Key result
Thoracic endovascular aortic repair for blunt thoracic aortic injury led to immediate proximal and distal aortic neck dilation of 2.41 mm and 2.63 mm, and continuous dilation of 0.35 and 0.49 mm/year.
Why the study?
Existing studies reporting aortic morphological changes after TEVAR for blunt thoracic aortic injury were limited by small sample sizes and the condition's rarity.
Does thoracic endovascular aortic repair (TEVAR) lead to aortic morphological changes in patients with blunt thoracic aortic injury?
Meta-Analysis (n=353)
Does thoracic endovascular aortic repair (TEVAR) lead to aortic morphological changes in patients with blunt thoracic aortic injury?
TEVAR for blunt thoracic aortic injury leads to immediate and continuous aortic dilation, suggesting a need for long-term morphological surveillance.
Supports long-term aortic surveillance after TEVAR for blunt injury; meta-analysis confirms progressive neck dilation.
Background: Thoracic endovascular aortic repair (TEVAR) has become the standard treatment for blunt thoracic aortic injury (BTAI). Some small observational studies revealed aortic morphological changes after TEVAR in patients with BTAI. However, these studies were limited by the rarity of the condition and small sample sizes. To address this gap, the current study aims to conduct a systematic review and meta-analysis of existing literature to provide evidence on the degree of immediate and long-term aortic diameter change following TEVAR for BTAI. Methods: This systematic review and meta-analysis of studies published up to March 2023, was conducted in accordance with the PRISMA statement. Studies eligible for inclusion were studies evaluating aortic diameter change post-TEVAR in BTAI patients. Results: 14 articles, including 353 patients, were included after review. Treatment and measurement protocols varied among individual studies resulting in high heterogeneity of the results. Our meta-analysis demonstrated an immediate post-intervention dilation 2.41 mm and 2.63 mm of the proximal and distal aortic necks’, respectively, as well as continuous dilation of the respective regions at a rate of 0.35 mm/year and 0.49 mm/year. Conclusion: TEVAR in BTAI leads to immediate post-intervention and continuous aortic dilation and morphological changes with possible future important clinical consequences.
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Righini et al. (2023) conducted a meta-analysis in Blunt thoracic aortic injury (BTAI) (n=353). Thoracic endovascular aortic repair (TEVAR) was evaluated on Immediate and long-term aortic diameter change. Thoracic endovascular aortic repair for blunt thoracic aortic injury led to immediate proximal and distal aortic neck dilation of 2.41 mm and 2.63 mm, and continuous dilation of 0.35 and 0.49 mm/year.
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