Usefulness of computed tomography in predicting ethmoidal arterial bleeding in refractory epistaxis
- Jeon, Yung Jin; Kim, Dae Hwan; Kim, Young Chul; Lee, Byeong Min; Joo, Yeon-Hee; Cho, Hyun-Jin; Kim, Sang-Wook
- Issue Date
- Anterior ethmoidal artery; Posterior ethmoidal artery; Computed tomography; Epistaxis; Surgical procedures
- EUROPEAN ARCHIVES OF OTO-RHINO-LARYNGOLOGY, v.277, no.7, pp.1969 - 1975
- Journal Title
- EUROPEAN ARCHIVES OF OTO-RHINO-LARYNGOLOGY
- Start Page
- End Page
- Purpose Epistaxis that is refractory to conservative management can be treated with endoscopic sphenopalatine artery ligation (ESPAL). Although rare, ethmoidal artery (EA) bleeding can be a cause of rebleeding after successful ESPAL. EA bleeding is diagnosed by angiography and can also be identified during surgical exploration. However, since the angiographic embolization of the EA is contraindicated, surgical hemostasis is mandatory. This study investigated whether paranasal sinus (PNS) CT could provide information for predicting EA bleeding without angiography in patients with refractory epistaxis requiring ESPAL. Methods Forty-seven patients, who were surgically treated [with ESPAL or EA ligation (EAL)] for refractory epistaxis from March 2010 to June 2019, were retrospectively analyzed. A positive PNS CT finding for EA bleeding was defined as the presence of soft tissue densities having continuity with the EA pathway, accompanied by a partially deficient surrounding bony canal. These findings as well as soft tissue densities in each paranasal sinus were compared between the ESPAL and EAL groups. Results All patients in the EAL group had positive CT findings of EA bleeding, compared to only 12.2% in the ESPAL group (P < 0.001). The rate of soft tissue densities within the frontal and sphenoid sinuses were noted in 26.8% and 17.1% of patients in the ESPAL group, compared to 83.3% and 83.3% of patients in the EAL group (P = 0.013 andP = 0.003, respectively). Conclusion PNS CT might be useful for predicting EA bleeding in patients with refractory epistaxis requiring surgical hemostasis.
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