Table 7 Cross-sectional areas (CSAs) and anteroposterior (AP) diameters of IJVs in supine normal subjects with head in neutral position and after rotation
Internal Jugular Veins (IJVs) | CSA (mm2) | Right CSA (mm2) | Right CSA (mm2) | CSA (mm2) | ||||
|---|---|---|---|---|---|---|---|---|
Segment | Right 0° | Left 0° | 20° contralateral rotation | 0° | Max. contralateral rotation | Right and left 0° | Right 0° | Left 0° |
J1 (Mean ± SD) | - | - | - | - | 17.8 ± 10.9 | 48 ± 30 | 50 ± 14 | |
J2 (Mean ± SD) | 84 ± 39 | 65 ± 31 | 9.0 ± 5.6 | 78 ± 46 | 111 ± 60 | 10.4 ± 8.4 | 37 ± 31 | 28 ± 19 |
J3 (Mean ± SD) | - | - | - | - | 14.8 ± 13.2 | 26 ± 14 | 21 ± 11 | |
N of IJVs | 45 | 45 | 52 | 24 | 66 | 10 | 10 | |
Body weight (kg) (Mean ± SD) | - | 75.3 ± 15.8 | - | - | ||||
(range) | - | - | 63-100.5 | - | ||||
Age (years) (Mean ± SD) | 36.9 ± 11.8 | 37 ± 11 | - | 27.5 ± 5.0 | - | |||
(range) | - | - | 30-86 | - | 23-42 | |||
Authors | Kantarci et al. [28] | Bellazzini et al. [50] | Suarez et al. [25] | Zamboni et al. [24] | Zamboni et al. [20] | |||
Internal Jugular Veins (IJVs) | AP diameter (mm) | |||||||
Segment | Right 0° | Right 60° | Left 0° | Left 60° | ||||
J2 (Mean ± SD) | 8.5 ± 2.7 | 9.1 ± 2.8 | 7.8 ± 2.7 | 8.2 ± 2.8 | ||||
N of IJVs | 100 | 100 | ||||||
Body weight (kg) (Mean) | 65.6 | |||||||
(range) | 32–108 | |||||||
Age (years) (Mean) | 55.7 | |||||||
(range) | 21–89 | |||||||
Authors | Lorchirachoonkul et al. [19] | |||||||