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Ehrin J. Armstrong, MD, MSc, FACC

03/28/2019
This review outlines a contemporary ultrasound-based approach to crossing femoropopliteal PCTOs based on a review of prospectively collected case report surveys, published evidence, and expert opinion compiled by the writing group members.
This review outlines a contemporary ultrasound-based approach to crossing femoropopliteal PCTOs based on a review of prospectively collected case report surveys, published evidence, and expert opinion compiled by the writing group members.
This review outlines a...
03/28/2019
Journal of Invasive Cardiology
Original Contribution
11/30/2022
Few studies have directly compared procedural details and outcomes after retrograde vs antegrade crossing of FP lesions.
Few studies have directly compared procedural details and outcomes after retrograde vs antegrade crossing of FP lesions.
Few studies have directly...
11/30/2022
Journal of Invasive Cardiology
Original Contribution
05/28/2021
The aim of this study was to determine whether there are racial differences in outcomes of patients with PAD undergoing endovascular treatment. 
The aim of this study was to determine whether there are racial differences in outcomes of patients with PAD undergoing endovascular treatment. 
The aim of this study was to...
05/28/2021
Review
01/28/2022
Infrapopliteal arterial disease results from 2 major etiologies: medial calcification and intimal atheromatous plaque. Lesion calcification constitutes one of the most widely encountered risk factors for percutaneous transluminal angioplasty...
Infrapopliteal arterial disease results from 2 major etiologies: medial calcification and intimal atheromatous plaque. Lesion calcification constitutes one of the most widely encountered risk factors for percutaneous transluminal angioplasty...
Infrapopliteal arterial disease...
01/28/2022
Journal of Invasive Cardiology
The Nature of Dissections in Infrapopliteal Arteries: Insights from Intravascular Ultrasound Imaging
Case Report
06/10/2020
Shammas and colleagues discuss how treatment of infrapopliteal arteries can be challenging due to the presence of medial calcinosis and fibrotic rings.
Shammas and colleagues discuss how treatment of infrapopliteal arteries can be challenging due to the presence of medial calcinosis and fibrotic rings.
Shammas and colleagues discuss...
06/10/2020
Cath Lab Digest
Original Contribution
06/01/2022
The application of 2 distinct and simultaneously applied drug-delivery platforms for the treatment of peripheral artery disease has not been studied. This study investigated the outcomes of femoropopliteal disease treated with drug-coated...
The application of 2 distinct and simultaneously applied drug-delivery platforms for the treatment of peripheral artery disease has not been studied. This study investigated the outcomes of femoropopliteal disease treated with drug-coated...
The application of 2 distinct...
06/01/2022
Journal of Invasive Cardiology
Original Contribution
03/15/2018
We examined the baseline clinical and angiographic characteristics and procedural outcomes of 130 target lesions in 121 consecutive PCIs (n = 116 patients) in which excimer laser coronary atherectomy was performed at three United States...
We examined the baseline clinical and angiographic characteristics and procedural outcomes of 130 target lesions in 121 consecutive PCIs (n = 116 patients) in which excimer laser coronary atherectomy was performed at three United States...
We examined the baseline...
03/15/2018
Journal of Invasive Cardiology
Procedural and 3-Year Outcomes of Peripheral Vascular Interventions Performed in Office-Based Labs: LIBERTY 360 Sub-Analysis
Original Contribution
05/01/2021
Few data are available on the safety of interventions for peripheral arterial disease performed in the office-based laboratory (OBL) setting. Thus, the aim of this study was to investigate the short- and late-term outcomes of patients treated...
Few data are available on the safety of interventions for peripheral arterial disease performed in the office-based laboratory (OBL) setting. Thus, the aim of this study was to investigate the short- and late-term outcomes of patients treated...
Few data are available on the...
05/01/2021
Journal of Invasive Cardiology
Original Contribution
09/30/2018
This study compared clinically driven target-lesion revascularization, target-vessel revascularization, and target-limb revascularization outcomes at 1 year between drug-eluting stent and bare-metal stent treatments in a real-world setting.
This study compared clinically driven target-lesion revascularization, target-vessel revascularization, and target-limb revascularization outcomes at 1 year between drug-eluting stent and bare-metal stent treatments in a real-world setting.
This study compared clinically...
09/30/2018
Journal of Invasive Cardiology