Why the study?
Does bedside measurement with a mass spectrometer and infrared CO2 analyzer provide useful cardiopulmonary function data in postoperative cardiac patients?
Does bedside measurement with a mass spectrometer and infrared CO2 analyzer provide useful cardiopulmonary function data in postoperative cardiac patients?
Bedside measurement of cardiopulmonary function using a mass spectrometer provides useful physiological data for managing postoperative cardiac patients.
In response to the increasing abilities to provide continuous and detailed information on the cardiopulmonary status during and after open heart surgery, we measured hemodynamic and pulmonary functions including cardiac index, end-tidal CO2, minute volume, dead space, ventilation/perfusion ratio, O2 consumption, and other derived variables with a mass spectrometer. This was found useful, for example, in evaluating the need for artificial ventilation in postoperative cardiac patients.
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Prakash et al. (1977) studied this question.
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