简介:ObjectivesTodeterminethesafetyandvalueofesophagealradiographyasameansoflocatingtransseptalpuncture.Methods486patientswhounderwenttransseptalpuncturewererandomizedintotwogroups.Anesophagusradiographicmethodoflocatingtansseptalpuncturesitewasappliedinthestudygroup(n=243)andmodified-Rosslocatingmethodwasusedinthecontrolgroup(n=243).Aftersuccessfullocation,transseptalpuncturewasmade.Weobservedthesuccessrateandincidencecomplicationsinthe2groups.ResultsLeftatriumimpressioninthestudygroupwasclearlyseen.Nonethelessin120casesofcontrolgroup,theleftatriasilhouettewasnotclearlyvisualised.Thesuccessrateoflocatingtransseptalpuncturesiteinthestudygroupandcontrolgroupwere100%and50.6%respectively(P<0.001).Thesuccessrateoftransseptalpunctureinthestudygroupandcontrolgroupwas99.6%and45.7%respectively(P<0.001).Therewerenocomplicationsassociatedwithpunctureinthestudygroupandpericardialtamponadeoccurredin1controlpatient.ConclusionsTheesophagusradiographicmethodoflocatingtransseptalpuncturesiteisaccurate,safeandsimpletoperform.Transseptalpuncturehasahighsuccessratewithfewcomplications.