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Table 1 (abstract P194). Minimal guidewire length = 105 mm (95th percentile of the vessel length) + 30 mm (to ensure that the guidewire J-tip passes the junction of the right and left brachiocephalic veins and the azygos arch into the lower part of the superior vena cava) + steel cannula length (the maximum length that can be inserted into the patient) + CVC full length + 10 mm (the part of the guidewire that must extend from the CVC before CVC-insertion)

From: 40th International Symposium on Intensive Care & Emergency Medicine

Manufacturer Model Actual guide-wire length (mm)b Calculated minimal guidewire length (mm)c Discrepancy (mm)
Arrow, 2-lumen Blue FlexTip 16 cm 590 506 84
Bactiguard, 3-lumen BIP CVC 16 cm 440 513 -73
B Braun, 3-lumen Certofix 15 cm 495 528 -33
Meritmedical, 3-lumen Careflow 15 cm 445 535 -90