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The most common sedation method used for colonoscopies is monitored anesthesia care (MAC), which uses the drug propofol. We went to anesthesiologist Katherine Hagan, M.D., to learn more about sedation and how it works.
At Yale Medicine, anesthesiologists caring for patients who want deep sedation for their colonoscopy typically use a drug called propofol. “It is a short-acting anesthetic that has the advantage of wearing off relatively quickly,” Dr. Rock explains.
Propofol-mediated sedation is safe and clearly associated with increased patient satisfaction. However, whether it results in a favorable effect on colonoscopy outcomes and performance compared to standard sedation with benzodiazepines/opiates remains unclear.
However, unlike Michael Jackson, the propofol for colonoscopy is given by a trained professional under constant supervision and monitoring. The depth of sedation with MAC is sometime moderate sedation, but is usually deep sedation.
When dealing with Propofol, the main sedative for colonoscopy anesthesia, the Food and Drug Administration has made it a requirement that a nurse anesthetist or anesthesiologist must be present during drug administration. This is because Propofol can lead to apnea and other side effects.
During the past 14 years, midazolam, fentanyl and propofol have become the most commonly used sedatives for colonoscopy. Except for benzodiapenzines, which were dosed higher in women than men, equal doses of sedation were given to female and male patients.
When you go in for a colonoscopy, you usually receive some type of anesthesia to help you manage the discomfort. These days, more people are receiving deep sedation with propofol for the colonoscopy, which lets them fall asleep rapidly—and quickly wake up.
Deep sedation with propofol allows most patients to sleep through the procedure, and it is administered by an anesthesiologist or a nurse anesthetist.
Several of different sedatives and analgesics can be used to achieve appropriate levels of sedation at colonoscopy, ranging from conscious sedation with benzodiazepines and opioids to deep sedation with propofol and general anesthesia.
Propofol is an intravenous anesthetic used for procedural sedation, during monitored anesthesia care, or as an induction agent for general anesthesia. It may be administered as a bolus or an infusion, or some combination of the two. Propofol is prepared in a lipid emulsion which gives it the characteristic milky white appearance. Strict aseptic technique must be used when drawing up propofol ...