Table 2 Measurements on cardiac CT, on chest radiography, or by surgeon’s inspection
Measurements | Values (cm) |
|---|---|
Distance from the skin puncture point to the upper border of the clavicular sternal head | 6.0 ± 0.9 |
Distance from the upper border of the clavicular sternal head to the SVC-RA junction on cardiac CT | 11.1 ± 1.4 |
Distance from the upper border of the clavicular sternal head to the SVC-RA junction by surgeon’s inspection (the corrected distance) | 11.4 ± 1.4 |
Distance from the upper border of the clavicular sternal head to carina on CXR-PA | 7.1 ± 1.0 |
Distance from the upper border of the clavicular sternal head to carina on CXR-AP | 7.0 ± 1.1 |
Difference between the corrected distance and (a) | 4.3 ± 0.9 |
Difference between the corrected distance and (b) | 4.4 ± 0.9 |