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Design and baseline results of a coaching intervention for implementation of trans-radial access in percutaneous coronary intervention.

Beaver K, Naranjo D, Doll J, Maynard C, Taylor L, Plomondon M, Waldo S, Helfrich CD, Rao SV. Design and baseline results of a coaching intervention for implementation of trans-radial access in percutaneous coronary intervention. Contemporary clinical trials. 2021 Dec 1; 111:106606.

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Trans-radial artery access (TRA) for cardiac catheterization and percutaneous coronary intervention has many advantages over trans-femoral artery access (TFA), but implementation has been slow. The steep learning curve, logistical issues, and radiation exposure have been documented as barriers to implementation. Although many cardiac catheterization laboratories have overcome these barriers, we lack evidence on effective implementation strategies. Our objective is to test a team-based coaching intervention that targets the learning curve and other barriers to increase use of TRA. We use a stepped-wedge cluster-randomized trial to test a coaching intervention in Department of Veterans Affairs cardiac catheterization laboratories. The coaching intervention comprises team-based didactic instruction with live observation at a TRA-proficient lab, followed by a visit from a cardiologist and catheterization laboratory nurse coaching team. Interview and survey data are collected from participants to test and adapt an implementation science framework known as the Promoting Action on Research Implementation in Health Services (PARIHS) framework. This study is designed to test the effectiveness of the coaching intervention on TRA implementation, inform changes to the coaching intervention itself, and test and adapt the PARIHS framework in practice. While the benefits of TRA, including increased clinical efficiency, patient comfort, and reduced patient complications, are well understood, the underlying drivers of TRA adoption and sustained practice are not. Findings from this trial can inform future research to facilitate change in the cardiac catheterization laboratory.

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