Table 4 BCT position literature review
From: Anatomical and positional variants of the brachiocephalic trunk in a Mexican population
Study | Method | Sample | Measurement reference | BCT positions | Maximum height | Minimum height |
|---|---|---|---|---|---|---|
Comert et al. [15] Turkey | Cadaveric | 1 | Tracheal rings | Above 4th and 5th tracheal rings | – | – |
Ozlugedik et al. [31] Turkey | MR angiography | 1 | Trachea | High, horizontal and anterior to the trachea | – | – |
Gil-Carcedo et al. [1] Spain | Eco-doppler, CT angiography, MR angiography, surgical approach | 2 | Vertebral level | Cervical localization | – | – |
Cai et al. [17] China | CT + surgical approach | 829 | Suprasternal notch | 26.4% High laying BCTs Mean distance to BCT: 2.0 ± 0.4 cm | 2.7 cm | 0.8 cm |
Weightman et al. [25] Australia | CT | 500 | Suprasternal notch | 38.2% Bifurcated above suprasternal notch | – | – |
Jasso-Ramirez (2021), Current study, Mexico | CT angiography | 270 | Suprasternal notch | Mean distance to BCT: 1.80 ± 2.05 cm 64.81% Bifurcated above suprasternal notch | 4.5 cm | − 3.5 cm |