2010
DOI: 10.1016/j.ultrasmedbio.2009.08.012
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Vertebral Artery Hypoplasia is Associated With A Decrease in Net Vertebral Flow Volume

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Cited by 54 publications
(62 citation statements)
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“…Thus, it is supposed to undergo higher shear stress during development, potentially leading to a blood supply that is dominated by the left VA. 16 Until now, the hemodynamic consequences of VAH have been mostly studied using duplex ultrasonography. Using varying definitions of VAH (diameter of ≤ 2.5 mm 5 , ≤2.2 mm 9 , and ≤2 mm 7 ), the net flow volume in the ipsilateral VA in healthy subjects is substantially reduced when compared with individuals with a normally sized VA. The ipsilateral flow resistance was significantly increased in patients with VAH.…”
Section: May 2014mentioning
confidence: 99%
See 1 more Smart Citation
“…Thus, it is supposed to undergo higher shear stress during development, potentially leading to a blood supply that is dominated by the left VA. 16 Until now, the hemodynamic consequences of VAH have been mostly studied using duplex ultrasonography. Using varying definitions of VAH (diameter of ≤ 2.5 mm 5 , ≤2.2 mm 9 , and ≤2 mm 7 ), the net flow volume in the ipsilateral VA in healthy subjects is substantially reduced when compared with individuals with a normally sized VA. The ipsilateral flow resistance was significantly increased in patients with VAH.…”
Section: May 2014mentioning
confidence: 99%
“…[1][2][3] It is only in the past years that VAH has been paid increasing attention mainly because of accumulating evidence, suggesting that it constitutes a risk factor for vertebrobasilar stroke, especially infarcts of the posterior inferior cerebellar artery (PICA) and lateral medullary infarcts. [4][5][6][7][8] Functional studies using Doppler flowmetry have shown that VAH may lead to a decrease of the ipsilateral net vertebral flow volume in healthy subjects, 9 and it has been speculated that this might lead to a regional tissue hypoperfusion potentially constituting a hidden disease. 10 However, to date, it remains elusive whether VAH indeed leads to a relevant regional impairment in tissue perfusion.…”
mentioning
confidence: 99%
“…Žemaūgių, žemesnių negu 160 cm, kraujagyslės buvo siauresnės. Kaip ir daugelis kitų autorių [2,10,11,12], nustatėme, kad SA hipoplazija dažnesnė dešinėje pusėje, be to, ji dažnesnė moterims negu vyrams.…”
Section: Aptarimasunclassified
“…Tačiau bendras pratekančio kraujo tūris reikšmingai sumažėja tik esant nedominantinės SA spindžiui <2,5 mm. Tai atitinka literatūros duomenis, kuriuose nurodoma, kad SA spindį <2,5 mm galima laikyti reikšmingu ir sumažinančiu pratekančio kraujo tūrį [10]. Tai, kad bendras pratekančio kraujo tūris sumažėja ne visiems, kuriems SA spindis yra <2,5 mm, o tik kiek daugiau negu pusei žmonių, galima paaiškinti tuo, kad palyginus su žmonėmis, kurie neturi SA hipoplazijos, daliai kompensatoriškai padidėja pratekančio kraujo tūris per priešingos pusės SA [10].…”
Section: Aptarimasunclassified
“…The arterial supply to the brain is normally provided through the internal carotid and vertebral arteries [1]. The carotid and vertebrobasilar systems are normally interconnected through the posterior communicating arteries and unusually through the persistent fetal circulation [2].…”
Section: Introductionmentioning
confidence: 99%