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Out of the 250 patients examined in the study, 25 were regular cannabis users. When the researchers compared the records of the 25 to those from non-users they found increased levels of all three sedatives had been needed to achieve the right level of anesthesia. Compared to non-users, regular marijuana users required:
- 14 percent more fentanyl
- 19.6 percent more midazolam
- 220.5 percent more propofol
The fear, Twardowski said, is that increasing those medications might end up “pushing high the danger of shutting off a patient’s respiration — while still not achieving pain control.”
The new findings weren’t a surprise to Dr. Ajay Wasan, a professor of anesthesia and psychiatry at the University of Pittsburgh School of Medicine and vice chair for pain medicine in the department of anesthesia at the University of Pittsburgh Medical Center.
“Any kind of brain-altering substance can have an effect on another brain-altering drug,” Wasan said.
While the new study includes just 25 cannabis users, “it’s completely consistent with other small similar previous studies,” Wasan said after reading the research. “All together they suggest long-term marijuana use has an impact on anesthesia care.”
Regular marijuana users may need heavier sedation for medical procedures
Researchers reviewed the medical records of 250 Colorado patients who got colonoscopies and other endoscopic procedures.
www.nbcnews.com
Yikes.