Multidetector computed tomography evaluation of aortic arch and branching variants

Çeçe, Hasan; Koçarslan, Aydemir

doi:10.5606/tgkdc.dergisi.2015.10290

Cited by 7 publications

(17 citation statements)

References 16 publications

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“…Natsis type III was observed in 2.2% of my study population which compares well to the prevalence reported in literature of between 2.4-8.0%. 1,2,4,6,11 However, the frequency is higher than that reported by Ogeng' o et al 3 in the earlier local cadaver dissection study (0.9%) from a similar population. The reasons for this difference remains unclear.…”

Section: Discussionmentioning

confidence: 68%

“…The highest reported rate was by a study on American Africans and American Caucasians by Williams and Henry of 45.6%. 11 Two Turkish studies reported prevalence of 2.6% and 7.2% 1,11 with much larger sample sizes of 1170 and 881 patients respectively. This difference may also be attributed to genetic differences in study populations.…”

Section: Discussionmentioning

confidence: 99%

“…1 However, this falls within 2 studies cited by Nurefsan in his literature review which reported that the incidence of Natsis type I varied between 49.7 and 51.7% in African Americans. 11 The remaining 48.7% of the participants had non-classical variants. This is a higher incidence when compared to that found in most literature of 5.7-35.1% but still coincides with the above studies reported by Nizankowski C and Williams GD 7 and the other reports by McDonald and Anson that deviation from classical AA branching is more common in African populations.…”

Section: Discussionmentioning

confidence: 99%

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Prevalence of aortic arch anatomical branching variants in Kenyan population as shown on contrast enhanced chest multidetector computed tomography

Amakabane¹,

Mwango²

2018

East. Cent. Afr. J. Surg.

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Background: The objective of the study was to determine the prevalence of aortic arch(AA) anatomical branching variants present in Kenyan population as shown on a chest contrast-enhanced multidetector computed tomography (MDCT). Methods: The study design was a prospective cross-sectional study carried out in 6 months (between May and November 2016) at the Kenyatta National Hospital(KNH) department of Radiology. Participants were recruited amongst patients referred for a chest contrast enhanced MDCT. Acquired data was subjected to volume rendering technique (VRT) and multiplanar reconstruction (MPR) software to define the anatomy of the AA. The type of AA branching classification used was one derived by Natsis et al. Data analysis involved calculating frequency distributions of AA variations using Statistical Package for Social Sciences version 21 software. Results: One hundred and eighty-five subjects (86 males and 99 females) were recruited. Ninety-five participants had classical AA Natsis type I. Ninety participants had non-classical variant AA of which 83 participants had Natsis type II while 2 patients had Natsis type III. The remaining 3 had a variant AA not found in the Natsis study. Conclusions: Variations in the branching pattern of AA are very common in Kenya with the most common being Natsis type II. Keywords: aortic arch; anatomical variants; branching variation; chest multidetector computed tomography

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Section: Discussionmentioning

confidence: 68%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Prevalence of aortic arch anatomical branching variants in Kenyan population as shown on contrast enhanced chest multidetector computed tomography

Amakabane¹,

Mwango²

2018

East. Cent. Afr. J. Surg.

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“…9 In the study of Dumforth et al 9 conducted on patients with thoracic aortic disease, the association of bovine aortic arch + aberrant right subclavian artery was 0.2% whereas in our study there was no association between these two variations. In the study of Boyaci et al 10 aortic arcus and branching variants were examined, and aberrant right subclavian artery frequency was found 2.2%. In the study of Çelikyay et al 11 the bovine type aortic arcus frequency was 21.1%.…”

Section: Discussionmentioning

confidence: 98%

Azygos Lobe Detected by Thoracic Computed Tomography and Frequency of Concomitant Variations

Perinçek

Avcı²,

Celtikci

2019

J Enam Med Col

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Background: The azygos lobe is a rare variation of the right upper lobe of the lung, and prevalence of it in the general population varies widely between 0.1% and 8%. It can be diagnosed easily by thoracic computed tomography. Objective: In this study, by thoracic computed tomography, azygos lobe frequency and associated variations were evaluated. Materials and Methods: In this study, 5854 thoracic computed tomography with and without contrast applied for patients in the Kars Harakani State Hospital Chest Diseases Polyclinic between January 2014 and January 2018 were screened retrospectively. Results: A total of 5854 thoracic computed tomography showed that frequency of azygos lobe was 1.09%. Out of 64 patients with azygos lobe, 36 (56.25%) were male and 28 (43.75%) were female. Bovine artery was found in 8 (12.5%) cases, right-left carotid artery common origin in 3 (4.68%) and aberrant right subclavian artery in 1 (1.56%). Conclusion: The detected azygos lobe frequency is similar to literature and the most common accompanying variation is bovine artery. J Enam Med Col 2019; 9(3): 177-180

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“…This classical pattern was reported to occur in 74.0% to 89.4% of cases in radiological series. [6][7][8] Many variations in the branching pattern of the aortic arch may occur. Classifi cations take into consideration the aortic arch (interrupted, right sided, left sided, double aortic arch, or cervical aortic arch) and the order or pattern of branching of the great vessels.…”

Section: Discussionmentioning

confidence: 99%

A rare association of avian aortic arch with a mid-arch narrowing of the aorta

Keskes¹,

Bennour²,

Ahmed³

et al. 2022

Cor Vasa

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Anatomická rozmanitost aortálního oblouku a jeho větví umožňuje velkou řadu kombinací. Se zúžením středního segmentu aortálního oblouku se lze setkat vzácně, pouze v 2,5-3,5 % všech případů koarktace aorty. Aortální oblouk u ptáků má dvě větve se společným odstupem bilaterálních společných karotid a společným odstupem bilaterálních podklíčkových tepen. Zdá se, že u lidí se vždy jedná o výjimečnou anomálii, a i když je každá z nich samostatně popsána, obě současně se vyskytují velmi vzácně. Popis případu: Popisujeme případ 50letého pacienta, který se dostavil na naši kliniku se závratěmi a námahovou únavou horních končetin. V jeho anamnéze nebyla přítomna hypertenze ani diabetes mellitus a klinické vyšetření prokázalo nízký krevní tlak, žádný srdeční šelest, výraznou pulsaci karotid s šelestem nad oběma karotidami a hmotu v laterocervikální oblasti vlevo. Puls na radiálních tepnách a na femorálních tepnách nebylo možno vůbec nahmatat. Elektrokardiografi cké vyšetření prokázalo hypertrofi i levé síně a komory. Výsledek rentgenového vyšetření srdce a plic byl normální. Dvojrozměrná echokardiografi e prokázala mírnou dilataci levé síně, komorovou hypertrofi i s hypokinezí septa. Dopplerovský ultrazvuk supraaortálních kmenů prokázal bilaterální subklaviální steal syndrom a CT angiografi e aorty, supraaortálních kmenů a mozkových cév zobrazila aortální oblouk se dvěma větvemi s těžkým těsným zúžením mezi nimi; vnější karotické tepny byly zvětšené a v pravé karotické tepně bylo nalezeno retrofaryngeální aneurysma. Chirurgické řešení koarktace proběhlo úspěšně. Pooperační zotavování bylo bez problémů. Při klinickém vyšetření nebyla přítomna hypertenze, puls na femorálních tepnách a tepnách horních končetin byl přítomen a symetrický. Kontrolní rentgenové vyšetření po pěti letech prokázalo propustnou dakronovou protézu a regresi aneurysmatu. Závěr: Anomálie aortálního oblouku již přitáhly pozornost několika autorů, zvláště díky pokroku v oblasti endovaskulárních intervencí a složitých chirurgických výkonů. Povědomí o těchto anomáliích je nesmírně důležité před jakýmikoli intervenčními a chirurgickými výkony v oblasti hrudníku a krku.

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Multidetector computed tomography evaluation of aortic arch and branching variants

Cited by 7 publications

References 16 publications

Prevalence of aortic arch anatomical branching variants in Kenyan population as shown on contrast enhanced chest multidetector computed tomography

Prevalence of aortic arch anatomical branching variants in Kenyan population as shown on contrast enhanced chest multidetector computed tomography

Azygos Lobe Detected by Thoracic Computed Tomography and Frequency of Concomitant Variations

A rare association of avian aortic arch with a mid-arch narrowing of the aorta

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