Aberrant Right Subclavian Artery with a Bicarotid Trunk: The Importance of Diagnosing This Rare Incidental Anomaly

Hanžič, Nina; Čizmarević, Urban; Lesjak, Vesna; Caf, Primož

doi:10.7759/cureus.6094

Cited by 3 publications

(6 citation statements)

References 9 publications

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“…Along its course, an ARSA may cross the aortic arch transversely, posterior to the esophagus and the trachea in the direction of the right arm (in 80% of cases), anterior to the trachea (in 5% of cases), or even between the esophagus and the trachea (in 15% of cases), following a more linear path than the normal right subclavian artery. 16 , 17 , 18 , 19 …”

Section: Discussionmentioning

confidence: 99%

“…Em seu percurso, a ASDA pode cruzar transversalmente o arco aórtico, posteriormente ao esôfago e à traqueia em direção ao braço direito (em 80% dos casos), anteriormente à traqueia (em 5% dos casos) ou mesmo entre o esôfago e a traqueia (em 15% dos casos), em um trajeto mais linear do que a artéria subclávia direita normal 16 , 17 , 18 , 19 .…”

Section: Discussionunclassified

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Aberrant right subclavian artery: case report and literature review

et al. 2023

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The aberrant right subclavian artery, also known as the arteria lusoria, is the most common aortic arch anomaly, occurring in 0.5 to 1% of the population. There is a higher prevalence in women and it is usually associated with other anatomical variations, such as the non-recurrent laryngeal nerve, present in 86.7% of cases. In the majority of cases, the aberrant right subclavian artery causes no symptoms. We describe this anomaly in an 82-year-old, hypertensive, and asymptomatic patient who had undergone a thoracoabdominal angiography to investigate a chronic DeBakey type III aortic dissection with dilation of the descending aorta. The aberrant right subclavian artery followed a retroesophageal course and was associated with a Kommerell diverticulum. In view of its rarity, we conducted an integrative bibliographic review of literature from the last 6 years indexed on the Medline, UpToDate, Lilacs, Scielo, and Portal Capes databases and discuss the most frequent anatomical changes, symptomatology, and therapeutic management adopted.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionunclassified

Aberrant right subclavian artery: case report and literature review

et al. 2023

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“…The coexistence of both ARSA and the bicarotid has an estimated prevalence of <0.05%. 3 Lastly, the left vertebral artery arises from the aortic arch, which is estimated to occur in around 4% of all individuals. Nevertheless, the combination of all three has not been well documented.…”

Section: Discussionmentioning

confidence: 99%

“…The coexistence of both ARSA and the bicarotid trunk has an estimated prevalence of <0.05%. 3 A majority of individuals with an aberrant right subclavian artery are asymptomatic, 4 and it is estimated that 60-80% of individuals with this anomaly will never develop any symptoms. 4 For those who do develop symptoms, it is more common for them to have dysphagia, caused by mechanical compression of the esophagus by the aberrant artery.…”

Section: Introductionmentioning

confidence: 99%

Aberrant Right Subclavian Artery: Cadaver Case Report

Kopp

Irshaid²,

Baker³

et al. 2023

Int J Med Stud

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While examining the anatomy of a cadaver in a medical school gross anatomy course, an aortic arch anomaly was discovered. This variant is consistent with an aberrant right subclavian artery (ARSA). In this variant the right subclavian artery branches from the most distal part of the aortic arch and runs both retrotracheal and retroesophageal as it courses to the right shoulder. This variant is a result of aberrant development of the aortic arch and may include presenting symptoms such as dysphagia and shortness of breath, if any at all. Additional to the ARSA exists a common bicarotid trunk and a direct branching of the left vertebral artery from the aortic arch, both of which are rare anomalies. The cadaver’s medical history includes dysphagia and stretched esophagus, although the severity is unknown. This case report draws attention to these rare anatomical anomalies and includes a discussion of the most common clinical presentation, and surgical implications of an aberrant right subclavian artery anomaly.

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“…The presence of bicarotid trunk (BCT) is more frequently described with left aortic arch and associated aberrant right SCA. 1 2 3 A very recent report highlights its association with RAA and aberrant left SCA. 4 We, hereby, present a complex and unfamiliar arch anomaly in a 12-month-old infant with tetralogy of Fallot (TOF), where RAA was seen associated with presence of BCT and isolated left SCA.…”

Section: Introductionmentioning

confidence: 97%

Right Aortic Arch with Bicarotid Trunk and Isolated Left Subclavian Artery: Hitherto Unreported Pattern

Sharma

Garg

Naganur

et al. 2023

Indian J Radiol Imaging

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Variant arch anatomy may be seen associated with many congenital heart diseases. Its accurate preoperative identification is of paramount importance in optimal surgical planning of such cases. This case describes one such variant arch anatomy with two vessel right aortic arch, comprising of bicarotid trunk (giving rise to bilateral common carotid arteries) and right subclavian artery with isolation of the left subclavian artery, in a patient with tetralogy of Fallot. Right aortic arch with isolated left subclavian artery has already been described in association with tetralogy of Fallot. However, to the best of our knowledge, present arch pattern consisting of right aortic arch with bicarotid trunk and isolated left subclavian artery has not been reported in literature so far. Moreover, this case highlights the utility of multidetector computed tomography in accurate identification of variant arch anatomy in addition to delineation of cardiac and extracardiac details.

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Aberrant Right Subclavian Artery with a Bicarotid Trunk: The Importance of Diagnosing This Rare Incidental Anomaly

Cited by 3 publications

References 9 publications

Aberrant right subclavian artery: case report and literature review

Aberrant right subclavian artery: case report and literature review

Aberrant Right Subclavian Artery: Cadaver Case Report

Right Aortic Arch with Bicarotid Trunk and Isolated Left Subclavian Artery: Hitherto Unreported Pattern

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