The Journal of craniofacial surgery
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Endovascular management of maxillary arteriovenous malformation (AVMs) can be complex. Transarterial, transvenous, and direct puncture embolization has been described. The authors report the case of a 9-year-old girl with a hemorrhagic maxillary AVM, which has been treated by transvenous embolization after failure of transarterial embolization. ⋯ Onyx filled the pouch and retrogradely reached some arterial feeders, achieving complete occlusion. Bleeding episode ceased and at 6 months follow-up no recurrence was found. Maxillary AVMs can be successfully treated by transvenous Onyx embolization.
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The authors experienced a case of severe epistaxis caused by accidental partial middle turbinectomy during nasotracheal intubation, which the patient had bilateral concha bullosa narrowing the nasal airway. Although anesthesiologist checked nasal airway through subjective symptoms and the size of both nostrils, they tend to overlook common anatomic variation, concha bullosa, and can injure turbinate structures. Therefore, preoperative computed tomography images should be carefully evaluated for the possibility of concha bullosa, which narrows nasal airway and induces the traumatic injury or epistaxis during nasotracheal intubation.
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A 40-year-old man suffered severe brain injury and received left side subdural hematoma evacuation with decompressive craniectomy. Intraoperative brain swelling had occurred during the surgery. ⋯ Secondary hematoma evacuation was performed and found a linear fracture near a bleeding meningeal artery. 2 days later CT scan showed cerebral infarction mainly in right posterior cerebral artery distribution. Early diagnosis by postoperative CT scan or other potential ways such as intraoperative sonography is important to prompt treatments and interrupt the pathophysiological chain of the serial attacks.