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2015 ; 15
(62
): 267-73
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Ultrasound assessment of the jugular and vertebral veins in healthy individuals:
selected physiological aspects and morphological parameters
#MMPMID26674467
Czy?ewska D
; Krysiuk K
; Dobrzycki K
; Ustymowicz A
J Ultrason
2015[Sep]; 15
(62
): 267-73
PMID26674467
show ga
AIM: Ultrasound assessment of morphological parameters of the internal jugular
veins and vertebral veins in healthy individuals as well as their dependence on
the patient's position. MATERIAL: The examinations were conducted in 185 healthy
individuals (101 females and 84 males) aged 18-89. Ultrasound examinations were
conducted with the use of a linear probe with the frequency of 5-9 MHz in the
supine (0°) and sitting position (90°). RESULTS: In 154 cases (83.2%) on the left
side and in 150 cases (81.1%) on the right side, the jugular veins were
completely closed in the sitting position. In 31 cases (16.8%) on the left side
and in 35 cases (18.9%) on the right side, they were merely narrowed. By contrast
with the jugular veins, the cross-sectional area (CSA) of the vertebral veins was
greater in the sitting position than in the supine position in a statistically
significant way. The CSA values of the jugular veins in the supine position
ranged from 0 cm(2) to 4.3 cm(2). There were no statistically significant
differences in the CSA between men and women. The cross-sectional area of the
right jugular vein in the supine position was greater in a statistically
significant way than that of the left jugular vein. In this study population, the
ratio of the cross-sectional areas of the jugular veins on both sides amounted to
8.5:1. CONCLUSIONS: The width of the jugular and vertebral veins significantly
varies depending on the patient's position. The range of the CSA values for the
jugular veins is broad, which should be taken into account when interpreting
imaging findings. The internal jugular veins can show considerable asymmetry.