Beta Blockers: A Double-Edged Sword Before Surgery?
Beta Blockers: A Double-Edged Sword Before Surgery?
The Big Picture
Beta blockers can be both helpful and risky when taken before surgery. Let's dive into how they work and what to consider if you're facing surgery.
Contents
How Beta Blockers Work
Beta blockers are medications that help slow down the heart rate, making it easier for the heart to pump blood. They're often used to treat high blood pressure and heart conditions. During surgery, they can help manage stress on the heart, but starting them too close to surgery might cause issues like low blood pressure.
When to Use Beta Blockers
Doctors typically continue beta blockers if patients are already on them for conditions like heart failure. However, starting them right before surgery is usually avoided due to risks of stroke and death. Timing is crucial, and it's best to have these medications well-established before any major surgery.
The POISE Study Insights
The POISE study highlighted the dangers of starting beta blockers just before surgery, noting increased risks of stroke. It suggested that while these drugs can prevent heart attacks, they may also lead to severe hypotension. The study emphasizes the importance of cautious dosing and monitoring.
FAQs
What do beta blockers do?
They slow down the heart to ease blood pumping.
Are beta blockers safe before surgery?
They're risky if started too close to surgery.
What did the POISE study reveal?
It showed increased stroke risks with beta blockers before surgery.
The Bottom Line
Beta blockers require careful timing and management before surgery.
Additional References
- POISE Study Group, Devereaux PJ, Yang H, et al. Effects of extended-release metoprolol succinate in patients undergoing non-cardiac surgery (POISE trial).
- Bouri S, Shun-Shin MJ, Cole GD, et al. Meta-analysis of secure randomised controlled trials of β-blockade to prevent perioperative death in non-cardiac surgery.
This article has been reviewed for accuracy by one of the licensed medical doctors working for Doctronic.