Ehrin J. Armstrong, MD, MSc, FACC

Original Research

Concomitant Drug-Coated Balloon Angioplasty With Bail-Out Use of Eluvia Drug-Eluting Stent: Is There Any Downside to a Double Dose of Paclitaxel?

08/01/2022

Eric A. Secemsky , MD, MSc, RPVI, FACC, FAHA, FSCAI;

Ehrin J. Armstrong , MD, MSc, FACC;

Stefanos Giannopoulos , MD;

Peripheral artery disease (PAD) of the lower extremities is frequently due to atherosclerotic lesions of the femoropopliteal artery, which may result in disabling claudication and rest pain with or without tissue loss. More than 50% of the...

Peripheral artery disease (PAD)...

08/01/2022

Cath Lab Digest

Peripheral Arterial Disease

Crossing Peripheral Chronic Total Occlusions Efficiently With the Crosser iQ™ CTO Recanalization System

06/02/2022

Ehrin J. Armstrong , MD, MSc, FACC;

I am an interventional cardiologist at Adventist Heart and Vascular Institute. We have an extensive practice focused on limb salvage and limb preservation in patients with advanced peripheral artery disease (PAD). This includes patients with...

I am an interventional...

06/02/2022

Cath Lab Digest

Original Contribution

Clinical Characteristics and Reperfusion Times Among Patients With an Isolated Posterior Myocardial Infarction

07/30/2013

James M. McCabe , MD, FACC;

Ehrin J. Armstrong , MD, MSc, FACC;

Stephen Waldo , MD;

Ameya Kulkarni , MD;

Kurt S. Hoffmayer , MD;

Priscilla Hsue , MD;

Peter Ganz , MD;

An isolated PMI is associated with significant morbidity and mortality. And because physicians often fail to recognize this diagnosis, there may be delays in the timely revascularization of these patients. The present study sought to identify...

An isolated PMI is associated...

07/30/2013

Journal of Invasive Cardiology

Case Report

Are We Appropriately Treating Infrapopliteal Arterial Disease? The Need for Precision Imaging With Intravascular Ultrasound

12/13/2018

Waheeb John Shammas , BS, MBA, RA, BA;

Qais Radaideh , MD, MS;

Nicolas W. Shammas , MD, MS, FACC, FSCAI, FACP, FSVM;

Gail A. Shammas , BSN, BS , RN, BSc;

Ehrin J. Armstrong , MD, MSc, FACC;

In a case of severe stenosis of the tibioperoneal trunk treated under angiographic and intravascular ultrasound (IVUS) guidance, angiography underestimated true vessel size and was unable to identify the presence of dissections vs IVUS.

In a case of severe stenosis of...

12/13/2018

Vascular Disease Management

Tips and Techniques

Intracardiac Echocardiography to Guide Percutaneous Closure of Atrial Baffle Defects

08/30/2012

Thomas W. Smith , MD;

Jason H. Rogers , MD;

Ehrin J. Armstrong , MD, MSc, FACC;

Andrew T. Kwa , MD;

Aarti Bhat , MD;

Benjamin Romick , MD;

Abstract: Background. Patients with complex congenital heart disease may require surgical construction of interatrial baffles to shunt blood between atria. Long-term complications of these procedures may include stenosis or leak of the...

Abstract: Background. Patients...

08/30/2012

Journal of Invasive Cardiology

Case Report

The Nature of Dissections in Infrapopliteal Arteries: Insights from Intravascular Ultrasound Imaging

04/18/2019

Gail A. Shammas , BSN, BS , RN, BSc;

Ehrin J. Armstrong , MD, MSc, FACC;

Nicolas W. Shammas , MD, MS, FACC, FSCAI, FACP, FSVM;

Waheeb John Shammas , BS, MBA, RA, BA;

Qais Radaideh , MD, MS;

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...

04/18/2019

Vascular Disease Management

Diabetes Watch

Emerging Insights On The Role Of Endovascular Revascularization In Wound Healing And Amputation Prevention

08/11/2019

Vickie R. Driver , DPM, MS, FACFAS;

David O'Connor , MD;

W. Schuyler Jones , MD;

Anthony R. Iorio , DPM, MPH;

Fadi Saab , MD, FACC, FSCAI;

George L. Adams , MD, MHS, MBA, FACC, FSCAI;

Ehrin J. Armstrong , MD, MSc, FACC;

Jihad A. Mustapha , MD, FACC, FSCAI;

Lower extremity peripheral artery disease (PAD) has varied manifestations and is categorized according to the Rutherford classification.1,2,3 Claudication progresses from mild to severe in Rutherford categories one through three (RC1–3).

Lower extremity peripheral...

08/11/2019

Podiatry Today

A Percutaneous Crossing Algorithm for Femoropopliteal and Tibial Artery Chronic Total Occlusions (PCTO Algorithm)

03/28/2019

Mohammad Ansari , MD;

Jihad A. Mustapha , MD, FACC, FSCAI;

Emmanouil S. Brilakis , MD, PhD, FACC, FAHA, FESC, FSCAI;

Subhash Banerjee , MD, FSCAI;

Bryan T. Fisher Sr., MD;

Constantino S. Pena , MD, FAHA, FSCCT, FSIR;

Arthur C. Lee , MD, FACC, FSCAI;

John H. Rundback , MD, FAHA, FSIR;

Mehdi H. Shishehbor , DO, MPH, PhD;

Ehrin J. Armstrong , MD, MSc, FACC;

Sahil A. Parikh , MD, FACC, FSCAI;

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

Clinical Outcomes and Cost Comparisons of Stent and Non-Stent Interventions in Infrainguinal Peripheral Artery Disease: Insights From the Excellence in Peripheral Artery Disease (XLPAD) Registry

12/28/2018

Scott Kinlay , MD;

Mujtaba M. Ali , MD, RPVI;

Bala Ramanan , MD, MBBS;

Shirling Tsai , MD;

Emmanouil S. Brilakis , MD, PhD, FACC, FAHA, FESC, FSCAI;

Subhash Banerjee , MD, FSCAI;

Tayo Addo , MD;

Mazen S. Abu-Fadel , MD;

Christopher T. Bajzer , MD;

Ian M. Cawich , MD;

Houman Khalili , MD;

Michael Luna , MD;

Khusrow Niazi , MD;

Anand Prasad , MD, FACC, FSCAI, RPVI;

Ehrin J. Armstrong , MD, MSc, FACC;

Nicolas W. Shammas , MD, MS, FACC, FSCAI, FACP, FSVM;

Osvaldo S. Gigliotti , MD;

Haekyung Jeon-Slaughter , PhD;

Bassel Bou Dargham , MD, BS;

Preeti Kamath , BDS, MHA;

Mazin I. Foteh , MD;

We present data on 2162 patients from the ongoing United States multicenter XLPAD registry between 2006-2016 to compare stent vs non-stent treatment outcomes and associated costs in FP interventions.

We present data on 2162 patients...

12/28/2018

Journal of Invasive Cardiology