Isolated Ulnar Shaft Fracture

Symptoms and Diagnosis:

  • 60-year-old left-handed woman presented to the emergency department with pain in her left forearm after being struck by a baseball bat by her partner
  • On physical examination, the left forearm was swollen and tender, especially with passive pronation and supination
  • Radiographs of the left forearm showed an isolated ulnar shaft fracture

Cause and Treatment:

  • Isolated ulnar shaft fractures, also called “nightstick fractures,” result from blunt force trauma to the forearm, which occurred in this case due to intimate-partner violence
  • The patient underwent open reduction and internal fixation of the fracture, followed by splinting

Assessment and Social Services:

  • Comprehensive assessments of the safety and mental health of the patient were performed
  • Social services were offered to the patient

Follow-up:

  • At follow-up 10 weeks later, the patient had regained full function of her arm
  • The patient had obtained a restraining order for protection and was receiving assistance from a social worker

Dornbos, D. L., & Kreps, J. D. (2022). A 56-Year-Old Man with Fecal Incontinence. New England Journal of Medicine, 386(4), e5. doi: 10.1056/NEJMicm2211242