ArticleInternational journal of surgery case reports2024
Direct carotid-cavernous fistula after functional endoscopic sinus surgery - A case report.
Article in International journal of surgery case reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introduction and importanceDirect carotid-cavernous fistulas (CCF) are primarily caused by head trauma. Some cases have also been attributed to iatrogenic injuries during endovascular procedures. However, the reports of functional endoscopic sinus surgery (FESS) associated with direct CCFs are extremely rare. PRESENTATION OF CASE: A 52-year-old male worker, who suffered from chronic sinusitis and underwent functional endoscopic sinus surgery (FESS) performed by an otolaryngologist. Intra-operative finding indicated a left sphenoid sinus wall injury without internal carotid artery bleeding, which was repaired using mucosa and tissue glue. One month after discharge, he began experiencing tinnitus, headache and swelling in his left eye. Cerebral angiography revealed a direct carotid-cavernous fistula (CCF) on the left side. The patient underwent transarterial and transvenous stent-assisted coiling using detachable coils and Onyx, which alleviated his symptoms. CLINICAL DISCUSSION: A cavernous-carotid fistula following FESS is an exceedingly rare occurrence first reported by Karaman et al. in 2009. The incidence of internal carotid artery injury during FESS or endonasal endoscopic surgery (EES) is estimated to be between 0 and 0.1 %. Currently, there is no definitive explanation for the development of a carotid-cavernous fistula (CCF) post-FESS. Previous studies suggest that procedures like transsphenoidal surgery and EES can induce pseudoaneurysms in the internal carotid artery. If the cavernous pseudoaneurysm ruptures, it could lead to the formation of a CCF.
conclusionA direct cavernous-carotid fistula following functional endoscopic sinus surgery is a very rare. Consequently, when encountering patients with a carotid-cavernous fistula, relevant procedure history should be considered.
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