When a patient goes under general anesthesia, their blood pressure can suddenly drop. This is called post-induction hypotension. It is a serious concern for medical teams because it can affect how well a patient recovers. To help manage this, researchers looked at 17 different prediction models involving over 40,000 patients.
The study found that these models have a good ability to predict who might experience a drop in blood pressure. Specifically, the models showed a high accuracy score of 0.81. The research also identified two main factors that increase the risk: the age of the patient and the amount of propofol, which is a common medication used to induce sleep before surgery.
While these tools show promise, there are important notes to keep in mind. Most of the models studied had a high risk of bias and lacked external validation. This means that while the math works well, the tools need more standardized testing across different hospitals before they can be used as a standard of care. Talk to your doctor about how these risks are managed during your specific procedure.