Why the study?
Does tourniquet deflation alter end tidal CO2 and arterial blood gas levels in healthy adults undergoing orthopedic surgery?
Does tourniquet deflation alter end tidal CO2 and arterial blood gas levels in healthy adults undergoing orthopedic surgery?
Tourniquet release causes acute, significant changes in EtCO2, PaCO2, and pH, which can be monitored via EtCO2 and may require hyperventilation to correct.
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Tourniquet deflation was associated with transient hypercapnia and acidosis; leaves open whether EtCO2-guided ventilation improves outcomes in orthopedic surgery.
PATEL et al. (1987) studied this question.
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