Case Report

Retropharyngeal Hematoma in a 90-Year-Old Woman

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A 90-year-old woman with multiple comorbidities, including atrial fibrillation, presented with epistaxis after falling from a standing position.


 

References

Case

A 90-year-old woman with chronic obstructive pulmonary disease; hypertension; chronic kidney disease; diastolic dysfunction; severe tricuspid regurgitation; and atrial fibrillation (AF), for which she was taking rivaroxaban, presented to the ED for evaluation of injuries she sustained during a fall. The patient’s family stated that she fell while walking with the assistance of a walker and landed on her face. There was no reported loss of consciousness. Upon arrival at the ED, the patient’s vital signs were: blood pressure, 188/105 mm Hg; heart rate, 91 beats/min; respiratory rate, 20 breaths/min; and temperature, 97.88 °F (36.6°C). Oxygen (O 2) saturation was 90% on room air, but increased to 98% after the patient received 10 L/min of O 2 through a non-rebreather mask.

On physical examination, the patient was awake, alert, and oriented to person, place, and time, with a Glasgow Coma Scale score of 15. She was able to move all four extremities and had 4/5 motor strength in the upper extremities bilaterally, and 3/5 motor strength in the bilateral lower limbs, which her family reported was the same as her baseline. On pulmonary examination, the lungs were clear to auscultation bilaterally and had no stridor. On auscultation she had a regular rate, with no murmurs or rubs.

The patient had nasal bone tenderness with epistaxis that resolved spontaneously and did not require packing; she had no other facial tenderness. The oropharynx was clear. There was mild posterior midline tenderness over C5 and C6, but no skin ecchymosis or neck swelling. Along with the non-rebreather mask, the patient was placed in a neck collar while she awaited transport to radiology for computed tomography (CT) studies.

The CT scan of the cervical spine demonstrated a minimally displaced fracture of the right anterior arch, both sides of the posterior arch of C1, and a comminuted minimally displaced fracture involving the posterior arch and spinous process of C5, with mild retrolisthesis of C5 over C6.

Figure.
In addition, a retropharyngeal hematoma extending from C1 to C7 measuring 9.6 x 2.2 cm in the superior inferior and anteroposterior diameter was present, causing a mass effect on the oropharynx and hypopharynx ( Figure).

Based on the CT findings, the patient was taken to the operating room (OR) where she underwent awake fiberoptic laryngoscopy. During transfer to the OR, the patient’s O 2 dropped to 87%; however, after successful intubation without complication, O 2 saturation improved to 95%. After intubation, the patient was admitted to the intensive care unit for observation, and rivaroxaban therapy was discontinued.

A CT scan of the neck postintubation showed a mild interval decrease in the retropharyngeal hematoma, but an increase in the anterior disc space at C5-C6 with mild retrolisthesis, which raised suspicion for an anterior longitudinal ligamentous injury. A repeat CT scan on hospital day 4 revealed a new bleed within the old retropharyngeal hematoma, with no increase in thickness or size of the initial hematoma. The head and neck surgical team kept the patient intubated while awaiting resolution of the hematoma, with no plan of surgery.

On hospital day 6, the patient was transferred to another facility for continued long-term care. She was transitioned to a tracheostomy 4 days later. Follow-up approximately 2 weeks after presentation confirmed complete resolution of the hematoma, and no surgical intervention was required.

Discussion

Overview

Retropharyngeal hematomas are infrequent, but potentially life-threatening complications of cervical fractures, foreign body trauma, infection, violent coughing, and anticoagulation therapy. 1 Although retropharyngeal hematomas associated with warfarin have been well described, to our knowledge, there are no reported cases associated with a direct oral anticoagulant (DOAC). 2

Though multiple studies have supported the effectiveness and safety of DOACs for prevention of stroke and systemic embolism in patients with AF, the risk of hemorrhage still exists. 3 Postmarketing surveillance studies of DOACs report an overall risk of bleeding comparable to warfarin. Gastrointestinal bleeding was found to be slightly higher in patients taking a DOAC compared to those on warfarin, but the risk of intracranial bleeding from DOACs was notably lower. 3 With limited effective reversal agents, DOACs present a tremendous challenge in managing acute life-threatening hemorrhage. 4

Signs and Symptoms

Patients with retropharyngeal hematomas can present with dyspnea, sore throat, dysphagia, or odynophagia. Neck tenderness and swelling can suggest a retropharyngeal hematoma. 5 The diagnosis of a retropharyngeal hemorrhage is of clinical importance because of the possible threat of airway obstruction—which may not be initially detectable clinically, and depends on how quickly the blood fills the retropharyngeal

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