Concurrent Spontaneous Pneumomediastinum and Pneumorrhachis

Publication date: June 2018
Source:The Journal of Emergency Medicine, Volume 54, Issue 6
Author(s): Alexander J. Heckman, Michael Mohseni, Armando Villanueva, Jennifer B. Cowart, Charles G. Graham
BackgroundSpontaneous pneumomediastinum with concurrent pneumorrhachis (air in the spinal canal) and subcutaneous emphysema can be an alarming presentation, both clinically and radiographically. These clinical entities often require only conservative measures after ruling out any worrisome underlying causes. Management often involves appropriate imaging, hospital admission, and sub-specialty consultation as needed to help determine any potential causes for the presentation that may require anything more than a period of medical observation.Case ReportA 20-year-old man presented to the Emergency Department (ED) with acute onset of chest pain. Physical examination was significant for subcutaneous emphysema across the anterior chest wall. Radiographs of the neck revealed extensive soft tissue emphysema extending into the upper mediastinum. Computed tomography (CT) of the neck with contrast revealed a small amount of air within the central canal of the spinal cord, in addition to extensive pneumomediastinum and subcutaneous emphysema. The patient remained stable and was discharged home on hospital day 2, after significant threats for morbidity or mortality were ruled out.Why Should an Emergency Physician Be Aware of This?Spontaneous pneumomediastinum, pneumorrhachis, and subcutaneous emphysema are rare clinical entities, but each requires thorough investigation in the ED to rule out any underlying life-threatening cause. A conservative treatment approach is appropriate for most patients without evidence of cardiorespiratory compromise or neurologic deficits accruing due to these problems.



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