Evaluation of the Use of Capnography during the Transport of Critically Ill Mechanically Ventilated Patients.
Final rept. 1 May 91-30 Sep 92,
WALTER REED ARMY MEDICAL CENTER WASHINGTON DC
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Critically ill, mechanically ventilated, patients were monitored with manometry, spirometry, and capnography during intrahospital transport out of the ICU. Patients functioned as their own control, and medical personnel were blinded to capnography for 50 of the transport time. During the blinded time, all patients developed a respiratory acidosis. Use of the non-invasive monitor, the capnograph prevented this adverse effect and resulted in improved patient safety. The study also revealed that the percentage of dead space did not increase during transport, and that rebreathing of exhaled carbon dioxide was a frequent event with the use of the Jackson-Rees breathing circuit.
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