Three- and Four-Dimensional Ultrasound-Guided Regional Anesthesia: Are We There Yet?

ASRA News—August 31, 2016

In ASRA News, a publication by the American Society of Regional Anesthesia and Pain Medicine, Daniel B. Maalouf, MD, MPH, an anesthesiologist at Hospital for Special Surgery, explains the technological advancements in ultrasound imaging and its benefit on regional anesthesia.

According to the article, "Ultrasound guidance as a technique for nerve localization has demonstrated many advantages over the previously used electric nerve stimulation technique. These advantages include shorter block performance time, improved block quality, decreased local anesthetic (LA) dose requirements, and more successful placement of peripheral perineural catheters."

To read the full article, visit


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