Cases & Commentaries
An older woman admitted to the medical-surgical ward with multiple right-sided rib fractures received a paravertebral block to control the pain. After the procedure, the anesthesiologist realized that the block had been placed on the wrong side. The patient required an additional paravertebral block on the correct side, which increased her risk of complications and exposed her to additional medication. In the accompanying commentary, Michael J. Barrington, MBBS, PhD, of Melbourne Medical School, and Yoshiaki Uda, MBBS, of Toronto General Hospital, review factors that contribute to wrong-site procedures and suggests tactics to address them.