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In this prospective study of patients undergoing bronchial artery embolization for hemoptysis, preprocedural conventional CTA identified 86.3% of culprit systemic arteries confirmed by selective angiography, whereas intraprocedural angiography-CT identified 97.1%. The findings indicate a role of angiography-CT to help identify target vessels for embolization during such procedures.
Hong et al. (Wed,) studied this question.