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REVIEW  ENDOVASCULAR TREATMENT OF LONG FEMOROPOPLITEAL DISEASE 

The Journal of Cardiovascular Surgery 2022 October;63(5):543-61

DOI: 10.23736/S0021-9509.22.12341-4

Copyright © 2022 EDIZIONI MINERVA MEDICA

language: English

What should we expect from intravascular ultrasound use for complex femoropopliteal lesions?

Tatsuya NAKAMA 1, 2, Osamu IIDA 3 , Kazunori HORIE 4, Naoki HAYAKAWA 5, Toshiaki MANO 3

1 Department of Cardiology, Tokyo Bay Medical Center, Urayasu, Japan; 2 Division of Vascular Surgery, Department of Surgery, Jikei University School of Medicine, Tokyo, Japan; 3 Cardiovascular Center, Kansai Rosai Hospital, Amagasaki, Japan; 4 Department of Cardiovascular Medicine, Sendai Kousei Hospital, Sendai, Japan; 5 Department of Cardiovascular Medicine, Asahi General Hospital, Asahi, Japan



In this review article, we summarize the clinical benefit of intravascular ultrasounds (IVUS) in the endovascular therapy (EVT) of complex femoropopliteal (FP) lesions. Due to the development of novel FP-dedicated devices, outcomes of FP-EVT have been improved. As a result, revascularization methods for the FP lesions have shifted to EVT. However, the long-term durability in complex FP lesions has not yet reached that of bypass surgery using autogenous vein. Strategies for EVT of complex FP lesions are still inconsistent and have room for improvement. Long-term results generally depend on the patient and lesion backgrounds but are also affected by the quality of the procedure. Previous reports have shown IVUS evaluation can better assess vessel size compared to conventional angiographic evaluation. In contrast to angio-guided EVT, which evaluates vessel size by inner diameter, IVUS can be evaluated it with an external elastic membrane, which leads to the selection of a more appropriate (basically, larger) size device. Conversely, angiographic evaluation underestimates the vessel size, suggesting that it may lead to insufficient result. Furthermore, IVUS can also assess the adequate guidewire route, presence of severe dissection etc. As the evidence so far shows, the use of IVUS may improve the quality of EVT procedure, resulting in improved long-term outcomes. In conclusion, despite the widespread use of IVUS in FP-EVT practice, it still conditionally applied. The purpose of IVUS in the EVT of complex FP lesions should be clarified. More evidence regarding the IVUS in complex FP lesions is needed.


KEY WORDS: Peripheral arterial disease; Ultrasonography, interventional; Drug-eluting stents

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