Role of Venous Blood Gase (VBG) Analysis in Patient Triage in the Adult Emergency Department
Keywords:Emergency Department, Point-Of-Care Test, Triage, Venous Blood Sampling
In emergency and critical care settings, can a venous blood gas analysis improve clinical decision-making and patient outcomes?
This is a cross-sectional study, conducted between January and June 2022 at a tertiary hospital in Saudi Arabia.
A total of 100 patients were included, using a convenience sample technique. Their mean age was 54 years, and theirmain chief complaints were shortness of breath (30%), abdominal pain (15%), and altered level of consciousness (14%). The venous blood gas (VBG) result was abnormal in 86 patients, and predicted the need for early intervention in 69 patients (69.7%). A significant association was found between patients requiring early intervention and those with an abnormal VBG (p=0.0005). Furthermore, the VBG results changed the Canadian Triage and Acuity Scale (CTAS) level in 32 patients (33.68%). A logistic regression analysis revealed that pre-testing factors such as age, gender, comorbidities, and chief complaints were not predictors of VBG results, the need for early intervention, or altered CTAS level.
Our study concludes that VBG analysis can play an important role in patient triage in the emergency department (ED), allowing for earlier intervention and potentially improving outcomes.
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