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Episode 90

Pedal Acceleration Time for Limb Salvage

with Jill Sommerset and Dr. Mary Costantino

BackTable, LLC (Producer). (2020, October 19). Ep. 90 – Pedal Acceleration Time for Limb Salvage [Audio podcast]. Retrieved from

Dr. Mary Costantino and Technical Director Jill Sommerset talk technique and utility of using Pedal Acceleration Time for pre- and post-procedure evaluation of CLI patients. They also discuss intra-procedure extravascular ultrasound guidance to aid in safe and effective endovascular interventions.

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Podcast Participants

Jill Sommerset

Jill Sommerset is a Technical Director and Registered Vascular Technologist in Portland, OR.

Dr. Mary Costantino

Host Dr. Mary Costantino is a practicing interventional radiologist with Comprehensive Interventional Care Centers in Portland, OR.

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Show Notes

In this episode, Jill Sommerset joins Dr. Mary Costantino to discuss how she developed Pedal Acceleration Time (PAT) for limb salvage. She begins by talking about what got her into vascular ultrasound and the importance of vascular techs, especially for pre-operative planning.

We discuss how she invented the pedal acceleration time technique by tracking data from foot scans. Jill speaks about PAT classifications and how they correlate to ABI (Ankle-Brachial Index) numbers. We talk through how they use pedal acceleration time on a typical day and for some different types of patients.

We go over some of the limitations of PAT and some of the cases where it is extremely helpful. Jill discusses her role in the cath lab, how she is developing a platform for pedal acceleration time training, and why it is important for both the physician and vascular tech to learn about PAT.


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