Abstract
The transfemoral arterial approach is used to gain access for angiography, percutaneous coronary interventions, or various endovascular therapies. To decrease the risk of procedure-related vascular complications, it is recommended to puncture the common femoral artery in its middle segment. However, due to inadequate access or anatomical variability, various complications, including hematoma, pseudoaneurysm, arteriovenous fistula, thrombosis, or dissection, can occur after transfemoral arterial interventions. Duplex ultrasound has proven to be an excellent noninvasive modality that provides not only anatomic but also hemodynamic information, effectively detecting and differentiating various femoral puncture-related complications. Radiologists should be familiar with the characteristic sonographic findings of the entire spectrum of transfemoral puncture-related vascular complications for early detection and proper treatment.
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