Related Experiment Video
Updated: Jan 29, 2026

Transradial Access Chemoembolization for Hepatocellular Carcinoma Patients
Published on: September 20, 2020
Radial Access for Lower Extremity Peripheral Arterial Interventions: Do We Have the Tools?
Raghuram Posham1, Lindsay B Young1, Robert A Lookstein1
1Icahn School of Medicine at Mount Sinai, New York, New York.
Transradial access (TRA) offers benefits over transfemoral access (TFA) for treating peripheral arterial disease (PAD). This review explores current TRA options and challenges for lower extremity PAD interventions.
Area of Science:
- Interventional Cardiology
- Vascular Surgery
- Peripheral Arterial Disease Management
Background:
- Transfemoral arterial access (TFA) is the standard for peripheral arterial disease (PAD) interventions.
- Transradial arterial access (TRA) is well-established for coronary interventions but less adopted for lower extremity PAD.
- Existing literature highlights TRA benefits, yet TFA remains predominant for PAD management.
Purpose of the Study:
- To review the current literature on transradial access (TRA) for lower extremity peripheral arterial disease (PAD).
- To identify available devices and techniques enabling TRA for PAD interventions.
- To discuss the limitations and unmet needs in performing lower extremity PAD treatment via TRA.
Main Methods:
- Comprehensive literature review of studies comparing TRA and TFA for PAD.
- Analysis of available devices and technological advancements facilitating TRA in lower extremity interventions.
- Evaluation of procedural outcomes, complications, and limitations associated with TRA for PAD.
Main Results:
- While TRA offers advantages, its application in lower extremity PAD is limited by device availability and operator experience.
- Specific devices and techniques are emerging to facilitate TRA for PAD, but challenges remain.
- Further research and technological development are needed to optimize TRA for PAD interventions.
Conclusions:
- Transradial access (TRA) holds potential for treating lower extremity peripheral arterial disease (PAD).
- Current limitations in devices and techniques necessitate further innovation to fully realize TRA's benefits for PAD.
- Operator adoption of TRA for PAD requires addressing existing challenges and demonstrating comparable efficacy to TFA.
Related Concept Videos
Peripheral Artery Disease I: Introduction
Peripheral Artery Disease IV: Nursing Management
Peripheral Artery Disease III: Interprofessional Care
Peripheral Artery Disease V: Postoperative Nursing Management
Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation
Radial System Protection
In a radial system with a fault downstream of the third breaker, ideally, only the third breaker will open, isolating the fault and interrupting the load connected beyond it. The second breaker has a longer delay setting,...

