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Related Concept Videos

Arteries of the Upper Limbs01:12

Arteries of the Upper Limbs

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...
Assessment of radial pulse01:11

Assessment of radial pulse

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:
Assessment of apical radial pulse01:25

Assessment of apical radial pulse

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
Bones of the Upper Limb: Radius01:09

Bones of the Upper Limb: Radius

The radius is longer of the two bones that make up the human antebrachium or forearm. At the proximal end, the radius articulates with the capitulum of the humerus and the radial notch of the ulna to form the elbow joint. At the distal end, the radius articulates with the ulna via the ulnar notch, forming the distal radioulnar joint. Distally, the radius also attaches to the carpal wrist bones (scaphoid and lunate) to form the radiocarpal joint.
The radius has a nail-shaped head, and a short...
The Arch of Aorta01:10

The Arch of Aorta

The coronary arteries, originating from the ascending aorta, bifurcate from two sinuses located within the ascending aorta. Positioned just above the aortic semilunar valve, these sinuses house essential aortic baroreceptors and chemoreceptors, crucial for maintaining cardiac function. The left coronary artery and the right coronary artery branch off from the left posterior and anterior aortic sinuses, respectively.
Encircling the heart, the coronary arteries form a ring-like structure before...
Veins of Upper Limbs01:17

Veins of Upper Limbs

The human circulatory system, a marvel of biological engineering, is a complex network of vessels that transport blood throughout the body. Among these, the veins responsible for carrying blood from the upper limbs are divided into two categories: deep and superficial.
The deep venous system is primarily composed of the ulnar and radial veins. The ulnar vein, which drains the fingers through the superficial palmar venous arches, and the radial vein, which serves the palms via the deep palmar...

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Valve-in-valve transcatheter aortic valve implantation: The issues behind crossing a bioprosthesis.

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Related Experiment Video

Updated: Jun 4, 2026

Creating Radio-cephalic Arteriovenous Fistula in the Forearm with a Modified No-Touch Technique
07:30

Creating Radio-cephalic Arteriovenous Fistula in the Forearm with a Modified No-Touch Technique

Published on: April 1, 2022

Radial artery: how many times?

Orazio Valsecchi1, Angelina Vassileva

  • 1Interventional Cath Lab, Cardiovascular Department, Ospedali Riuniti of Bergamo, Italy. ovalsec@tin.it

Indian Heart Journal
|February 1, 2011
PubMed
Summary

Repeatedly using the same radial artery for transradial procedures is safe and effective, with high success rates and low complication risks, even after multiple attempts by experienced operators.

Area of Science:

  • Cardiovascular Interventions
  • Vascular Access Techniques
  • Interventional Cardiology

Background:

  • The transradial approach is increasingly utilized for diagnostic and interventional procedures.
  • Limited data exists on the safety and efficacy of repeated cannulation of the same radial artery.

Purpose of the Study:

  • To evaluate the safety, feasibility, and efficacy of repeat transradial procedures.
  • To determine the maximum number of times a single radial artery can be accessed without complications.

Main Methods:

  • A retrospective study of 4818 consecutive patients undergoing transradial procedures by a single experienced operator from May 1998 to March 2009.
  • Analysis of 670 patients who underwent repeat procedures through the same radial artery, with detailed recording of puncture success rates and access times.

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Multi-Tracer Studies of Brain Oxygen and Glucose Metabolism Using a Time-of-Flight Positron Emission Tomography-Computed Tomography Scanner
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Multi-Tracer Studies of Brain Oxygen and Glucose Metabolism Using a Time-of-Flight Positron Emission Tomography-Computed Tomography Scanner

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Related Experiment Videos

Last Updated: Jun 4, 2026

Creating Radio-cephalic Arteriovenous Fistula in the Forearm with a Modified No-Touch Technique
07:30

Creating Radio-cephalic Arteriovenous Fistula in the Forearm with a Modified No-Touch Technique

Published on: April 1, 2022

Transradial Access Chemoembolization for Hepatocellular Carcinoma Patients
05:31

Transradial Access Chemoembolization for Hepatocellular Carcinoma Patients

Published on: September 20, 2020

Multi-Tracer Studies of Brain Oxygen and Glucose Metabolism Using a Time-of-Flight Positron Emission Tomography-Computed Tomography Scanner
08:36

Multi-Tracer Studies of Brain Oxygen and Glucose Metabolism Using a Time-of-Flight Positron Emission Tomography-Computed Tomography Scanner

Published on: June 7, 2024

Main Results:

  • Repeat procedures were performed up to seven times in the same radial artery.
  • Puncture success rate was high (99.23% initially, 98.11% on repeat), with no significant difference in vascular access time.
  • Percutaneous coronary intervention (PCI) was performed in 412 patients undergoing repeat procedures, with 6F catheters used in 98.11%.

Conclusions:

  • Repeated cannulation of the same radial artery is effective, demonstrating high procedural success and low complication rates.
  • Potential causes for repeat puncture failure include intimal thickening or periarterial fibrosis.
  • The transradial approach is a viable and safe option for repeated interventions in experienced hands.