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Intravascular ultrasound-derived virtual fractional flow reserve in the superficial femoral artery.
CVIR Endovasc
December 2024
Department of Cardiovascular Medicine, Osaka Metropolitan University Graduate School of Medicine, 1-4-3 Asahimachi Abenoku, Osaka, 545-8585, Japan.
Background: Fractional flow reserve (FFR) can be estimated by analysis of intravascular imaging in a coronary artery; however, there are no data for estimated FFR in an extremity artery. The aim of this concept-generating study was to determine whether it is possible to estimate the value of peripheral FFR (PFFR) by intravascular ultrasound (IVUS) analysis also in femoropopliteal artery lesions.
Methods: Between April 2022 and February 2023, PFFR was measured before endovascular therapy in 31 stenotic femoropopliteal artery lesions.
Modeling Fibrous Tissue in Vascular Fluid-Structure Interaction: A Morphology-Based Pipeline and Biomechanical Significance.
Int J Numer Method Biomed Eng
January 2025
Department of Mechanics and Aerospace Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, China.
Modeling fibrous tissue for vascular fluid-structure interaction analysis poses significant challenges due to the lack of effective tools for preparing simulation data from medical images. This limitation hinders the physiologically realistic modeling of vasculature and its use in clinical settings. Leveraging an established lumen modeling strategy, we propose a comprehensive pipeline for generating thick-walled artery models.
View Article and Find Full Text PDFLong-Term Outcomes of True versus Non-True Coronary Bifurcation Lesions Treated with Bioresorbable Polymer Sirolimus-Eluting Ultimaster Stent under Intravascular Imaging Guidance.
Am J Cardiol
December 2024
Department of Cardiovascular Medicine, Sapporo Cardiovascular Clinic, Sapporo Heart Center, Sapporo, Japan.
Limited evidence exists regarding the long-term outcomes of true vs. non-true coronary bifurcation lesions (CBLs) treated with current-generation drug-eluting stents and intravascular imaging guidance. The SCVC (Sapporo Cardiovascular Clinic) registry was a prospective, single-center, all-comers registry enrolling 1,727 consecutive patients treated with bioresorbable polymer sirolimus-eluting stent (BP-SES) under complete imaging guidance.
View Article and Find Full Text PDFHostile neck index is a novel and strong predictor of type I endoleak development after endovascular aortic repair for abdominal aortic aneurysm.
Ann Vasc Surg
December 2024
Department of Cardiovascular Surgery, Bursa City Hospital, Bursa, Turkey. Electronic address:
Background: This study aimed to investigate the predictive value in the development of type I endoleak in patients undergoing elective endovascular aortic aneurysm repair (EVAR) for abdominal aortic aneurysm (AAA).
Methods: Clinical and radiological imaging data of 105 patients who underwent EVAR procedure due to AAA between August 2019 and May 2024 were evaluated. The patients were divided into two groups according to whether or not periprocedural type I endoleak developed; as the non-endoleak group (n=82) and endoleak group (n=23).
Low rates of aortic surveillance imaging and clinical follow-up in patients with acute aortic dissection.
J Vasc Surg
December 2024
Division of Vascular and Endovascular Surgery, Department of Surgery, University of California San Francisco, San Francisco, CA.
Objectives: Patients that survive acute aortic dissection (AD) remain at high risk of morbidity/mortality from structural changes of the aorta. Aortic surveillance is challenging, especially within a tertiary referral center. Our aim was to identify follow-up imaging and appointment rates, and factors associated with incomplete surveillance in patients with acute AD.
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