Background: Management of pain from traumatic rib injury is very challenging. Both acute and chronic pain caused by rib injury can cause significant morbidity (pain-induced hypoventilation, pneumonia, respiratory failure) and functional hindrance. Traditional pain management strategies in the emergency department (ED) that target acute traumatic rib pain are limited by the side effects of medications or the temporary half-life of anesthetics used for a nerve block. Both treatment modalities fall short of addressing subsequent chronic sequelae.
Case report: We present the first-time use of cryoneurolysis on an ED patient for the treatment of 10/10 severe traumatic intercostal neuralgia that resulted in the patient being discharged home pain free. The patient initially underwent a multilevel left-sided T5-T7 intercostal nerve block, followed by ultrasound-guided percutaneous cryoneurolysis of those intercostal nerves using two cycles of 2 min of cooling to a temperature of -70°C (nitrous oxide), with 30 s of thawing in between. The patient experienced 100% pain relief immediately post procedure that was sustained. He remained completely symptom free more than 6 months after the bedside procedure and returned to sports without restrictions. Why Should an Emergency Physician Be Aware of This? This case highlights the benefits of cross-departmental collaboration between the ED, Anesthesia, and Pain Management. We hope this model of multidisciplinary pain modulation can be replicated for other patients with similar pain and can herald a new paradigm of pain management in the ED.
Keywords: cryoneurolysis; intercostal neuralgia; pain management; rib injury; ultrasound.
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