1、Role of IVUS in Evaluation and Assessment of Lesion Morphology:Does It Dictate Type of Vessel Prep and Destination Therapy?Tatsuya NakamaTokyo Bay Medical Center,Urayasu,JapanEight-years has passed;from the first study to RCT Iida et al.Published in 2014Published in 2022In Japan,IVUS become a Gamech
2、anger of FP interventionThrough the over 10-years history of IVUSZephyr study:The first report for relationship between IVUS and outcomes(restenosis)Iida O,et al.JACC Cardiovasc Interv.2015;8:1105-12.0%10%20%30%40%50%MALERestenosis1-year incidence rateOne-year incidence of restenosis was estimated t
3、o be 37%,while 1-year MALE was observed in 22%,indicating that MALE accounted for 58%in lesions with restenosis.n=690Age73.68.8Diabetes mellitus69%Hemodialysis30%CLI32%CTO45%Restenosis24%ISR15%Lesion length(cm)1710Calcification65%One-year results of ZEPHYR study(1)Iida O,et al.JACC Cardiovasc Interv
4、.2015;8:1105-12.0%10%20%30%40%50%MALERestenosis1-year incidence rateOne-year incidence of restenosis was estimated to be 37%,while 1-year MALE was observed in 22%,indicating that MALE accounted for 58%in lesions with restenosis.n=690Age73.68.8Diabetes mellitus69%Hemodialysis30%CLI32%CTO45%Restenosis
5、24%ISR15%Lesion length(cm)1710Calcification65%One-year results of ZEPHYR study(1)MSA12mm2Typical case of“insufficient stent expansion”IVUS in FP lesionsDestination therapyOne-year result of the BEASTARS registryComparable results were shown in DES and DCB,if no severe dissection was observed Nakama
6、T et al.JEVT 2024 Nakama T et al.JACC Cardiovasc Intev.2025Horie K,et al.J Endovasc Ther.2022;29:66-75.Iida O,et al.JACC Cardiovasc Interv.2015;8:1105-12.0%10%20%30%40%50%MALERestenosis1-year incidence rateOne-year incidence of restenosis was estimated to be 37%,while 1-year MALE was observed in 22%