The left-sided aortic arch variants: prevalence meta-analysis of imaging studies

Tsiouris, Christos; Lazaridis, Nikolaos; Piagkou, Maria; Duparc, Fabrice; Antonopoulos, Ioannis; Antonitsis, Polychronis; Natsis, Konstantinos

doi:10.1007/s00276-022-02945-4

Cited by 7 publications

(16 citation statements)

References 46 publications

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“…The BCCT variant: The BCCT has been observed with a prevalence ranging from 14.4% ( 2 ) to 36% ( 1 ) in the general population. The highest BCCT prevalence was identified in African and the lowest in Asian populations ( 1 , 2 ).…”

Section: Discussionmentioning

confidence: 99%

“…The typical aortic arch (AA) three-branch pattern, with a 77% prevalence ( 1 ) consists of the brachiocephalic trunk (BCT), alternatively called the innominate artery (1 st branch), that further divides into the right common carotid artery (RCCA) and the right subclavian artery (RSA). The 2 nd and 3 rd branches are the left common carotid artery (LCCA) and the left subclavian artery (LSA).…”

Section: Introductionmentioning

confidence: 99%

“…The 2 nd and 3 rd branches are the left common carotid artery (LCCA) and the left subclavian artery (LSA). AA variant branching patterns (23% prevalence) have been associated with dysphagia, vascular diseases, and aortic dissection ( 1 ). The increase in cardiovascular interventions requires a deep and detailed understanding of AA anatomy ( 2 ).…”

Section: Introductionmentioning

confidence: 99%

“…The increase in cardiovascular interventions requires a deep and detailed understanding of AA anatomy ( 2 ). The importance of the evolution of computed tomography (CT) scans in AA variant detection was highlighted in a recent meta-analysis ( 1 ). Among the atypical AA variants, the brachiocephalico-carotid trunk (BCCT), is the most common variant (36% prevalence) ( 1 ) and is composed of the fused vessels BCT and LCCA.…”

Section: Introductionmentioning

confidence: 99%

“…The importance of the evolution of computed tomography (CT) scans in AA variant detection was highlighted in a recent meta-analysis ( 1 ). Among the atypical AA variants, the brachiocephalico-carotid trunk (BCCT), is the most common variant (36% prevalence) ( 1 ) and is composed of the fused vessels BCT and LCCA. This arterial complex in humans was falsely characterized as “bovine AA”.…”

Section: Introductionmentioning

confidence: 99%

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The Brachiocephalic Trunk Variant Origin and High-Riding Course: Two Cadaveric Cases

Tsakotos

Demesticha

Karampelias

et al. 2023

ama

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Objective. The current report describes two rare cadaveric findings of a left sided brachiocephalic trunk (BCT) in relation to the trachea, and its high-riding course above the suprasternal notch (SN). Cases Descriptions. In two elderly body donors dissected after death, a left-sided BCT was identified with a high-riding course (0.5 and 0.8 cm above the SN). The BCT originated from the aortic arch, in common with the left common carotid artery, more distally than the typical left-side location and crossed in front of the trachea. In the 1st case, the ascending and descending aortae, and the left subclavian artery had aneurysmal dilatation. In both cases, the trachea was displaced to the right side and had a stenosis due to the chronic compression.Conclusion. A high-riding BCT is of paramount clinical importance, as it may complicate tracheotomy, thyroid surgery and mediastinoscopy, leading to fatal complications. BCT injury leads to a massive bleeding during neck dissection (level VI), when the vessel crosses the anterior tracheal wall.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

The Brachiocephalic Trunk Variant Origin and High-Riding Course: Two Cadaveric Cases

Tsakotos

Demesticha

Karampelias

et al. 2023

ama

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Investigation of the small-study effect in a recent meta-analysis of the left‐sided aortic arch variants

2022

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Endovascular repair of thoracic aortic disease with isolated left vertebral artery and unfavorable proximal landing zone using fenestrated castor stent-graft

Wang,

Fang,

Song

et al. 2023

Front. Cardiovasc. Med.

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ObjectiveThe main purpose of this study was to evaluate the safety and efficacy of Castor single-branched stent-graft combined with fenestrated technique in treatment of thoracic aortic disease (TAD) with unfavorable proximal landing area (PLZ) and isolated left vertebral artery (ILVA).MethodsFrom January 2018 to March 2022, 8 patients with TAD (6 patients with type B aortic dissections, 1 patient with type B intramural hematomas, and 1 patient with thoracic aortic aneurysm) underwent thoracic endovascular aortic repair with fenestrated Castor stent-graft due to the existence of ILVA and unfavorable PLZ. Demographic characteristics, surgical details, postoperative complications, follow-up and postoperative CTA imaging results were collected and analyzed.ResultsThe primary technical success rate was 100%. The mean operation time was 115 min (range, 70–180 min). All the left subclavian arteries (LSAs) and ILVAs of the eight patients were revascularized by fenestrated Castor stent-grafts. During the follow-up period, no deaths and complications were observed. No internal leakage, aortic rupture, retrograde type A dissection were found on computed tomography angiography. All of the LSAs and ILVAs maintained patency without stenosis.ConclusionCastor single-branched stent-graft implantation combined with fenestration technique may be safe and feasible for TAD patients with ILVA and unfavorable PLZ.

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The left-sided aortic arch variants: prevalence meta-analysis of imaging studies

Cited by 7 publications

References 46 publications

The Brachiocephalic Trunk Variant Origin and High-Riding Course: Two Cadaveric Cases

The Brachiocephalic Trunk Variant Origin and High-Riding Course: Two Cadaveric Cases

Investigation of the small-study effect in a recent meta-analysis of the left‐sided aortic arch variants

Endovascular repair of thoracic aortic disease with isolated left vertebral artery and unfavorable proximal landing zone using fenestrated castor stent-graft

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