Ultrasound Guidance for Caudal Epidural Steroid Injection

Author

Shankar Hariharan, M.D.
Assistant Professor of Anesthesiology
Medical College of Wisconsin,
Milwaukee, Wisconsin

Commentary

Bernhard Moriggl, M.D.
Professor
University of Innsbruck
Innsbruck, Austria

Introduction - TOP

The epidural space is a potential space between the dura mater and the ligamentum flavum, extending from the base of the skull to the sacrum. One of the earliest approaches to the epidural space was through the caudal hiatus.1  The sacral hiatus at the base of the sacrum provides an entry portal to the epidural space. Local anesthetic and steroid mixtures injected into the epidural space are used to provide pain relief in patients with lumbosacral radiculopathy.2 

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