Abstract:Key Clinical Message
The Heli‐FX technique for type IA EL under 3D‐IF proved to be accurate in terms of EL channel vision and correct endoanchors deployment. The EL volume rendering constant view allowed a precise anchors fixation at the EL channel. 3D‐IF confirmed to be a valid help in orientation and navigation during endovascular aortic procedure.
“…As described, this technique uses the previously implanted devices as landmarks for the FI overlay. In the literature, only one case of type IA endoleak treatment with endo-anchors deployment under redo fusion guidance is reported [31] The present study established how, in real-time fusion imaging, the distance between the target vessel in 3D volume rendering and 2D fluoroscopy is effectively reduced by using endovascular markers to overlay the images. This is due to the proximity of the previously implanted marker (stent-graft, plugs, etc.)…”
Purpose: The present study aims to describe a new 2D–3D fusion registration method in the case of endovascular redo aortic repair and compare the accuracy of the registration using the previously implanted devices vs. bones as landmarks. Materials and Methods: This single-center study prospectively analyzed all the patients that underwent elective endovascular re-interventions using the Redo Fusion technique between January 2016 and December 2021 at the Vascular Surgery Unit of the Fondazione Policlinico Universitario A. Gemelli (FPUG)—IRCCS in Rome, Italy. The fusion overlay was performed twice, first using bone landmarks (bone fusion) and the second using radiopaque markers of a previous endovascular device (redo fusion). The pre-operative 3D model was fused with live fluoroscopy to create a roadmap. Longitudinal distances between the inferior margin of the target vessel in live fluoroscopy and the inferior margin of the target vessel in bone fusion and redo fusion were measured. Results: This single-center study prospectively analyzed 20 patients. There were 15 men and five women, with a median age of 69.7 (IQR 42) years. The median distance between the inferior margin of the target vessel ostium in digital subtraction angiography and the inferior margin of the target vessel ostium in bone fusion and redo fusion was 5.35 mm and 1.35 mm, respectively (p ≤ 0.0001). Conclusions: The redo fusion technique is accurate and allows the optimization of X-ray working views, supporting the endovascular navigation and vessel catheterization in case of endovascular redo aortic repair.
“…As described, this technique uses the previously implanted devices as landmarks for the FI overlay. In the literature, only one case of type IA endoleak treatment with endo-anchors deployment under redo fusion guidance is reported [31] The present study established how, in real-time fusion imaging, the distance between the target vessel in 3D volume rendering and 2D fluoroscopy is effectively reduced by using endovascular markers to overlay the images. This is due to the proximity of the previously implanted marker (stent-graft, plugs, etc.)…”
Purpose: The present study aims to describe a new 2D–3D fusion registration method in the case of endovascular redo aortic repair and compare the accuracy of the registration using the previously implanted devices vs. bones as landmarks. Materials and Methods: This single-center study prospectively analyzed all the patients that underwent elective endovascular re-interventions using the Redo Fusion technique between January 2016 and December 2021 at the Vascular Surgery Unit of the Fondazione Policlinico Universitario A. Gemelli (FPUG)—IRCCS in Rome, Italy. The fusion overlay was performed twice, first using bone landmarks (bone fusion) and the second using radiopaque markers of a previous endovascular device (redo fusion). The pre-operative 3D model was fused with live fluoroscopy to create a roadmap. Longitudinal distances between the inferior margin of the target vessel in live fluoroscopy and the inferior margin of the target vessel in bone fusion and redo fusion were measured. Results: This single-center study prospectively analyzed 20 patients. There were 15 men and five women, with a median age of 69.7 (IQR 42) years. The median distance between the inferior margin of the target vessel ostium in digital subtraction angiography and the inferior margin of the target vessel ostium in bone fusion and redo fusion was 5.35 mm and 1.35 mm, respectively (p ≤ 0.0001). Conclusions: The redo fusion technique is accurate and allows the optimization of X-ray working views, supporting the endovascular navigation and vessel catheterization in case of endovascular redo aortic repair.
“…The procedure was carried out under three-dimensional fusion imaging in our hybrid room ( Fig 4 ), with lower costs in terms of X ray and contrast medium exposure. 14 The postoperative computed tomography (CT) scan showed the complete exclusion of the pseudoaneurysm dilatation ( Fig 5 ). Fig 4 Relining thoracic endovascular aortic repair (TEVAR) under three-dimensional fusion imaging.…”
Section: Casementioning
confidence: 97%
“…The second case that we report is a young man who underwent TEVAR for grade III BTAI after A proximal relining TEVAR in PLZ 3 (13) with Conformable Gore TAG Thoracic Endoprosthesis (WL Gore and Associates, AZ, USA), using a bilateral femoral percutaneous approach, was performed. The procedure was carried out under 3D Fusion imaging in our hybrid room (Figure 4), with lower costs in terms of x-ray and contrast medium exposure (14). The post-operative CT scan showed the complete exclusion of the pseudoaneurysm dilatation ( Figure 5).…”
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