Background: Several techniques have been discussed as alternatives to the intermittent bolus thermodilution cardiac output (CO PAC ) measurement by the pulmonary artery catheter (PAC). However, these techniques usually require a central venous line, an additional catheter, or a special calibration procedure. A new arterial pressure-based cardiac output (CO AP ) device (FloTrac™, Vigileo™; Edwards Lifesciences, Irvine, CA, USA) only requires access to the radial or femoral artery using a standard arterial catheter and does not need an external calibration. We validated this technique in critically ill patients in the intensive care unit (ICU) using CO PAC as the method of reference.
Our data emphasise that surgical reconstruction is effective in terms of blood supply and growth. In cases with interposition of greater saphenous vein or venous patch plasty, we found a high risk for development of enlargements. We suggest that these patients be followed periodically, with ultrasound studies, to detect aneurysms and/or thrombotic changes as early as possible.
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