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Cardiovasc Eng Technol 2021 Mar 5. Epub 2021 Mar 5.

Department of Mechanical Engineering, University of Canterbury, Private Bag 4800, Christchurch, 8041, New Zealand.

Purpose: The Frozen Elephant Trunk (FET) stent is a hybrid endovascular device that may be implemented in the event of an aneurysm or aortic dissection of the aortic arch or superior descending aorta. A Type 1B endoleak can lead to intrasaccular flow during systole and has been identified as a known failure of the FET stent graft. The purpose was to develop in-vitro modelling techniques to enable the investigation of the known failure. Read More

Interact Cardiovasc Thorac Surg 2021 Mar 1. Epub 2021 Mar 1.

Department of Cardiovascular Surgery, German Aortic Centre Hamburg, University Heart & Vascular Centre Hamburg, Hamburg, Germany.

Objectives: The goal of this study was to determine the outcome of patients undergoing an elective frozen elephant trunk (FET) procedure as a redo operation following previous cardiac surgery.

Methods: One hundred and eighteen consecutive patients underwent FET procedures between October 2010 and October 2019 at our centre. Patients were registered in a dedicated database and analysed retrospectively. Read More

J Card Surg 2021 Mar 4. Epub 2021 Mar 4.

Heart Valve Disease Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran.

Background And Aim Of The Study: The frozen elephant trunk (FET) procedure became a popular entity for utilization in aortic arch aneurysm disease. However, its proper mortality and morbidities as well as the predictors of outcomes are poorly identified. This systematic review and meta-analysis explore FET outcomes and its predictors with a focus on zone aortic proximalization. Read More

Front Neurol 2021 15;12:625909. Epub 2021 Feb 15.

Department of Neurosurgery, The First Hospital of Jilin University, Changchun, China.

Although aneurysms rarely occur in the basilar artery (BA) trunk, the majority of those that do are dissection aneurysms. Currently, the mainstream therapy for BA trunk aneurysms is endovascular therapy (EVT), which mainly includes single coiling or conventional low-metal-coverage stent-assisted EVT, but the efficacy remains to be evaluated. A retrospective study was performed for the patients who were admitted to our institution for BA trunk aneurysms and underwent EVT. Read More

Invest Radiol 2021 Mar 1. Epub 2021 Mar 1.

From the Departments of Radiology and Nuclear Medicine Cardiology, Maastricht University Medical Center+ Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht Department of Radiology, Leiden University Medical Center Department of Cardiology, Leiden University Medical Center, Leiden Department of Chemical Engineering, Transport Phenomena Section, Faculty of Applied Sciences, Delft University of Technology, Delft, the Netherlands.

Objectives: Degenerative thoracic aortic aneurysm (TAA) patients are known to be at risk of life-threatening acute aortic events. Guidelines recommend preemptive surgery at diameters of greater than 55 mm, although many patients with small aneurysms show only mild growth rates and more than half of complications occur in aneurysms below this threshold. Thus, assessment of hemodynamics using 4-dimensional flow magnetic resonance has been of interest to obtain more insights in aneurysm development. Read More