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Related Concept Videos

Cardiac Catheterization III: Left Heart Catheterization01:24

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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...
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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...
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Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
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Related Experiment Video

Updated: Jan 5, 2026

Transradial Access Chemoembolization for Hepatocellular Carcinoma Patients
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Left transradial access for cerebral angiography.

Guilherme Barros1, David I Bass1, Joshua W Osbun2,3,4

  • 1Neurological Surgery, University of Washington, Seattle, Washington, USA.

Journal of Neurointerventional Surgery
|October 26, 2019
PubMed
Summary

Left transradial access is a safe and effective alternative for cerebral angiography when right-sided access is not feasible. This neurointerventional technique offers a viable option for specific patient anatomies and pathologies.

Keywords:
angiographyarterytechnique

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Area of Science:

  • Neurosurgery
  • Vascular Surgery
  • Radiology

Background:

  • Transradial access is gaining traction in neurointervention as an alternative to transfemoral access.
  • Existing data predominantly covers right radial access, leaving a gap in understanding left-sided approaches.
  • Clinical situations may necessitate left radial access for cerebral angiography.

Purpose of the Study:

  • To assess the technical feasibility of left transradial access for cerebral angiography.
  • To evaluate the safety and efficacy of this approach across multiple institutions.

Main Methods:

  • Retrospective review of patients undergoing cerebral angiography via left radial artery access.
  • Data collected from January 2018 to July 2019 across three institutions.
  • Key outcomes included successful catheterization, vascular complications, and fluoroscopic time.

Main Results:

  • Twenty-five cerebral angiograms were performed in 19 patients using left transradial access.
  • Indications included aneurysms, basilar occlusion, carotid stenosis, AVM, and neurofibroma.
  • One case of radial artery spasm and one conversion to transfemoral access occurred; no procedural complications were reported.

Conclusions:

  • Left transradial access is technically feasible, safe, and effective for diagnostic and interventional cerebral angiography.
  • This approach is a valuable alternative when right-sided access is limited by pathology or anatomy.