Why the study?
Does a new double-end mainstream carbon dioxide capnograph improve the accuracy of capnography in patients during anesthesia and mechanical ventilation?
Does a new double-end mainstream carbon dioxide capnograph improve the accuracy of capnography in patients during anesthesia and mechanical ventilation?
A newly designed double-end mainstream carbon dioxide capnograph with wavelet packet denoising and temperature drift compensation improves the accuracy of capnography during anesthesia and mechanical ventilation.
Supports new capnograph designs in anesthesia; hypothesis-generating and should not yet change practice.
Most of the current respiratory devices for monitoring CO(2) concentration use the side-stream structure. In this work, we engage to design a new double-end mainstream device for monitoring CO(2) concentration of gas breathed out of the human body. The device can accurately monitor the cardiopulmonary status during anesthesia and mechanical ventilation in real time. Meanwhile, to decrease the negative influence of device noise and the low sample precision caused by temperature drift, wavelet packet denoising and temperature drift compensation are used. The new capnograph is proven by clinical trials to be helpful in improving the accuracy of capnography.
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Yang et al. (2010) studied this question.
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