Evaluation of the effectiveness of preoperative embolization in surgery for nasopharyngeal angiofibroma |
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Authors: | J. R. Li J. Qian X. Z. Shan L. Wang |
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Affiliation: | (1) Department of Otorhinolaryngology, Navy General Hospital, PLA, Beijing, 100037, P. R. China, CN |
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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. Received: 10 May 1997 / Accepted: 21 October 1997 |
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Keywords: | Nasopharynx Angiofibroma Embolization Intra-arterial digital subtraction angiography |
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