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Related Concept Videos

Cardiac Catheterization I: Pre-Procedure Overview01:28

Cardiac Catheterization I: Pre-Procedure Overview

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...
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:
Cardiac Catheterization III: Left Heart Catheterization01:24

Cardiac Catheterization III: Left Heart Catheterization

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...
Cardiac Catheterization II: Right Heart Catheterization01:21

Cardiac Catheterization II: Right Heart Catheterization

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...
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
Parentral Nutrition: Centeral and Peripheral Parental Nutrition01:27

Parentral Nutrition: Centeral and Peripheral Parental Nutrition

Parenteral Nutrition (PN) delivers essential nutrients directly into the bloodstream, bypassing the digestive system. It is commonly used for individuals with severe digestive disorders or conditions that prevent normal nutrient absorption.
PN can be administered through two primary routes:
1. Central Parenteral Nutrition (CPN):
CPN involves delivering a high concentration of nutrients through a large vein. This is typically achieved using a Peripherally Inserted Central Catheter (PICC) or,...

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Updated: Jun 8, 2026

Transradial Access Chemoembolization for Hepatocellular Carcinoma Patients
05:31

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Published on: September 20, 2020

Transradial access in percutaneous coronary interventions: technique and procedure.

J B Dahm1, H G Wolpers, J Becker

  • 1Department of Cardiology-Angiology, Heart and Vascular Center Neu-Bethelehem, Göttingen, Germany. dahm@herz-gefaesszentrum.org

Herz
|September 22, 2010
PubMed
Summary

Transradial percutaneous coronary intervention offers lower complication rates and improved patient outcomes compared to traditional methods. Careful attention to patient anatomy and pharmacological management ensures procedural success and reduces risks like radial artery occlusion.

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Area of Science:

  • Cardiovascular Medicine
  • Interventional Cardiology
  • Vascular Access

Background:

  • Radial artery access is increasingly utilized for percutaneous coronary interventions due to lower complication rates.
  • This approach enhances patient comfort and reduces healthcare costs.
  • Transradial access is associated with better cardiac outcomes, particularly in acute coronary syndrome patients, due to reduced bleeding complications.

Purpose of the Study:

  • To highlight the benefits of transradial percutaneous coronary intervention.
  • To identify factors influencing procedural success and complications.
  • To outline strategies for optimizing transradial catheterization.

Main Methods:

  • Review of diagnostic coronary angiography and transradial percutaneous coronary intervention outcomes.
  • Analysis of anatomical and patient-related risk factors for radial artery complications.
  • Evaluation of pharmacological and technical adjuncts for successful catheterization.

Main Results:

  • Transradial access demonstrates significantly lower complication rates and improved patient comfort.
  • Factors like anomalous anatomy and patient characteristics influence procedural success.
  • Use of smaller catheters (4-5 Fr), specific needles (≤ 21-gauge), guidewires (≤ 0.018 in), and adjuvant pharmacotherapy (heparin, verapamil, nitroglycerine, ibuprofen) mitigate risks.
  • Inspiration maneuvers facilitate safe passage to the ascending aorta.

Conclusions:

  • Transradial percutaneous coronary intervention is a safe and effective alternative with superior patient outcomes.
  • Meticulous attention to radial artery anatomy and proactive pharmacological management are crucial for minimizing complications.
  • Optimized techniques and equipment ensure successful transradial catheterization and sheath access.