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Upper respiratory infections can be complicated by acute bacterial sinusitis in pediatric patients, and usually resolve with antibiotic therapy (DeMuri and Wald, 2011). However, intracranial complications such as: epidural abscess, meningitis and more rarely cerebral sinus venous thrombosis (CSVT) can occur (Germiller et al., 2006). We report an unusual case of sinusitis complicated by an epidural abscess and later a CSVT in a young previously healthy patient. A 12-year-old female presented to the emergency department with a 9-day history of headaches and a 3-day history of fevers, rigors, nasal congestion and nonproductive cough. She later tested positive for Covid-19. CT and MRI showed extensive paranasal sinus disease and a right frontal epidural collection. MRV showed no sinovenous thrombosis. Washout and burr hole drainage alongside endoscopic sinus surgery was completed and post-op imaging showed evacuation of the epidural abscess with a small residual collection. Six days after the procedure, she experienced worsening headaches and MRV showed a nonocclusive thrombus in the superior sagittal sinus, which was treated with anticoagulation therapy. Upon follow-up, the patient showed improvement of the sinusitis, abscess and thrombus. This specific case encourages clinicians to be aware of complications, though rare, and to diagnose and treat sinusitis cases quickly. It is also important to be aware of any risk factors for thrombus formation, including an inflammatory and hypercoagulable state. In the patient's case, it was perceived that the CSVT was provoked due to the patient's Covid-19 infection, abscess, and sinus disease.

Spinal arteriovenous malformations (sAVM) are abnormally developed spinal blood vessels with an increased risk of hemorrhage. Current literature regarding sAVMs is sparse and describes classic presentations in very young children or adults. We report a unique case of a sAVM in an adolescent patient. A 16-year-old female patient presented to the emergency department with a 3-day history of headaches. Initial CT showed no abnormalities. Worsening headaches led the patient to a neurology clinic and a fundoscopy revealed papilledema. The patient was transferred to a pediatric emergency department where repeat head CT showed a possible subarachnoid hemorrhage, and a cranial MRI/MRV showed what appeared to be a non-occlusive sinus venous thrombosis. CT angiography of the head and neck showed no evidence of thrombosis, but it did reveal possible upper thoracic vascular abnormalities. Thoracic MRI revealed an intradural sAVM at T3-T5. The sAVM was successfully resected with thoracic laminectomy with reconstructive laminoplasty. The patient experienced complications with development of right lower extremity motor and sensory deficits intra-op, but is showing continued improvement. This unique case encourages emergency medicine clinicians to expand the differential diagnoses for pediatric patients presenting with a headache and intracranial hypertension without a clear intracranial cause.

AbstractObjectiveCreate an easy‐to‐use pediatric out‐of‐hospital cardiac arrest (OHCA)‐specific chart review tool to reliably detect severe adverse safety events (ASEs) in the prehospital care of children with OHCA. MethodsWe revised our previously validated pediatric prehospital adverse event detection system (PEDS) tool, used to evaluate ASEs in the prehospital care of children during emergent calls, to create an OHCA‐specific chart review tool. We developed decision support for reviewers, reviewer training, and a dedicated section for chart data abstraction. We randomly selected 28 charts for independent review by 2 expert reviewers who determined the presence or absence of a severe ASE for each care episode and identified the domain of care and preventability for each ASE. We calculated inter‐rater agreement in the assessment of the presence or absence of a severe ASE using Gwet's first‐order agreement coefficient (AC1). ResultsThe PEDS‐OHCA chart review tool has 6 sections, with a minimum of 70 and maximum of 667 total possible fields. We found inter‐rater agreement of 0.83 (95% confidence interval, 0.63–0.99) between our 2 reviewers for the overall detection of a severe ASE and an average time to complete of 8 minutes (range, 2–25 minutes). Inter‐rater agreement in the detection of a severe ASE in each individual domain ranged from 0.36 to 0.96. ConclusionsThe PEDS‐OHCA is the first chart review tool to systematically evaluate the safety and quality of EMS care for children with OHCA. This tool may help improve understanding of the quality of EMS care for children with OHCA, which is essential to improving outcomes.