Abstract
We retrospectively analyzed the clinical data of 21 patients (22 procedures) with histologically proven nasopharyngeal angiofibromas. Eleven patients underwent preoperative intra-arterial digital subtraction angiography (IADSA) and embolization with Gelfoam. Embolization reduced the intraoperative blood loss from an average of 1136 ml in the non-embolized patients to 677 ml in the embolized cases (P < 0.05) and transfusions from an average of 836 ml to 400 ml (P < 0.01). Results again show that preoperative embolization is effective in reducing intraoperative blood loss.
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Received: 10 May 1997 / Accepted: 21 October 1997
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Li, J., Qian, J., Shan, X. et al. Evaluation of the effectiveness of preoperative embolization in surgery for nasopharyngeal angiofibroma. European Archives of Oto-Rhino-Laryngology 255, 430–432 (1998). https://doi.org/10.1007/s004050050092
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DOI: https://doi.org/10.1007/s004050050092