Endovascular Repair of Descending Thoracic Aortic Aneurysms

Cooper, Michol A.; Shahid, Zain; Upchurch, Gilbert R.

doi:10.1016/j.yasu.2022.02.005

Cited by 2 publications

(2 citation statements)

References 59 publications

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“…Over the past decades, significant technological advancements in the endovascular surgery have revolutionized the options available to vascular surgeons, allowing them to offer modern therapeutic solutions for a variety of vascular conditions [ 1 ]. As a result, (thoracic) endovascular aortic repair ((T)EVAR) has emerged as the preferred primary method for treating most aortic disorders [ 2 , 3 ].…”

Section: Introductionmentioning

confidence: 99%

Accuracy and Sterilizability of In-House Printed Patient-Specific Aortic Model for Surgeon-Modified Stent Grafts—A Workflow Description for Emergency Aortic Endovascular Procedures

Wilkat,

Lommen,

Rana

et al. 2024

JCM

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Introduction: The use of 3D-printed aortic models for the creation of surgeon-modified endoprostheses represents a promising avenue in aortic surgery. By focusing on the potential impact of sterilization on model integrity and geometry, this report sheds light on the suitability of these models for creating customized endoprostheses. The study presented here aimed to investigate the safety and viability of 3D-printed aortic models in the context of sterilization processes and subsequent remodeling. Methods: The study involved the fabrication of 3D-printed aortic models using patient-specific imaging data and established additive manufacturing techniques. Five identical aortic models of the same patient were printed. Two models were subjected to sterilization and two to disinfection using commonly employed methods, and one model remained untreated. The models were checked by in-house quality control for deformation (heat map analyses) after the sterilization and disinfection processes. Three models (sterilized, disinfected, and untreated) were sent for ex-house (Lufthansa Technik, AG, Materials Technologies and Central Laboratory Services, Hamburg, Germany) evaluation and subsequent quantification of possible structural changes using advanced imaging and measurement technologies (macroscopic and SEM/EDX examinations). After sterilization and disinfection, each aortic model underwent sterility checks. Results: Based on macroscopic and SEM/EDX examinations, distinct evidence of material alterations attributed to a treatment process, such as a cleaning procedure, was not identified on the three implants. Comparative material analyses conducted via the EDX technique yield consistent results for all three implants. Disinfected and sterilized models tested negative for common pathogens. Conclusions: The evaluation of 3D-printed aortic models’ safety after sterilization as well as their suitability for surgeon-modified endoprostheses is a critical step toward their clinical integration. By comprehensively assessing changes in model integrity and geometry after sterilization, this research has contributed to the broader understanding of the use of 3D-printed models for tailor-made endovascular solutions. As medical technologies continue to evolve, research endeavors such as this one can serve as a foundation for harnessing the full potential of 3D printing to advance patient-centered care in aortic surgery.

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Section: Introductionmentioning

confidence: 99%

Accuracy and Sterilizability of In-House Printed Patient-Specific Aortic Model for Surgeon-Modified Stent Grafts—A Workflow Description for Emergency Aortic Endovascular Procedures

Wilkat,

Lommen,

Rana

et al. 2024

JCM

View full text Add to dashboard Cite

show abstract

“…An aneurysm of the descending thoracic aorta is commonly defined as a dilatation of the vessel diameter greater than 4 cm [1] . Especially in the aging population these aneurysms are a significant cause of morbidity and mortality [2] . In rare cases, aortic aneurysms have been reported to erode into the lumbar or thoracic spine [3] .…”

Section: Introductionmentioning

confidence: 99%