factors associated with RRA graft occlusion included female sex, peripheral vascular disease, and myocardial infarction history.
  • Severe right coronary artery stenosis was linked to RRA graft patency.

Conclusions:

  • Previously catheterised RRA grafts may exhibit reduced patency compared to non-catheterised LRA grafts.
  • Despite potential patency issues, previously catheterised RAs are a useful conduit option, particularly when alternatives are scarce.