When There exists compression about the nerve, surgical alternatives are targeted at relieving the force and taking away pressure from your nerve. Fluid buildup from the elbow—A buildup of fluid while in the joint, like that occurring with elbow bursitis, might cause swelling which could compress the ulnar nerve. Verywell https://www.theorthopaedicandpainpractice.com/the-latest-advances-in-elbow-nerve-pain-treatment/