Tactics for Reducing Risk for Interscalene Block–Related Phr
The possibility of symptomatic or permanent phrenic nerve palsy (PNP) need not loom over every patient administered an interscalene nerve block.

Ki Jinn Chin, MD, associate professor in the Department of Anesthesia at Toronto Western Hospital, University of Toronto, told attendees of the 2016 International Symposium of Ultrasound for Regional Anesthesia, Pain Medicine, and Peri-operative Application that the risk can be cut by shifting the location of the block down the neck and reducing the dose, volume or concentration of the anesthesia....