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Related Concept Videos

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...
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Initiating translation is complex because it involves multiple molecules. Initiator tRNA, ribosomal subunits, and eukaryotic initiation factors (eIFs) are all required to assemble on the initiation codon of mRNA. This process consists of several steps that are mediated by different eIFs.
First, the initiator tRNA must be selected from the pool of elongator tRNAs by eukaryotic initiation factor 2 (eIF2). The initiator tRNA (Met-tRNAi) has conserved sequence elements including modified bases at...
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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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Nine muscles are involved in arm movements. Two of these, the pectoralis major and latissimus dorsi, originate from the axial skeleton and are called axial muscles. The other seven originate from the scapula and are called the scapular muscles.
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Initiation is the first step of transcription in eukaryotes. Prokaryotic RNA Polymerase (RNAP) can bind to the template DNA and start transcribing. On the other hand, transcription in eukaryotes requires additional proteins, called transcription factors, to first bind to the promoter region in the DNA template. This binding helps recruit the specific RNAP that can assemble on the DNA and start transcription.
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Right arm distal transradial (snuffbox) access for coronary catheterization: Initial experience.

Antonios Ziakas1, Michael Koutouzis2, Matthaios Didagelos1

  • 11st Cardiology Department, AHEPA General Hospital, Aristotle University of Thessaloniki, Greece.

Hellenic Journal of Cardiology : HJC = Hellenike Kardiologike Epitheorese
|November 4, 2018
PubMed
Summary

Distal transradial access (dTRA) via the snuffbox approach is effective and safe for coronary catheterization. This study found no radial artery occlusion or major complications in patients undergoing the procedure exclusively from the right arm.

Keywords:
AngiographyAngioplastyDistal radialSnuffboxTransradial

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Area of Science:

  • Cardiology
  • Vascular Access Techniques
  • Interventional Cardiology

Background:

  • Distal transradial access (dTRA) in the anatomical snuffbox is an emerging alternative to traditional forearm transradial access (TRA).
  • This approach offers potential advantages but also presents unique challenges.
  • Evaluating the efficacy and safety of dTRA exclusively from the right arm is crucial for its wider adoption.

Purpose of the Study:

  • To assess the effectiveness and safety of performing coronary catheterization using exclusively the right distal transradial access (dTRA) approach.
  • To evaluate radial artery patency and complication rates following dTRA.

Main Methods:

  • A prospective study involving 49 patients undergoing coronary catheterization at two centers.
  • Exclusively utilized right dTRA for all procedures.
  • Assessed radial artery patency at the forearm and snuffbox regions via triplex ultrasonography 24 hours post-procedure.
  • Monitored all complications for 24 hours.

Main Results:

  • The overall failure incidence for dTRA was 10.2%, with a mean puncture time of 3.9 minutes.
  • Manual hemostasis was significantly shorter (11 minutes) compared to device hemostasis (198 minutes).
  • No instances of distal or forearm radial artery occlusion were observed at 24-hour follow-up; no major complications were reported.

Conclusions:

  • This two-center study supports the safety and effectiveness of the right dTRA snuffbox approach in an all-comers population for coronary catheterization.
  • The findings contribute valuable data to the growing body of evidence for this technique.
  • Further global reports are anticipated to further clarify the nuances of dTRA implementation.