Definition

Moderate sedation is used during surgery. It will put you in a comfortable, sleepy, and pain-free state. Moderate sedation is different from general anesthesia. Breathing support will not be needed. It will also be easy to wake you, so you can answer questions or move during surgery.

Reasons for Procedure

Moderate sedation can be used for a range of procedures. It may be used instead of general anesthesia if overall health is poor. Other benefits may include:

  • Faster recovery time
  • Fewer problems from anesthesia

A ventilator will also not be needed for moderate sedation.

Possible Complications

Problems from the procedure are rare, but all procedures have some risk. Your doctor will review possible problems, like:

  • Nausea and vomiting
  • Headache
  • Temporary memory problems—you may not remember the surgery
  • Breathing problems during the surgery

Factors that may increase the risk of problems include:

  • Smoking
  • Advanced age
  • Obesity
  • Poor overall health, such as heart disease

What to Expect

Prior to Procedure

You will meet with a specialist before the surgery. They will ask about:

  • Past health
  • Any reactions to anesthetics
  • Medicine, herbs, or supplements you are taking

Food and drink may need to be stopped 8 to 12 hours before the surgery.

Description of Procedure

An IV will be placed in the arm. The sedation drugs and other medicine will be given through the IV.

Medications Delivered Through an IV
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The care team will monitor vital signs and comfort. Medicine may need to be adjusted through surgery. The goal will be to make sure you are comfortable and pain-free. The medicine may need to be increased so that you are fully asleep. Breathing support with a ventilator will then be needed.

Immediately After Procedure

The hospital staff will monitor vital signs.

How Much Will It Hurt?

The medicine will block pain during the procedure.

Average Hospital Stay

The length of your stay will depend on the reason you had surgery.

Post-procedure Care

The medicine will affect how you think or move even after you wake. Skilled things like driving should be avoided for the day.

Call Your Doctor

It is important to monitor your recovery. Alert your doctor to any problems. If any of the following occur, call your doctor:

  • Signs of infection, such as fever and chills
  • Nausea and vomiting
  • Pain that cannot be controlled with the medications you were given
  • Cough, shortness of breath, or chest pain
  • Lightheadedness

If you think you have an emergency, call for emergency medical services right away.

Revision Information

  • Reviewer: EBSCO Medical Review Board Marcin Chwistek, MD
  • Review Date: 09/2019 -
  • Update Date: 02/13/2020 -