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Best practices for transradial angiography and intervention: SCAI Updated Guideline

Written By : Medha Baranwal |Medically Reviewed By : Dr. Kamal Kant Kohli Published On 2020-01-16T14:53:15+05:30  |  Updated On 16 Jan 2020 2:53 PM IST
Best practices for transradial angiography and intervention: SCAI Updated Guideline
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The Society for Cardiovascular Angiography and Interventions (SCAI) has released an updated version of its 2013 guideline on best practices for transradial angiography and intervention. The new guideline, published in the journal Catheterization and Cardiovascular Interventions, recommends the use of ultrasound to guide vascular access.

Transradial angiography and intervention continue to become increasingly common as an access site for coronary procedures. Since the last published consensus statement in 2013, the ongoing trials have shed further light on the safest and most efficient methods to perform these procedures. The present guideline throws light on the use of ultrasound to facilitate radial access, the role of ulnar artery access, the utility of non‐invasive testing of collateral flow, strategies to prevent radial artery occlusion, radial access for primary PCI and topics that require further study.

"The aim of the present guideline is to translate clinical trial experience into recommendations for practicing clinicians with the goal of standardizing practices around proven clinical outcomes," wrote the authors.

Key Recommendations:

Ultrasound Guidance for Arterial access

  • Operators should develop proficiency with ultrasound guidance to facilitate forearm vascular access.
  • Real‐time ultrasound guidance should be available and used when difficulty with radial access is encountered or expected.

Ulnar Artery Access

  • Radial artery access is preferred over ulnar artery access in most situations.
  • The ulnar artery may be a reasonable alternate access site when the risks of radial access failure or complication are high (e.g., small radial diameter, calcification, tortuosity, or anatomic anomaly).
  • The ipsilateral ulnar artery may be a reasonable secondary access site after failed radial access; however, the data are limited.
  • In cases of radial artery occlusion, there are insufficient data to provide a recommendation on the use of the ipsilateral ulnar artery over alternate access sites such as the contralateral radial or femoral arteries.

Utility of Noninvasive Assessment of Collateral Flow or Palmar Arch Patency

  • Transradial catheterization can be performed regardless of results of noninvasive collateral testing. Routine collateral testing should not be used as a triage tool for access site selection.
  • Collateral testing may be useful in screening for postprocedural radial artery occlusion and in assessing the adequacy of hemostasis techniques.

Prevention of Radial Artery Occlusion

  • Administration of intravenous or intra‐arterial unfractionated heparin 5,000 U or 50 U/kg or a higher dose as a bolus is recommended following placement of radial artery introducer sheath.
  • Concomitant ipsilateral ulnar artery compression is recommended to further maximize radial artery patency.
  • Use of lowest profile sheath and/or catheter system required for procedural success, with attention to sheath/catheter‐to‐artery ratio.
  • Patent hemostasis should be the default strategy, regardless of the method or device used for compression of the arteriotomy.

Radial Access for Primary PCI for STEMI

  • Transradial access (TRA) can be used for primary PCI to reduce vascular complications and bleeding in cardiac catheterization laboratories with appropriate training and expertise in radial access procedures.
  • Operators should become experienced with nonemergent TRA PCI prior to performing STEMI TRA PCI.
  • Appropriately defined strategies for arterial access site crossover (contralateral radial or femoral) should be in place to facilitate the decision process during emergencies in order to avoid delays in revascularization and ensure optimal outcomes.

The document, "SCAI expert consensus statement update on best practices for transradial angiography and intervention" is published in the journal Catheterization and Cardiovascular Interventions.

DOI: https://doi.org/10.1002/ccd.28672

Source : Catheterization and Cardiovascular Interventions journal
Medha Baranwal
Medha Baranwal

    MSc. Biotechnology

    Dr. Kamal Kant Kohli
    Dr. Kamal Kant Kohli

    Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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