A Methodology for Non-Invasive 3-D Surveillance of Arteriovenous Fistulae Using Freehand Ultrasound

Colley, Eamonn; Carroll, J.E.; Thomas, Shannon D.; Varcoe, Ramon L.; Simmons, Anne; Barber, Tracie

doi:10.1109/tbme.2017.2782781

Cited by 15 publications

(7 citation statements)

References 22 publications

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“…Access via an arteriovenous fistula requires either open surgery or an endovascular approach. While there is no literature for pre-procedure patient-specific 3D printed anatomic models, one study used 3D printing for arteriovenous fistula surveillance post-operatively [ 82 ].…”

Section: Discussionmentioning

confidence: 99%

Clinical situations for which 3D Printing is considered an appropriate representation or extension of data contained in a medical imaging examination: vascular conditions

Lee,

Chadalavada,

Ghodadra

et al. 2023

3D Print Med

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Background Medical three-dimensional (3D) printing has demonstrated utility and value in anatomic models for vascular conditions. A writing group composed of the Radiological Society of North America (RSNA) Special Interest Group on 3D Printing (3DPSIG) provides appropriateness recommendations for vascular 3D printing indications. Methods A structured literature search was conducted to identify all relevant articles using 3D printing technology associated with vascular indications. Each study was vetted by the authors and strength of evidence was assessed according to published appropriateness ratings. Results Evidence-based recommendations for when 3D printing is appropriate are provided for the following areas: aneurysm, dissection, extremity vascular disease, other arterial diseases, acute venous thromboembolic disease, venous disorders, lymphedema, congenital vascular malformations, vascular trauma, vascular tumors, visceral vasculature for surgical planning, dialysis access, vascular research/development and modeling, and other vasculopathy. Recommendations are provided in accordance with strength of evidence of publications corresponding to each vascular condition combined with expert opinion from members of the 3DPSIG. Conclusion This consensus appropriateness ratings document, created by the members of the 3DPSIG, provides an updated reference for clinical standards of 3D printing for the care of patients with vascular conditions.

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Section: Discussionmentioning

confidence: 99%

Clinical situations for which 3D Printing is considered an appropriate representation or extension of data contained in a medical imaging examination: vascular conditions

Lee,

Chadalavada,

Ghodadra

et al. 2023

3D Print Med

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“…A scanning and processing procedure was developed by our team specifically for geometric tracking and CFD modelling of AVFs, using a freehand ultrasound set-up combining B-mode scanning with 3D probe motion tracking as previously described (Carroll et al 2020;Colley et al 2018). A 3D tracking camera is mounted on the ultrasound, in line of sight with the patient as the scanner moves the tracked probe over the scan target location, sweeping along the vasculature to create a high-density stack of B-mode frames containing the lumen geometry.…”

Section: Scanning Systemmentioning

confidence: 99%

“…Pre-operatively, the cephalic vein had an average diameter size of 1 mm and more than 2 mm when a proximal venous tourniquet was applied. The 3D freehand ultrasound system (Colley et al 2018) was used to obtain the lumen geometry as shown in Fig. 2.…”

Section: Patient Informationmentioning

confidence: 99%

“…A limitation of previous longitudinal studies is obtaining (1) WSS = 𝜇 ⋅ ̇𝛾 patient-specific data across a number of time points. Using our previously described system (Colley et al 2018), we here outline a study in which one patient was scanned weekly, for 15 weeks. The relationship between WSS and outward remodelling was investigated, in addition to the WSS metrics, and due to the fifteen-weekly scans, we were able to further explore the vascular remodelling stability for this patient.…”

Section: Introductionmentioning

confidence: 99%

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A longitudinal study of the arterio-venous fistula maturation of a single patient over 15 weeks

Colley

Carroll

Simmons

et al. 2022

Biomech Model Mechanobiol

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Arterio-venous fistula creation is the preferred vascular access for haemodialysis, but has a large failure rate in the maturation period. Previous research, considering the remodelling mechanisms for failure-to-mature patients, has been limited by obtaining the patient-specific boundary conditions at only a few points in the patient history. Here, a non-invasive imaging system was used to reconstruct the three-dimensional vasculature, and computational fluid dynamics was used to analyse the haemodynamics for one patient over 15 weeks. The analysis suggested evidence of a control mechanism, which adjusts the lumen diameter to keep the wall shear stress near constant in the proximal regions of the vein and artery. Additionally, the vein and artery were shown to remodel at different growth rates, and the blood flow rate also saw the largest increase within the first week. Wall shear stress at time of creation may be a useful indicator for successful AVF maturation.

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“…Patient-specific AVF geometries are obtained using an unique and portable freehand ultrasound scanning system [8,14,5]. This geometry is imported into the ANSYS-ICEMv18.1 meshing tool and a polyhedral grid is constructed with twelve prism layers from the surface.…”

Section: Geometry and Meshmentioning

confidence: 99%

Hydraulic resistance and inertance of multi-port vessels

Mallinson¹,

McBain²,

Ng³

et al. 2020

Australasian Fluid Mechanics Conference (AFMC)

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Analysis of the dynamics of complex fluid systems is facilitated by subdivision of the systems into simpler elements. In many instances, such elements can be represented by pipe units, but for parts where multiple conduits are joined proximately, when there can be large area differences or when a geometric subdivision is difficult to create, we must generalize the approach to consider an elemental representation as a matrix of values for the flow resistance and inertance. Here we discuss the theory behind such an approach and give examples of the use of the theory: Asai's inkjet and an arteriovenous fistula.

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A Methodology for Non-Invasive 3-D Surveillance of Arteriovenous Fistulae Using Freehand Ultrasound

Cited by 15 publications

References 22 publications

Clinical situations for which 3D Printing is considered an appropriate representation or extension of data contained in a medical imaging examination: vascular conditions

Clinical situations for which 3D Printing is considered an appropriate representation or extension of data contained in a medical imaging examination: vascular conditions

A longitudinal study of the arterio-venous fistula maturation of a single patient over 15 weeks

Hydraulic resistance and inertance of multi-port vessels

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