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Posterior epistnxis from branches of the sphenopalatine artery can be rapidly and effectively controlled by a new ligation technique. The sphenopalatine artery or its branches arc directly ligated as they exit the sphenopalatine foramen to enter the nose, completely avoiding the pterygomaxillary fossa. The vessels are exposed via a transantral approach, through the posterior portion of the medial antral wall. The mucoperiosteum of the lateral wall of the nose (medial antral wall) is preserved, elevated medially and posteriorly and used to tense the sphenopalatine vessels, bringing them into view and accessible for ligation at the foramen. Advantages of this technique include direct, specific ligation of the end vessels; ease and speed of operation; and avoidance of complications associated with the pterygomaxillary space. The technique was defined in multiple dissections of anatomic specimens and has been successful to date in 14 cases of severe posterior epistaxis.

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