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Early Prediction of Abdominal Aortic Aneurysm Rupture Risk Using Numerical Biomechanical Analysis.
Diagnostics (Basel)
December 2024
Department of Vascular Surgery, Medical University of Innsbruck, 6020 Innsbruck, Austria.
: We aimed to predict patient-specific rupture risks and growth behaviors in abdominal aortic aneurysm (AAA) patients using biomechanical evaluation with finite element analysis to establish an additional AAA repair threshold besides diameter and sex. : A total of 1219 patients treated between 2005 and 2024 (conservative and repaired AAAs) were screened for a pseudo-prospective single-center study. A total of 15 ruptured (rAAA) vs.
View Article and Find Full Text PDFBackground And Aims: An arterial aneurysm is characterized by a localized expansion of a blood vessel relative to its original dimensions. Specifically, an abdominal aortic aneurysm (AAA) is identified as an aortic diameter measuring at least one and a half times the standard diameter at the renal artery level, approximately equivalent to 2.0 cm.
View Article and Find Full Text PDFInfluence of false lumen status on systemic inflammatory response triggered by acute aortic dissection.
Sci Rep
January 2025
Department of Cardiovascular Surgery, Nihon University Hospital, Itabashi-ku, Tokyo, Japan.
We investigated the influence of false lumen (FL) status on the systemic inflammatory response triggered by acute aortic dissection (AAD) using cytokine profiling. The study included 44 patients with AAD. Patients were divided between those with a thrombosed FL (Group T, n = 21) and those with a non-thrombosed FL (Group P, n = 23).
View Article and Find Full Text PDFFoundational Image Analyses for Ultrasonographic Screening of Abdominal Aortic Aneurysm.
Ann Vasc Dis
December 2024
Department of Anesthesiology, Kochi Medical School, Nankoku, Kochi, Japan.
With improved surgical outcomes for non-ruptured abdominal aortic aneurysm (AAA), the primary objective has shifted toward the detection of asymptomatic AAA. Since ultrasonographic visualization from the anterior abdominal wall is often obstructed by intestinal gas, utilizing additional bilateral posterior approaches via the retroperitoneal tissue may be beneficial. This study investigates the feasibility of assessment using three approaches through computed tomography (CT) data analyses.
View Article and Find Full Text PDFTreatment of ruptured intracranial aneurysms with parent artery flow diverter devices: A comprehensive systematic review and meta-analysis.
Int J Stroke
December 2024
Department of Neurosurgery, University of São Paulo, São Paulo, Brazil.
Background: Surgical clipping and endovascular coiling are well-established treatments for acutely ruptured intracranial aneurysms leading to acute subarachnoid hemorrhage (aSAH). However, these modalities have limitations, particularly in cases involving wide-necked, bifurcating, or dissecting aneurysms. Flow diverter (FD) devices, initially used for unruptured aneurysms, have emerged as an alternative treatment for ruptured aneurysms despite concerns about hemorrhagic complications.
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