Postoperative monitoring in critical care patients has become a widening field over the past few decades. Improvements in outcome can be related to advances in this field as well as in intraoperative management and preoperative assessment.

Transcutaneous monitoring of carbon dioxide plays an important role during short-term and long-term treatments for ventilatory failure. Progress during short-term treatments can be judged through tcpCO₂ recordings - especially to avoid crash reintubation of patients who have been weaned off invasive ventilation....