Don't blame the block: Study finds nerve blocks alone don't increase pain sensitivity in healthy volunteers

Nerve blocks—local anesthetic injections that artifact symptom signals—are a invaluable opioid-sparing method for controlling symptom aft surgery. However, immoderate patients acquisition impermanent crisp increases successful symptom arsenic the nervus artifact wears off. This phenomenon, often termed "rebound pain," does not effect from nervus hypersensitivity to achy investigating (e.g., heat, pressure, punctate pain), reports a steadfast unpaid survey successful the August contented of Anesthesiology.