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Vertebrobasilar system computed tomographic angiography in central vertigo.

Abstract The incidence of vertigo in the population is 20% to 30% and one-fourth of the cases are related to central causes. The aim of this study was to evaluate computed tomography angiography (CTA) findings of the vertebrobasilar system in central vertigo without stroke.CTA and magnetic resonance images of patients with vertigo were retrospectively evaluated. One hundred twenty-nine patients suspected of having central vertigo according to history, physical examination, and otological and neurological tests without signs of infarction on diffusion-weighted magnetic resonance imaging were included in the study. The control group included 120 patients with similar vascular disease risk factors but without vertigo. Vertebral and basilar artery diameters, hypoplasias, exit-site variations of vertebral artery, vertebrobasilar tortuosity, and stenosis of ≥50% detected on CTA were recorded for all patients. Independent-samples t test was used in variables with normal distribution, and Mann-Whitney U test in non-normal distribution. The difference of categorical variable distribution according to groups was analyzed with χ and/or Fisher exact test.Vertebral artery hypoplasia and ≥50% stenosis were seen more often in the vertigo group (P = 0.000, <0.001). Overall 78 (60.5%) vertigo patients had ≥50% stenosis, 54 (69.2%) had stenosis at V1 segment, 9 (11.5%) at V2 segment, 2 (2.5%) at V3 segment, and 13 (16.6%) at V4 segment. Both vertigo and control groups had similar basilar artery hypoplasia and ≥50% stenosis rates (P = 0.800, >0.05).CTA may be helpful to clarify the association between abnormal CTA findings of vertebral arteries and central vertigo.This article reveals the opportunity to diagnose posterior circulation abnormalities causing central vertigo with a feasible method such as CTA.
PMID
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Authors

Mayor MeshTerms
Keywords
Journal Title medicine
Publication Year Start




PMID- 28328808
OWN - NLM
STAT- In-Process
DA  - 20170322
LR  - 20170322
IS  - 1536-5964 (Electronic)
IS  - 0025-7974 (Linking)
VI  - 96
IP  - 12
DP  - 2017 Mar
TI  - Vertebrobasilar system computed tomographic angiography in central vertigo.
PG  - e6297
LID - 10.1097/MD.0000000000006297 [doi]
AB  - The incidence of vertigo in the population is 20% to 30% and one-fourth of the
      cases are related to central causes. The aim of this study was to evaluate
      computed tomography angiography (CTA) findings of the vertebrobasilar system in
      central vertigo without stroke.CTA and magnetic resonance images of patients with
      vertigo were retrospectively evaluated. One hundred twenty-nine patients
      suspected of having central vertigo according to history, physical examination,
      and otological and neurological tests without signs of infarction on
      diffusion-weighted magnetic resonance imaging were included in the study. The
      control group included 120 patients with similar vascular disease risk factors
      but without vertigo. Vertebral and basilar artery diameters, hypoplasias,
      exit-site variations of vertebral artery, vertebrobasilar tortuosity, and
      stenosis of &gt;/=50% detected on CTA were recorded for all patients.
      Independent-samples t test was used in variables with normal distribution, and
      Mann-Whitney U test in non-normal distribution. The difference of categorical
      variable distribution according to groups was analyzed with chi and/or Fisher
      exact test.Vertebral artery hypoplasia and &gt;/=50% stenosis were seen more often
      in the vertigo group (P = 0.000, &lt;0.001). Overall 78 (60.5%) vertigo patients had
      &gt;/=50% stenosis, 54 (69.2%) had stenosis at V1 segment, 9 (11.5%) at V2 segment, 
      2 (2.5%) at V3 segment, and 13 (16.6%) at V4 segment. Both vertigo and control
      groups had similar basilar artery hypoplasia and &gt;/=50% stenosis rates (P =
      0.800, &gt;0.05).CTA may be helpful to clarify the association between abnormal CTA 
      findings of vertebral arteries and central vertigo.This article reveals the
      opportunity to diagnose posterior circulation abnormalities causing central
      vertigo with a feasible method such as CTA.
FAU - Pasaoglu, Lale
AU  - Pasaoglu L
AD  - Ankara Numune Training and Research Hospital, Altindag, Ankara, Turkey.
LA  - eng
PT  - Journal Article
PL  - United States
TA  - Medicine (Baltimore)
JT  - Medicine
JID - 2985248R
EDAT- 2017/03/23 06:00
MHDA- 2017/03/23 06:00
CRDT- 2017/03/23 06:00
AID - 10.1097/MD.0000000000006297 [doi]
AID - 00005792-201703240-00011 [pii]
PST - ppublish
SO  - Medicine (Baltimore). 2017 Mar;96(12):e6297. doi: 10.1097/MD.0000000000006297.

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