Objective TodiscussthevalueofthefusiontechnologyofbronchialarteryCTA with3Dreconstructionoftracheain interventionaltreatmentsforhemoptysis.Methods AretrospectiveanalysiswasconductedinthefusionimagesofthebronchialarteryCTA with 3DreconstructionoftracheaandDSAin58patientswithhemoptysis,therelatedparametersofthebronchialartery(BA)wereobserved (the typeofBA,thebronchialopening,thebronchialoriginandthepositionrelationshipbetweenthebronchus),andthestatisticalanalysiswas performed.Results Inthe58hemoptysispatients,CTArevealed156BAs,including73leftBAs,76rightBAsand7heterotopic BAs.Therewere67BAsresponsibleforhemoptysis,ofwhich64BAswerefromnormaloriginand3BAswerefromheterotopicorigin.Four typesofBAswerefoundandthemostwereR1L1,accountingfor44.8%.BAsaboveandbelowthetrachealcarinaaccountedfor61.5% and 38.5%,respectively.Themeandiameterwas(3.56±1.21)mmforBAsresponsibleforhemoptysisand (1.67±0.32)mmforBAs irresponsibleforhemoptysis.Conclusion ThefusiontechniqueofbronchialarteryCTAandtracheal3Dreconstructionoftracheacan welldetecttheoriginofthesuspectedhemoptysisresponsibilityBA,theposition,andtherelationshipbetweentheshapeandthebifurcation ofthebronchusI.tcanbeusedasthefirstchoiceofroutineexaminationforhemoptysisinterventionaltherapy.
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