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Renal Artery Stenosis and Renal Insufficiency

Weigh individual risks and benefits to determine whether revascularization will improve kidney function.

By DAVID J. SPINOSA, MD, AND KENNETH ROSENFIELD, MD

Pressure-Sensing Guidewire Analysis in RAS

Adapting this coronary-based technology to optimize “functional” renal artery revascularization could have significant clinical implications.

By David E. Allie, MD; Chris J. Hebert, RT, RCIS; and Craig M. Walker, MD

Direct Tibial Artery Access: A New Approach to Challenging CTOs

When conventional femoral access did not permit antegrade guidewire traversal, successful retrograde guidewire traversal was achieved in four cases using direct tibial artery puncture.

By Shaddy K. Younan, MD, and David E. Cohen, MD

Acute-on-Chronic Mesenteric Ischemia

Recanalization of an occluded SMA using a steerable, deflectable guiding catheter.

By Jack Wei Chieh Tan, MBBS, and John R. Laird, Jr, MD

Endograft Treatment of Complex Aortoiliac Disease

Six case studies detailing the use of balloon-expandable PTFE-covered stent endografts in the iliac anatomy.

By Leonardo C. Clavijo, MD, PhD, and John R. Laird, Jr, MD

Using Covered Stents in the Carotid Arteries

An overview of the potential uses for covered stents in this anatomy, including a review of the literature and procedural considerations.

By David L. Dawson, MD

Tackle the Block: Pain Management and Sedation for Percutaneous Ablation

A review of key regional nerve block techniques that may be used to reduce periprocedural pain during percutaneous ablation.

By Ravjot Dhatt, MD, FRCPC; Anastasia Hadjivassiliou, MBBS, MRCP, FRCR (UK), FRCPC; Stephen G. F. Ho, MD, FRCPC; Darren Klass, MBChB, MD, MRCS, FRCR, FRCPC; and David M. Liu, MD, FRCPC, FSIR