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Clinical Trial Summary

The study team aims to perform a prospective observational case series of one hundred consecutive distal radial artery heart catheterizations to evaluate the safety and feasibility of distal radial access. Distal radial artery access has evolved in the past few years as an alternative to the standard radial artery access for coronary angiography and interventions. However, the available data on the distal radial artery access for coronary angiography and interventions is limited to case reports and small retrospective case series. To date, no prospective randomized data is available. Therefore, the investigators aim to perform a prospective observational case series of one hundred sequential left heart catheterizations performed via distal radial artery to evaluate the safety and feasibility of the distal radial artery access.


Clinical Trial Description

Despite the abundance of data supporting the use of the radial artery compared to the femoral artery, data on the use the distal radial access site in the anatomical snuffbox is limited. Most of the available literature on the distal radial access comes from case reports and small retrospective case series looking primarily at the feasibility and success rates with this approach (4-6). Crossover rate from proximal radial to femoral approach in a prior randomized controlled trial was reported at 3.7% (2). A similar rate has been reported in case series studies of distal radial access, with success rates ranging from 88.6% to 96.3% (4-6). No cases of radial artery occlusion, hematoma, or hand paresthesia were reported in any of these series. Given the promising results with the distal radial approach, its use has expanded to many cardiac catheterization laboratories across the country. However, prospective randomized data comparing distal versus the conventional proximal radial arterial access sites is warranted. Therefore, the aim of this study is to compile a prospective observational case series to evaluate the safety and feasibility of distal radial artery access in a prospective case series. If an acceptable safety profile can be demonstrated, the case series will be followed with a randomized controlled trial directly comparing distal to standard proximal radial artery approach. Specific Aims and study hypothesis: The primary aim of the present study is to assess the safety and feasibility of distal radial arterial access. The study hypothesis is that distal radial access for coronary angiography is associated with similar incidence rates of access site related complications compared to complication rates previously reported with the standard proximal radial artery access. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03794687
Study type Observational [Patient Registry]
Source University of Florida
Contact
Status Completed
Phase
Start date April 3, 2019
Completion date September 15, 2021

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