Patients who received interscalene brachial plexus block plus soft tissue infiltration with Exparel when undergoing primary shoulder arthroplasty used significantly more narcotics postoperatively and had no significant reduction in pain scores in the early postoperative period compared with patients who received interscalene brachial plexus block alone, according to results published in The Journal of Bone and Joint Surgery.
Researchers stimulated the nerves of an amputated arm with signals very similar to the natural ones, succeeding in "imitating the colors" of the evoked sensations of the various types of receptors and related nerve fibers present in the fingertips of the hand. This has brought greater realism and greater functionality of the feelings experienced by patients.
Chronic back pain is the number one cause of years lived with disability worldwide. Medical researchers have now identified three novel genetic variants associated with chronic back pain.