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Radial Artery Access With Ultrasound Trial

Information source: University of California, Irvine
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Coronary Artery Disease

Intervention: Ultrasound guidance (Procedure); Palpation (Procedure)

Phase: N/A

Status: Completed

Sponsored by: University of California, Irvine

Official(s) and/or principal investigator(s):
Arnold H Seto, MD, MPA, Principal Investigator, Affiliation: University of California, Irvine and Long Beach VA Medical Center
Zoran Lasic, MD, Principal Investigator, Affiliation: Lenox Hill Hospital


Radial artery access for cardiac catheterization can require multiple attempts. Multiple attempts increase the time required, patient discomfort, and the risk of arterial spasm. Ultrasound guidance has been shown in other studies to reduce the number of attempts and complications in central venous and femoral artery access. This study will test if the addition of ultrasound guidance reduces the number of attempts and time required to access the radial artery.

Clinical Details

Official title: Radial Artery Access With Ultrasound Trial

Study design: Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment

Primary outcome: Number of Attempts

Secondary outcome:

Time to Sheath Insertion (Seconds)

First-pass Success Rate


Minimum age: 18 Years. Maximum age: N/A. Gender(s): Both.


Inclusion Criteria:

- Adult patients presenting for cardiac or peripheral catheterization with planned

radial approach.

- Barbeau's or Allen's test indicating at least some degree of collateral circulation

in palmar vessels

- Functional ultrasound equipment with ultrasound trained attending operator

Exclusion Criteria:

- Inability to provide informed consent

- Femoral access

- Emergency procedure (Shock, STEMI)

- End-stage renal disease on hemodialysis

- Previous ipsilateral puncture within 1 week

Locations and Contacts

Long Beach VA Medical Center, Long Beach, California 90822, United States

University of California Irvine Medical Center, Orange, California 92868, United States

Baptist Hospital of Miami, Miami, Florida 33176, United States

Jamaica Hospital, Jamaica, New York 11418, United States

Lenox Hill Hospital, New York, New York 10075, United States

Oklahoma VA Medical Center, Oklahoma City, Oklahoma 73104, United States

Additional Information

Starting date: December 2011
Last updated: February 25, 2015

Page last updated: August 23, 2015

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